Method for wireless powering and control of a dimmable light device

By incorporating a wireless connection interface and complementary induction coils between the vehicle's removable panel and the roof beam, the complexity of installing and controlling the vehicle's dimmable window system is resolved, enabling simple and robust electrical signal and power transmission, and enhancing the system's flexibility and durability.

CN116783080BActive Publication Date: 2026-04-07GENTEX CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-02-18
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

In the existing technology, the installation and control of vehicle adjustable window systems are complex and inconvenient, especially at the connection interface between the removable panel and the vehicle, where it is difficult to achieve stable and efficient transmission of electrical signals and power.

Method used

Using a wireless connection interface, complementary induction coils or capacitor plates are placed between the removable panel and the vehicle's roof beam to achieve wireless coupling between electro-optical components and the vehicle's electrical system. Structures such as compression rods and latches ensure a stable connection between the panel and the vehicle, and alignment is achieved through flexible connection accessory adjustment modules to enable wireless transmission of electrical signals and power.

Benefits of technology

It enables easy installation and secure connection of the removable panel to the vehicle, ensures reliable control of the electro-optical components and efficient power supply, simplifies the installation process and improves the system's flexibility and durability.

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Abstract

A window device for a vehicle includes a removable panel that selectively closes an external opening of the vehicle, the removable panel including an electro-optical device. The electro-optical device is configured to adjust the transmittance of the window. A wireless connectivity interface is connected to an interface surface of the removable panel, wherein the wireless connectivity interface transmits power and / or electrical signals from the vehicle to the electro-optical device.
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Description

Technical Field

[0001] This disclosure relates generally to an electrical connection interface for a vehicle, and more specifically, to a connection interface for selectively coupling a removable panel including an electro-optical device. Summary of the Invention

[0002] In one aspect of the invention, a window device for a vehicle is disclosed. The device includes a removable panel that selectively closes external openings of the vehicle. An electro-optical device is formed within the removable panel. The electro-optical device is configured to adjust the transmittance of the window. A wireless connection interface is connected to an interface surface of the removable panel, wherein the wireless connection interface transmits power or electrical signals from the vehicle to the electro-optical device.

[0003] A method for controlling a dimmable window element for a vehicle is disclosed. The method includes mounting a removable panel to connect to and close an external opening of the vehicle. Based on this mounting, a first module with a connection interface disposed on the removable panel is positioned to align with a second module with a connection interface disposed near a roof beam portion of the vehicle. At least one of a control signal and power for the dimmable window is transmitted via the connection interface.

[0004] A window device for a vehicle includes a removable panel that selectively closes an external opening of the vehicle. A window including an electro-optical device is formed within the removable panel. The electro-optical device is configured to adjust the transmittance of the window. A wireless connectivity interface includes a first connectivity module connected to an interface surface of the removable panel and a second connectivity module connected to the vehicle, the second connectivity module being located near a top beam configured to receive the removable panel. In an assembly configuration, the connectivity interface is disposed within a cavity between the removable panel and the top beam of the vehicle.

[0005] By studying the following description, claims and drawings, those skilled in the art will further understand and appreciate these and other features, advantages and purposes of this device. Attached Figure Description

[0006] The invention will now be described with reference to the following figures, in which:

[0007] Figure 1A It is a projection drawing of a vehicle including a removable roof panel shown in a connected configuration;

[0008] Figure 1B It is a projection image of a vehicle including a removable roof panel shown in a configuration with the panel removed;

[0009] Figure 2 It is a partially exploded and assembled view of the removable roof panel and the opening formed between the front and rear roof beams of the vehicle.

[0010] Figure 3 This is a simplified schematic diagram of the electro-optical components of the window panel;

[0011] Figure 4 It is a front and rear cross-sectional view showing the modular roof assembly, including the wireless connectivity interface;

[0012] Figure 5 This is a partial view of the vehicle's roof beam, showing the first module of the wireless connectivity interface;

[0013] Figure 6 It is a partial cross-sectional view of the frame of the roof panel of the modular roof assembly, including the second coupling module of the wireless connection interface.

[0014] Figure 7 This is a front and rear cross-sectional view of the first and second coupling modules of the wireless connection interface;

[0015] Figure 8 It is a partial assembled view of the roof of the vehicle, showing the passenger compartment including the wireless connectivity interface;

[0016] Figure 9 yes Figure 8 A detailed view of the wireless connection interface described in the text;

[0017] Figure 10 This is a front and rear cross-sectional view of the wireless connection interface, which shows as follows: Figure 8 and Figure 9 The first coupling module and the second coupling module described herein;

[0018] Figure 11 It was previously in Figures 8 to 10 Detailed views of the first and second coupling modules of the wireless connection interface discussed in the text;

[0019] Figure 12 This is a detailed assembly view of the connection interface integrated into the compression bar of the modular roof assembly;

[0020] Figure 13 It is combined in such Figure 12 Front and rear cross-sectional views of the wireless connection interface in the compression rod described in the article;

[0021] Figure 14A This is a block diagram of an exemplary transmitting circuit for a wireless connection interface; and

[0022] Figure 14B This is a block diagram of the receiver circuit for the wireless connection interface. Detailed Implementation

[0023] For the purposes described herein, the terms “upper,” “lower,” “right,” “left,” “back,” “front,” “vertical,” “horizontal,” and their derivatives should be used interchangeably with those used in this document. Figure 1A The present invention relates to the orientation specified herein. However, it should be understood that the invention may take various alternative orientations except as expressly specified otherwise. It should also be understood that the specific apparatus and processes shown in the drawings and described in the following description are merely exemplary embodiments of the inventive concept as defined in the appended claims. Therefore, unless otherwise expressly stated in the claims, the specific dimensions and other physical characteristics relating to the embodiments disclosed herein should not be considered limiting.

[0024] The terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusions, such that a process, method, article of manufacture, or apparatus that comprises a list of elements may include not only those elements but also other elements not expressly listed or not inherent to such process, method, article of manufacture, or apparatus. Without further constraints, the prefix “comprising…” does not preclude the presence of additional identical elements in the process, method, article of manufacture, or apparatus that includes said element.

[0025] refer to Figure 1A , Figure 1B and Figure 2 This shows the mounting configuration relative to vehicle 12 ( Figure 1A ) and removal configuration ( Figure 1B and Figure 2 A removable body panel or roof panel 10. As depicted in the exemplary figures, the roof panel 10 embodies a removable top designed to be mounted in an opening 14 in the vehicle 12. The opening 14 is formed between a front roof beam 16a and a rear roof beam 16b adjacent to a windshield 18. The roof panel 10 forms part of a modular roof assembly 20 and includes a variable transmittance panel or window panel 22 that changes transmittance to modulate light entering the passenger compartment 24 of the vehicle 12. To maintain control over the operation of the variable transmittance of the window panel 22, a connection interface 30 communicatively or wirelessly couples a first terminal 32a connected to the vehicle 12 to a second terminal 32b connected to the roof panel 10. In various specific implementations, this disclosure provides a connection interface 30 for electrically coupling an electro-optical element 40 of the roof panel 10 to a vehicle electrical system or controller configured to control the transmittance of the window panel 22. In this way, the present disclosure provides a consistent and robust electrical interface that allows the window control module 42 to adjust the transmittance of the window panel 22 by controlling the transmittance of the electro-optic element 40.

[0026] like Figure 2As shown, the roof panel 10 of the modular roof assembly 20 is positioned on the front roof beam 16a and rear roof beam 16b via a plurality of positioning features 50. The positioning features may include one or more compression rods 50a, latches 50b, positioning pins 50c, and various features configured to align the roof panel 10 within the opening 14 and secure the roof panel 10 to the roof beams 16a, 16b of the vehicle 12. The positioning features may be mechanically attached to a frame 52 that may extend around the perimeter 53 of the roof panel 10. As shown, the positioning features 50 are mounted to the frame 52 in complementary positions corresponding to the alignment of the roof panel 10 within the opening 14 formed by the roof beams 16a, 16b. In this configuration, the window panel 22, including the electro-optical element 40, is structurally supported by the frame 52 and mounted to the body of the vehicle 12.

[0027] In the illustrated example, the compression lever 50a includes a lever arm 54 configured to compressively latch the roof panel 10 to the rear roof beam 16b, and includes a plurality of interlocking latches 50b positioned in a corner portion of the roof panel 10, which align with corresponding interlocking latches 50b connected to the front roof beam 16a. The mating components of the latches 50b may include complementary features (e.g., levers, hooks, etc.) for mechanical connection. Alternatively, one or more of the locating pins 50c may be used to align the roof panel 10 such that the compression lever 50a and latches 50b are positioned to secure the roof panel 10 to the vehicle in response to rotation 58 of the lever arm 54. Therefore, the roof assembly 20 can be easily attached to and detached from the vehicle 12.

[0028] Various components or parts of the connection interface 30 may be incorporated into the positioning feature 50, or the mating interaction or positioning of the positioning feature may be advantageously utilized to align and / or wirelessly couple the terminals 32a and 32b of the connection interface 30. For example, in some implementations, the connection interface 30 may be incorporated into a portion of one or more positioning features in the positioning feature 50, and electrical coupling between the window control module 42 and the vehicle electrical system may be provided based on a locked alignment or connection attributable to the positioning feature 50. In this way, the connection interface 30 may provide electrical coupling between the window control module 42 incorporated in the roof panel 10 and the vehicle electrical system disposed in the vehicle 12 via a structural connection between the roof panel 10 and the vehicle 12, without requiring additional connections and minimizing installation steps.

[0029] In various specific implementations, the window control module 42 can be integrated into the roof panel 10, or it can be integrated into the vehicle 12 (e.g., into the center console, central instrument panel, panel console, etc.). Figure 2As depicted, when the window control module 42 is integrated into the roof panel 10, the user interface 60 may also be included in the roof panel 10. For example, an interface panel 62 including multiple user inputs 64 may be integrated into or mounted in an opening formed in the frame 52 of the roof panel 10. The user inputs may include instructions configured to transmit commands to the window control module 42 to activate and / or control the transmittance of the electro-optical elements 40 of the window panel 22. Therefore, in some specific implementations, this disclosure provides a connection interface that transmits power to supply power to the window control module 42 and may also transmit control commands to control the drive circuitry for the electro-optical elements 40.

[0030] refer to Figure 3 A simplified schematic diagram of the electro-optic element 40 of the window panel 22 is shown. To provide control of the electro-optic element 40 from within the vehicle 12, a connection interface 30 communicatively connects the vehicle's electrical system to the window control module 42. In this configuration, the window control module 42 is operable to control the voltage or electrical signal supplied to the electro-optic element 40 or each of a plurality of electro-optic elements that may form a dimming area of ​​the window panel 22. By controlling the signal or voltage supplied to the connection interface 30, the window control module 42 can control the variable transmittance via the electro-optic medium 62 of the electro-optic element 40.

[0031] like Figure 3 The diagram shows a detailed cross-section 70 of the window panel 22, illustrating a stacked structure of an exemplary configuration. The window panel 22 may include a first substrate 74 oriented to a second substrate 78 in a spaced-apart configuration. An electro-optic dielectric 62 (e.g., an electrochromic material) may be enclosed between the first substrate 74 and the second substrate 78. A first transparent electrode 82 may be disposed between the first substrate 74 and the electro-optic dielectric 62, and a second transparent electrode 86 may be disposed between the second substrate 78 and the electro-optic dielectric 62.

[0032] The electro-optic element 40, as well as the first substrate 74 and the second substrate 78, can be formed from various materials. For example, the first substrate 74 and the second substrate 78 can comprise plastic materials. Plastic materials used for the first substrate 74 and the second substrate 78 can include, but are not limited to, transparent polycarbonate, polyethylene terephthalate (PET), polyamide, acrylic acid, cycloolefins, polyethylene (PEN), metallocene polyethylene (mPE), silicone resin, polyurethane, and various polymeric materials. The first substrate 74 and the second substrate 78 can also be various forms of glass, including but not limited to soda-lime float glass, borosilicate glass, borosilicate glass, or various other compositions. When using glass substrates, the first substrate 74 and the second substrate 78 can be annealed, thermally strengthened, chemically strengthened, partially tempered, or fully tempered. The electro-optic element 40 forming the window panel 22 can be supported by a frame, which can correspond to a partial or complete frame that can be used to support the window panel 22 as needed.

[0033] The first substrate 74 and the second substrate 78, along with one or more protective layers, may be adhered together by one or more crosslinked materials. For example, the crosslinked material may correspond to at least one of the following materials: polyvinyl butyral (PVB), ethylene vinyl acetate (EVA), thermosetting EVA, and thermoplastic polyurethane (TPU). Specific materials are described in this disclosure and may correspond to exemplary materials that can be used as highly crosslinked materials to adhere to one or more of the first substrate 74 and the second substrate 78 and / or additional protective layers or coatings. Therefore, the specific examples described herein should be considered non-limiting examples.

[0034] Depending on the aspects, the electro-optic element 40 may include a memory chemical substance configured to remain transmissive when the vehicle 12 and window control module 42 are inactive (e.g., no active power is supplied from the vehicle 12's power source). That is, the electro-optic element 40 may be implemented as an electrochromic device with persistent color memory, configured to provide current during a transparent period of a considerable time after charging. An example of such a device is discussed in U.S. Patent No. 9,964,828, entitled "ELECTROCHEMICAL ENERGY STORAGE DEVICES," the disclosure of which is incorporated herein by reference in its entirety.

[0035] The electro-optic element 40 may correspond to an electrochromic device configured to change the transmittance of the window panel 22 discussed herein in response to an applied voltage from the window control module 42. Examples of control circuits and related devices that can be configured to provide electrodes and hardware configured to control electro-optic element 40 are generally described in the following documents: U.S. Patent No. 8,547,624, jointly assigned, entitled “VARIABLE TRANSMISSION WINDOW SYSTEM”; U.S. Patent No. 6,407,847, entitled “Electrochromic Medium Having a Color Stabilization”; U.S. Patent No. 6,239,898, entitled “Electrochromic Structures”; U.S. Patent No. 6,597,489, entitled “Electrode Design for Electrochromic Devices”; and U.S. Patent No. 6,597,489, entitled “Electro-Optic WINDOW Incorporating a Discrete”. U.S. Patent No. 5,805,330 to “PHOTOVOLTAICDEVICE”, the entire disclosure of each of which is incorporated herein by reference.Examples of electrochromic devices that can be used in windows are described in U.S. Patent No. 6,433,914, entitled "Color-stabilized Electrochromic Devices"; U.S. Patent No. 6,137,620, entitled "Electrochromic Medium with Concentration-Enhanced Stability, Process for the Preparation Thereof and Use in Electrochromic Devices"; and U.S. Patent No. 6,137,620, entitled "Electrochromic Mirror with Two Thin Glass Elements and a Gelted Electrochromic Medium". U.S. Patent No. 5,940,201 entitled “MEDIUM” and U.S. Patent No. 7,372,611 entitled “VEHICULAR REARVIEW MIRRORELEMENTS AND ASSEMBLIES INCORPORATING THESE ELEMENTS”, the entire disclosure of each of which is incorporated herein by reference. Other examples of variable transmissive windows and systems for controlling them are disclosed in the commonly assigned U.S. Patent No. 7,085,609 entitled “VARIABLE TRANSMISSION WINDOW CONSTRUCTIONS” and U.S. Patent No. 6,567,708 entitled “SYSTEM TO INTERCONNECT, LINK, AND CONTROL VARIABLE TRANSMISSION WINDOWS AND VARIABLE TRANSMISSION WINDOW CONSTRUCTIONS”, each of which is incorporated herein by reference in its entirety. In other embodiments, the electro-optic device may include a suspended particle device, a liquid crystal, or other systems whose transmittance changes with the application of electrical properties.

[0036] refer to Figures 4 to 14BThis document illustrates various components and parts of the connection interface 30, demonstrating a connection interface 30 implemented via radio coupling or connection. This radio coupling can be implemented via nearby induction coils, capacitor banks, energy harvesting (e.g., capturing environmental vibrations, wind, heat, etc. of the vehicle 12), or various other methods of wirelessly achieving electrical coupling between adjacent modules. Therefore, the connection interface 30 can be referred to as a wireless connection interface 30. Generally, the radio coupling discussed with reference to the exemplary specific implementation is achieved by transmitting electrical signals and power between adjacent coupling modules, which are generally referred to herein as a first coupling module 92 and a second coupling module 94. The first coupling module 92 can be connected to a portion of the vehicle 12, such as one of the front roof beam 16a or the rear roof beam 16b. The second coupling module 94 can be connected to a portion of the roof panel 10, such as a portion of the frame 52. Therefore, when the opening 14 of the vehicle 12 is installed and closed, the proximity of the first coupling module 92 and the second coupling module 94 can be positioned and maintained based on the alignment and fixed installation of the roof panel 10.

[0037] Now for reference Figures 4 to 8 The wireless connectivity interface 30 includes a first coupling module 92 fixed to one of the roof beams 16a or 16b and a second coupling module 94 connected to a corresponding portion of the frame 52. The first coupling module 92 is mechanically connected to the roof beams 16a or 16b via one or more fasteners 96. The second coupling module 94 is similarly attached to the frame 52 of the roof panel 10 via fasteners 96 and extends at least partially through a cutout or opening 100 formed in the frame 52. Figure 4 As depicted, the aperture 100 provides a gap for the coupling surface 102 of the second coupling module, extending from a first side 104 of the frame pointing outward from the vehicle to a second side 106 pointing inward from the passenger compartment 24 of the vehicle 12. In this configuration, the coupling surface 102 of the second coupling module 94 is positioned near the corresponding coupling surface 102 of the first coupling module 92. Figure 4 As depicted, in response to the installation of the roof panel 10 of the opening 14 of the closed vehicle 12, the coupling surfaces 102 of each of the coupling modules 92, 94 are aligned and positioned close together. As depicted, the first coupling module 92 is positioned within the gap 108 formed between the top beams 16a, 16b and the frame 52. In this configuration, the alignment of the first coupling module 92 and the second coupling module 94 provides alignment for the radio coupling of the connection interface 30, allowing control signals and / or power transmitted from the control module 42 to be wirelessly transmitted to the electro-optical element 40 to control the transmittance of the window panel 22.

[0038] As discussed, the proximity or distance required to effectively maintain electrical communication between the first coupling module 92 and the second coupling module 94 can vary depending on the technology implemented. In some specific implementations, the coupling modules may include complementary inductive coils (e.g., a transmitter coil and a receiver coil). Generally, the transmitter coil (e.g., module 92) can receive an alternating current that generates an electromagnetic field in its vicinity. When the receiver coil (e.g., 94) is aligned with and positioned close to the transmitter coil, the electromagnetic field transfers electrical energy to the receiver coil, allowing operating power to be wirelessly transferred between the coupling modules 92 and 94 without requiring a physical conductive connection. Although inductive charging has been described in more detail, other forms of wireless charging and transfer, including but not limited to capacitive wireless charging and resonant wireless charging, can be similarly implemented. The range or distance between coupling modules 92 and 94 generally refers to the coupling modules being close to or within a very close proximity. This distance can range from approximately 0.1 mm to 40 mm, and can be from approximately 1 mm to 25 mm. Therefore, in the assembly configuration, the corresponding alignment features (e.g., magnets) and arrangement of the coupling modules 92 and 94 can provide the relative positions of the coupling modules 92 and 94 within a distance range of approximately 0.1 mm to 40 mm, such as... Figure 1A As depicted in the text.

[0039] Now for reference Figures 8 to 11 The diagram illustrates a specific implementation of the connection interface 30, which provides a second coupling module 94 within a tethering attachment 120 flexibly connected to the roof panel 10. By incorporating the second coupling module 94 into the tethering attachment 120, the radio coupling between the first coupling module 92 and the second coupling module 94 can be adjusted independently of the precise alignment of the roof panel 10 and its corresponding attachment to the vehicle 12. The tethering attachment 120 is electrically connected to an electro-optical element 40 in the window panel 22 via a flexible strap 122. Therefore, to ensure alignment between the coupling modules 92 and 94, the tethering attachment 120 can be moved or adjusted without adjusting the connection of the roof panel 10.

[0040] like Figure 10 and Figure 11 As depicted, the first coupling module 92 and the second coupling module 94 include a plurality of alignment magnets 124 aligned with the coupling modules 92 and 94, and securing the tethering attachment 120 to the interior roof portion 126 or the roof liner 128 of the vehicle 12. Figure 10As shown, the first coupling module 92 is enclosed behind the headliner 128 located at the rear of the rear roof beam 16b. Therefore, the first coupling module 92 can be hidden behind the headliner 128 within a closed cavity 130 formed between the headliner 128 and the inner roof portion 126. The tethering attachment 120 can be enclosed within the overmolded housing 132 and suspended from the roof panel 10 via a flexible strap 122, such that when positioned close to the corresponding position of the first coupling module 92 on the headliner 128, the alignment magnet 124 magnetically couples the second coupling module 94 to the first coupling module 92. In this configuration, the connection interface 30 can be aligned for radio coupling. Therefore, with the window control module 42 integrated into the vehicle 12, the vehicle can effectively transmit electrical signals to the electro-optical elements 40 in the window panels of the roof panel 10. In other specific implementations of the window control module 42 integrated into the roof panel 10, electrical power from the vehicle 12 can be transmitted to the window control module to control the electro-optical element 40.

[0041] Now for reference Figures 12 to 13 The specific implementation of the connection interface 30 is shown, demonstrating the second coupling module 94 incorporated in the lever arm 140 of the compression rod 50a, as previously referenced. Figure 2 As discussed, as shown, the first coupling module 92 can be connected to the inner surface 142 of one of the top beams 16a or 16b, such that the first coupling module 92 points outward from the top beam 16a or 16b and aligns with the second coupling module 94 in response to the compression lever 50a being oriented in the closed or latched position 144. Therefore, the second coupling module 94 can be incorporated into the distal portion 146 of the lever arm 140 and can be secured to a side or surface 148 of the lever arm 140 that points towards or faces the inner surface 142 of the vehicle when the lever arm 140 is positioned in the latched position 144.

[0042] like Figures 12 to 13 As shown, the latching engagement of the compression lever 50a, provided by the positioning features 50, allows the roof panel 10 to be aligned within the opening 14 between the front roof beam 16a and the rear roof beam 16b of the vehicle 12. The distal portion 146 of the lever arm 140 is aligned within the vehicle in the latch position 144, such that the position of the second coupling module 94 relative to the first coupling module 92 is inherently generated by the closure of the lever arm 94 in the latch position 144. Therefore, the orientation of the coupling modules 92, 94 forming the wireless connection interface 30 is based on the relationship of the distal portion 146 of the lever arm 140 relative to the roof beams 16a, 16b or similarly the interior roof portion 126 or the roof liner 128, enabling wireless coupling between the coupling modules 92, 94.

[0043] like Figure 13As depicted in the cross-sectional view of the compression rod 50a shown, by applying tension to the pull rod 152, the hook or latch 150 of the compression rod 50a can pull the roof panel 10 against one or more seals formed on the roof beams 16a, 16b of the vehicle into a fixed and compressed position. This pull rod is fixed to the roof beams 16a, 16b or various other structural aspects of the vehicle body 12. Therefore, as shown in various specific implementations of the wireless connectivity interface 30, the modular roof assembly 20 provided by this disclosure can be implemented in a variety of ways to achieve radio coupling of the modular roof assembly 20, such that the window control module 42 can consistently and wirelessly control the electro-optical elements 40 of the window panel 22.

[0044] Now for reference Figures 14A to 14B A block diagram is shown illustrating an exemplary circuit providing radio coupling between a first coupling module 92 and a second coupling module 94. The first coupling module 92 consists of... Figure 14A The circuit diagram shown is illustrated. The first coupling module 92 can correspond to a transmitting module 160 configured to transmit power and control signals to a second coupling module 94, which can be implemented as a receiver module 162. In operation, control signals from the window control module 42 of the vehicle 12 can be communicated via the communication bus 164. Additionally, the transmitting module 160 can receive power from the vehicle via a vehicle power supply 166. The vehicle power supply 166 can be in the range of approximately 9 to 16 volts and can be supplied to an input protection circuit 168. The input protection circuit 168 can prevent power surges associated with the power supply 166 from damaging the circuitry of the transmitting module 160. The input protection circuit 168 can supply a regulated and protected voltage to a power converter 170, which regulates the voltage from the power supply 166 to a stable voltage level (e.g., 20 to 30 volts). The power from the power converter 170 can be supplied to a wireless power transmitter module 172, which can be implemented using various wireless power transmission standards (e.g., Qi, PMA, etc.).

[0045] In operation, control commands from the window control module 42 can be transmitted to the processor 174 via the communication bus 164. The processor 174 can receive and interpret the control commands from the communication bus 164 and supply wireless control commands to the wireless power transmitter module 172. The transmitter module 172 can then output control commands to the transmit coil 176, and wireless communication can then be output from the transmit coil 176 and received by the receiver coil 178 of the receiver module 162.

[0046] Receiver module 162 can transmit control commands detected by receiver coil 178 to wireless power receiver module 180. Wireless power receiver module 180 can be implemented similarly using various radio coupling standards as discussed herein. The received control commands can then be supplied to window control processor 182, which is configured to control the operation of one or more electro-optic drive circuits 184 communicating with electro-optic elements 40 or more. In addition to the control signals supplied from processor 182, operating power for each electro-optic drive circuit in the electro-optic drive circuits 184 can also be supplied from wireless power receiver module 180. In this way, receiver module 162 can receive power and control commands from transmitter module 160 via radio coupling, enabling window control module 42 located in vehicle 12 or removable roof to control electro-optic elements 40 located in window panels 22 of modular roof assembly 20.

[0047] According to one aspect of this disclosure, a window device for a vehicle includes: a removable panel that selectively closes an external opening of the vehicle; a window including an electro-optic device formed within the removable panel, wherein the electro-optic device is configured to adjust the transmittance of the window; and a wireless connection interface connected to an interface surface of the removable panel, wherein the wireless connection interface transmits power or electrical signals from the vehicle to the electro-optic device.

[0048] Depending on the various aspects, this disclosure can implement one or more of the following features or configurations in various combinations:

[0049] - In the assembly configuration, the interface surface is aligned with the top beam located near the external opening of the vehicle;

[0050] - In the assembly configuration, the interface surface is located in the cavity between the removable panel and the vehicle's top beam;

[0051] - The wireless connectivity interface includes multiple connectivity modules, which are aligned within a cavity in an assembly configuration;

[0052] - The connection module includes complementary induction coils configured to wirelessly transmit power or electrical signals between the connection modules;

[0053] - In the assembly configuration where the window panel is connected to the vehicle, the alignment of the connection module electrically couples the vehicle's power supply to at least one terminal of the electro-optical element.

[0054] - The connection module includes a first module and a second module, wherein the first module is connected to the body portion of the vehicle located near the top beam;

[0055] - The second module is integrated into the interface surface with the removable panel;

[0056] - The second module is integrated into a tethering attachment that is coupled to the removable panel via a flexible strap;

[0057] - The connection module includes a second module disposed in the tethering attachment, the second module being maintained in an aligned position relative to the first module via a magnetic interface;

[0058] - The wireless connection interface transmits electrical control signals and power between multiple induction coils or capacitor plates located in the connection module;

[0059] - The second module is incorporated into the latch arm, which is configured to retain the removable panel connected to the vehicle's top beam;

[0060] - In response to the lever arm being in the locked position, the second module is positioned in close proximity to the first module, which is electrically coupled to the wireless connection interface; and / or

[0061] - A removable panel forms the exterior roof panel of the vehicle.

[0062] According to some aspects of this disclosure, a method for controlling a dimmable window element of a vehicle includes: mounting a removable panel to connect to and close an external opening of the vehicle; positioning a first module with a connection interface disposed on the removable panel, based on the mounting, aligned with a second module with a connection interface disposed near a roof beam portion of the vehicle; and wirelessly transmitting at least one of a control signal and power for the dimmable window via the connection interface.

[0063] Depending on the specifics, this disclosure can be implemented in various combinations of one or more of the following features, steps, or configurations:

[0064] The method further includes aligning the first module and the second module of the connection interface by magnetically attracting the first module and the second module; and / or

[0065] The method further includes suspending the first module from a flexible belt, wherein the flexible belt provides the first module to move in response to magnetic attraction to closely approach the second module.

[0066] According to some aspects of this disclosure, a window device for a vehicle includes: a removable panel that selectively closes an external opening of the vehicle; a window including an electro-optic device formed within the removable panel, wherein the electro-optic device is configured to adjust the transmittance of the window; and a wireless connection interface including a first connection module connected to an interface surface of the removable panel and a second connection module connected to the vehicle, the second connection module being located near a top beam configured to receive the removable panel, wherein in an assembly configuration, the connection interface is disposed in a cavity between the removable panel and the top beam of the vehicle.

[0067] Depending on the various aspects, this disclosure can implement one or more of the following features or configurations in various combinations:

[0068] - In the assembly configuration where the window panel is connected to the vehicle, the alignment of the first connecting module and the second connecting module electrically couples the vehicle's power supply to at least one terminal of the electro-optical element; and / or

[0069] - The wireless connection interface transmits at least one of electrical control signals and power between multiple induction coils or capacitor plates disposed in the connection module. It will be understood that any of the described processes or steps within the described process can be combined with other disclosed processes or steps to form a structure within the scope of this device. The exemplary structures and processes disclosed herein are for illustrative purposes and should not be construed as limiting.

[0070] It should also be understood that changes and modifications can be made to the above structure and method without departing from the concept of the apparatus of the present invention. It should also be understood that such concept is intended to be covered by the appended claims unless the wording of the claims expressly states otherwise.

[0071] The above description is only intended to illustrate the embodiments shown. Modifications can be made to the device by those skilled in the art and by those who make or use the device. Therefore, it should be understood that the embodiments shown in the figures and described above are for illustrative purposes only and are not intended to limit the scope of the device, which is defined by the appended claims as interpreted in accordance with the principles of patent law (including the doctrine of equivalents).

Claims

1. A window device for a vehicle, the device comprising: A removable panel that selectively closes an external opening of the vehicle formed between a front roof beam and a rear roof beam adjacent to the windshield of the vehicle, the removable panel including an electro-optic device formed within the removable panel, wherein the electro-optic device is configured to adjust in terms of transmittance; A wireless connection interface is connected to the interface surface of the removable panel, wherein the wireless connection interface transmits power or electrical signals from the vehicle to the electro-optical device. The wireless connection interface is communicatively connected to or wirelessly coupled to a first terminal connected to the vehicle and a second terminal connected to the removable panel; and The removable panel is positioned on the front top beam and the rear top beam via a plurality of positioning features, and the wireless connection interface is incorporated into the positioning features.

2. The window device of claim 1, wherein in the assembly configuration, the interface surface is aligned with the front top beam and the rear top beam located near the external opening of the vehicle.

3. The window device of claim 1, wherein in the assembly configuration, the interface surface is disposed in a cavity between the removable panel and the front and rear roof beams of the vehicle.

4. The window device according to claim 3, wherein the wireless connection interface comprises a plurality of connection modules, the plurality of connection modules being aligned within the cavity in the assembly configuration.

5. The window device of claim 4, wherein the connection module includes a complementary induction coil configured to wirelessly transmit the power or the electrical signal between the connection modules.

6. The window device of claim 4, wherein in the assembly configuration in which the removable panel is connected to the vehicle, the alignment of the connection module electrically couples the power supply of the vehicle to at least one terminal of the electro-optical element of the removable panel.

7. The window device according to claim 4, wherein the connection module includes a first module and a second module, wherein the first module is connected to the vehicle body portion located near the front roof beam and the rear roof beam.

8. The window device of claim 7, wherein the second module is coupled to the interface surface of the removable panel.

9. The window device of claim 7, wherein the second module is incorporated in a fastening attachment coupled to the removable panel via a flexible strap.

10. The window device of claim 9, wherein the connection module includes a second module disposed in the tethering attachment, the second module being maintained in an aligned position relative to the first module via a magnetic interface.

11. The window device according to claim 10, wherein the wireless connection interface transmits electrical control signals and power among a plurality of induction coils or capacitor plates disposed in the connection module.

12. The window device of claim 11, wherein the second module is incorporated in a latch arm configured to retain the removable panel in connection with the front and rear roof beams of the vehicle.

13. The window device of claim 12, wherein in response to the lever arm being in the latched position, the second module is positioned in close proximity to the first module electrically coupled to the wireless connection interface.

14. The device according to any one of claims 1 to 13, wherein the removable panel forms an external roof panel of the vehicle.

15. A method for controlling a dimmable window element for a vehicle, the method comprising: A removable panel is installed to connect to and close an external opening of the vehicle, the external opening being formed between a front top beam and a rear top beam adjacent to the vehicle's windshield. Based on the installation, the first module with the wireless connection interface located on the removable panel is positioned to align with the second module with the wireless connection interface located near the top beam of the vehicle, wherein the wireless connection interface is communicatively connected to or wirelessly coupled to the second terminal connected to the removable panel. At least one of the control signal and power for the dimmable window is wirelessly transmitted via the wireless connection interface; The removable panel is positioned on the front top beam and the rear top beam via a plurality of positioning features, and the wireless connection interface is incorporated into the positioning features.

16. The method according to claim 15, further comprising: The first module and the second module of the wireless connection interface are aligned by magnetic attraction between the first module and the second module.

17. The method according to claim 16, further comprising: The first module is suspended from a flexible belt, wherein the flexible belt provides the first module to move in response to the magnetic attraction to closely approach the second module.

18. A window device for a vehicle, the device comprising: A removable panel that selectively closes an external opening of the vehicle, the external opening being formed between a front top beam and a rear top beam adjacent to the vehicle's windshield; A window, the window including an electro-optic device formed within the removable panel, wherein the electro-optic device is configured to adjust the transmittance of the window; as well as A wireless connection interface is provided, which communicatively connects to or wirelessly couples to a first terminal connected to the vehicle to a second terminal connected to the removable panel. The wireless connection interface includes a first connection module connected to an interface surface of the removable panel and a second connection module connected to the vehicle. The second connection module is located near the front and rear roof beams configured to receive the removable panel. In an assembly configuration, the wireless connection interface is disposed in a cavity between the removable panel and the front and rear roof beams of the vehicle. The removable panel is positioned on the front top beam and the rear top beam via a plurality of positioning features, and the wireless connection interface is incorporated into the positioning features.

19. The window device of claim 18, wherein in the assembly configuration in which the removable panel is connected to the vehicle, the alignment of the first connection module and the second connection module electrically couples the power supply of the vehicle to at least one terminal of the electro-optical element of the removable panel.

20. The window device according to any one of claims 18 to 19, wherein the wireless connection interface transmits at least one of electrical control signals and power among a plurality of induction coils or capacitor plates disposed in the connection module.

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