TWI409730B - Head mounted display system - Google Patents

Abstract

A head mounted display system includes a head mounted display apparatus and a data processing apparatus. The head mounted display apparatus includes a head mounted frame, a display apparatus, a first signal emitting device and a second signal emitting device. The display apparatus, the first signal emitting device and the second signal emitting device are disposed at the head mounted frame and there is an interval between the first signal emitting device and the second signal emitting device. The first signal emitting device is adapted to emit a first signal and the second signal emitting is adapted to emit a second signal. Moreover, the data processing apparatus is adapted to receive the first signal and the second signal, calculate position change of the first signal emitting device and the second signal emitting device in each predetermined time interval, and transmit an image signal according to the position change to the display apparatus to let the display apparatus display an image corresponding to the position change.

Description

Head-mounted display system

The present invention relates to an image display system, and more particularly to a head mounted display system.

1 is a schematic view of a conventional head mounted display device. Referring to FIG. 1 , the conventional head mounted display device 100 includes a head mount 110 , a display device (not shown), and a headphone 120 . The headgear 110 is worn on the user's head 50, and the display device is disposed within the headgear 110 and opposite the user's eyes. The headphone 120 is worn on the user's head 50, and the voice output 122 of the headphone 120 is located beside the user's ear.

The above-described head mounted display device 100 can be used in combination with a video processing device such as a game machine, a monitoring system, or a video player. The video processing device transmits the video signal and the audio signal to the display device of the head mounted display device 100 and the headphone 120 to allow the user to view the image displayed by the display device and hear the headphone 120. The sound output by the sound output unit 122.

In the prior art, when the user's head 50 moves or rotates, the image displayed by the display device does not change correspondingly. The conventional head-mounted display device 100 is incapable of providing an interactive function, resulting in poor product competitiveness. In addition, the head mount 110 of the conventional head mounted display device 100 and the headphone 120 are separate components. The user needs to wear the headphone 120 to the head 50 first, and then the head mount 110 is matched. Wear on the head 50. Therefore, the wearing of the conventional head mounted display device 100 is troublesome.

The present invention provides a head mounted display system having an interactive function.

Other objects and advantages of the present invention will become apparent from the technical features disclosed herein.

In order to achieve one or a portion or all of the above or other objects, an embodiment of the present invention provides a head mounted display system including a head mounted display device and a data processing device. The head mounted display device includes a head mounted frame, a display device, a first signal emitting component and a second signal emitting component. The display device, the first signal emitting component and the second signal emitting component are all disposed on the head frame, and the first signal emitting component is spaced apart from the second signal emitting component by a distance. The first signal transmitting component is adapted to emit a first signal, and the second signal transmitting component is adapted to emit a second signal. In addition, the data processing device is adapted to receive the first signal and the second signal, and calculate a position change of the first signal transmitting component and the second signal transmitting component in each preset time interval, and generate an image according to the position change. The signal is transmitted to the display device to cause the display device to display an image corresponding to the change in the position.

In an embodiment of the invention, the data processing device is adapted to calculate a change in position of the first signal emitting element and the second signal emitting element in a two-dimensional space.

In an embodiment of the invention, the data processing device is adapted to calculate a change in position of the first signal emitting element and the second signal emitting element in a three-dimensional space.

In an embodiment of the invention, the data processing device transmits the image signal to the display device through wired transmission or wireless transmission.

In an embodiment of the invention, the first signal and the second signal include an infrared signal, a radio frequency identification (RFID) signal, a bluetooth signal, an ultra wideband (UWB) signal, Electromagnetic wave signal, Wimax signal, Wi-Fi signal or ZigBee signal.

In an embodiment of the invention, the data processing device comprises a computer or a game machine.

In an embodiment of the invention, the display device is a liquid crystal display device, an electrophoretic display device or an organic light emitting diode display device.

In an embodiment of the invention, the head mounted display system further includes a camera. The data processing device is more suitable for controlling the camera to generate a corresponding action according to the position change described above, and the image signal transmitted to the display device is the image signal captured by the camera.

In an embodiment of the invention, the head mounted display device further includes a sound output component disposed on the head frame, and the data processing device is further adapted to transmit an audio signal to the sound output component.

In an embodiment of the invention, the data processing device transmits the audio signal to the sound output component via wired transmission or wireless transmission.

In the embodiment of the present invention, since the head mounted display device has the first signal emitting component and the second signal emitting component, the data processing device can be based on the signals emitted by the first signal transmitting component and the second signal emitting component. Calculating a position change of the first signal transmitting component and the second signal emitting component within a preset time interval, and causing the display device to display an image corresponding to the change of the position. Therefore, the head mounted display system of the embodiment of the present invention can have an interactive function.

The above and other objects, features and advantages of the present invention will become more <RTIgt;

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments. The directional terms mentioned in the following embodiments, such as up, down, left, right, front or back, etc., are only directions referring to the additional drawings. Therefore, the directional terminology used is for the purpose of illustration and not limitation.

2 is a schematic diagram of a head mounted display system in accordance with an embodiment of the present invention. Referring to FIG. 2, the head mounted display system 200 of the present embodiment includes a head mounted display device 210 and a data processing device 220. The head mounted display device 210 includes a head mount 212, a display device 214, a first signal emitting component 216 and a second signal emitting component 218. The display device 214, the first signal emitting component 216 and the second signal emitting component 218 are all disposed on the head frame 212, and the first signal emitting component 216 is spaced apart from the second signal emitting component 218 by a distance.

The headgear 212 described above can be a helmet or other frame that can be worn on the user's head. The display device 214 is disposed at a position opposite to the eyes of the user. The display device 214 may be a liquid crystal display device, an electrophoretic display device, or an organic light emitting diode display device, but is not limited thereto. In addition, the first signal transmitting component 216 and the second signal emitting component 218 are disposed above the head of the user, for example, but not limited thereto. The first signal emitting component 216 is adapted to emit a first signal, and the second signal emitting component 218 is adapted to emit a second signal. The first signal and the second signal may be an infrared signal, a radio frequency identification signal, a Bluetooth signal, an ultra-wideband signal, an electromagnetic wave signal, a Wimax signal, a Wi-Fi signal, a ZigBee signal, or other suitable wireless signal.

The data processing device 220 is adapted to receive the first signal and the second signal, and calculate a position change of the first signal transmitting component 216 and the second signal transmitting component 218 in each preset time interval, and according to the position change An image signal is transmitted to the display device 214 to cause the display device 214 to display an image corresponding to the change in position.

Specifically, the data processing device 220 described above may be a computer, a game machine, or other device having a signal processing function. The image signal transmitted by the data processing device 220 to the display device 214 may be a signal of an analog image or a signal of an actual image. The data processing device 220 includes a signal receiving component (not shown) and a processing unit (not shown). The signal receiving component is configured to receive the first signal and the second signal sent by the first signal transmitting component 216 and the second signal transmitting component 218. The processing unit can be used to calculate a change in position of the first signal transmitting component 216 and the second signal transmitting component 218 within each predetermined time interval. In addition, the data processing device 220 can transmit the image signal to the display device 214 through wired transmission or wireless transmission. In the wired transmission embodiment, the data processing device 220 transmits the image signal to the display device 214 through the wire. In the embodiment of the wireless transmission, the data processing device 220 further includes a signal transmitting component (not shown) for transmitting the image signal, and the display device 214 includes a signal receiving component (not shown) for receiving the image signal. . In addition, the predetermined time interval described above may be adjusted according to the image update frequency of the display device 214. For example, if the display device 214 updates the image every 1/60 second, the preset time interval can be set to 1/60 second. Of course, this value is for example only. In other embodiments, the preset time interval can be adjusted according to different needs.

The following describes how the data processing device 220 causes the display device 214 to display an image corresponding to the change in position according to the change in position of the first signal emitting element 216 and the second signal emitting element 218.

3A and FIG. 3B are schematic diagrams showing the positions of the head mounted display device at time T1 and time T2, respectively, and FIG. 4A and FIG. 4B are the two-dimensional coordinates of the first signal transmitting component and the second signal emitting component at time T1 and time T2, respectively. FIG. 5A and FIG. 5B are schematic diagrams of images displayed by the display device at time T1 and time T2, respectively. Referring first to FIG. 2, FIG. 3A and FIG. 4A, if at time T1, the head mounted display system 200 begins to operate. At this time, the first signal transmitting component 216 and the second signal transmitting component 218 respectively transmit the first signal and the second signal to the data processing device 220, and the data processing device 220 is configured according to the received first signal and the second signal. The relative position between the data processing device 220 and the first signal transmitting component 216 and the second signal transmitting component 218 is positioned (as shown in FIG. 4A). Further, as shown in FIG. 5A, at time T1, the image displayed by the display device 214 includes, for example, a rectangular pattern 215.

Referring to FIG. 3B, the head mounted display device 210 is moved a distance ΔY along the Y axis for a predetermined time interval (eg, time T1 to time T2). At this time, as shown in FIG. 4B, the data processing device 220 calculates the first signal transmitting component 216 and the second signal transmitting component 218 at time T1 according to the first signal and the second signal received at time T1 and time T2. The positional change of the time T2 is to move the above-described distance ΔY along the Y-axis. Then, the data processing device 220 transmits the image signal to the display device 214 according to the position change (as shown in FIG. 5B), so that the display device 214 displays the image corresponding to the change of the position, so that the image viewed by the user can be It changes as the head mounted display device 210 moves. In more detail, since the head mounted display device 210 is moved by the distance ΔY along the Y axis, the rectangular pattern 215 in FIG. 5B is shifted by a distance along the Y axis as compared with FIG. 5A.

3C is a schematic view showing the position of the head-mounted display device at time T2', and FIG. 4C is a view showing the position of the first signal-emitting element and the second-signal-emitting element in two-dimensional coordinates at time T2'. Referring to FIG. 3C and FIG. 4C, the head mounted display device 210 is rotated by an angle θ within a predetermined time interval (eg, time T1 to time T2'). At this time, as shown in FIG. 4C, the data processing device 220 calculates the first signal transmitting component 216 and the second signal transmitting component 218 at time T1 according to the first signal and the second signal received at time T1 and time T2'. The position change to the time T2' is determined, and it is determined that the head mounted display device 210 is rotated by the above-described angle θ. Then, the data processing device 220 transmits the image signal to the display device 214 according to the position change, so that the display device 214 displays the image corresponding to the change of the position, so that the image viewed by the user can follow the head mounted display device. The angle of rotation of 210 changes.

Based on the above, in the head mounted display system 200 of the present embodiment, since the image viewed by the user can be changed according to the user's head motion, the head mounted display system 200 of the present embodiment has an interactive type. The function.

It should be noted that, in the above-described embodiment, the action of the head mounted display device 210 is moved or rotated during each predetermined time interval. In practice, however, the actions within each predetermined time interval may include movement and rotation. In addition, in the above two embodiments, the data processing device 220 calculates the positional change of the first signal transmitting element 216 and the second signal transmitting element 218 in a two-dimensional space, but in other embodiments, data processing The device 220 can also calculate the positional change of the first signal emitting element 216 and the second signal emitting element 218 in a three-dimensional space. That is, in the three-dimensional space coordinates including the X-axis, the Y-axis, and the Z-axis, the data processing device 220 calculates the first position in addition to the positional change of the first signal transmitting element 216 and the second signal transmitting element 218 in the XY plane. The position of the signal emitting element 216 and the second signal emitting element 218 in the XZ or YZ plane changes. In addition, the above method of calculating the position change is merely an example, and the present invention does not limit how to calculate the position change. Furthermore, the number of signal transmitting elements is not limited to two. In other embodiments, the number of signal transmitting elements can be increased as needed.

Referring to FIG. 2 again, in the head mounted display system 200 of the present embodiment, the head mounted display device 210 may further include a sound output component 217 disposed on the head frame 212, and the data processing device 220 is more suitable for transmitting. An audio signal is here to the sound output element 217. The sound output component 217 can be a single ear earphone or a binaural earphone, but is not limited thereto. The sound output member 217 is disposed at a position opposite to the user's ear. The data processing device 220 can transmit the audio signal to the sound output element 217 via wired transmission or wireless transmission. In the wired transmission embodiment, the data processing device 220 transmits the audio signal to the sound output component 217 via the wire. In the wireless transmission embodiment, the data processing device 220 further includes a signal transmitting component (not shown) for transmitting the audio signal, and the sound output component 217 includes a signal receiving component for receiving the audio signal (not shown). ).

Compared with the prior art, the head mounted display device 210 of the present embodiment has the display device 214 and the sound output element 217 disposed on the same head frame 212, so that it is easy to wear. It should be noted that the above-described sound output element 217 is not an essential component of the head mounted display system 200 of the present embodiment.

Figure 6 is a schematic illustration of a head mounted display system in accordance with another embodiment of the present invention. Referring to FIG. 6, the head mounted display system 200 of the present embodiment further includes a camera 230, and the image signal transmitted by the data processing device 200 to the display device 214 is a camera. 230 captured image signals. The data processing device 220 is further adapted to control the camera 230 to generate a corresponding action based on the change in position of the first signal transmitting component 216 and the second signal transmitting component 218. For example, when the head mounted display device 210 is rotated, the data processing device 220 can control the camera 230 to generate a corresponding rotation to allow the user to see images in different places. In other words, the head mounted display system 200' of the present embodiment can be used as a monitoring system. In addition, the number of the cameras 230 described above may be plural.

In summary, the head mounted display system of the embodiment of the present invention has at least the following advantages:

1. Since the head mounted display device has the first signal emitting component and the second signal emitting component, the data processing device can calculate the positional change of the first signal emitting component and the second signal emitting component within a preset time interval, and The display device is caused to display an image corresponding to the change in the position. Therefore, the head mounted display system of the embodiment of the present invention can have an interactive function.

2. Compared with the prior art, the head mounted display device of the embodiment of the present invention has the advantages that the display device and the sound output element are disposed in the same headgear, so that it is easy to wear.

3. In an embodiment in which the head mounted display device has a camera, the data processing device can control the angle of the camera to be adjusted according to the rotation of the head mounted display device, thereby allowing the user to view images in different places. Therefore, the head mounted display system of this embodiment can be used as a monitoring system.

Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the invention, and it is intended to be a part of the invention. The scope of protection of the present invention is therefore defined by the scope of the appended claims. In addition, any of the objects or advantages or features of the present invention are not required to be achieved by any embodiment or application of the invention. In addition, the abstract sections and headings are only used to assist in the search of patent documents and are not intended to limit the scope of the invention.

50. . . User's head

100, 210. . . Head mounted display device

110, 212. . . Headgear

120. . . Headphone

122. . . Sound output

200, 200’. . . Head-mounted display system

214. . . Display device

215. . . Rectangular pattern

216. . . First signal emitting element

217. . . Sound output component

218. . . Second signal emitting element

220. . . Data processing device

230. . . camera

T1, T2, T2’. . . time

1 is a schematic view of a conventional head mounted display device.

2 is a schematic diagram of a head mounted display system in accordance with an embodiment of the present invention.

3A and 3B are schematic diagrams showing the positions of the head mounted display device at time T1 and time T2, respectively.

Fig. 3C is a schematic view showing the position of the head mounted display device at time T2'.

4A and FIG. 4B are schematic diagrams showing the positions of the first signal emitting element and the second signal emitting element in two-dimensional coordinates at time T1 and time T2, respectively.

4C is a schematic view showing the position of the first signal emitting element and the second signal emitting element in two-dimensional coordinates at time T2'.

5A and 5B are schematic diagrams of images displayed by the display device at time T1 and time T2, respectively.

Figure 6 is a schematic illustration of a head mounted display system in accordance with another embodiment of the present invention.

200. . . Head-mounted display system

210. . . Head mounted display device

212. . . Headgear

214. . . Display device

216. . . First signal emitting element

217. . . Sound output component

218. . . Second signal emitting element

220. . . Data processing device

Claims (10)

A head-mounted display system, comprising: a head-mounted display device, comprising: a wearing frame; a display device disposed on the head frame; a first signal transmitting component disposed on the head frame, and adapted Transmitting a first wireless signal; a second signal transmitting component disposed on the head frame and spaced apart from the first signal transmitting component, the second signal transmitting component being adapted to emit a second wireless signal; a data processing device, configured to receive the first wireless signal and the second wireless signal respectively, and calculate the first signal transmitting component and the second signal transmitting component in the predetermined time interval and the data processing device The position of the relative position changes, and an image signal is transmitted to the display device according to the position change, so that the display device displays an image corresponding to the position change. The head mounted display system of claim 1, wherein the data processing device is adapted to calculate a positional change of the first signal emitting element and the second signal emitting element in a two-dimensional space. The head-mounted display system of claim 1, wherein the data processing device is adapted to calculate a positional change of the first signal emitting element and the second signal emitting element in a three-dimensional space. The head-mounted display system of claim 1, wherein the data processing device transmits the image signal to the display device by wire transmission or wireless transmission. The head-mounted display system of claim 1, wherein the first wireless signal and the second wireless signal comprise an infrared signal, a radio frequency identification signal, a Bluetooth signal, an ultra-wideband signal, an electromagnetic wave signal, a Wimax signal, Wi-Fi signal or ZigBee signal. The head mounted display system of claim 1, wherein the data processing device comprises a computer or a game machine. The head mounted display system of claim 1, wherein the display device is a liquid crystal display device, an electrophoretic display device, or an organic light emitting diode display device. The head-mounted display system of claim 1, further comprising a camera, wherein the data processing device is further adapted to control the camera to generate a corresponding action according to the position change, and transmit the image to the display device. The signal is the image signal captured by the camera. The head-mounted display system of claim 1, wherein the head-mounted display device further comprises an audio output component disposed on the head mounted frame, and the data processing device is further adapted to transmit an audio signal to The sound output element. The head mounted display system of claim 9, wherein the data processing device transmits the sound signal to the sound output element by wire transmission or wireless transmission.