193results about How to "Viewing comfort" patented technology

A positioning device for supporting a portable computer that includes a base member for placing on a horizontal surface, a support plate for supporting the portable computer at an inclined position relative to the base member, a hinge that rotatably connects the base member to the support plate so that the support plate can be rotated between multiple angular positions relative to the base member, and a lock mechanism for selectively fixing the angular position between the base member and the support plate. The portable computer, which includes a base housing having a front and rear end, a flat panel display rotatably attached to the rear end of the base housing, and a keyboard attached to a top surface of the base housing, can be supported in an inclined position directly by a support member that is rotatably attached to the front end of the base housing so that the support member can be rotated between multiple angular positions relative to the base housing, where a lock mechanism selectively fixes the angular position between the support member and the base housing so that the support member supports the base housing at an inclined position.

An image projection system and method are presented to project an image on at least one of first and second projection planes. The system comprises a light source system including one or more light source assemblies operable to generate light of one or more predetermined wavelength range; a spatial light modulator (SLM) system including one or more SLM units operable to spatially modulate input light in accordance with an image to be directly projected or viewed; and two optical assemblies associated with two spatially separated light propagation channels, respectively, to direct light to, respectively, the first and second projection planes with desired image magnification. The system is configured to selectively direct the input light propagating towards the SLM system or light modulated by the SLM system to propagate along at least one of the two channels associated with the first and second projection planes, respectively.

Disclosed herein is an optical position adjustment method of a head mounted display, the head mounted display including (a) an eyeglass type frame worn on the head of a viewer, and (b) two image display devices for the right and left eyes attached to the frame, and each of the image display devices including (A) an image forming device, and (B) an optical device adapted to receive, guide and emit light emitted from the image forming device, wherein the optical position adjustment method includes the step of: controlling an image signal that is supplied to the image forming device making up at least one of the image display devices so as to control the position of the image displayed on the optical device making up at least one of the image display devices and adjust the mutual positions of the two images.

There is provided a head mounted display including a glasses-type frame to be worn on a head of an observer; two optical modules including two image creation devices, and two light guides having two light guide plates coupled one-to-one with the two image creation devices and placed closer to a center of a face of the observer than the image creation devices are as a whole, that guide light beams output from the image creation devices and output the light beams toward pupils of the observer; and an optical plate supporting the two light guides, wherein the optical plate is attached to a center part of the frame.

The present invention provides a method and apparatus for connecting terminal equipment to a wireless network with a mobile terminal, wherein the mobile terminal is assigned proxy functions that control access of the terminal equipment to an internet protocol multimedia subsystem (IMS) in the wireless network. The proxy control functions include identification or authentication functions, as well as call control functions. The terminal equipment performs protocol stream processing functions for communicating with the internet protocol multimedia subsystem (IMS). The protocol stream processing functions include real-time transport protocol (RTP) and real-time transport control protocol (RTCP) functions. The wireless network includes a universal mobile telecommunications system (UMTS) network coupled to the internet protocol multimedia subsystem (IMS). The internet protocol multimedia subsystem (IMS) includes a session initiation protocol (SIP) server for providing internet protocol multimedia information signals.

An aircraft communications system includes at least one personal electronic device (PED) carried by an aircraft passenger, and an aircraft in-flight entertainment (IFE) system. The PED includes a PED near-field communications (NFC) device, a PED wireless transceiver, and a PED controller for transmitting a registration identifier (ID), and communicating via the PED wireless transceiver. The aircraft IFE system includes an IFE video entertainment source, IFE passenger seat displays, a respective IFE NFC device associated with each of the IFE passenger seat displays, an IFE wireless transceiver, and an IFE controller. The IFE controller is for selectively displaying video from the IFE entertainment source on the IFE passenger seat displays, and communicating with the PED wireless transceiver via the IFE wireless transceiver based upon one of the respective IFE NFC devices receiving the registration ID from the PED NFC device when in proximity thereto.

A communications system for an aircraft includes an aircraft IFE system, and at least one personal electronic device (PED) carried by an aircraft passenger. The IFE system includes an IFE video entertainment source, IFE passenger seat displays, a respective IFE NFC device associated with each of the IFE passenger seat displays, an IFE wireless transceiver, and an IFE controller. The IFE controller is for selectively displaying video from the IFE entertainment source on the IFE passenger seat displays, selectively transmitting a respective registration ID from each IFE NFC device, and communicating via the IFE wireless transceiver. The PED includes a PED NFC device, a PED wireless transceiver, and a PED controller. The PED controller is for communicating with the IFE wireless transceiver via the PED wireless transceiver based upon the PED NFC device receiving the registration ID associated with one of the respective IFE NFC devices when in proximity thereto.

A high brightness presentation display system includes: a transparent display panel having a viewing side and a non-viewing side, furcated row electrode array, furcated column electrode array defining matrix crosspoints and an electro-responsive display producing medium at said matrix crosspoints. Row electrode drive circuitry is connected to selectively drive electrodes in the row electrode array and column electrode drive circuitry is connected to selectively drive electrodes in the column electrode array such that conjoint voltages on selected row and column electrodes operate the display. The furcated electrode spacing and interelectrode spacings are such as to enhance discrimination, and the multiple sub-pixels due to the furcations of electrodes enhance brightness. Optical sensor positioned on the non-viewing side for viewing through the transparent display panel at a predetermined position from the viewing side of the transparent display panel is activated by a remote source producing a control beam of optical energy through the transparent display panel. Optionally, electrically generated icons displayed on the panel can be used to locate the sensors. Color displays and displays having high visibility in sunlight are disclosed.

There is provided a head mounted display including a glasses-type frame to be worn on a head of an observer; two optical modules including two image creation devices, and two light guides having two light guide plates coupled one-to-one with the two image creation devices and placed closer to a center of a face of the observer than the image creation devices are as a whole, that guide light beams output from the image creation devices and output the light beams toward pupils of the observer; and an optical plate supporting the two light guides, wherein the optical plate is attached to a center part of the frame.

Disclosed herein is an optical position adjustment method of a head mounted display, the head mounted display including (a) an eyeglass type frame worn on the head of a viewer, and (b) two image display devices for the right and left eyes attached to the frame, and each of the image display devices including (A) an image forming device, and (B) an optical device adapted to receive, guide and emit light emitted from the image forming device, wherein the optical position adjustment method includes the step of: controlling an image signal that is supplied to the image forming device making up at least one of the image display devices so as to control the position of the image displayed on the optical device making up at least one of the image display devices and adjust the mutual positions of the two images.

A communications system for an aircraft includes an aircraft IFE system, and at least one personal electronic device (PED) carried by an aircraft passenger. The IFE system includes an IFE video entertainment source, IFE passenger seat displays, a respective IFE NFC device associated with each of the IFE passenger seat displays, an IFE wireless transceiver, and an IFE controller. The IFE controller is for selectively displaying video from the IFE entertainment source on the IFE passenger seat displays, selectively transmitting a respective registration ID from each IFE NFC device, and communicating via the IFE wireless transceiver. The PED includes a PED NFC device, a PED wireless transceiver, and a PED controller. The PED controller is for communicating with the IFE wireless transceiver via the PED wireless transceiver based upon the PED NFC device receiving the registration ID associated with one of the respective IFE NFC devices when in proximity thereto.

The present invention relates to an image display device (1) comprises at least one spatial light modulator (2), at least one point light source (3), wherein the light source (3) is placed in front of the spatial light modulator (2). The display device is suitable for wearable Augmented Reality (AR) and 3D displays.

An aircraft communications system includes at least one personal electronic device (PED) carried by an aircraft passenger, and an aircraft in-flight entertainment (IFE) system. The PED includes a PED display, a PED wireless transceiver, and a PED controller for generating a respective registration token image on the PED display. The aircraft IFE system includes an IFE video entertainment source, IFE passenger seat displays, a respective IFE optical sensor associated with each of the IFE passenger seat displays, an IFE wireless transceiver, and an IFE controller. The IFE controller is for selectively displaying video from the IFE entertainment source on the IFE passenger seat displays, and for communicating with the PED wireless transceiver via the IFE wireless transceiver based upon a respective IFE optical sensor sensing the registration token image on the PED display.

Various embodiments of a 3-D display device are disclosed which simultaneously provide a wide field of view and a large eye relief and yet do not require that the viewer wear glasses or the like in order to keep the images intended for only the left eye from entering the view field of the right eye and vice-versa. The light that forms left and right display images is made independent in left and right optical paths, either by having orthogonal polarizations, wavelengths that do not overlap, or by time-multiplexing the left and right images in different time periods that do not coincide.

The invention relates to a naked eye three-dimensional display device and method through combination of visual fatigue detection. The device mainly is composed of an infrared binocular camera, an eye image analysis unit, an eye space position feedback unit, an eye visual area adjustment unit, a left and right view display and adjustment unit, an eye fatigue detection unit and a video output unit. According to the method, space coordinates of eyes are positioned in real time through adoption of an eyeball tracking technology; eye position movement is tracked in real time and subpixels of corresponding liquid crystal raster image are rearranged through adoption of a programmable logic array technology, thereby changing an optimum viewpoint area, the image crosstalk in an eye watching process is effectively reduced, and the viewing experience of a user is improved. Through application of the technologies, an eye fatigue state of the user in the viewing process is detected, measured and evaluated in real time, and the bad physiological reaction degree of the user is judged, thereby prompting the user to take measures to prevent or mitigate visual fatigue timely.

The present invention relates to a method for dynamically controlling a backlight according to contents of a mobile phone screen, the method comprises the steps as follows: A. a baseband chip sends a control instruction to a LCDC (Liquid Crystal Display Controller); B. the LCDC acquires the contents displayed by the mobile phone screen at present; C. the LCDC outputs a PWM (Pulse-Width Modulation) signal with an adjustable duty ratio to a LEDC (Light Emitting Driving Controller) according to the contents acquired; and D. the LEDC outputs a corresponding backlight driving PWM signal to a screen backlight driving port according to the PWM signal received. Compared with the prior art, the method in the present invention can dynamically control the backlight according to the different contents displayed by the screen without any extraneous interference, so that current consumption of the backlight is reduced, color of the screen display is bright and brilliant, and users can feel comfortable when watching the screen of the mobile phone.

Various embodiments disclose a quasi progressive lens including a first optical zone capable of providing distance vision, a second optical zone capable of providing near vision and a transition zone connecting the first and second optical zones. Physical dimensions (e.g., length and width) of the transition zone are adjusted to increase the size of the second optical zone in comparison to progressive lenses and to reduce residual cylinder power and aberrations along the convergence path in comparison to bifocal lenses.

An opto-electronic image magnifying system. The magnifiying system includes: a light source (38, 39) which illuminates an object to be viewed; a miniaturized opto-electronic magnifier module (MOM), made of a lens (31) and a photodetector array (32), which receives the light from the illuminated object; an electronic circuit (34) which receives the signal from the MOM; a video-monitor (35) which receives the magnified signal from the electronic circuit and displays the image. The opto-electronic image magnifying system allows for small objects or features of small objects to be observed in which historically compound microscopes or specialized optical viewing systems were required to observe the small objects.

A dual functional desk with tilt-adjustable tops includes a stand frame; a front top mounted to an upper front portion of the stand frame via a front tilt control device; and a rear top including a screen support and mounted to an upper rear portion of the stand frame via a rear tilt control device. A computer, TV, or PDA screen may be mounted on the screen support, and the front and the rear top may be separately adjusted to different tilt angles best for writing, reading, or drawing at the front top, or watching the screen mounted on the rear top. When the screen is not in use, the front and the rear top may be simultaneously restored to a horizontal state or adjusted to the same plane with the screen invisibly located below the rear top to increase the usable area on the desk.

The invention provides a head-up display device, a control method thereof and a vehicle. The head-up display device comprises a display component, a first optical component, a second optical componentand a composite component. The first optical component transmits or reflects light in different polarization directions or polarization states to realize light separation of state information projection and augmented reality information projection, and two-layer display is realized. For example, augmented reality information can be displayed at a distance far from the eyes of a driver. The focallength of the human eyes is not adjusted frequently during a driving process, which makes viewing more comfortable and eliminates safety hazards.

Disclosed is a head mounted display (HMD) device. A HMD device for providing a service that provides a virtual reality (VR) image comprises: a display; a sensor for sensing a direction to which the HMD device is oriented; and a processor for controlling the display to provide a first part of the VR image when the sensed direction to which the HMD device is oriented is changed within a predetermined range on the basis of the front of a user, and to provide a second part of the VR image when the sensed direction to which the HMD device is oriented is changed to escape from the predetermined range on the basis of the front of the user.

Apparatus and methods are disclosed for viewing low-birefringence structures within samples directly, with the eye, in real-time. The sample is placed between an entrance polarizer and analyzer polarizer, the transmission state of one of which is changed dynamically to create a modulated view of the scene; against this background, birefringent structures are visible because of their different appearance when modulated. Modulation rates of 4 or more states per second; use of 4 or more states, or even a continuum of states, which lie substantially on a latitude line on the Poincare sphere; and orientation of the polarization components to produce a uniform background; produce a clear view that does not produce operator fatigue. Broad-band wavelength operation spanning 50 nm or more, or the whole visible range, is achieved, and it is compatible with integration into other microscopy modes such as Hoffman relief contrast.

An aircraft communications system includes at least one personal electronic device (PED) carried by an aircraft passenger, and an aircraft in-flight entertainment (IFE) system. The PED includes a PED near-field communications (NFC) device, a PED wireless transceiver, and a PED controller for transmitting a registration identifier (ID), and communicating via the PED wireless transceiver. The aircraft IFE system includes an IFE video entertainment source, IFE passenger seat displays, a respective IFE NFC device associated with each of the IFE passenger seat displays, an IFE wireless transceiver, and an IFE controller. The IFE controller is for selectively displaying video from the IFE entertainment source on the IFE passenger seat displays, and communicating with the PED wireless transceiver via the IFE wireless transceiver based upon one of the respective IFE NFC devices receiving the registration ID from the PED NFC device when in proximity thereto.

Various embodiments disclose a quasi progressive lens including a first optical zone capable of providing distance vision, a second optical zone capable of providing near vision and a transition zone connecting the first and second optical zones. Physical dimensions (e.g., length and width) of the transition zone are adjusted to increase the size of the second optical zone in comparison to progressive lenses and to reduce residual cylinder power and aberrations along the convergence path in comparison to bifocal lenses.

The invention relates to the technical field of network broadcasts, in particular to a control method, device and equipment of a presentation displaying effect of an electronic gift in a direct broadcasting room. The control method comprises the steps of obtaining feature information of a product in terminal equipment; searching the corresponding display performance information from a server according to the feature information of the product, and then obtaining set information of the displaying effect corresponding to the display performance information; saving the set information of the displaying effect so that graphic information of the presentation displaying effect of the electronic gift corresponding to the set information can be restrained base on a set value contained in the set information when data of presenting the electronic gift is generated in the direct broadcasting room. The feature information of the product in the terminal equipment is identified, and then the set information of the presentation displaying effect of the electronic gift in the direct broadcasting room is obtained, the presentation displaying effect of the electronic gift is customized according to differentiation of users using different terminal equipment, and resources in the terminal equipment are reasonably utilized, so that the users watch the network broadcasts more smoothly and comfortably.

The invention discloses an auxiliary teaching device for teaching. The auxiliary teaching device comprises a storage box and a concave base. A fixed mounting board, a writing board and a projection display screen are arranged inside the storage box; and a support bottom plate is fixedly connected to the lower end surface of the fixed mounting board. Guide rods are connected to the support bottom plate in a sliding manner by L-shaped connecting plates; the L-shaped connecting plates are fixedly connected with elastic pulling ropes; the elastic pulling ropes wind and connect upper guide wheels and lower guide wheels in a rolling manner successively; the elastic pulling ropes arranged symmetrically left and right wind a winding wheel III and a winding wheel I respectively and fixedly; a rotating shaft III and a rotating shaft I are fixedly installed at the winding wheel III and the winding wheel I respectively and fixedly; and the rotating shaft III and the rotating shaft I are connectedwith a driving shaft in a meshing driving manner by gear wheels and the driving shaft is fixedly connected with the output terminal of a driving motor. The lower end of the storage box is installed inan upper circular opening of the concave base; and universal wheels are fixedly installed under the lower end surface of the concave base. The auxiliary teaching device has advantages of great convenience of movement and fixation, high stability and good anti-knock performance; and the efficiency of existing-teaching-mode teaching and learning of the students and teachers is improved.