CN116088182B - Head-mounted device - Google Patents
Head-mounted device Download PDFInfo
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- CN116088182B CN116088182B CN202310087344.XA CN202310087344A CN116088182B CN 116088182 B CN116088182 B CN 116088182B CN 202310087344 A CN202310087344 A CN 202310087344A CN 116088182 B CN116088182 B CN 116088182B
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Classifications
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- G—PHYSICS
- G02—OPTICS
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
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- G—PHYSICS
- G02—OPTICS
- 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
- G02B2027/0178—Eyeglass type
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The present disclosure provides a head mounted device. The head-mounted device comprises: a head-mounted display unit; the head-mounted display unit includes: a serial interface; a wireless communication module; a display switching module; the display module is respectively connected with the serial interface, the wireless communication module and the display switching module; a battery; the display switching module is used for enabling the display module to display first display data received from the host device through the serial interface when the head-mounted display unit is connected with the host device through the serial interface; and when the head-mounted display unit is not connected with the host device through the serial interface, causing the display module to display second display data received from the host device through the wireless communication module; the battery is used for supplying power to the head-mounted display unit when the head-mounted display unit is not connected with the host device through the serial interface.
Description
The application relates to a separate application, the application number of the original application is 202010112236.X, the application date is 2020, 02 month and 24 days, and the name is 'head-mounted device'.
Technical Field
The disclosure relates to the technical field of wearable devices, and in particular relates to a head-mounted device.
Background
The head-mounted device may implement different effects such as Virtual Reality (VR), augmented Reality (Augmented Reality, AR), mixed Reality (MR), etc., such as VR glasses, AR glasses, MR glasses, etc., by sending optical signals to the eyes.
The present head-mounted devices can be roughly divided into split type and integrated type in terms of morphology. The integrated equipment integrates all functional modules, including a processor, a battery and the like, and is convenient to carry, but the weight and the volume of the integrated equipment are large, so that the integrated equipment is uncomfortable to wear; and the size of the integrated equipment is limited, and the volume and the capacity of a used battery are limited, so that the duration time of the integrated equipment is shorter; furthermore, since the processor is also integrated in the integrated device, the heat generated by the processor also affects the user experience when the device is running.
The split device includes a main body portion in addition to a head-mounted display portion (hereinafter referred to as a head-mounted display portion). The head display part only comprises necessary functional modules such as a display module, a camera module, an environment sensor module and the like, and the processor, the battery and the like are arranged in the host part. The head display part can be lighter and thinner to a certain extent, and the wearing is more comfortable; in addition, the processor is not arranged on the head display part, so that the problem of uncomfortable wearing caused by overheat of the processor does not occur.
However, in the related art, the split type head-mounted device has the problem that the head-mounted device cannot be used alone because the head-mounted device is connected with the host part through a cable, so that the flexibility is poor, and the user experience is reduced.
It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the present disclosure and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
The disclosure provides a split type head-mounted device and electronic equipment.
Other features and advantages of the present disclosure will be apparent from the following detailed description, or may be learned in part by the practice of the disclosure.
According to one aspect of the present disclosure, there is provided a head-mounted device comprising: a head-mounted display unit; the head-mounted display unit includes: a serial interface; a wireless communication module; a display switching module; the display module is respectively connected with the serial interface, the wireless communication module and the display switching module; a battery; the display switching module is used for enabling the display module to display first display data received from the host device through the serial interface when the head-mounted display unit is connected with the host device through the serial interface; and when the head-mounted display unit is not connected with the host device through the serial interface, causing the display module to display second display data received from the host device through the wireless communication module; the battery is used for supplying power to the head-mounted display unit when the head-mounted display unit is not connected with the host device through the serial interface.
According to one embodiment of the present disclosure, the head mounted device further comprises: the data acquisition module is connected with the serial interface and is used for transmitting acquired data to the host equipment through the serial interface when the head-mounted display unit is connected with the host equipment through the serial interface; wherein the first display data is generated based on the data collected by the data collection module.
According to one embodiment of the present disclosure, the head mounted device further comprises: and the data processing module is respectively connected with the wireless communication module and the display module, and is used for processing the data received from the host equipment through the wireless communication module to obtain the second display data and sending the second display data to the display module for display.
According to one embodiment of the present disclosure, the head mounted device further comprises: the interface detection module is respectively connected with the display switching module and the serial interface and is used for detecting whether the head-mounted display unit is connected with the host equipment through the serial interface; when the head-mounted display unit is detected to be connected with the host device through the serial interface, a first control signal is sent to the display switching module; and when the head-mounted display unit is detected not to be connected with the host device through the serial interface, sending a second control signal to the display switching module.
According to one embodiment of the present disclosure, the display switching module includes: the switch is used for connecting the display module with the serial interface when the first control signal is received; and when the second control signal is received, connecting the display module with the data processing module.
According to one embodiment of the present disclosure, the head mounted device further comprises: the power management system is respectively connected with the battery, the display module, the data processing module and the data acquisition module; the power management system is used for supplying power to the display module and the data processing module based on the electric energy output by the battery when the head-mounted display unit is not connected with the host device through the serial interface; and when the head-mounted display unit is connected with the host device through the serial interface, supplying power to the display module, the data processing module and the data acquisition module based on the electric energy received through the serial interface, and charging the battery based on the electric energy received through the serial interface.
According to one embodiment of the present disclosure, the power management system includes: the system comprises a first power management module, a second power management module, a third power management module and a load switch; the first power management module is respectively connected with the serial interface, the battery, the second power management module and the third power management module; the load switch is connected between the first power management module and the third power management module and is connected with the interface detection module; the second power management module is connected with the display module and the data processing module, and the third power management module is connected with the data acquisition module; the interface detection module is further configured to send a third control signal to the load switch when it is detected that the head-mounted display unit is connected to the host device through the serial interface; when detecting that the head-mounted display unit is not connected with the host device through the serial interface, sending a fourth control signal to the load switch; the first power management module provides the power output by the battery to the second power management module and the third power management module when the head-mounted display unit is not connected with the host device through the serial interface; and when the head-mounted display unit is connected with the host device through the serial interface, providing the power received through the serial interface to the second power management module and the third power management module, and charging the battery based on the power received through the serial interface; the load switch is used for switching on the first power management module and the third power management module when receiving the third control signal; and when a fourth control signal is received, disconnecting the first power management module and the third power management module.
According to one embodiment of the present disclosure, the head mounted device further comprises: an audio processing module and an audio output module; the audio processing module is respectively connected with the audio output module and the wireless communication module, and is used for receiving first audio data through the wireless communication module and outputting the first audio data through the audio output module when the head-mounted display unit is not connected with the host device through the serial interface.
According to one embodiment of the present disclosure, the head mounted device further comprises: a first data conversion module and a second data conversion module; the first data conversion module is respectively connected with the data acquisition module and the serial interface and is used for converting the data acquired by the data acquisition module and transmitting the converted data to the host equipment through the serial interface; the second data conversion module is respectively connected with the display switching module and the serial interface, and is used for converting data received through the serial interface into first display data and sending the first display data to the display module for display.
According to one embodiment of the present disclosure, the head mounted device further comprises: the host unit is used for receiving the data acquired by the data acquisition module through the serial interface, calculating the first display data based on the data and sending the first display data through the serial interface when the host unit is connected with the head-mounted display unit through the serial interface; and when the wireless communication module is not connected with the head-mounted display unit through the serial interface, transmitting the second display data through the wireless communication module.
The head-mounted device provided by the embodiment of the disclosure has the advantages that the head-mounted display unit is provided with the wireless communication module besides the wired serial interface, so that the head-mounted display unit can be used as an accessory of the host device when not connected with the host device through the serial interface, and display data such as simple prompt information and the like sent by the host device through the wireless communication module are displayed. Therefore, the flexibility of using the head-mounted device is enhanced, and the feeling of a user is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure. It will be apparent to those of ordinary skill in the art that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived from them without undue effort.
Fig. 1 is a schematic structural view of a split head-mounted device according to an exemplary embodiment.
Fig. 2A is a schematic diagram of a head mounted display unit according to an example.
Fig. 2B is a schematic diagram of another head mounted display unit according to an example.
Fig. 3 is a schematic diagram illustrating the structure of another head mounted display unit according to an exemplary embodiment.
Fig. 4 is a schematic structural view of still another head mounted display unit according to an exemplary embodiment.
Fig. 5 is a schematic structural view of still another head mounted display unit according to an exemplary embodiment.
Fig. 6 is a schematic structural view of still another head mounted display unit according to an exemplary embodiment.
Fig. 7 is a schematic diagram of an electronic device according to an exemplary embodiment.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in software or in one or more hardware modules or in a first integrated circuit or in a different network and/or processor device and/or microcontroller device.
In the present disclosure, unless explicitly specified and limited otherwise, the terms "connected," "connected," and the like are to be construed broadly, and may be, for example, mechanically connected, electrically connected, or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, or can be communicated between two elements or the interaction relationship between the two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art as the case may be.
Furthermore, in the description of the present disclosure, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
In the related art, compared with the integral type head-mounted device, the split type head-mounted device has the advantages that the head-mounted device is lighter and thinner, more comfortable to wear and the like, but the head-mounted device and the host machine part can be used only after being connected through a cable, so that the head-mounted device cannot be used independently, has poor flexibility and reduces user experience.
Therefore, the embodiment of the disclosure provides a split type headset, when the headset is not connected with the host portion through a cable, the headset may also be connected with the host portion (or other intelligent devices such as a smart phone and a tablet computer) through a wireless communication module (such as a bluetooth interface), and display data such as information prompts and the like sent by the host portion (or the intelligent devices) are received and displayed, and further, the headset may also receive and play audio data through the wireless communication module by the host portion (or the intelligent devices), so as to realize a wireless earphone function.
The head mounted device in the exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic structural view of a split head-mounted device according to an exemplary embodiment.
The head-mounted device 1 as shown in fig. 1 may be, for example, VR glasses, AR glasses, MR glasses, or may also be other smart glasses that can be worn on the head, etc.
Referring to fig. 1, a head mounted device 1 includes: a head mounted display unit 11.
Fig. 2A and 2B are schematic diagrams of different head mounted display units, respectively, according to an example. The head-mounted display unit 11 may be closed as shown in fig. 2A, for example, and be worn on the head of the user as a whole; or may be in the shape of glasses as shown in fig. 2B, having a display portion a and two temples B. It should be noted that the present disclosure is not limited to the shape and/or style of the head mounted display unit 11, and fig. 2A and 2B are only examples and not limited to the present disclosure.
As shown in fig. 1, the head-mounted display unit 11 includes: a serial interface 111, a wireless communication module 112, a display switching module 113, a display module 114, and a battery 115.
The serial interface 111 may be, for example, a USB interface that satisfies the USB 2.0 specification, the USB3.0 specification, and the USB3.1 specification, and includes: micro USB interface or USB TYPE-C interface. The serial interface 111 may be any other type of serial interface that can be used for serial data transmission.
The wireless communication module 112 may include, for example, a bluetooth communication module, a WiFi communication module, a 2G/3G/4G/5G mobile communication module, a high frequency antenna, an optical communication module. An ultrasonic communication module, an ultra-wideband communication module, etc. It should be appreciated that the standards applicable to wireless communications described above include both past and existing standards, as well as future versions and future standards that employ these standards without departing from the scope of this disclosure.
The display module 114 is connected to the serial interface 111, the wireless communication module 112, and the display switching module 113, respectively.
The display switching module 113 is configured to, when the head-mounted display unit 11 is connected to a host device 2 through the serial interface 111, cause the display module 114 to display first display data received from the host device 2 through the serial interface 111; and when the head-mounted display unit 11 is not connected to the host device 2 through the serial interface 111, causing the display module 114 to display the second display data received from the host device 2 through the wireless communication module 112.
The first display data is, for example, a virtual picture obtained by calculation of the host device according to the collected video data, audio data, sensing data and the like.
The second display data is, for example, indication information to be displayed and the like transmitted from the host device to the head-mounted display unit 11.
The battery 115 is used to power the head mounted display unit 11 when the head mounted display unit 11 is not connected to the host device 2 through the serial interface 111.
The battery 115 may be, for example, a thin and flexible battery or the like, so as to reduce the weight of the head-mounted display unit 11, such as a flexible battery.
The flexible battery includes an electrolyte and a separator in addition to the positive and negative electrodes. The positive electrode material may be a layered compound LiMO (M is one or more of metal elements Ni, mn, co, al and the like), such as lithium cobaltate and the like; the negative electrode material can be one or more of graphite, graphene, silicon-based material, tin-based material, lithium titanate and the like; the electrolyte can be liquid electrolyte, solid gel electrolyte, ceramic electrolyte and all-solid polymer electrolyte; in particular, a separator may not be required in an all-solid-state electrolyte. The thickness of the flexible battery is typically 0.5mm, and may be one or more layers of positive and negative electrode combinations, thereby realizing a slim head mounted display unit 11.
Further, the battery 115 may be provided to a connection unit portion of the head-mounted unit 11, such as a portion B in fig. 2A and 2B, for example, to uniformly distribute the weight of the entire head-mounted display unit 21. In order to fully utilize the space of the head mounted display unit 11 to achieve the maximum energy density, the battery 115 may be a shaped battery or a battery packaged by a plurality of shaped cells.
The special-shaped battery consists of a packaging film, a positive plate, a negative plate, an insulating diaphragm, a tab and electrolyte. The shape of the shaped cell may be a regular or irregular geometry; the positive electrode lug and the negative electrode lug of the special-shaped battery can be respectively arranged on the same side face or different side faces of the battery. The shape of the shaped battery includes: circular batteries, C-shaped batteries, arc batteries, hexagonal batteries, fan-shaped batteries, triangular batteries, ultra-thin batteries, etc., the shaped batteries can maximally utilize the space of the detachable connection unit to achieve maximum energy density.
It will be understood by those skilled in the art that the host unit 2 may be a dedicated device that is matched with the head-mounted display unit 11, or the host unit 2 may also be an intelligent electronic device (such as a smart phone, a tablet computer, etc.) that may be connected to the head-mounted display unit 11 through the serial interface 111 and the wireless communication module 112.
The head-mounted device provided by the embodiment of the disclosure has the advantages that the head-mounted display unit is provided with the wireless communication module besides the wired serial interface, so that the head-mounted display unit can be used as an accessory of the host device when not connected with the host device through the serial interface, and display data such as simple prompt information and the like sent by the host device through the wireless communication module are displayed. Therefore, the flexibility of using the head-mounted device is enhanced, and the feeling of a user is improved.
Fig. 3 is a schematic diagram illustrating the structure of another head mounted display unit according to an exemplary embodiment.
As shown in fig. 3, the head-mounted display unit 21 may further include: a data acquisition module 216. The data acquisition module 216 is connected to the serial interface 111, and when the head-mounted display unit 21 is connected to the host device 2 through the serial interface 111, the data acquisition module 216 transmits the acquired data to the host device 2 through the serial interface 111.
The host device 2 calculates the above-described first display data based on the devices acquired by the data acquisition module 216.
Further, the head-mounted display unit 21 may further include: the data processing module 217 is connected to the wireless communication module 112 and the display module 114, processes the data received from the host device 2 via the wireless communication module 112, obtains the second display data, and transmits the second display data to the display module 114 for display.
As described above, the second display data is simple display information sent by the host device 2 through the wireless communication module 112, and the data processing module 217 may be a low-power processor, so as to reduce the power consumption of the head-mounted display unit 21, so as to achieve the purposes of saving power and prolonging the standby time.
With continued reference to fig. 3, the head unit 21 further includes: an interface detection module 218.
The interface detection module 218 is respectively connected with the display switching module 113 and the serial interface 111, and is used for detecting whether the head-mounted display unit 11 is connected with the host device 2 through the serial interface 111; when it is detected that the head-mounted display unit 11 is connected to the host device 2 through the serial interface 111, a first control signal is sent to the display switching module 113; when it is detected that the head-mounted display unit 11 is not connected to the host device 2 through the serial interface 111, a second control signal is transmitted to the display switching module 113.
The display switching module 113 may be implemented as a switch, for example, to connect the display module 114 with the serial interface 111 when receiving the first control signal, that is, to turn on the display module 114 and the serial interface 111 to display the first display data received through the serial interface 111. When the second control signal is received, the display module 114 is connected to the data processing module 217, that is, the display module 114 is turned on to the data processing module 217, so as to display the second display data sent by the data processing module 217.
In practical applications, the detection method of the interface detection module 218 is determined based on the type of the serial interface 111, which is not limited in this disclosure. In addition, the detection method for the different types of serial interfaces 111 is well known to those skilled in the art, and in order to avoid obscuring the present invention, it is not described herein.
With continued reference to fig. 3, the head-mounted display unit 21 further includes: the power management system 219 is connected to the battery 115, the display module 114, the data processing module 217, and the data acquisition module 216, respectively.
The power management system 219 is configured to supply power to the display module 114 and the data processing module 217 based on the power output from the battery 115 when the head-mounted display unit 21 is not connected to the host device 2 through the serial interface 111; when the head-mounted display unit 21 is connected to the host device 2 through the serial interface 111, power is supplied to the display module 114, the data processing module 217, and the data acquisition module 216 based on the power received through the serial interface 111.
Fig. 4 is a schematic structural view of still another head mounted display unit according to an exemplary embodiment. Unlike the head-mounted display unit 21 shown in fig. 3, the power management system 319 in the head-mounted display unit 31 shown in fig. 4 includes: the first power management module 3191, the second power management module 3192, the third power management module 3193, and the load switch 3194.
The first power management module 3191 is connected to the serial interface 111, the second power management module 3192, and the battery 115, and the third power management module 3193 is connected to the first power management module 3191 through the load switch 3194.
The second power management module 3192 is connected with the display module 114 and the data processing module 217 to supply power to the display module 114 and the data processing module 217; the third power management module 3193 is coupled to the data acquisition module 216 to power the data acquisition module 216.
When the head-mounted display unit 31 is not connected to the host device 2 through the serial interface 111, the first power management module 3191 outputs the power output from the battery 115 to the second power management module 3192 and the third power management module 3193.
When the head-mounted display unit 31 is connected to the host device 2 through the serial interface 111, the first power management module 3191 outputs power received through the serial interface 111 to the second power management module 3192 and the third power management module 3193.
The interface detection module 218 is further configured to send a third control signal to the load switch 3194 when it is detected that the head-mounted display unit 11 is connected to the host device 2 through the serial interface 111; when it is detected that the head mounted display unit 11 is not connected to the host device 2 through the serial interface 111, a fourth control signal is transmitted to the load switch 3194.
The load switch 3194, upon receiving the third control signal, turns on the connection between the first power management module 3191 and the third power management module 3193, thereby providing the power received from the serial interface 111 to the data acquisition module 216.
When the load switch 3194 receives the fourth control signal, the connection between the first power management module 3191 and the third power management module 3193 is disconnected, so that the electric energy output by the battery 115 can be further saved, and the purpose of saving electricity is achieved.
Fig. 5 is a schematic structural view of still another head mounted display unit according to an exemplary embodiment.
Referring to fig. 5, unlike the head-mounted display unit 21 shown in fig. 3, the head-mounted display unit 41 shown in fig. 5 further includes: the audio processing module 420 and the audio output module 421.
The audio processing module 420 is connected to the audio output module 421 and the wireless communication module 112, respectively, and is configured to receive the first audio data through the wireless communication module 112 and output the first audio data through the audio output module 421 when the head-mounted display unit 41 is not connected to the host device 2 through the serial interface 111.
The audio output module 421 may include, for example, an audio power amplifier and a speaker.
Audio data may be transferred between the audio processing module 420 and the audio output module 421 through the I2S bus.
The I2S bus is a bus standard established for audio data transmission between digital audio devices (e.g., CD players, digital audio processors, digital television sound systems). The design of independent wires for transmitting clock and data signals is adopted, and by separating the data and clock signals, distortion induced by time difference is avoided, so that the cost for purchasing professional equipment for resisting audio jitter is saved for users, and the method is widely applied to various multimedia systems. The standard I2S bus cable consists of 3 serial conductors: 1 is a Time Division Multiplexed (TDM) data line; 1 is a word select line; 1 is a clock line.
The head-mounted display unit 41 may further realize the function of a wireless earphone when the head-mounted display unit 41 is not connected to the host device 2 through the serial interface 111. The audio data transmitted from the host device 2 is received through the wireless transmission module 112 and output through the audio output module 421.
The audio processing module 420 is also connected to the power management system 219, which is powered by the power management system 219.
The audio processing module 420 may also receive the audio data processed by the host device 2 through the serial interface 111 and output through the audio output module 421. For example, when the virtual screen output from the host device 2 is displayed by the display module 114, audio data in the corresponding screen is transmitted to the audio processing module 420 through the serial interface 111 to be output by the audio output module 421.
In addition, the audio processing module 420 may be further connected to the audio input module 422, receive audio data input through the audio input module 422, and output the audio data through the audio output module 421. The audio input module 422 may include, for example, a microphone and an audio Codec (Codec) that audio encodes data collected by the microphone.
Fig. 6 is a schematic structural view of still another head mounted display unit according to an exemplary embodiment.
Referring to fig. 6, the head-mounted display unit 51 further includes: a first data conversion module 523 and a second data conversion module 524.
The first data conversion module 523 is connected to the data acquisition module 516 and the serial interface 111, and is configured to convert data acquired by the data acquisition module 516, and send the converted data to the host device 2 through the serial interface 111.
As shown in fig. 6, the data acquisition module 516 may include, for example: global shutter camera (global shutter camera) 5161, IMU (Inertial Measurement Unit ) 5162, RGB camera 5163.
Data can be transferred between the stage RGB camera 524 and the first data conversion module 523 between the global shutter camera 5161 and the first data conversion module 523 through MIPI interface specifications.
The MIPI interface specification is an open standard and a specification established by the MIPI alliance for mobile application processors. The purpose is that interfaces inside the mobile phone, such as cameras, display screen interfaces, radio frequency/baseband interfaces and the like, are standardized, so that the complexity of mobile phone design is reduced and the design flexibility is increased. The MIPI multimedia specification is largely divided into three layers, namely an application layer, a protocol layer and a physical layer. The interface is mainly applied to interfaces of cameras, displays and other devices, and comprises a camera interface CSI (Camera Serial Interface), a display interface DSI (Display Serial Interface) and the like.
Data may be transferred between the IMU 5162 and the first data conversion module 523 via an SPI bus.
The SPI bus is a high-speed full duplex synchronous communication bus. The SPI communication principle is simple and works in a master-slave mode, which typically has a master device and one or more slave devices, requiring 4 wires for the master device data input, master device data output, clock signal transmission, and enable signal transmission of the master device output, respectively. Typically the SPI interface is also a control interface for transmitting control signaling.
The first data conversion module 523 converts data received from the global shutter camera 5161, IMU 5162, and RGB camera 5163 into serial data suitable for transmission by the serial interface 111.
The second data conversion module 524 is connected to the display switching module 113 and the serial interface 111, and is configured to convert data received through the serial interface 111 into first display data, and send the first display data to the display module 114 for display.
The second data conversion module 524 may convert serial data received from the serial interface 111 into data conforming to the MIPI DSI interface specification, for example, to send the converted first display data to the display module 114 for display via the MIPI DSI interface specification.
In some embodiments, the headset 1 further comprises: the host device 2.
As described above, the host device may be a computing device that is mated to the head mounted display unit, i.e., the host unit and the head mounted display unit are implemented as a split head mounted device 1. The host device 1 is used for receiving data acquired by the data acquisition module through the serial interface, calculating first display data based on the data and sending the first display data through the serial interface when the host device is connected with the head-mounted display unit through the serial interface; and when the first display data is not connected with the head-mounted display unit through the serial interface, transmitting the second display data through the wireless communication module.
Furthermore, the host unit may also be implemented as an electronic device.
An electronic device 800 according to such an embodiment of the present disclosure is described below with reference to fig. 7. The electronic device 800 shown in fig. 7 is merely an example and should not be construed to limit the functionality and scope of use of embodiments of the present disclosure in any way.
As shown in fig. 7, the electronic device 800 is embodied in the form of a general purpose computing device. Components of electronic device 800 may include, but are not limited to: the at least one processing unit 810, the at least one memory unit 820, and a bus 830 connecting the various system components, including the memory unit 820 and the processing unit 810.
The storage unit 820 may include a readable medium in the form of a volatile storage unit, such as a Random Access Memory (RAM) 8201 and/or a cache memory 8202, and may further include a Read Only Memory (ROM) 8203.
Storage unit 820 may also include a program/utility 8204 having a set (at least one) of program modules 8205, such program modules 8205 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment.
Bus 830 may be one or more of several types of bus structures including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.
The electronic device 800 may also communicate with one or more host devices 700 (e.g., keyboard, pointing device, bluetooth device, etc.), one or more devices that enable a user to interact with the electronic device 800, and/or any device (e.g., router, modem, etc.) that enables the electronic device 800 to communicate with one or more other computing devices. Such communication may occur through an input/output (I/O) interface 850, which I/O interface 850 may include, for example, serial interface 111 described above. Also, electronic device 800 may communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through network adapter 860. As shown, network adapter 860 communicates with other modules of electronic device 800 over bus 830. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with electronic device 800, including, but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like. In addition, the electronic device 800 may further include a wireless communication module 870, as described above, for wirelessly communicating with one or more host devices 700.
It should be noted that although in the above detailed description several modules or units of a device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit in accordance with embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any adaptations, uses, or adaptations of the disclosure following the general principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (8)
1. A head-mounted device, comprising: a head-mounted display unit; the head-mounted display unit includes:
A serial interface;
A wireless communication module;
the display module is respectively connected with the serial interface and the wireless communication module;
The data processing module is respectively connected with the wireless communication module and the display module and comprises a low-power-consumption processor;
a battery;
Wherein, when the head-mounted display unit is connected with a host device through the serial interface, the display module is used for displaying first display data received from the host device through the serial interface; when the head-mounted display unit is not connected with the host equipment through the serial interface, the data processing module is used for processing the data received from the host equipment through the wireless communication module to obtain second display data, and the display module displays the second display data; the first display data is determined by the host device based on at least one of video data, audio data and sensing data; the second display data comprises information to be displayed, which is sent to the head-mounted display unit by the host device;
the battery is used for supplying power to the head-mounted display unit when the head-mounted display unit is not connected with the host device through the serial interface;
When the head-mounted display unit is not connected with the host device through the serial interface, power is supplied to the display module and the data processing module based on the electric energy output by the battery; when the head-mounted display unit is connected with the host device through the serial interface, power is supplied to the display module and the data processing module based on the electric energy received through the serial interface, and the battery is charged based on the electric energy received through the serial interface.
2. The head-mounted device of claim 1, further comprising: the interface detection module is respectively connected with the display switching module and the serial interface and is used for detecting whether the head-mounted display unit is connected with the host equipment through the serial interface; when the head-mounted display unit is detected to be connected with the host device through the serial interface, a first control signal is sent to the display switching module; and when the head-mounted display unit is detected not to be connected with the host device through the serial interface, sending a second control signal to the display switching module.
3. The head-mounted device of claim 2, further comprising: and the data acquisition module is connected with the serial interface and is used for transmitting acquired data to the host equipment through the serial interface when the head-mounted display unit is connected with the host equipment through the serial interface.
4. The head-mounted device of claim 3, wherein the display switching module comprises: the switch is used for connecting the display module with the serial interface when the first control signal is received; and when the second control signal is received, connecting the display module with the data processing module.
5. The head-mounted device of claim 4, wherein the head-mounted device further comprises:
A power management system, the power management system comprising: the system comprises a first power management module, a second power management module, a third power management module and a load switch;
The first power management module is respectively connected with the serial interface, the battery, the second power management module and the third power management module; the load switch is connected between the first power management module and the third power management module and is connected with the interface detection module; the second power management module is connected with the display module and the data processing module, and the third power management module is connected with the data acquisition module;
The interface detection module is further configured to send a third control signal to the load switch when it is detected that the head-mounted display unit is connected to the host device through the serial interface; when detecting that the head-mounted display unit is not connected with the host device through the serial interface, sending a fourth control signal to the load switch;
The first power management module provides the power output by the battery to the second power management module and the third power management module when the head-mounted display unit is not connected with the host device through the serial interface; and when the head-mounted display unit is connected with the host device through the serial interface, providing the power received through the serial interface to the second power management module and the third power management module, and charging the battery based on the power received through the serial interface;
The load switch is used for switching on the first power management module and the third power management module when receiving the third control signal; and when a fourth control signal is received, disconnecting the first power management module and the third power management module.
6. The head-mounted device of claim 1, further comprising: an audio processing module and an audio output module; the audio processing module is respectively connected with the audio output module and the wireless communication module, and is used for receiving first audio data through the wireless communication module and outputting the first audio data through the audio output module when the head-mounted display unit is not connected with the host device through the serial interface.
7. The head-mounted device of claim 3, further comprising: a first data conversion module and a second data conversion module;
The first data conversion module is respectively connected with the data acquisition module and the serial interface and is used for converting the data acquired by the data acquisition module and transmitting the converted data to the host equipment through the serial interface;
the second data conversion module is respectively connected with the display switching module and the serial interface, and is used for converting data received through the serial interface into first display data and sending the first display data to the display module for display.
8. The head-mounted device according to claim 3, wherein the host device is configured to receive data acquired by the data acquisition module through the serial interface when connected to the head-mounted display unit through the serial interface, calculate the first display data based on the data, and transmit the first display data through the serial interface; and when the wireless communication module is not connected with the head-mounted display unit through the serial interface, transmitting the second display data through the wireless communication module.
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| CN202310087344.XA CN116088182B (en) | 2020-02-24 | 2020-02-24 | Head-mounted device |
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| CN202310087344.XA CN116088182B (en) | 2020-02-24 | 2020-02-24 | Head-mounted device |
| CN202010112236.XA CN111308708B (en) | 2020-02-24 | 2020-02-24 | Head-mounted device |
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| CN202010112236.XA Division CN111308708B (en) | 2020-02-24 | 2020-02-24 | Head-mounted device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111308708B (en) | 2023-02-17 |
| CN116088182A (en) | 2023-05-09 |
| CN111308708A (en) | 2020-06-19 |
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