JPH08146375A - Compound eye display device - Google Patents

Abstract

PURPOSE: To easily store positional information at the time of completing position adjustment in a position information storage means. CONSTITUTION: This device is provided with a fitting detecting part 14, position detecting means 9, 10 for respective parts, a storage control means 18 and a position information storage part 15 and troublesome storage operations in a state in which compound eye display devices are fitted is saved by storing position information of picture display units (a), (b) and picture display parts 1, 2 in a positional information storage part 15 when position adjustments of the picture display units (a), (b) and the picture display parts 1, 2 are completed and by storing the position information at the time automatically in the position information storage part 15 when the position adjustments of the picture display units (a), (b) and the picture display parts 1, 2 are completed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a compound eye display device,
In particular, the present invention relates to an initializing operation such as a base line length and diopter of a head mounted display device (head mounted display-HMD).

[0002]

2. Description of the Related Art Conventionally, in a head-mounted display device, the following methods have been used to adjust the base line length, diopter adjustment and image display position. That is, the first method is a method in which, when the head-mounted display device is worn, the user adjusts each of the left and right eyes while viewing the display image or the test pattern as necessary.

The second method is a further development of the first method, and is provided with storage means for storing one or more initial positions for the base line length, diopter adjustment, and image display position. The initial position corresponding to a specific user is stored in the storage means. Then, the user selects the stored initial position at the time of use so that the base line length, the diopter scale, and the image display position can be appropriately adjusted for a specific individual.

[0004]

SUMMARY OF THE INVENTION In the prior art,
The first method does not have a means for storing the initial position, so that when each part was moved, the user had to re-initialize when mounting. For this reason,
There was a problem that adjustment took a lot of time.

Further, in the second method, in order to solve the problems of the first method, a storage means for the initial position is provided, and the initial position can be stored for each user. However, in this case, since the operation switch for performing the operation of storing the initial position in the storage means is installed outside the display position, there is a problem that the storage operation is troublesome when the compound eye display device is mounted. It was

Further, in the conventional first and second methods, when the positions of the respective parts after the initial position setting are significantly deviated from the positions suitable for the user, it is difficult to know where the eye point is. Therefore, there is a problem that it becomes difficult for the user to set the position of each part.

In view of the above problems, it is an object of the present invention to allow the position information at the end of position adjustment to be stored in the storage means without the user performing a storage operation.

A second object of the present invention is to make it possible to constantly update the position information of each part every time it is mounted.

A third object of the present invention is to prevent an error such as a positional deviation during mounting from being erroneously stored in the position information storage means.

A fourth object of the present invention is to rewrite the position information stored in the position information storage means with new information even when the position of the image display unit or the image display section is changed during mounting. Is to be able to.

An object of the fifth to seventh inventions is to facilitate adjustment of the eye point.

[0012]

The compound eye display device of the present invention is configured so that the base length of the display device for displaying image information, the diopter and the initial position of the image display position can be adjusted, In a head-mounted compound-eye display device provided with a storage unit that stores the baseline length, the diopter adjustment, and the initial position of the image display position, an image display unit for displaying image information, and the image display unit. A plurality of image display units having a focus adjustment unit for moving the position of the image in the focus direction, image display unit moving means for moving the position of each of the image display units, and the user wears the compound eye display device. Attachment detection means for detecting whether or not the position information is detected, position information detection means for detecting position information of the image display unit and the image display portion, and position information detection Position information storage means for storing the position information of the image display unit and the position information of the image display portion detected by a step, and the change of the position of the image display unit and the image display portion by the position information detecting means. And a storage control unit that stores the position information of the image display unit and the image display unit in the position information storage unit when the mounting detection unit detects that the compound eye display device is mounted. are doing.

Another feature of the present invention is that
The position information at that time is stored in the position information storage means even when no position adjustment is made within a predetermined time after the compound eye display device is mounted.

Another feature of the present invention is that the first and second threshold values are provided, and the first and second threshold values and the image display unit or the image display section are provided. And a moving amount comparing means for comparing the moving amount of the image display unit with the moving amount of the focus adjusting section. In the case where it is determined that it is larger than the above, the non-attachment is not detected within a predetermined time thereafter, and when all the movement amounts are smaller than the first and second threshold values, The position information of the image display unit and the image display section is stored in the position information storage means.

Another feature of the present invention is that after the position information of the image display unit and the image display section is stored in the position information storage means, the movement amount comparison means again moves each part. Is the first and second
If it is determined that the value is larger than the threshold value of, the mounting detection by the mounting detection unit and the movement amount detection of each part by the movement amount comparison unit are continued for a predetermined time thereafter, and the non-attachment and the movement are confirmed again. If not, the position information of the image display unit and the image display unit stored in the position information storage means is erased, and the position information after position adjustment is stored in the position information storage means. ing.

Another feature of the present invention is that the initial positions of the image display unit and the image display section are adjusted when the power is turned on, and the positions of the image display unit and the image display section are adjusted. Information is stored in the position information storage means a predetermined number of times, and initial positions of the image display unit and the image display section are calculated based on the position information stored in the position information storage means. An initial position determining means is provided, and the initial positions of the image display unit and the image display unit are determined by the initial position determining means based on a plurality of times of position information stored in the position information storage means. There is.

Another feature of the present invention is that the initial position determining means obtains the initial position from the average value of the position information stored in the position information storage means.

Another feature of the present invention is that the initial position determining means obtains the initial position by weighting the position information stored in the position information storage means. There is.

[0019]

Since the present invention comprises the above technical means, when the user mounts the compound eye display device, the mounting detecting means detects the mounting, and the initial position corresponding to the user is the memory control means. Since it is automatically stored in the position information storage means, the user does not have to perform a troublesome storage operation in a state where the compound eye display device is worn when used, and is stored in the position information storage means. It is possible for the user to optimally adjust the base line length, the diopter scale, and the image display position only by selecting the initial position that the user has.

[0020]

Embodiments of the compound eye display device of the present invention will be described below with reference to the drawings. FIG. 1 shows a block diagram for explaining the configuration of the present invention. In FIG. 1, reference numerals 1 and 2 denote a liquid crystal panel (LCD) for displaying image information, and 3 and 4 an illumination unit (BL: for illuminating the liquid crystal panels 1 and 2).
Backlights) 5 and 6 are optical members for enlarging the image information displayed on the liquid crystal panels 1 and 2 to an appropriate size.

Numerals 7 and 8 are focus adjusting portions for moving the liquid crystal panels 1 and 2 to a focus position with respect to the eyes of the user. The liquid crystal panel, the illumination unit, the optical member, and the focus adjustment unit described above are collectively referred to as image display units (a) and (b).

Next, reference numerals 9 and 10 denote liquid crystal panel position detecting portions for detecting the positions of the liquid crystal panels 1 and 2, which are composed of photo interrupters and the like. Reference numeral 11 denotes an image display unit moving unit for moving the image display units (a) and (b) in the horizontal direction according to the user's baseline length (eye width).

Reference numerals 12 and 13 denote image display unit position detectors composed of a photo interrupter or the like for detecting the positions of the image display units (a) and (b). Reference numeral 14 denotes a mounting detection unit for detecting whether or not the user wears the compound-eye display device of the present embodiment, and is composed of various switches such as a push switch and an optical sensor.

A position information storage unit 15 is provided to store the positions of the image display units (a) and (b) and the liquid crystal panels 1 and 2, and in this embodiment, , EEPROM or the like. Reference numeral 16 denotes a first timer, which includes the image display unit moving unit 11 and the focus adjusting units 7 and 8.
It is for measuring the position detection time.

Reference numeral 17 is a second timer for measuring the unattached time by the attachment detector. Reference numeral 18 denotes the image display units (a) and (b), the image display unit moving unit 11, the mounting detection unit 14, and the position information storage unit 1.
5, a first timer 16 and a second timer 17 for controlling the operation.

The image display unit (a),
(B) and the image display unit moving section 11 are configured as shown in FIGS. 2 and 3. Although only one image display unit (a) is shown in FIG. 2, the configuration of the other image display unit (b) is also the same.

In FIG. 2, 23 is a liquid crystal panel moving knob for moving the liquid crystal panel 1 and the backlight 3. Reference numeral 24 is a moving rail for guiding the liquid crystal panel 1 and the backlight 3 so as to move in a predetermined direction, and 25 is a light shielding plate installed on the liquid crystal panel 1, which is a knob for moving the liquid crystal panel. By 23, when the liquid crystal panel 1 and the backlight 3 move, they follow.

Then, when the light shielding plate 25 crosses the liquid crystal panel position detecting portions 9 and 10 in such a movement, the position is detected by shielding light from a sensor (not shown). There is. Further, as shown in FIG. 3, the image display unit moving section 11 is arranged in each of the image display units (a) and (b), and is rotated by the moving motor 11a and the moving motor 11a. The screw rod 11b and the moving body 11c screwed to the screw rod 11b are included.

The movable body 11c is fixed to one end of the image display units (a) and (b),
When the screw rod 11b rotates in a predetermined direction by driving the moving motor 11a, the moving body 11c screwed to the screw rod 11b moves along the axial direction of the screw rod 11b.

As a result, the image display units (a) and (b) fixed to the moving body 11c move in a predetermined direction as indicated by the arrow in FIG. Then, as described above, the light shielding plate 25 detects each position by crossing a sensor (not shown) and shielding light.

Next, the operation of this embodiment will be described with reference to the flowchart of FIG. First, when the power is turned on, in step S101, the control unit 1
8 reads the position information from the position information storage unit 15,
The image display unit moving unit 11 and the focus adjusting unit 7,
8, the image display units (a) and (b) and the liquid crystal panels 1 and 2 are moved to predetermined initial positions (for example, the midpoint of the adjustment range, the end of the adjustment range, the previous adjustment position, etc.).

Next, in step S102, the control unit 18 starts the first timer 16, and the image display units (a) and (b) or the liquid crystal panels 1 and 2 are started.
The measurement of the time until the movement of is started.

The above-mentioned time measurement is performed only for a predetermined time. In this case, the predetermined time means that the user sets the position of the image display units (a) and (b) and the liquid crystal panels 1 and 2 to display an image. It is a time that can be considered to be fully appreciated. Here, the time is set to about 5 to 10 minutes.

Next, in step S103, the control unit 18 determines whether or not a predetermined time has elapsed since the time measurement by the first timer 16 was started. In S108, the position information at that time is stored in the information storage unit 15, and then the process ends. If the predetermined time has not elapsed as a result of the determination in step S103, the process proceeds to step S104.

In step S104, the control unit 18 causes the liquid crystal panel position detection units 9 and 10 and the image display unit position detection units 12 and 13 to respectively detect the positions of the liquid crystal panels 1 and 2 and the image display unit (a). ),
The position of (b) is detected and compared with the initial position when the power is turned on to calculate the movement amount of each part.

Next, the process proceeds to step S105, the respective calculated movement amounts are compared with a predetermined threshold value, and if any one of them is greater than or equal to the threshold value, it is determined that the position has changed ( Yes in step S105),
In step S107, the first timer 16 is reset to restart the time measurement, and then the process returns to step S102.

As a result of the determination in step S105, if any of the movement amounts is smaller than the threshold value, it is determined that the movement is not performed and the process proceeds to step S106. Detection of mounted / not mounted. Here, since it is considered that the user does not wear the compound-eye display device and the respective parts are not adjusted correctly, the positions of the respective parts at this time are the same as those of the position information storage part 1.
Do not memorize 5

On the other hand, when it is judged by the wearing detection section 14 that the compound eye display device is worn (step S10).
If the user wears the image and adjusts it while watching the image, it is likely that the predetermined time has elapsed (N in step S103).
o) The processes of steps S103 to S106 are repeated to detect the position and the mounting of each part.

As a result of the determination in step S106, if the mounting state is not detected by the mounting detection unit 14, the process proceeds to step S109, the second timer 17 is started, and the unmounted time measurement is started.

Then, in the next step S110, it is detected again whether or not the compound eye display device is mounted. When the attachment is detected before the predetermined time elapses, the process proceeds to step S111 to reset the second timer 17, and then the process returns to step S103 to continue the position detecting operation.

If the result of determination in step S110 is that mounting is not detected, the flow proceeds to step S112 to determine whether or not a predetermined time has elapsed, and if it is determined that it has not elapsed, then step S109. Then, the process returns to step 1 and waits until the time has elapsed, and the above process is performed again.

If it is determined that the predetermined time has elapsed as a result of the determination in step S112, it is considered that the use of the compound eye display device has been interrupted, and the process proceeds to step S113 to turn off the power.

By the way, in other cases, that is,
When the movement of the position of each part is not detected within the predetermined time and the mounting is continuously detected (Yes in step S103), the process proceeds to step S108, and the position detection of each part is performed by the liquid crystal panel position detecting parts 9, 10 described above. And the image display unit position detectors 12 and 13, and the position information is stored in the position information storage unit 15.

Here, the position information storage unit 15 is a memory such as a flash memory, an SRAM, a DRAM (with a battery refresh function), a magnetic recording medium such as a magnetic tape, a floppy disk, a hard disk, an optical disk, a magneto-optical disk, Any of the magneto-optical recording media may be used.

As described above, since the compound-eye display device of this embodiment is provided with the attachment detecting section 14, the position detecting means 9 and 10 of each section, and the position information storing section 15, the image display unit moving section 11 is described. , And the focus adjustment units 7 and 8
After completion of the position adjustment by, the position information storage unit 15 automatically stores the position information of the image display units (a) and (b) and the liquid crystal panels 1 and 2 constituting the image display unit.

As a result, the position information of the image display units (a) and (b) and the liquid crystal panels 1 and 2 can be surely stored in the position information storage section 15 without the user performing a troublesome storage operation. It becomes possible.

Next, a second embodiment of the compound eye display device of the present invention will be described. Since the basic structure of the second embodiment is similar to that of the first embodiment, detailed description of the structure will be omitted and the operation peculiar to this embodiment will be described.

FIG. 5 is a flow chart for explaining the processing procedure of the compound-eye display device of the second embodiment. In addition,
In the second embodiment, regarding the "storage operation (step S202)" shown in the flowchart of FIG.
Operation of position storage in the embodiment (step S102-
This is the same as step S113).

As shown in FIG. 5, when the power is turned on, the process is started. First, the control section 18 causes the step S201.
In the same manner as in the first embodiment, the image display unit moving unit 11 and the focus adjusting units 7 and 8 are used to move the image display units (a) and (b) and the liquid crystal panels 1 and 2 to predetermined initial positions (for example, , The middle point of the adjustment range, the end of the adjustment range, the previous adjustment position, etc.).

Next, in step S202, the position information storage unit 15 stores the position information of the image display units (a) and (b) and the liquid crystal panels 1 and 2 by the storage operation described above.
To memorize. After that, the process proceeds to step S203, and the presence or absence of a position change is detected by the actions of the image display unit position detection units 12 and 13 and the liquid crystal panel position detection units 9 and 10.

Here, the image display units (a) and (b)
When it is confirmed that at least one of the liquid crystal panels 1 and 2 has moved by the threshold value or more, the process returns to step S202, the storage operation is performed again, and the position information is updated as necessary.

Further, as a result of the determination in step S203, if the amount of movement exceeding the threshold value is not recognized in any of the portions, then the "mounting detection operation" is performed.

In the "wearing detection operation", first, in step S
At 204, the attachment detection unit 14 detects whether or not the user is wearing the compound-eye display device. When the mounting is detected, the process returns to step S203, and the position detection of each part is performed again.

If the result of determination in step S204 is that it is not attached, the second timer 17 starts measuring the unattached time. After that, the process proceeds to step S206 to detect attachment. If the mounting is not detected, step S20
Then, the process proceeds to 7 and it is determined whether a predetermined time has elapsed.

As a result of the determination in step S207, if the predetermined time has not elapsed, the process returns to step S206 and the above-described processing is repeated. If the result of determination in step S207 is that a predetermined time has elapsed, it is considered that the use has been interrupted, and the compound eye display device is powered off.

On the other hand, if the result of determination in step S206 is that mounting is detected, the routine proceeds to step S208, where the second
The timer 17 is reset, and then step S20
Return to 3.

As described above, by continuously performing the position detection and the mounting detection, in the present embodiment, the image display units (a) and (b) or the liquid crystal panels 1 and 2 are mounted while the compound eye display device is mounted. The position information can be updated even if the position is changed.

Next, a third embodiment of the compound eye display device of the present invention will be described. The structure of the compound-eye display device of the third embodiment is the same as that of the above-described first and second embodiments, and therefore detailed description of the structure will be omitted and the operation peculiar to this embodiment will be omitted. Will be mainly explained.

The position information storage unit 15 in this embodiment is
It shall have sufficient capacity to store a plurality of position information. The third embodiment relates to the initial position setting method (liquid crystal panel) after the power is turned on in the above-described first and second embodiments, and the details of the operation are shown in FIG.

As shown in FIG. 6, when the power is turned on, the control unit 18 causes the position information storage unit 15 to store the position information a1 for X times (5 times in this embodiment) from the last use.
Read a2, a3, a4 and a5. Then, the average value is calculated by the following (Formula 1). Initial position = (a1 + a2 + a3 + a4 + a5) / 5 (Equation 1) Then, the value obtained by the above (Equation 1) is set as the initial setting position.

Next, the control unit 18 operates the image display unit moving unit 11 and the focus adjusting units 7 and 8 to set the image display units (a) and (b) to the initial setting values obtained by the calculation of (Equation 1). And the liquid crystal panels 1 and 2 are moved.

Instead of calculating the average of the position information for 5 times, as shown in (Equation 2) below, 1/2, 1/4, 1/8 in order from the position setting at the time of the most recent use. , 1 /
There is also a method of weighting and calculating such as 16 and 1/32. Initial position = 1/2 (a1) +1/4 (a2) +1/8 (a3) +1/16 (a4) +1/32 (a4) (Equation 2) Here, a weighting coefficient However, this is not limited to the above-mentioned coefficient, and an arbitrary coefficient can be used.

In this way, by setting the initial position as the average value of the position information of the last five times, even when a plurality of users use the compound-eye display device, the initial position at power-on can be set according to the frequency of use. It is possible to change it, and eyepoint adjustment can be facilitated.

[0064]

As described above, according to the present invention, the mounting detecting means, the position information detecting means,
Since the position information storage means and the storage control means are provided, it is possible to automatically store the position information of the image display unit and the image display section in the position information storage means after the position adjustment by the image display unit moving means and the focus adjustment section is completed. You can
This makes it possible to optimally adjust the base line length, diopter scale, and image display position for a specific individual without the user performing a troublesome memory operation, which greatly improves operability. it can.

According to the second aspect of the invention, the position information of the image display unit and the image display unit is stored in the position information storage means even when the movement of each unit is not detected after the mounting. , The position information of each part can be updated every time it is mounted.

According to the third aspect of the present invention, since the threshold value corresponding to each part is provided as the judgment reference for judging the movement amount, the error such as the positional deviation during mounting is stored in the positional information. It is possible to prevent erroneous storage in the means.

According to the invention described in claim 4, since the position detection is continued even after the position information of each part is stored in the position information storage means, the image display unit or the image display part of the image display unit is being mounted. Even when the position is changed, the position information stored in the position information storage means can be rewritten with new information.

According to the fifth to seventh aspects of the invention, in the case where the positions of the image display unit and the image display unit are set to the initial positions when the power is turned on, the position information storage means stores the predetermined number of times. Memorize the position information of minutes,
Since the initial positions of the image display unit and the image display unit when the power is turned on are the positions calculated based on the plurality of position information stored in the position information storage means, the image display unit and The initial position of the image display unit can be optimally set according to the frequency of use by the user, and the eyepoint can be easily adjusted.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration example of a compound eye display device of the present invention.

FIG. 2 is a schematic configuration diagram of an image display unit.

FIG. 3 is a schematic configuration diagram of an image display unit moving unit.

FIG. 4 is a flowchart showing the operation of the first embodiment.

FIG. 5 is a flowchart showing the operation of the second embodiment.

FIG. 6 is a diagram for explaining a state in which position information is stored a predetermined number of times in position information storage means.

[Explanation of symbols]

 1, 2 Liquid crystal panel 3,4 Back light 5,6 Optical member 7,8 Focus adjustment part 9,10 Liquid crystal panel position detection part 11 Image display unit moving part 12,13 Image display unit position detection part 14 Mounting detection part 15 Position Information storage unit 16 First timer 17 Second timer 18 Control unit 24 Rail 25 Light shield (a) Image display unit (b) Image display unit

Claims (7)

[Claims] 1. A display device for displaying image information is configured so that a base length, a diopter scale and an initial position of an image display position can be adjusted, and the base line length, the diopter scale and the image display position are adjusted. In a head-mounted compound-eye display device provided with a storage unit that stores an initial position, an image display unit for displaying image information, and a focus adjustment unit that moves the position of the image display unit in the focal direction. A plurality of image display units having, an image display unit moving means for moving the position of each of the image display units, and a mounting detection means for detecting whether or not the user wears the compound eye display device. Position information detecting means for detecting the position information of the image display unit and the image display portion, and the image display unit detected by the position information detecting means. Position information storage means for storing the position information of the image display unit and the position information of the image display unit, and the position information detection unit detects changes in the positions of the image display unit and the image display unit, and A compound eye comprising: a storage control unit that stores position information of the image display unit and the image display unit in the position information storage unit when mounting of the compound eye display device is detected by the mounting detection unit. Display device. 2. The compound eye display device according to claim 1, wherein even if no position adjustment is performed within a predetermined time after the compound eye display device is mounted, the position information at that time is stored as the position information storage means. A compound eye display device characterized by being stored in. 3. The compound eye display device according to claim 1 or 2, wherein the first and second threshold values are provided, and the first and second threshold values and the image display unit or the A movement amount comparison unit for comparing the movement amount of the image display unit is provided, and at least one of the movement amount of the image display unit movement unit or the movement amount of the focus adjustment unit has at least one of the first and second movement amounts. In the case where it is determined that it is larger than the threshold value, the non-attachment is not detected within a predetermined time thereafter, and when all the movement amounts are smaller than the first and second threshold values. Is a compound eye display device, wherein position information of the image display unit and the image display unit is stored in the position information storage means. 4. The compound eye display device according to claim 3, wherein after the position information of the image display unit and the image display unit is stored in the position information storage unit, the movement amount comparison unit again stores each unit. When it is determined that the movement is larger than the first and second threshold values, the attachment detection by the attachment detection means and the movement amount detection of each part by the movement amount comparison means are continued for a predetermined time thereafter. ,
If the unattached and the movement are not confirmed again, the position information of the image display unit and the image display unit stored in the position information storage means is deleted,
A compound eye display device, characterized in that position information after position adjustment is stored in the position information storage means. 5. The initial positions of the image display unit and the image display unit are adjusted when the power is turned on, and the position information of the image display unit and the image display unit is stored in the position information storage means a predetermined number of times. The image display unit and the initial position of the image display unit and the image display unit are calculated based on the position information stored in the position information storage unit. 5. The initial position of the image display section is determined by the initial position determination means based on a plurality of times of position information stored in the position information storage means. A compound-eye display device according to item. 6. The compound eye display device according to claim 5, wherein the initial position determining means obtains the initial position from an average value of the position information stored in the position information storing means. 7. The initial position determining means obtains the initial position by performing a weighting operation on the position information stored in the position information storage means.
The compound eye display device according to.