JP2011082781A - Head mount display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a head mount display device facilitating control of an image display part. <P>SOLUTION: A circuit 103 which outputs an image signal to an image display part 200 to be arranged in front of the eyes E of a user is provided to a headphone 100, and a remote controller 400 which controls the circuit 103 is made attachable/detachable to the headphone 100 to be attached to the head H of the user. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a head mounted display device.

  2. Description of the Related Art Conventionally, a head-mounted display device that controls a display unit and an audio output unit based on a horizontal swing operation and a vertical swing operation of a user's head detected by a head motion detection unit that detects a user's head motion It is known (see the following patent document).

JP 2009-88971 A

  In the head-mounted display device, the head motion detection unit is mounted on the substrate in the housing together with the control circuit. Therefore, in order to prevent malfunction when controlling the display unit and the like, the head is made larger than a predetermined threshold value. The display unit can be controlled only when it is shaken. However, it is difficult to control the display unit by shaking the head greatly in a narrow place such as a crowded train or bus. Even in a wide place, it is difficult for a user who has a disease in the neck or the like to shake the head greatly to control the display unit.

  The subject of this invention is providing the head mounted display apparatus which can make control of an image display part easy.

  In order to solve the above-described problem, an invention according to claim 1 is provided with a mounting body mounted on a user's head, an image display unit provided on the mounting body and disposed in front of the user's eyes, A control unit that outputs an image signal to the image display unit, and an operation unit that is detachable from the mounting body and controls the control unit.

  According to a second aspect of the present invention, in the head mounted display device according to the first aspect, a first detection unit that detects the movement of the operation unit and outputs the detection result to the control unit is mounted on the operation unit. It is characterized by being.

  According to a third aspect of the present invention, in the head mounted display device according to the second aspect, the first detection unit is detachable from the operation unit and the mounting body.

  According to a fourth aspect of the present invention, in the head mounted display device according to the second or third aspect, the first detection unit is a gyro sensor that detects angular velocities around the X, Y, and Z axes. To do.

  According to a fifth aspect of the present invention, in the head mounted display device according to any one of the first to fourth aspects, the movement of the head of the user is detected, and the detection result is output to the control unit. Two detection parts are provided in the said mounting body, It is characterized by the above-mentioned.

  According to a sixth aspect of the present invention, in the head mounted display device according to the fifth aspect, the second detection unit is a gyro sensor that detects angular velocities around the X, Y, and Z axes.

  According to a seventh aspect of the present invention, in the head mounted display device according to the fifth or sixth aspect, the detection result detected by the first detection unit or the detection result detected by the second detection unit is given priority. It is possible to set whether or not to be performed.

  According to an eighth aspect of the present invention, in the head mounted display device according to any one of the first to seventh aspects, the mounting body is a headband type headphone.

  According to the present invention, the control of the image display unit can be facilitated.

FIG. 1 is a perspective view showing a use state of a head mounted display device according to an embodiment of the present invention. FIG. 2A is a partial cross-sectional view showing a state in which the remote controller is attached to the headphones, and FIG. 2B is a cross-sectional view taken along line 2b-2b in FIG. FIG. 3A is a partial cross-sectional view for explaining a method of removing the remote controller from the headphones, and FIG. 3B is a cross-sectional view taken along line 3b-3b in FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view showing a use state of a head mounted display device according to an embodiment of the present invention.

  The head mounted display device includes a headband type headphone (wearing body) 100 worn on the user's head H and a remote control (operation unit) 400 for controlling a circuit unit (control unit) 103 described later. The headphone 100 is a part other than the remote control 400 of the head mounted display device.

  The headphone 100 includes a headband 102 that is curved along the head H, a mounting portion 110 that is provided at both ends of the headband 102 and includes a circuit portion 103 that outputs an image signal for displaying an image, and a mounting portion. 110 is attached to both ends of the headband 102 via 110, and is slidably supported by a speaker 101 for converting a sound signal into sound and a housing portion 350 attached to the headband 102, and is located in front of the user's face. And an image display unit 200 that is attached to the tip of the arm unit 300 and displays an image based on an image signal.

  The headband 102 can be elastically deformed. When the headband 102 is mounted on the user's head H, the periphery of the user's ears is pressed by the speaker 101 by the elastic force of the headband 102. In addition, a signal line and a power line (not shown) for electrically connecting the circuit unit 103, the speaker 101, the display unit 200, and the headphone side power source (not shown) are provided inside the headband 102. In addition, a power supply is provided with the circuit part 103 in the attachment part 110, for example.

  Although not shown, the circuit unit 103 includes a CPU and a memory that stores data. The CPU reads a predetermined program stored in the memory and executes control of the entire apparatus including the display unit 200 according to the program.

  The attachment unit 110 is provided with a remote control receiving unit 107 and receives a control signal (for example, infrared rays) output from the remote control 400. When the headband 102 is mounted on the user's head H, the remote control receiving unit 107 is located at the lower end of the mounting unit 110 in FIG. The remote control receiving unit 107 includes, for example, a PIN photodiode and a receiving IC. After the signal received by the PIN photodiode is amplified, detection and waveform shaping are performed, and data error correction is performed by the receiving IC.

  The mounting portion 110 includes a mounting body side connection connector 104 that fits with the remote control side connection connector 403 when the remote control 400 is mounted on the mounting portion 110, and a remote control lock claw that can be engaged with a lock claw receiving portion 405 described later of the remote control 400. 105 is provided. In addition, the mounting portion 110 is provided with a remote control unlocking knob 106 for removing the remote control 400 from the mounting portion 110.

  The display unit 200 is disposed in front of the user's eye E when the headband 102 is mounted on the user's head H. In the case of FIG. 1, the display unit 200 is disposed in front of the left eye. Note that a power line (not shown) that supplies power to the display unit 200 and a signal line (not shown) that supplies an image signal to the display unit 200 are provided inside the arm unit 300.

  An operation unit 402 having a plurality of operation buttons 402 a is provided on the remote control substrate 401 of the remote control 400. By operating the operation button 402a, it is possible to input various functions of the head mounted display device, for example, instructions such as play, stop, fast forward, and rewind. Characters (not shown) such as play, stop, fast forward, and rewind are printed in the vicinity of the operation button 402a. A jog dial or lever may be used instead of the operation button 402a.

  In addition, a remote control transmission unit 405 and a gyro sensor (first detection unit) 404 are provided on the remote control substrate 401.

  The remote control transmission unit 405 includes, for example, a transmission IC and an infrared light emitting diode. When the operation unit 402 is operated, the transmission IC intermittently transmits infrared light amplitude-modulated at a frequency of, for example, about 38 kHz as binary digital data.

  The gyro sensor 404 detects angular velocities around the X, Y, and Z axes of the remote control 400. The remote controller 400 detects the angular velocity by the gyro sensor 404 and outputs a control signal to the circuit unit 103. Examples of the gyro sensor 404 include an optical gyro, a mechanical gyro, a vibration gyro, and a piezoelectric gyro. In this embodiment, a piezoelectric gyro is used. Note that the gyro sensor 404 may be modularized so that it can be mounted on either the remote controller 400 or the headphones 100. Further, the gyro sensor may be mounted on the headphones 100 so that the circuit unit 103 can be controlled based on the detection result of any gyro sensor. A gyro sensor (not shown) mounted on the attachment portion 110 is the second detection portion. When the circuit unit 103 receives a control signal from the gyro sensor 404 on the remote controller 400 side, the circuit unit 103 can give priority to the control signal from the gyro sensor on the headphone 100 side. Further, the user can set which of the control signal from the gyro sensor 404 on the remote control 400 side and the control signal from the headphone 100 side has priority.

  A remote controller side connection connector 403 that can be fitted to the mounting body side connection connector 104 is provided on the side surface of the case 410.

  Although not shown, the case 410 has a built-in remote control power source for supplying power to the transmission IC, infrared light emitting diode, and the like. This remote control side power supply can be used as an auxiliary power supply for the headphone side power supply when the remote control 400 is attached to the headphones 100. Note that the user can set whether or not the remote control power source is an auxiliary power source.

  Next, the use of this head mounted display device will be described. When the remote controller 400 is attached to the headphones 100, the user can control the circuit unit 103 by operating the operation button 402a with the right hand or shaking the head H as in the conventional example.

  When the remote controller 400 is detached from the headphones 100, for example, the user points the remote control transmission unit 405 of the remote control 400 held in the right hand toward the remote control reception unit 107 of the headphones 100, operates the operation button 402a, or shakes the remote control 400. In other words, a control signal for controlling the circuit unit 103 can be transmitted to the headphones 100.

  When the remote controller 400 is shaken by hand, the threshold value of angular velocity around the X, Y, and Z axes is set in two stages, and 12 control signals are generated by combining the threshold value and the rotation direction around the X, Y, and Z axes. It can be transmitted to the headphones 100. Note that the angular velocity threshold when the remote controller 400 is attached to the headphones 100 is set to one level.

  Further, the threshold value can be changed depending on when the remote controller 400 is attached to the headphones 100 or when the remote controller 400 is detached from the headphones 100. Although the threshold setting may be fixed, it may be arbitrarily changed on the headphone 100 side.

  2A is a partial cross-sectional view showing a state in which the remote controller 400 is attached to the headphones 100, FIG. 2B is a cross-sectional view taken along line 2b-2b in FIG. 2A, and FIG. FIG. 3B is a cross-sectional view taken along the line 3b-3b in FIG. 3A, illustrating a method for removing from the headphones.

  In the mounting portions 110 located at both ends of the headband 102 (see FIG. 1), a remote control lock claw 105 slidable in the vertical direction and a coil spring 108 that constantly biases the remote control lock claw 105 upward are provided. It has been.

  The remote control lock claw 105 is formed integrally with the remote control lock claw main body portion 105a through which the shaft 106a of the remote control lock release knob 106 is inserted and the remote control lock claw main body portion 105a, and is formed on the surface of the mounting portion 110 facing the remote control 400. The hook portion 105b protrudes outward from the elongated hole 109 extending in the vertical direction in FIG.

  Both ends of the shaft 106a protrude from a long hole 119 formed in the left and right side surfaces of the attachment portion 110 in FIG. 2B and extending in the vertical direction, and a retaining portion 106b is provided at both ends.

  In FIG. 2A, a projection 409 that can be engaged with the hook 105b is formed at the lower end of the remote control 400.

  Next, a method for attaching the remote controller 400 to the headphones 100 and a method for removing it from the headphones 100 will be described with reference to FIGS.

  In order to attach the remote control 400 to the headphones 100, the remote control side connection connector 403 is fitted into the mounting body side connection connector 104, and then the protrusion 409 is engaged with the hook portion 105b. When the protruding portion 409 engages with the hook portion 105b, the remote controller 400 is held at a predetermined position by the spring force of the coil spring 108.

  Further, in order to remove the remote controller 400 from the headphones 100, the retaining portion 106b is pushed as shown by the arrow in FIG. 3B, and the remote control lock claw 105 is pushed down against the spring force of the coil spring 108, and the projection 409 and The engagement with the hook portion 105b is released (see FIG. 3A), and the remote controller 400 may be pulled in a direction away from the headphones 100 (obliquely downward). At this time, the remote control side connection connector 403 is detached from the mounting body side connection connector 104.

  According to this embodiment, since all operations can be performed at hand using the remote controller 400 without shaking the head, the image display unit can be easily controlled.

  In the above embodiment, the control signal output from the remote controller 400 is sent to the headphones 100 using infrared rays. However, a Bluetooth standard transmitter and receiver are provided in the remote controller 400 and the headphones 100, respectively, for example, at a frequency of 2.4 GHz. A control signal may be sent from the remote control 400 to the headphones 100 by wireless communication using a band. Alternatively, the remote controller 400 and the headphones 100 may be connected via a cable (not shown), and a control signal may be sent from the remote controller 400 to the headphones 100 via the cable.

  DESCRIPTION OF SYMBOLS 100: Headphone (wearing body), 103: Circuit part (control part), 105: Remote control lock nail, 105a: Remote control lock nail body, 105b: Hook part, 106: Remote control unlocking knob, 108: Coil spring, 200: Image Display unit, 400: remote control (operation unit), 404: gyro sensor (first detection unit), 409: projection, E: eye, H: head.

Claims (8)

A body to be worn on the user's head;
An image display unit provided on the wearing body and disposed in front of the user's eyes;
A control unit for outputting an image signal to the image display unit;
A head mounted display device comprising: an operation unit that is detachable from the mounting body and controls the control unit.   The head-mounted display device according to claim 1, wherein a first detection unit that detects movement of the operation unit and outputs a detection result to the control unit is mounted on the operation unit.   The head mounted display device according to claim 2, wherein the first detection unit is detachable from the operation unit and the mounting body.   4. The head mounted display device according to claim 2, wherein the first detection unit is a gyro sensor that detects angular velocities around the X, Y, and Z axes.   5. The mounting body is provided with a second detection unit that detects a movement of the user's head and outputs the detection result to the control unit. The head mounted display apparatus of description.   6. The head mounted display device according to claim 5, wherein the second detection unit is a gyro sensor that detects angular velocities around the X, Y, and Z axes.   7. The head mounted display according to claim 5, wherein priority can be set between a detection result detected by the first detection unit and a detection result detected by the second detection unit. apparatus.   The head mounted display device according to claim 1, wherein the mounting body is a headband type headphone.

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