Battery assembly for head mounted display

Abstract

The invention relates to a battery assembly for a head mounted display. A head-mountable device may include an optical module for presenting visual information to a user, a structure movably attached to the optical module, the structure defining a path of motion of the optical module. The structure may include a housing defining an interior volume and a battery disposed within the interior volume.

Description

Technical Field

[0001] The described embodiments generally relate to battery assemblies for head mounted displays. More specifically, the present embodiments relate to rails for integrated batteries for optical modules of head mountable devices. Background Art

[0002] A major challenge in developing head mounted displays (HMDs), especially HMDs with a small form factor, is achieving suitable battery life while still maintaining functionality and an acceptable shape and size. Novel solutions are needed to perform the necessary computing functions while still making the HMD stylish and bright enough that the user can wear the device for long periods of time.

[0003] Considering the power requirements of HMDs and current battery technology, a user may need to remove and charge the device several times a day, or keep the device connected to a power source. Additionally, an internal battery with lower power capacity may be utilized to maintain power for basic operations of the system (such as memory retention). Therefore, there is a need to enhance options for power sources in HMDs. Summary of the invention

[0004] According to some aspects of the present disclosure, a head-mountable device may include an optical module for presenting visual information to a user, a structure movably attached to the optical module, the structure defining a movement path of the optical module. The structure may include a housing defining an internal volume and a battery disposed within the internal volume.

[0005] In some examples, the structure can be a first rail, the battery can be a first battery, the optical module can be a first optical module, and the head mountable device can further include a second optical module movably attached to a second rail, the second rail accommodating a second battery. The structure can include an upper structure and a lower structure, the optical module movably attached to the upper structure member, and the lower structure member accommodating the second battery.

[0006] In some examples, the structure may include a rail that defines a path of motion for the optical module. The structure may be cylindrical. The structure may include an electrical connector that establishes electrical communication between the battery and the head-mountable device. The housing may define an air gap between an inner surface of the housing and the battery.

[0007] In some examples, the structure can be attached to a mounting housing of a head-mountable device, with the electrical pathway positioned through the mounting housing. The head-mountable device can include a cable extending from a battery through an open end of the structure. The battery can include an anode material and a cathode material. Each of the anode material and the cathode material can directly contact the housing of the structure.

[0008] According to some aspects, a rail for a head mounted display may include a housing defining an outer surface and an inner volume, and a power source positioned in the inner volume. The outer surface of the rail may be coupled to a movable lens structure.

[0009] In some examples, the power source is removable from the housing. The power source may be secured in the housing via an adhesive. The rail may include a slide secured to the battery and removably attached to the housing. The slide may include a protrusion to releasably couple with a recessed portion of the housing. The housing may include a carbon fiber filled composite material. The housing may define a vent that forms an airflow path between the interior volume and the surrounding environment.

[0010] According to some aspects, a head-mountable device may include: a battery including a battery housing; and an optical module including an actuator that rotatably engages the battery housing to translate the optical module. In some examples, the battery may include cylindrical battery cells. The battery housing may include a refractory material. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present disclosure will be readily understood through the following detailed description in conjunction with the accompanying drawings, in which like reference numerals represent like structural elements, and in which:

[0012] Figure 1 A top view of a head mountable device is shown.

[0013] Figure 2 A schematic block diagram is shown.

[0014] Figure 3 A top view of a head mountable device is shown.

[0015] Figure 4 A rear view of the head mountable device is shown.

[0016] Figure 5 A cross-sectional side view showing a head mountable device

[0017] Fig. 6A A perspective view of a guide rail is shown.

[0018] Figure 6B A cross-sectional perspective view of the guide rail is shown.

[0019] Figure 7 A cross-sectional view of a rail with an integrated battery is shown.

[0020] Figure 8 A cross-sectional view of a rail with an integrated battery is shown.

[0021] Fig. 9 A cross-sectional view of a rail with an integrated battery is shown.

[0022] Fig.10 A cross-sectional view of a rail with an integrated battery is shown.

[0023] Fig.11 A cross-sectional view of a rail with an integrated battery is shown.

[0024] Fig.12 A cross-sectional view of a rail with an integrated battery is shown.

[0025] Fig.13 A cross-sectional perspective view of a battery is shown. DETAILED DESCRIPTION

[0026] Reference will now be made in detail to the representative embodiments illustrated in the accompanying drawings. It should be understood that the following description is not intended to limit the embodiments to a preferred embodiment. On the contrary, it is intended to cover substitutions, modifications and equivalents that may be included in the essence and scope of the described embodiments defined by the appended claims.

[0027] Given the power requirements of an HMD, a user may be faced with the decision of whether to remove and charge the device several times a day, or to keep the device connected to a power source. Therefore, there is a need to enhance the available options for power sources in an HMD. The present disclosure provides a solution that enables a battery to be integrated into a structural component or structure (such as a rail for an optical module) without increasing the overall size or shape of the HMD.

[0028] The HMD may utilize an onboard battery to handle peak loads or provide greater portability. In addition, the HMD needs to be lightweight and have high space utilization to enhance the user experience. The HMD is formed with multiple structural components, including guide rods (also referred to herein as guide rails or structural components) to allow the optical module to translate and adjust to accommodate the user's interpupillary distance (IPD). In some examples, the guide rods may be hollow to reduce weight.

[0029] The present disclosure describes the use of guide rods as thermal and mechanical enclosures for cylindrical battery cell batteries. In some examples, the battery integrated into the guide rods can be a soft pack battery, a prismatic battery, or any other suitable lithium battery. The battery housing becomes a linear mechanism surface that can be adjusted to have a low coefficient of friction so that it continues to function as a guide rail. Similarly, the properties of the composite material selected for the guide rail housing can provide heat resistance and mechanical strength. In addition, the complexity of traditional mechanical housings for batteries is eliminated, thereby reducing cost and weight, and achieving a more efficient packaging solution in the system.

[0030] While some HMDs may also include a larger main battery integrated into the HMD housing or a separate external battery connected to the HMD, including the battery in the rail may be advantageous for any number of low power functionality or peak power loads. For example, the battery integrated into the rail may be used when the HMD is unplugged from the main power source, may be used during the restart process, may be used for memory retention, and / or may be used in a low power mode.

[0031] The rails may include interconnects extending from the battery and connected to the main logic board (MLB). In some examples, the HMD may include at least one rail, and in some examples may include four rails (two upper rails and two lower rails). Each rail may be integrated with a battery positioned within a hollow volume of the rail housing. In some examples, the rail may be a structural component having an optical module movably attached thereto.

[0032] Reference below Figures 1 to 13 To discuss these embodiments and other embodiments. However, those skilled in the art will readily appreciate that the detailed description of these figures given herein is for illustrative purposes only and should not be construed as being restrictive. In addition, as used herein, a system, method, product, component, feature, or sub-feature comprising at least one of a first option, a second option, or a third option should be understood to refer to a system, method, product, component, feature, or sub-feature comprising one of each listed option (e.g., only one first option, only one second option, only one third option), a single listed option of multiple (e.g., two or more first options), two options at the same time (e.g., one first option and one second option), or a combination thereof (e.g., two first options and one second option).

[0033] Figure 1 A top view of an exemplary electronic device 110 is shown in FIG. Figure 1 The electronic device 110 may include an HMD, which may include smart glasses or alternative reality or virtual reality goggles. Figure 1 As shown, device 110 may include housing 112. Housing 112 may include a housing wall, an outer housing, a housing structure, a shell, or a casing, which may be formed of materials such as polymers, glass, metals, crystalline materials such as sapphire, ceramics, fabrics, foams, wood, other materials, and / or combinations of these materials.

[0034] The electronic device 110 can be of any suitable shape. The housing 112 can form a head-mounted housing and / or other head-mounted structure in the shape of a pair of goggles (e.g., goggles with an optional headband such as the band 112T, a nose bridge portion NB in ​​the nose bridge area, etc., which is configured to fit over the user's nose and help support the housing 112 on the user's nose). The housing 112 can define an interior area 126 and an exterior area 128. The housing 112 can include portions, such as a front portion (front wall) 112F located on the front side F of the device 110, a rear portion (rear wall) 112R located on the opposite rear side R of the device 110, and a side wall portion 112W extending between the front portion 112F and the rear portion 112R located on the side W, so that the housing 112 encloses the interior area 126.

[0035] Electrical and optical components may be mounted within the housing 112 (e.g., within the interior region 126). As an example, the housing 112 may include optical components such as a display 114 and a lens 138 disposed within the interior region 126. The display 114 and the lens 138 may be mounted in an optical module 130 (sometimes referred to as a lens barrel, a display and lens support structure, etc.). An image, visual information, or any visual data from the display 114 may be viewed (i.e., visible to a user) from an eye box 136 through the lens 138. The left display and left lens in the left optical module 130 may be used to present a left-eye image to the user's left eye in the left eye box 136, and the right display and right lens in the right optical module 130 may be used to present a right-eye image to the user's right eye in the right eye box 136. A manual adjustment mechanism and / or an electrically adjustable actuator 113 (e.g., a motor or other electrically adjustable positioner) may be used to move the optical module 130 horizontally in front of the user's face (e.g., along a direction parallel to the user's face). Figure 1 The distance D between the modules 130 can be adjusted in a direction that is parallel to the X-axis or nearly parallel to the X-axis. The optical module 130 may include an actuator that rotatably engages the rail or battery housing to move the optical module along a path defined by the rail / battery. The optical modules 130 can be moved closer to each other or farther away from each other, for example, as needed to accommodate different user interpupillary distances (IPDs).

[0036] Figure 1 Any of the features, components, and / or parts shown (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to other figures (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Figure 1 Examples of devices, features, components, and parts are shown.

[0037] Figure 2 A schematic diagram of an illustrative electronic device is shown. Figure 2 Device 210 may operate as a standalone device and / or resources of device 210 may be used to communicate with external electronic equipment. As an example, communication circuitry in device 210 may be used to transmit user input information, sensor information, and / or other information to an external electronic device (e.g., wirelessly or via a wired connection) and / or may be used to receive such information from an external electronic device. Each of these external devices may include Figure 2 Components of the type shown in device 210.

[0038] like Figure 2 As shown, the electronic device 210 may include a control circuit 220. The control circuit 220 may include storage and processing circuits for supporting the operation of the device 210. The storage and processing circuits may include storage devices, such as non-volatile memory (e.g., flash memory or other electrically programmable read-only memory configured to form a solid-state drive), volatile memory (e.g., static or dynamic random access memory), etc. The processing circuit in the control circuit 220 can be used to collect inputs from sensors (e.g., cameras) and other input devices, and can be used to control output devices. The processing circuit may be based on one or more microprocessors, microcontrollers, digital signal processors, baseband processors and other wireless communication circuits, power management units, audio chips, application-specific integrated circuits, etc. During operation, the control circuit 220 may use the display 214 and other output devices to provide visual output and other outputs to the user.

[0039] To support communication between device 210 and external equipment, control circuit 220 may use communication circuit 222 for communication. Communication circuit 222 may include an antenna, a radio frequency transceiver circuit, and other wireless communication circuits and / or wired communication circuits. Circuit 222 (which may sometimes be referred to as control circuit and / or control and communication circuit) may support two-way wireless communication between device 210 and external equipment (e.g., a companion device such as a computer, a cellular phone, or other electronic device, an accessory such as a pointing device, a computer stylus or other input device, a speaker or other output device, etc.) via a wireless link. For example, circuit 222 may include a radio frequency transceiver circuit, such as a wireless local area network transceiver circuit configured to support communication via a wireless local area network link, a near field communication transceiver circuit configured to support communication via a near field communication link, a cellular phone transceiver circuit configured to support communication via a cellular phone link, or a transceiver circuit configured to support communication via any other suitable wired or wireless communication link. For example, communication may be performed via a wireless local area network link. link, The device 210 may include a wireless link, a wireless link operating at a frequency between 10 GHz and 400 GHz, a 60 GHz link or other millimeter wave link, a cellular telephone link, or other wireless communication link to support wireless communication. The device 210 may include power circuits for transmitting and / or receiving wired and / or wireless power, and may include a battery or other energy storage device. For example, the device 210 may include a coil and a rectifier to receive wireless power provided to circuits in the device 210.

[0040] Device 210 may include input-output devices 224. Electronic components such as input-output devices 224 may be used to gather user input, to gather information about the user's surroundings, and / or to provide output to the user.

[0041] Input-output devices 224 may include one or more displays, such as display 214. Display 214 may include one or more display devices, such as an organic light emitting diode display panel (a panel having organic light emitting diode pixels formed on a polymer substrate or silicon substrate containing pixel control circuitry), a liquid crystal display panel, a micro-electromechanical system display (e.g., a two-dimensional mirror array or scanning mirror display device), a display panel having an array of pixels formed from crystalline semiconductor light emitting diode dies (sometimes referred to as micro-LEDs), and / or other display devices.

[0042] Input-output device 224 may include camera 234. Camera 234 may include a visible light camera, an infrared camera, and / or a camera sensitive to multiple wavelengths, may include a three-dimensional camera system such as a depth sensor (e.g., a structured light sensor and / or a depth sensor based on a stereo imaging device that captures a three-dimensional image), may include a time-of-flight camera, and / or may include other cameras. Camera 234 may face the user of device 210 and / or face away from the user of device 210.

[0043] The sensors 216 in the input-output devices 224 may include force sensors (e.g., strain gauges, capacitive force sensors, resistive force sensors, etc.), audio sensors (such as microphones), touch and / or proximity sensors (including capacitive sensors, such as touch sensors forming buttons, trackpads, or other input devices), and other sensors. If desired, the sensors 216 may include optical sensors (such as optical sensors that emit and detect light), ultrasonic sensors, optical touch sensors, optical proximity sensors and / or other touch sensors and / or proximity sensors, monochrome and color ambient light sensors, fingerprint sensors, iris scan sensors, retina scan sensors and other biometric sensors, temperature sensors, sensors for measuring three-dimensional contactless gestures ("air gestures"), pressure sensors, sensors for detecting position, orientation and / or motion (for example, accelerometers, magnetic sensors such as compass sensors, gyroscopes and / or inertial measurement units that include some or all of these sensors), health sensors such as blood oxygen sensors, heart rate sensors, blood flow sensors and / or other health sensors, radio frequency sensors, optical sensors such as self-mixing sensors and light detection and ranging (lidar) sensors, humidity sensors, water content sensors, gaze tracking sensors, electromyography sensors for sensing muscle activation, facial sensors, interferometric sensors, time of flight sensors, magnetic sensors, resistive sensors, distance sensors, angle sensors and / or other sensors. In some arrangements, the device 210 may collect user input using sensors 216 and / or other input-output devices 224. For example, an input-output device 224 such as a button may be used to collect button press input, a touch sensor overlying a display may be used to collect user touch screen input, a touch pad may be used to collect touch input, a microphone may be used to collect audio input (e.g., voice commands), an accelerometer may be used to monitor when a finger contacts an input surface and may therefore be used to collect finger press input, etc.

[0044] Input-output devices 224 may include optical components such as depth sensors (e.g., structured light sensors or other sensors that collect three-dimensional image data), optical proximity sensors, ambient light sensors (e.g., color ambient light sensors), optical time-of-flight sensors, and other sensors 216 that are sensitive to visible light and / or infrared light and can emit visible light and / or infrared light (e.g., devices 224 may include optical sensors that emit and / or detect light). For example, a visible light image sensor in a camera may have a visible light flash or an associated infrared flood illuminator to provide illumination while the image sensor captures two-dimensional and / or three-dimensional images. An infrared camera such as an infrared structured light camera that captures three-dimensional infrared images may have an infrared flood illuminator that emits infrared flood illumination and / or may have a dot projector that emits an array of infrared beams. An infrared proximity sensor may emit infrared light and detect the infrared light after it has been reflected from a target object.

[0045] If desired, the electronic device 210 may include additional components (see, for example, other devices 218 in input-output devices 224). Additional components may include tactile output devices, actuators for moving movable structures in the device 210, audio output devices such as speakers, light emitting diodes for status indicators, light sources such as light emitting diodes that illuminate portions of the housing and / or display structure, other optical output devices, and / or other circuits for collecting input and / or providing output. The device 210 may also include a battery or other energy storage device, a connector port for supporting wired communication with auxiliary equipment and for receiving wired power, and other circuits.

[0046] To help maintain the desired alignment between the optical modules 230 as the optical modules 230 are moved by the actuator, the optical modules 230 may be mounted on optical module guide structures such as rails or other elongated support members. Figure 3 This type of arrangement is shown in the top view of FIG.

[0047] Figure 2 Any of the features, components, and / or parts shown (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to other figures (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Figure 2 Examples of devices, features, components, and parts are shown.

[0048] Figure 3A top view of an HMD or electronic device 310 including an optical module 330 that can move along a guide rail 344 is shown. The electronic device 310 can be substantially similar to the electronic devices described herein, including some or all of the features of the electronic devices described herein. Figure 3 As shown, the optical module 330 can be movably or slidably coupled to the guide rail 344 to allow the optical module 330 to move horizontally (e.g., laterally along the X-axis to accommodate different user interpupillary distances).

[0049] The guide rail 344 may include a circular cross-sectional shape (e.g., the guide rail 344 may be a cylindrical rod) or may have other cross-sectional shapes. The guide rod 344 may be formed of metal, polymer, composite material, and / or other materials. Hollow and / or solid members may be used to form the guide rail 344. To help reduce friction between the guide rail 344 and the optical module 330, the guide rail 344 and / or the mating portion of the optical module 330 may include a low friction coating (e.g., nickel, etc.).

[0050] In some examples, rails 344 may span the width of housing 312. For example, electronic device 310 may include left and right rails 344 in device 310 that join at the housing support structure and align with bridge of nose portion NB. Additionally, in some examples, left and right rails 344 may be formed as an integral part of a single rail that extends across housing 312. Rails 344 may be straight, or may have a curve or curved surface at bridge of nose portion NB (e.g., so that the left and right sides of the rails are slightly tilted backward to conform to the shape of the user's face). Figure 4 As shown in the rear view of the device 410, there may be an upper rail 444T and a lower rail 444B (collectively referred to as rails 444). In some examples, the device 410 may include four rails (two upper rails and two lower rails). In some examples, an arrangement with fewer rails or more rails may be used.

[0051] Figure 3 and Figure 4 Any of the features, components, and / or parts shown (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to other figures (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Figure 3 and Figure 4 Examples of devices, features, components, and parts are shown.

[0052] Figure 5 is a side view of an exemplary optical module mounted on rail 544. Figure 5In the example of FIG. 5 , optical module 530 has an upper portion such as portion 530T and a lower portion such as portion 530B. Portions 530T and / or 530B may be integrally formed with the main support structure 530M of the lens barrel structure and / or other support structures of optical module 530, and / or may be separate components coupled to the main support structure 530M (e.g., using welds, fasteners, adhesives, etc.). Lens 538 may be aligned with display 514 so that an image on display 514 may be viewed from eye zone 536 through lens 538.

[0053] like Figure 5 As shown, the optical module 530 may have a portion that receives and is coupled to the guide rail 544 while allowing the optical module 530 to slide along the guide rail 544. For example, the upper portion 530T may have a guide rail opening (optical module opening) 550 such as the opening 550T that receives the upper guide rail 544T, and the lower portion 530B may have a guide rail opening such as the opening 550B that receives the lower guide rail 544B. The openings 550T and 550B may be cylindrical openings with a circular cross-sectional shape that receive a cylindrical member forming the guide rails 544T and 544B and / or may have other shapes that partially or completely surround the guide rails 544T and 544B.

[0054] To prevent the rail 544 from getting stuck in the rail opening 550 of the optical module 530, the inner diameter of the optical module opening may be slightly larger than the outer diameter of the rail 544 (e.g., 2 microns to 50 microns, at least 5 microns, less than 100 microns, or other suitable amounts). To prevent excessive movement that may cause the optical module to be misaligned, the device 510 may be provided with a rail biasing system. The rail biasing system may have a movable biasing member (e.g., a pin, a plate, a spherical member, a hemispherical member, etc.) and a biasing element that applies a force to the biasing member. The biasing element may be, for example, a spring such as a coil spring, a leaf spring, and / or other spring member, may be a compressed polymer (e.g., an elastomeric material, a foam, etc.), may be a magnet, and / or may be other biasing components that can be used to bias the biasing member in a desired direction.

[0055] By using a guide biasing system, the guide 544 can be urged toward a desired position within the opening 550 to help remove undesirable gaps between the guide 544 and the opening 550. As an example, the guide 544 can be pressed against an inner surface of the opening 550 (e.g., at a location on the side of the opening 550 that faces the eye area 536, rather than at a location on the opposite side of the opening 550 that faces away from the user) and / or can be pressed against a structure mounted within the opening 550, such as a pin or other support member.

[0056] Figure 5Any of the features, components, and / or parts shown (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to other figures (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Figure 5 Examples of devices, features, components, and parts are shown.

[0057] Fig. 6A A perspective view of a rail 644 is shown. The rail 644 can be substantially similar to the rails described herein, including some or all of the features of the rails described herein. The rail 644 can include an outer shell, housing, or shell 645. The shell 645 can define an elongated cylindrical shape. The length of the shell 645 can be several times greater than the width or diameter. In some examples, the cross-section of the shell 645 can be circular, however other shapes are possible, including rectangular, oval, etc.

[0058] The housing 645 of the guide rail 644 may include a variety of materials or may be made of a variety of materials. In some examples, the housing 645 may include a material with a low coefficient of friction so that the housing 645 includes a smooth outer surface. In some examples, the housing 645 may be a composite material. In other examples, the housing 645 may be a cladding of a material. The housing 645 may include one or more of carbon fiber, a carbon fiber-filled composite material, an epoxy-based carbon fiber prepreg, stainless steel, titanium, aluminum, or plastic. The resin may be thermosetting (such as epoxy) or thermoplastic (such as PEEK). The housing material may be selected or adjusted to have high heat resistance and mechanical strength properties. In some examples, the housing 645 may include a refractory material. In some examples, the guide rail 644 may include an inner layer of a refractory material adjacent to the housing 645. In some other examples, the guide rail 644 may include a refractory epoxy or plastic covering a structural carbon layer of the housing 645.

[0059] In some examples, the housing 645 of the rail 644 can be hollow (ie, the housing 644 defines an interior volume). The hollow nature of the rail 644 can reduce the overall weight of the system and can also take advantage of the improved rigidity of the hollow structure.

[0060] Figure 6B A cross-sectional perspective view of a rail 644 is shown. As shown, a power source such as a battery 602 can be housed, positioned, surrounded, enclosed, or disposed within an interior volume defined by a housing 645 of the rail 644. Thus, the rail 644 can be integral with the battery, or in other words, the rail 644 can be a battery-integrated rail. Additional details regarding the battery-integrated rail are described below.

[0061] Fig. 6A and Figure 6B Any of the features, components, and / or parts shown (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to other figures (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Fig. 6A and Figure 6B Examples of devices, features, components, and parts are shown.

[0062] Figure 7 A cross-sectional view of a rail 744 is shown. The rail 744 can be substantially similar to the rails described herein, including some or all of the features of the rails described herein. In some examples, the HMD can include a mounting member 749. The mounting member 749 can be part of a housing of the HMD. In some examples, the rail 744 can be received in a recess 751 of the mounting member 749. The rail 744 can be removably or fixedly mounted or attached to the mounting member 749.

[0063] In some examples, the rail 744 can include an outer housing or shell 745. The battery 702 can be fixed within the rail 744. In some examples, the battery 702 can be attached to the interior of the rail 744 using an adhesive 747. The adhesive 747 can partially or completely fill the space between the battery 702 and the shell 745. In some examples, the adhesive 747 can provide a shear connection between opposite sides of the shell 745 of the rail 744. Thus, the battery 702 can be permanently or securely fixed within the shell 745 of the rail 744.

[0064] In some examples, the battery 702 may include electrical contacts, terminals, connectors, or leads 753. The electrical contacts 753 may create an electrical path to transfer power from the battery 702 to the HMD. In some examples, the housing 749 may include electrical terminals, connectors, or contacts positioned to engage with the electrical contacts 753 of the battery 702 to establish an electrical connection. In some examples, a cable, wire, or flexible cable 757 may transfer power from the battery 702 to components of the HMD. In other examples, a conductive surface may be formed on the housing 749 to establish an electrical path between the battery 702 and electrical components within the HMD.

[0065] The rail 744 can be coupled to the housing 749 using any suitable attachment. For example, the rail 744 can be attached, bolted, threaded, friction fit, fastened, or magnetically coupled to the housing 749. In some examples, the contacts 753 and 755 are electromagnets that help couple the rail 744 to the housing 749 and establish an electrical connection between the battery and the main logic board or other electrical components of the HMD. In some examples, the rail 744 is pivotally mounted to the housing 749.

[0066] Figure 7 Any of the features, components, and / or parts shown (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to other figures (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Figure 7 Examples of devices, features, components, and parts are shown.

[0067] Figure 8 844 of an integrated battery according to an exemplary embodiment. Figure 8 As shown, the guide rail 844 may be substantially similar to the guide rails described herein, including some or all of the features of the guide rails described herein. In some examples, the guide rail 844 may include one or more biasing contact pins 853. The biasing contact pin 853 may include, for example, a spring-loaded spring pin. The biasing contact pin 853 may be biased into a cavity or groove 859 in the housing 849. The cavity 859 may be formed in the recess 851. In some examples, the electrical terminal 855 may be positioned or exposed in the cavity 859 to establish an electrical connection with the biasing contact pin 853. Therefore, the battery 802 may be electrically connected to the HMD via the biasing contact pin 853 and the terminal 855.

[0068] In some examples, the biasing contact pin 853 may include a spring to extend the contact pin 853 into the cavity 859. The biasing contact pin 853 may help secure the rail 844 within the recess 851. The biasing contact pin 853 may be depressed under the action of a force from a user, such as a pulling motion on the rail 844, to remove the rail 844 from the housing 849. In some examples, the rail 844 may be removably inserted into the housing 849 by pushing or pressing the rail 844 into the recess 851. Upon contacting the housing 849, the biasing contact pin 853 may be depressed or compressed to allow the rail housing 845 to enter the recess 851. Once the rail 844 enters a certain distance into the cavity 851, the biasing contact pin 853 may be depressurized or extended into the cavity 859, thereby removably retaining the rail 844 to the housing 849 and establishing electrical communication between the battery 802 and the HMD.

[0069] Figure 8 Any of the features, components, and / or parts shown (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to other figures (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Figure 8 Examples of devices, features, components, and parts are shown.

[0070] Fig. 9 A cross-sectional view of a rail 944 of an integrated battery is shown. The rail 944 can be substantially similar to the rails described herein, including some or all of the features of the rails described herein. The rail 944 can include a support or slide 960 on which the battery 902 can be positioned. The slide 960 can be positioned within an interior volume 962 of the housing 945. The slide 960 can be positioned between the battery 902 and the housing 945. In some examples, the cross-section of the rail 944 can be rounded or curved. In some examples, the slide 960 can include a shape that conforms or matches the shape of the inner surface of the housing 945. For example, in Fig. 9 In some embodiments, the slider 960 can be curved to match the curvature of the housing 945. The battery 902 can be fixed to the slider 960. In some examples, the battery 902 can be attached to the slider 960 via an adhesive 947. In some examples, the slider 960 can include a wheel or roller. Fig.11 and Fig.12 As discussed in more detail, in some examples, the slide 960 can be movable relative to the housing 945 to insert and remove the battery 902 from the housing 945.

[0071] Fig. 9 Any of the features, components, and / or parts shown (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to other figures (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Fig. 9 Examples of devices, features, components, and parts are shown.

[0072] Fig.10A cross-sectional view of a guide rail of an integrated battery is shown. The guide rail 944 can be substantially similar to the guide rails described herein, including some or all of the features of the guide rails described herein. In some examples, the housing 1045 of the guide rail 1044 can include one or more orifices or openings 1064 to ventilate or cool the battery 1002. In other words, the openings 1064 in the housing 1045 can define an airflow path so that the interior volume 1062 of the housing 1045 is in fluid communication with the external environment. Therefore, the battery 1002 can be cooled by forming the holes 1064 in the housing 1045. Fig.13 Additional ventilation examples and implementations are discussed.

[0073] Fig.10 Only the top portion of the housing including the opening is shown. However, it should be understood that the opening can be positioned around / along the entire housing 1045 (including the lower portion of the housing 1045). Fig.10 1060 may include an opening to allow heat generated by the battery 1002 to be discharged to the external environment. Fig.11 and Fig.12 Further details regarding the guide rails, in particular regarding the slide configuration, are described.

[0074] Fig.10 Any of the features, components, and / or parts shown (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to other figures (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Fig.10 Examples of devices, features, components, and parts are shown.

[0075] Fig.11 A cross-sectional view of a rail 1144 of an integrated battery is shown. The rail 1144 can be substantially similar to the rails described herein, including some or all of the features of the rails described herein.

[0076] It may be advantageous to manufacture a rail of integrated batteries that includes an easily removable battery 1102. However, the desire to remove the battery 1102 must be balanced with the need to securely attach the battery 1102 within the rail 1144. Fig.11As shown, the battery 1102 can be fixedly attached to a removable support or slide 1160 that is removably coupled to the housing 1145 of the rail 1144. In some examples, the slide 1160 can be a distinct component of the rail 1144 that is attached to the battery 1102. In some examples, the slide 1160 can be an external portion or surface of the battery 1102 (i.e., not a separate component from the battery 1102).

[0077] In some examples, the slider 1160 can be removed or disassembled from the housing 1145. The slider 1160 can be attached to the housing 1145 using any suitable attachment mechanism. For example, the slider 1160 can include one or more attachment components that couple with corresponding attachment components of the housing. Fig.11 In the specific example shown, the slider 1160 includes a foot, protrusion, or clamp 1166 that engages or clips into a recess or retaining aperture 1168 defined by or formed in the housing 1145. In some examples, the foot 1166 and / or the recess 1168 may be shaped and designed to allow removable coupling to each other. For example, the foot 1166 may include a flexible design that allows the foot to bend or flex so as to be removed from the recess 1168. In some examples, the foot 1166 may include an angled surface, such as a ramp or chamfer, that allows the foot 1166 to be withdrawn from the recess 1168 to remove the slider 1160 and the battery 1102 from the housing 1145.

[0078] In some examples, the slider 1160 may include a bracket portion, such as a flange 1170, which engages or contacts a portion of the housing 1145, such as an edge or end of the housing 1145. The flange 1170 may be secured to the end of the housing 1145 via fasteners 1172, thereby securing the slider 1160 in place relative to the housing 1145. It should be understood that other attachment means for removably coupling the slider 1160 to the housing 1145 may be used to securely couple the slider 1160 to the housing 1145, including but not limited to magnets, adhesives, fasteners, or any other suitable couplings.

[0079] In some examples, the battery 1102 may include a wire or cable, such as a flexible circuit that establishes an electrical connection between the battery 1102 and the HMD. The cable 1157 may extend from the end of the battery 1102 and through the open end of the housing 1145, and may provide power to the HMD. The cable 1157 may be sufficiently long and may include sufficient slack to accommodate movement of the rail 1144 relative to the HMD.

[0080] Fig.11Any of the features, components, and / or parts shown (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to other figures (including their arrangements and configurations) may be included alone or in any combination in any other examples of devices, features, components, and parts shown in other figures described herein. Fig.11 Examples of devices, features, components, and parts are shown.

[0081] Fig.12 A cross-sectional view of a rail 1244 with an integrated battery is shown. The rail 1244 can be substantially similar to the rails described herein, including some or all of the features of the rails described herein. Fig.11 As opposed to the recessed portion 1168 that does not extend completely through the housing 1245, the housing 1245 can define one or more through holes or openings 1266 that extend completely through the wall of the housing 1245. The opening 1268 can be positioned to receive the foot 1266 of the slider 1260. The opening 1268 can allow access to the foot 1266 from the exterior of the rail 1244. In some examples, a user can press or manipulate the foot 1266 through the opening 1268 to depress and detach the slider 1260 from the housing 1245 and remove the battery 1202.

[0082] In some examples, the slider 1260 can form a hard stop or barrier that contacts the optical module and prevents further movement of the optical module beyond the hard stop. In some examples, the slider 1260 can include a cable guide or strain relief for interconnect cables. In other examples, the slider 1260 can include a crumple zone or location designed to fail when a predefined force is reached to protect the end of the guide rail 1244. In other words, the slider 1260 can include a protective section that cushions or structurally supports the guide rail 1244.

[0083] Fig.12 Any of the features, components, and / or parts shown (including arrangements and configurations thereof) may be included, alone or in any combination, in any other examples of devices, features, components, and parts shown in other figures described herein. Likewise, any of the features, components, and / or parts shown or described with reference to other figures (including arrangements and configurations thereof) may be included, alone or in any combination, in any other examples of devices, features, components, and parts shown in other figures described herein. Fig.12 Examples of devices, features, components, and parts are shown.

[0084] Fig.13A cross-sectional perspective view of a battery 1302 is shown. The battery 1302 can be substantially similar to the batteries and / or rails described herein, including some or all of the features of the batteries and / or rails described herein. In some examples, the battery 1302 can include a housing or casing 1345 that forms an outer protective surface and container for a battery cell 1374. The battery cell 1374 can include a roll of anode and cathode components. The anode and cathode components 1374 can be electrically connected to the HMD via a cable 1357.

[0085] like Fig.13 In some examples, the housing 1345 can include an elongated vent 1364 extending along and around the housing 1345 to improve heat dissipation of the battery 1302. The vent 1364 can include a mesh or protective screen to prevent debris from entering.

[0086] In some examples, the battery 1302 may include cylindrical battery cells that include rolls of anode and cathode materials 1374 positioned in an outer casing 1345. The outer casing 1345 may include steel or aluminum. In some examples, the outer casing 1345 is a rail. The anode and cathode components 1374 may directly contact the outer casing 1345. In other words, the anode and cathode components 1374 may directly contact the outer casing of the rail. In other examples, the outer casing is surrounded or encapsulated by the rail casing.

[0087] In some examples, the outer housing 1345 can structurally support the cylindrical battery cell 1374 to maintain its shape. However, in examples where the outer housing 1345 is surrounded by the outer shell of the guide rail, the outer housing 1345 may not necessarily be structurally rigid. Instead, the outer housing 1345 can be thin and flexible, and the structural support of the battery 1302 relies on the outer shell of the guide rail instead. It should be understood that when the battery is integrated into the guide rail, the traditional housing of the battery (i.e., the outer housing 1345) can be replaced by the outer shell of the guide rail.

[0088] In some examples, the optical module of the HMD can be movably attached to the battery 1302 so that the battery 1302 guides the movement of the optical module. In this way, the battery 1302 can be a guide, such as those described herein.

[0089] Fig.13 Any of the features, components, and / or parts shown (including arrangements and configurations thereof) may be included, alone or in any combination, in any other examples of devices, features, components, and parts shown in other figures described herein. Likewise, any of the features, components, and / or parts shown or described with reference to other figures (including arrangements and configurations thereof) may be included, alone or in any combination, in any other examples of devices, features, components, and parts shown in other figures described herein. Fig.13 Examples of devices, features, components, and parts are shown.

[0090] To the extent applicable to the present technology, the collection and use of data obtained from various sources may be used to improve the delivery of inspirational content or any other content that may be of interest to users. The present disclosure contemplates that in some instances, such collected data may include personal information data that uniquely identifies or can be used to contact or locate a specific person. Such personal information data may include demographic data, location-based data, phone numbers, email addresses, ID, home address, data or records related to the user's health or fitness level (e.g., vital sign measurements, medication information, exercise information), date of birth, or any other identifying or personal information.

[0091] The present disclosure recognizes that the use of such personal information data in the present technology can be used to benefit users. For example, the personal information data can be used to deliver targeted content that users are more interested in. Therefore, the use of such personal information data enables users to have planned control over the content delivered. In addition, the present disclosure also anticipates other uses of personal information data that benefit users. For example, health and fitness data can be used to provide insights into the user's overall health status, or can be used as positive feedback to individuals who use technology to pursue health goals.

[0092] The disclosure anticipates that entities responsible for the collection, analysis, disclosure, transmission, storage or other purposes of such personal information data will comply with sound privacy policies and / or privacy measures. Specifically, such entities should implement and adhere to the use of privacy policies and practices that are recognized as meeting or exceeding the industry or government requirements for maintaining the privacy and security of personal information data. Such policies should be easy for users to access and should be updated as changes in the collection and / or use of data occur. Personal information from users should be collected for legal and reasonable entity purposes and should not be shared or sold outside these legal purposes. In addition, such collection / sharing should be carried out after receiving the informed consent of the user. In addition, such entities should consider taking any necessary steps to protect and safeguard access to such personal information data, and ensure that other entities with access to personal information data comply with their privacy policies and procedures. In addition, such entities can subject themselves to third-party assessments to prove that they comply with widely accepted privacy policies and practices. In addition, policies and practices should be adapted to specific types of personal information data collected and / or accessed, and to applicable laws and standards including considerations of special jurisdictions. For example, in the United States, the collection or acquisition of certain health data may be governed by federal and / or state laws, such as the Health Insurance Portability and Accountability Act (HIPAA); while health data in other countries may be subject to other regulations and policies and should be handled accordingly. Therefore, different privacy measures should be advocated for different types of personal data in each country.

[0093] Regardless of the foregoing, the present disclosure also contemplates implementation schemes in which users selectively block the use or access of personal information data. That is, the present disclosure contemplates hardware elements and / or software elements to prevent or block access to such personal information data. For example, with respect to an advertising delivery service, the technology of the present invention may be configured to allow a user to choose to "opt in" or "opt out" to participate in the collection of personal information data at any time during or after registration for the service. In another example, a user may choose not to provide emotion-related data for a target content delivery service. In another example, a user may choose to limit the length of time that emotion-related data is retained, or completely prohibit the development of basic emotional conditions. In addition to providing "opt-in" and "opt-out" options, the present disclosure also contemplates providing notifications related to access or use of personal information. For example, a user may be notified that their personal information data will be accessed when downloading an application, and then the user may be reminded again just before the personal information data is accessed by the application.

[0094] In addition, it is the intention of the present disclosure that personal information data should be managed and processed in a manner that minimizes the risk of unintentional or unauthorized access or use. Once the data is no longer needed, the risk can be minimized by limiting the collection of data and deleting the data. In addition, and when applicable, including in certain health-related applications, data de-identification can be used to protect the privacy of users. De-identification can be facilitated by removing specific identifiers (e.g., date of birth, etc.), controlling the amount or specificity of stored data (e.g., collecting location data at the city level rather than at the address level), controlling how the data is stored (e.g., aggregating data between users), and / or other methods when appropriate.

[0095] Thus, while the present disclosure broadly covers the use of personal information data to implement one or more of the various disclosed embodiments, the present disclosure also contemplates that various embodiments may also be implemented without access to such personal information data. That is, various embodiments of the present technology will not fail to function properly due to the lack of all or a portion of such personal information data. For example, content may be selected and delivered to a user by inferring preferences based on non-personal information data or an absolute minimum amount of personal information, such as content requested by a device associated with the user, other non-personal information available to a content delivery service, or publicly available information.

[0096] For the purpose of illustration, the foregoing description uses specific nomenclature to provide a thorough understanding of the embodiments. However, it will be apparent to those skilled in the art that specific details are not required in order to practice the embodiments. Therefore, for the purpose of illustration and description, the foregoing description of the specific embodiments described herein is presented. They are not intended to be exhaustive or to limit the embodiments to the disclosed precise forms. It will be apparent to those of ordinary skill in the art that, in view of the above teachings, many modifications and variations are feasible.

Claims

1. A head-mounted device, comprising: an optical module configured to present visual information to a user; a structure movably attachable to the optical module, the structure defining a path of motion for the optical module, the structure comprising: a housing defining an interior volume; and A battery is disposed within the interior volume.

2. The head-mountable device according to claim 1, wherein: The structure is a first guide rail; The battery is a first battery; The optical module is a first optical module; and The head mountable device also includes a second optical module movably attached to the second rail, the second rail housing a second battery.

3. The head mountable device according to claim 1, wherein the structure comprises: a superstructure to which the optical module is movably attached; and A lower structure accommodates a second battery.

4. The head mountable device of claim 1, wherein the structure comprises a rail defining a motion path for the optical module. The head mountable device of claim 1 , wherein the structure is cylindrical.

6. The head mountable device of claim 1, wherein the structure further comprises an electrical connector for establishing electrical communication between the battery and the head mountable device.

7. The head mountable device of claim 1, wherein the housing defines an air gap between an inner surface of the housing and the battery.

8. The head mountable device of claim 1, wherein the structure is attached to a mounting housing of the head mountable device, the electrical pathway being positioned through the mounting housing.

9. The head mountable device of claim 1, further comprising a cable extending from the battery through the open end of the structure.

10. The head mountable device according to claim 1, wherein: The battery comprises an anode material and a cathode material; and Each of the anode material and the cathode material directly contacts the outer shell of the structure.

11. A guide rail for a head mounted display, the guide rail comprising: a housing defining an exterior surface and an interior volume; and a power source positioned within the interior volume; The outer surface of the guide rail is configured to be connected to a movable lens structure.

12. The guide rail of claim 11, wherein the power supply is removable from the housing.

13. The guide rail of claim 11, wherein the power supply is secured in the housing via an adhesive.

14. The guide rail of claim 11, further comprising a slider secured to the battery and removably attached to the housing. 15 . The guide rail of claim 14 , wherein the slider includes a protrusion configured to releasably couple with a recessed portion of the housing.

16. The guide rail of claim 11, wherein the shell comprises a carbon fiber filled composite material.

17. The guide rail of claim 11, wherein the housing defines a vent that forms an air flow path between the interior volume and an ambient environment.

18. A head-mountable device comprising: A battery, the battery comprising a battery housing; and An optical module includes an actuator that is rotatably engaged with the battery housing to translate the optical module. The head mountable device of claim 18 , wherein the battery comprises a cylindrical battery cell.

20. The head mountable device of claim 18, wherein the battery housing comprises a fire resistant material.

Images