CN109429358B - Wireless connection device for head-mounted display device - Google Patents
Wireless connection device for head-mounted display device Download PDFInfo
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- CN109429358B CN109429358B CN201710525664.3A CN201710525664A CN109429358B CN 109429358 B CN109429358 B CN 109429358B CN 201710525664 A CN201710525664 A CN 201710525664A CN 109429358 B CN109429358 B CN 109429358B
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
Abstract
The invention relates to the technical field of intelligent wearable equipment, in particular to wireless connection equipment for head-mounted display equipment, which comprises a first wireless connection device, a second wireless connection device and a third wireless connection device, wherein the first wireless connection device is used for being connected with a host; the second wireless connecting device is used for connecting with the head-mounted display equipment; the first wireless connection device comprises a first interface and a first wireless communication module, wherein one end of the first interface is used for being connected with the host, and the other end of the first interface is connected with the first wireless communication module; the second wireless connection device comprises a second interface and a second wireless communication module, wherein one end of the second interface is used for being connected with the head-mounted display equipment, and the other end of the second interface is connected with the second wireless communication module. According to the wireless communication system and the wireless communication method, wireless communication can be achieved between the host and the head-mounted display device, and the technical problem that communication between the host and the head-mounted display device is restricted by cables in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of intelligent wearable equipment, in particular to wireless connection equipment for head-mounted display equipment.
Background
A head-mounted display device is a head-mounted virtual display that allows a user to wear it on the head like glasses and can present image information to the user. Head-mounted display devices have been widely used in various fields, such as military, aviation, medicine, games, and sports, among others.
The head-mounted display device needs to be matched with a host computer in the using process. However, in the related art, the head-mounted display device and the host are connected by a cable, and communication is realized through the cable, and the presence of the cable restricts the use area of the head-mounted display device, so that the user wearing the head-mounted display device is not convenient to move.
Disclosure of Invention
In view of the above, the present invention has been made to provide a wireless connection device for a head mounted display device that overcomes or at least partially solves the above-mentioned problems.
The present invention provides a wireless connection device for a head-mounted display device, comprising:
the first wireless connection device is used for connecting with a host;
the second wireless connecting device is used for connecting with the head-mounted display equipment;
the first wireless connection device comprises a first interface and a first wireless communication module, wherein one end of the first interface is used for being connected with the host, and the other end of the first interface is connected with the first wireless communication module;
the second wireless connection device comprises a second interface and a second wireless communication module, one end of the second interface is used for being connected with the head-mounted display equipment, and the other end of the second interface is connected with the second wireless communication module;
when the first wireless connection device is connected with the host and the second wireless connection device is connected with the head-mounted display device, the first interface acquires first information from the host in a first information transmission process of the host sending the first information to the head-mounted display device, the first wireless communication module converts the first information into a first wireless signal and sends the first wireless signal to the second wireless communication module, and the second wireless communication module analyzes the first information from the first wireless signal after receiving the first wireless signal and transmits the first information to the head-mounted display device through the second interface; in a second information transmission process that the head-mounted display device sends second information to the host, the second interface acquires the second information from the head-mounted display device, the second wireless communication module converts the second information into a second wireless signal and sends the second wireless signal to the first wireless communication module, and the first wireless communication module analyzes the second information from the second wireless signal after receiving the second wireless signal and transmits the second information to the host through the first interface.
Preferably, the first interface is a USB3.0 interface.
Preferably, the first wireless communication module and the second wireless communication module are WiGig modules.
Preferably, the method further comprises the following steps:
the external accelerator comprises a third interface, a compressor and a fourth interface;
one end of the third interface is used for being connected with the host, and the other end of the third interface is connected with one end of the fourth interface through the compressor;
the other end of the fourth interface is used for being connected with the host;
when the external accelerator is connected with the host, the third interface acquires the first information from the host in the first information transmission process, the compressor compresses the first information, and the compressed first information is transmitted back to the host through the fourth interface.
Preferably, when the type of the third interface is different from that of the fourth interface, the external accelerator further includes:
a first format converter, the compressor connected with the fourth interface through the first format converter;
and the compressed first information is subjected to format conversion through the first format converter, and the first information subjected to format conversion is transmitted back to the host through the fourth interface.
Preferably, the method further comprises the following steps:
an information processing module comprising a fifth interface, a decompressor and a sixth interface;
one end of the fifth interface is connected with the second interface, and the other end of the fifth interface is connected with one end of the sixth interface through the decompressor;
the other end of the sixth interface is used for being connected with the head-mounted display equipment;
when the information processing module is connected to the head-mounted display device, in the first information transmission process, the fifth interface obtains the first information from the second interface, the decompressor decompresses the first information, and the decompressed first information is transmitted to the head-mounted display device through the sixth interface.
Preferably, the method further comprises the following steps:
and the second interface is respectively connected with the fifth interface and the head-mounted display device through the hub.
Preferably, when the types of the fifth interface and the sixth interface are different, the information processing module further includes:
a second format converter, through which the fifth interface is connected with the decompressor;
the first information is transmitted to the format converter through the fifth interface for format conversion, and the first information after format conversion is transmitted to the decompressor for compression.
Preferably, the first information includes at least one of image information and control information, the second information is helmet characteristic parameter information, and the helmet characteristic parameter information includes at least one of helmet movement information, helmet position information, and eyeball viewing area information.
Preferably, the second wireless connection device further includes:
the USB power supply interface, the one end of USB power supply interface is used for being connected with external power supply, the other end of USB power supply interface be used for with wear-type display device connects.
Preferably, the second wireless connection device further includes:
and the power supply is used for connecting the head-mounted display equipment.
One or more technical solutions in the embodiments of the present invention have at least the following technical effects or advantages:
the wireless connection device for the head-mounted display equipment comprises a first wireless connection device and a second wireless connection device, wherein the first wireless connection device is used for being connected with a host, the second wireless connection device is used for being connected with the head-mounted display equipment, the first wireless connection device comprises a first interface and a first wireless communication module, one end of the first interface is used for being connected with the host, the other end of the first interface is connected with the first wireless communication module, the second wireless connection device comprises a second interface and a second wireless communication module, one end of the second interface is used for being connected with the head-mounted display equipment, the other end of the second interface is connected with the second wireless communication module, when the first wireless connection device is connected with the host and the second wireless connection device is connected with the head-mounted display equipment, in the first information transmission process of sending first information to the head-mounted display equipment by the host, the first interface acquires first information from the host, the first wireless communication module converts the first information into a first wireless signal and sends the first wireless signal to the second wireless communication module, and the second wireless communication module analyzes the first information from the first wireless signal after receiving the first wireless signal and transmits the first information to the head-mounted display equipment through the second interface; in the second information transmission process that the head-mounted display device sends the second information to the host, the second interface acquires the second information from the head-mounted display device, the second wireless communication module converts the second information into a second wireless signal and sends the second wireless signal to the first wireless communication module, the first wireless communication module analyzes the second information from the second wireless signal after receiving the second wireless signal, and transmits the second information to the host through the first interface, thereby realizing wireless communication between the host and the head-mounted display device, and solving the technical problem that the communication between the host and the head-mounted display device is restricted by cables in the prior art.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic diagram of a wireless connection device for a head-mounted display device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an external accelerator according to an embodiment of the invention;
fig. 3 shows a schematic structural diagram of an information processing module in the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The present application provides a wireless connection device for a head-mounted display device, as shown in fig. 1, the wireless connection device for a head-mounted display device includes a first wireless connection device, the first wireless connection device is configured to be connected to a host, a second wireless connection device, and the second wireless connection device is configured to be connected to a head-mounted display device, where the first wireless connection device includes a first interface 101 and a first wireless communication module 102, one end of the first interface 101 is configured to be connected to the host, the other end of the first interface 101 is connected to the first wireless communication module 102, the second wireless connection device includes a second interface 201 and a second wireless communication module 202, one end of the second interface 201 is configured to be connected to the head-mounted display device, and the other end of the second interface 201 is connected to the second wireless communication module 202.
In a specific implementation process, when the first wireless connection device is connected with the host and the second wireless connection device is connected with the head-mounted display device, in a first information transmission process that the host sends first information to the head-mounted display device, the first interface 101 obtains the first information from the host, the first wireless communication module 102 converts the first information into a first wireless signal and sends the first wireless signal to the second wireless communication module 202, and after receiving the first wireless signal, the second wireless communication module 202 analyzes the first information from the first wireless signal and sends the first information to the head-mounted display device through the second interface 201; in a second information transmission process in which the head-mounted display device sends second information to the host, the second interface 201 acquires the second information from the head-mounted display device, the second wireless communication module 202 converts the second information into a second wireless signal and sends the second wireless signal to the first wireless communication module 102, and after receiving the second wireless signal, the first wireless communication module 102 analyzes the second information from the second wireless signal and transmits the second information to the host through the first interface 101.
In the present application, the first wireless connection device is located on the host side, and the second wireless connection device is located on the head-mounted display apparatus side.
In a preferred embodiment, the first wireless communication module 102 and the second wireless communication module 202 are WiGig modules, and the first wireless communication module and the second wireless communication module realize wireless transmission of information through the WiGig modules, so that the transmission efficiency can be guaranteed to be improved under a limited bandwidth.
The structure of the wireless connection device for a head-mounted display device of the present application will be described in detail below from two perspectives of a first information transmission process and a second information transmission process, respectively.
For the first information transmission process, the first information includes at least one of image information and control information, wherein the image information includes at least one of video information and picture information, and the control information includes a control signal for controlling the head-mounted display device by the host.
In this application, because the bandwidth is limited, in order to improve the transmission efficiency of the first information in the first transmission process, the wireless connection device for the head-mounted display device of this application further includes an external accelerator, the external accelerator is located on the host side, as shown in fig. 2, the external accelerator includes a third interface 103, a compressor 104 and a fourth interface 106, one end of the third interface 103 is used for being connected with the host, the other end of the third interface 103 is connected with one end of the fourth interface 106 through the compressor 104, and the other end of the fourth interface 106 is used for being connected with the host, wherein, when the external accelerator is connected with the host, in the first information transmission process, the third interface 103 obtains the first information from the host, the compressor 104 compresses the first information, and the compressed first information is transmitted back to the host through the fourth interface 106. When the types of the third interface 103 and the fourth interface 106 are different, the external accelerator further includes a first format converter 105, the compressor 104 is connected to the fourth interface 106 through the first format converter 105, wherein the compressed first information is subjected to format conversion through the first format converter 105, and the format-converted first information is transmitted back to the host through the fourth interface 106.
Correspondingly, when the first information is compressed in the transmission process, the wireless connection device for the head-mounted display device further comprises an information processing module, the information processing module is positioned at the side of the head-mounted display device, as shown in fig. 3, the information processing module includes a fifth interface 203, a decompressor 205 and a sixth interface 206, one end of the fifth interface 203 is connected to the second interface, the other end of the fifth interface 203 is connected to one end of the sixth interface 206 through the decompressor 205, the other end of the sixth interface 206 is used for connecting to a head-mounted display device, when the information processing module is connected with the head-mounted display device, in the first information transmission process, the fifth interface 203 acquires the first information from the second interface, the decompressor 205 decompresses the first information, and the decompressed first information is transmitted to the head-mounted display device through the sixth interface 206. When the types of the fifth interface 203 and the sixth interface 206 are different, the information processing module further includes a second format converter 204, the fifth interface 203 is connected to the decompressor 205 through the second format converter 204, wherein the first information is transmitted to the second format converter 204 through the fifth interface 203 for format conversion, and the first information after format conversion is transmitted to the decompressor 205 for compression.
The structure of the wireless connection device for the head mounted display device will be further described below with respect to the difference in information contained in the first information.
In this application, the first interface 101 in the first wireless connection device is a USB3.0 interface, and the transmission efficiency can be further improved by using the USB3.0 interface as the first interface 101. The USB3.0 interface can ensure plug and play, and can reduce the limit on the host computer. Even if the mainboard of the host does not support WiGig direct connection, data transmission can be realized through USB3.0, so that the mainboard of the host is not required to support WiGig.
When the first information only contains the image information, the image information is usually compressed to improve the transmission efficiency and avoid the delay and the blockage during the display in the head-mounted display device, and therefore the wireless connection device for the head-mounted display device comprises the external accelerator. Further, the third interface 103 may be an HDMI interface, the fourth interface 106 may be a USB3.0 interface, and since the third interface 103 and the fourth interface 106 are different in type, the external accelerator includes a first format converter 105, so that one end of the HDMI interface is connected to the host, the other end of the HDMI interface is connected to one end of the compressor 104, the other end of the compressor 104 is connected to one end of the USB3.0 interface through the first format converter 105, and the other end of the USB3.0 interface is connected to the host.
For the process of sending the image information on the host side, the external accelerator acquires the image information from the host through the HDMI, the image information is transmitted to the compressor 104 through the HDMI for compression, the compressed image information is subjected to format conversion through the first format converter 105, the image information subjected to format conversion is transmitted back to the host through the USB interface of the external accelerator, then the host transmits the image information subjected to format conversion to the WiGig module of the first wireless connection device through the USB3.0 interface of the first wireless connection device, and the WiGig module of the first wireless connection device sends the image information subjected to format conversion to the second wireless connection device.
Correspondingly, in the above case, since the video information is compressed and converted in format on the host side, the wireless connection device for the head-mounted display device according to the present application includes an information processing module. Further, the second interface is a USB3.0 interface, the fifth interface 203 is a USB3.0 interface, the sixth interface 206 is an HDMI interface, and since the types of the fifth interface 203 and the sixth interface 206 are different, the information processing module includes the second format converter 204, so that one end of the USB3.0 interface of the information processing module is connected to the USB3.0 interface of the first wireless connection device, the other end of the USB3.0 interface of the information processing module is connected to one end of the second format converter 204, the other end of the second format converter 204 is connected to one end of the HDMI interface of the information processing module through the decompressor 205, and the other end of the HDMI interface of the information processing module is connected to the head-mounted display device.
For the process of receiving the video information at the head-mounted display device side, the WiGig module of the second wireless connection device receives the format-converted video information sent by the WiGig module of the first wireless connection device, the format-converted video information is transmitted to the second format converter 204 through the USB3.0 interface of the second wireless connection device and the USB3.0 interface of the information processing module for format conversion, the format-converted video information is decompressed by the decompressor 205, and the decompressed video information is transmitted to the head-mounted display device through the HDMI interface of the information processing module.
In a specific embodiment, the information processing module may be integrated into the second wireless connection device.
When the first information contains only the control information, the control information can be transmitted without compression because the data amount of the control information is generally small. Correspondingly, the control information does not need to be decompressed after transmission to the second radio connection device. Therefore, the wireless connection device for the head-mounted display device of the present application may not include the external accelerator and the information processing module, that is, the wireless connection device for the head-mounted display device of the present application includes the first wireless connection device and the second wireless connection device, and further, the first interface 101 and the second interface 201 are both USB3.0 interfaces.
For the transmission process of the control information, the USB3.0 interface of the first wireless connection device acquires the control information from the host, the control information is sent through the WiGig module of the first wireless connection device, the WiGig module of the second wireless connection device receives the control information, and the USB3.0 interface of the second wireless connection device transmits the control information to the head-mounted display equipment, so that the waste of host resources caused by compressing the control information is avoided.
When the first information includes not only the video information but also the control information, only the video information may be compressed without compressing the control information, and therefore, the wireless connection device for a head-mounted display device of the present application includes: the system comprises a first wireless connection device, a second wireless connection device, an external accelerator, an information processing module and a concentrator, wherein the information processing module is connected with a second interface 201 of the second wireless connection device through the concentrator, and the concentrator is used for expanding the second interface 201. Specifically, the first wireless connection device includes a first interface 101 and a first wireless communication module 102, the second wireless connection device includes a second interface 201 and a second wireless communication module 202, the external accelerator includes a third interface 103, a compressor 104, a first format converter 105 and a fourth interface 106, the information processing module includes a fifth interface 203, a second format converter 204, a decompressor 205 and a sixth interface 206, one end of the first interface 101 is connected with the host, the other end of the first interface 101 is connected with the first wireless communication module 102, one end of the third interface 103 is connected with the host, the other end of the third interface 103 is connected with one end of the compressor 104, the other end of the compressor 104 is connected with one end of the fourth interface 106 through the first format converter 105, the other end of the fourth interface 106 is connected with the host, one end of the second interface 201 is connected with the second wireless communication module 202, the other end of the second interface 201 is connected to one end of the head mounted display device and one end of the fifth interface 203 through a hub, the other end of the fifth interface 203 is connected to one end of the decompressor 205 through the second format converter 204, the other end of the decompressor 205 is connected to the head mounted display device through the sixth interface 206, the first interface 101, the second interface 201, the fourth interface 106 and the fifth interface 203 are USB3.0 interfaces, the hub is a USB3.0 hub, and the third interface 103 and the sixth interface 206 are HDMI interfaces.
For the process of sending the image information and the control information at the host side, the HDMI interface of the external accelerator obtains the image information from the host, the image information is compressed by the compressor 104, the compressed image information is format-converted by the first format converter 105, the format-converted image information is transmitted back to the host through the USB3.0 interface of the external accelerator, the host transmits the format-converted image information to the WiGig module of the first wireless connection device through the USB3.0 interface of the first wireless connection device, the WiGig module of the first wireless connection device sends the format-converted image information to the second wireless connection device, meanwhile, the control information in the host is transmitted to the WiGig module of the first wireless connection device through the USB3.0 interface of the first wireless connection device, and the WiGig module of the first wireless connection device sends the control information to the second wireless connection device.
For the receiving process of the image information and the control information at the side of the head-mounted display device, the WiGig module of the second wireless connection device receives the format-converted image information sent by the WiGig module of the first wireless connection device, the format-converted image information is transmitted to the second format converter 204 through the USB3.0 interface of the second wireless connection device, the hub and the USB3.0 interface of the information processing module in sequence for format conversion, the format-converted image information is decompressed through the decompressor 205, the decompressed image information is transmitted to the head-mounted display device through the HDMI interface of the information processing module, meanwhile, the WiGig module of the second wireless connection device receives the control information sent by the WiGig module of the first wireless connection device, the control information is transmitted to the head-mounted display device through the USB3.0 interface of the second wireless connection device and the hub in sequence, the hub and the head-mounted display device are connected through a USB3.0 interface, and can also be connected through other interfaces. Therefore, not only can the occupation of the bandwidth be saved, the transmission efficiency be improved, the delay and the blockage of the image information in the transmission process can be avoided, but also the waste of the compression control information on the host resources can be avoided.
In a specific embodiment, the information processing module and the hub may be integrated into the second wireless connection device.
Although the above-described three embodiments are preferred embodiments, in practice, when the first information includes only video information, the video information may not be compressed; for the case that the first information only contains the control information, the control information may be compressed; under the condition that the first information contains the image information and the control information, the image information and the control information can be compressed, or the image information and the control information are not compressed, and the technical problem that the communication between the host and the head-mounted display equipment is restricted by cables can be solved by adopting the scheme.
For the second information transmission process, the second information is helmet characteristic parameter information, and the helmet characteristic parameter information includes at least one of helmet movement information, helmet position information, and eyeball viewing area information.
In the present application, a head-mounted display device includes at least one of a gyroscope, a positioning module, and an eye tracking sensor. Can gather through the gyroscope and obtain helmet motion information, can gather through orientation module and obtain helmet positional information, can gather through eyeball tracking sensor and obtain eyeball viewing zone information.
In a specific implementation process, the second wireless connection device first obtains the helmet characteristic parameter information from the head-mounted display device through the second interface 201, and then sends the helmet characteristic parameter information to the first wireless connection device 102 through the second wireless communication module 202.
When the wireless connection device for the head-mounted display device transmits control information to the head-mounted display device through the second interface 201, the hub and the connection interface between the hub and the head-mounted display device, for the transmission process of the second information, the interface connected with the head-mounted display device in the hub acquires helmet characteristic parameter information from the head-mounted display device, the helmet characteristic parameter information is transmitted to the second wireless communication module 202 through the hub and the second interface 201 in sequence, and finally the helmet characteristic parameter information is transmitted to the first wireless connection device 102 through the second wireless communication module 202.
In addition, the second wireless connection device further comprises a USB power supply interface, one end of the USB power supply interface is used for being connected with an external power supply, the other end of the USB power supply interface is used for being connected with the head-mounted display device, and when one end of the USB power supply interface is connected with the external power supply and the other end of the USB power supply interface is connected with the head-mounted display device, the external power supply can supply power to the head-mounted display device.
In addition, the second wireless connection device further comprises a power supply, the power supply is used for connecting the head-mounted display equipment, and the second wireless connection device can independently supply power to the head-mounted display equipment through the built-in power supply in the second wireless connection device.
In summary, the wireless connection device for a head-mounted display device of the present application includes a first wireless connection device and a second wireless connection device, the first wireless connection device is configured to be connected to a host, the second wireless connection device is configured to be connected to the head-mounted display device, the first wireless connection device includes a first interface and a first wireless communication module, one end of the first interface is configured to be connected to the host, the other end of the first interface is connected to the first wireless communication module, the second wireless connection device includes a second interface and a second wireless communication module, one end of the second interface is configured to be connected to the head-mounted display device, and the other end of the second interface is connected to the second wireless communication module, wherein when the first wireless connection device is connected to the host and the second wireless connection device is connected to the head-mounted display device, during a first information transmission process in which the host sends first information to the head-mounted display device, the first interface acquires first information from the host, the first wireless communication module converts the first information into a first wireless signal and sends the first wireless signal to the second wireless communication module, and the second wireless communication module analyzes the first information from the first wireless signal after receiving the first wireless signal and transmits the first information to the head-mounted display equipment through the second interface; in the second information transmission process that the head-mounted display device sends the second information to the host, the second interface acquires the second information from the head-mounted display device, the second wireless communication module converts the second information into a second wireless signal and sends the second wireless signal to the first wireless communication module, the first wireless communication module analyzes the second information from the second wireless signal after receiving the second wireless signal, and transmits the second information to the host through the first interface, thereby realizing wireless communication between the host and the head-mounted display device, and solving the technical problem that the communication between the host and the head-mounted display device is restricted by cables in the prior art.
The algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose systems may also be used with the teachings herein. The required structure for constructing such a system will be apparent from the description above. Moreover, the present invention is not directed to any particular programming language. It is appreciated that a variety of programming languages may be used to implement the teachings of the present invention as described herein, and any descriptions of specific languages are provided above to disclose the best mode of the invention.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The various component embodiments of the invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functionality of some or all of the components of a gateway, proxy server, system according to embodiments of the present invention. The present invention may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present invention may be stored on computer-readable media or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words second, third, etc. do not denote any order. These words may be interpreted as names.
Claims (4)
1. A wirelessly connected device for a head mounted display device, comprising: the system comprises a first wireless connection device, a second wireless connection device, an external accelerator, an information processing module and a hub;
the first wireless connection device is used for connecting with a host;
the second wireless connection device is used for being connected with the head-mounted display equipment;
the first wireless connection device comprises a first interface and a first wireless communication module, wherein one end of the first interface is used for being connected with the host, and the other end of the first interface is connected with the first wireless communication module;
the second wireless connection device comprises a second interface and a second wireless communication module, one end of the second interface is used for being connected with the head-mounted display equipment, and the other end of the second interface is connected with the second wireless communication module;
the first wireless communication module and the second wireless communication module are wireless gigabit (WiGig) modules;
the external accelerator comprises a third interface, a compressor, a first format converter and a fourth interface, wherein one end of the third interface is connected with the host, the other end of the third interface is connected with one end of the compressor, the other end of the compressor is connected with one end of the fourth interface through the first format converter, and the other end of the fourth interface is connected with the host;
the information processing module comprises a fifth interface, a second format converter, a decompressor and a sixth interface, wherein one end of the second interface is connected with the second wireless communication module, the other end of the second interface is respectively connected with the head-mounted display device and one end of the fifth interface through the hub, the other end of the fifth interface is connected with one end of the decompressor through the second format converter, and the other end of the decompressor is connected with the head-mounted display device through the sixth interface;
for the process of sending the image information on the host side, the external accelerator acquires the image information from the host through the HDMI, the image information is transmitted to the compressor through the HDMI for compression, the compressed image information is subjected to format conversion through the first format converter, the image information subjected to format conversion is transmitted back to the host through the USB interface of the external accelerator, the host transmits the image information subjected to format conversion to the WiGig module of the first wireless connection device through the USB3.0 interface of the first wireless connection device, and the WiGig module of the first wireless connection device sends the image information subjected to format conversion to the second wireless connection device;
for the process that the image information is received at the side of the head-mounted display device, the WiGig module of the second wireless connection device receives the image information after format conversion sent by the WiGig module of the first wireless connection device, the image information after format conversion is transmitted to a second format converter through a USB3.0 interface of the second wireless connection device and a USB3.0 interface of the information processing module for format conversion, the image information after format conversion is decompressed through a decompressor, and the decompressed image information is transmitted to the head-mounted display device through an HDMI interface of the information processing module;
when the first information only contains the control information, the control information is directly sent without being compressed; when the first information includes not only the video information but also the control information, only the video information is compressed without compressing the control information.
2. The wirelessly connected device of claim 1, wherein the first interface is a universal serial bus 3.0(USB3.0) interface.
3. The wireless connection device of claim 1, wherein the second wireless connection means further comprises:
the USB power supply interface, the one end of USB power supply interface is used for being connected with external power supply, the other end of USB power supply interface be used for with wear-type display device connects.
4. The wireless connection device of claim 1, wherein the second wireless connection means further comprises:
and the power supply is used for connecting the head-mounted display equipment.
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