WO2017201960A1 - Procédé et dispositif de régulation et lunettes de réalité virtuelle - Google Patents

Procédé et dispositif de régulation et lunettes de réalité virtuelle Download PDF

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Publication number
WO2017201960A1
WO2017201960A1 PCT/CN2016/103279 CN2016103279W WO2017201960A1 WO 2017201960 A1 WO2017201960 A1 WO 2017201960A1 CN 2016103279 W CN2016103279 W CN 2016103279W WO 2017201960 A1 WO2017201960 A1 WO 2017201960A1
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Prior art keywords
objective lens
voltage value
screen
adjustment
adjustment amount
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PCT/CN2016/103279
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English (en)
Chinese (zh)
Inventor
朱涛
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中兴通讯股份有限公司
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Publication of WO2017201960A1 publication Critical patent/WO2017201960A1/fr

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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
    • 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
    • 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
    • G02B27/0149—Head-up displays characterised by mechanical features
    • 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
    • G02B27/0149—Head-up displays characterised by mechanical features
    • G02B2027/0161—Head-up displays characterised by mechanical features characterised by the relative positioning of the constitutive elements
    • 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
    • G02B27/0149—Head-up displays characterised by mechanical features
    • G02B2027/0161—Head-up displays characterised by mechanical features characterised by the relative positioning of the constitutive elements
    • G02B2027/0163—Electric or electronic control thereof
    • 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

Definitions

  • the present invention relates to the field of communications, and in particular to an adjustment method, apparatus, and virtual reality glasses.
  • part of the virtual reality glasses has a hand animal mirror adjustment function, and the above-mentioned visual effect blurring problem is overcome by the user manually adjusting the objective lens.
  • the existing manual mediation solution cannot be truly convenient, and the objective lens adjustment knob is generally located on the inner side close to the side of the glasses, and cannot be adjusted multiple times in the case where the glasses have been worn.
  • the adjustment and verification adjustment effects require repeated removal of the glasses. This process is time consuming and labor intensive, and the user experience is poor.
  • the embodiment of the invention provides an adjustment method, a device and a virtual reality glasses to solve at least the problem that the method of manually adjusting the objective lens of the virtual reality glasses in the related art is inconvenient and time-consuming and laborious.
  • an adjustment method comprising: acquiring a reflected voltage value of a reflected signal of an optical signal of a preset voltage; and obtaining the reflected voltage value according to the obtained reflected voltage value and adjusting the objective lens Determining an adjustment amount corresponding to the acquired reflected voltage value for adjusting a relative position between the objective lens and the screen according to a predetermined relationship between the adjustment amounts of the relative positions between the screens; adjusting according to the determined adjustment amount The relative position between the objective lens and the screen.
  • the method before acquiring the reflected voltage value of the reflected signal of the optical signal that reflects the preset voltage, the method further includes: adjusting a divergence angle of the emitted optical signal, where the optical signal covers the human Eye retina.
  • the method further includes: determining, according to the visual force value, the reference reflected voltage value v, and the reference position adjustment amount l, the reflected voltage value and the relative between the objective lens and the screen.
  • the reference reflected voltage value v is an optical signal corresponding to the optical signal of the retina reflecting the preset voltage when the objective lens is at the reference position a reflected voltage value
  • the reference position adjustment amount l being a position adjustment amount of the objective lens and/or the screen with respect to the reference position when the preset sharpness is reached.
  • determining, according to the visual velocity value, the reference reflected voltage value v, and the reference position adjustment amount l, the reflected voltage value and the adjustment amount for adjusting a relative position between the objective lens and the screen includes: determining the predetermined relationship between the reflected voltage value and the adjustment amount for adjusting a relative position between the objective lens and the screen by the following formula: Wherein, V is a reflected voltage value, L is an adjustment amount for adjusting a relative position between the objective lens and the screen, and k1 is a reference reflected voltage value v and a sample corresponding to the sampled apparent velocity value within a predetermined visual velocity range.
  • the mean value of the ratio of the apparent velocity values; k2 is the mean value of the ratio of the position adjustment amount l corresponding to the sampled apparent velocity value to the sampled apparent velocity value in the range of the predetermined apparent velocity.
  • adjusting the relative position between the objective lens and the screen according to the determined adjustment amount comprises: according to the determined adjustment amount, and for moving the objective lens and/or the screen Corresponding relationship between the moving distance of the stepping motor and the adjusting voltage of the stepping motor, determining an adjustment voltage corresponding to the adjustment amount; adjusting the relative relationship between the objective lens and the screen by adjusting the adjustment voltage position.
  • an adjustment apparatus comprising: an acquisition module configured to acquire a reflected voltage value of a reflected signal of an optical signal of a preset voltage; a first determining module configured to be according to the acquired a reflected voltage value, and a predetermined relationship between the reflected voltage value and an adjustment amount for adjusting a relative position between the objective lens and the screen, determining a relative position between the objective lens and the screen corresponding to the acquired reflected voltage value Adjustment amount; first adjustment module, set The relative position between the objective lens and the screen is adjusted according to the determined adjustment amount.
  • the apparatus further includes a second adjustment module configured to adjust a divergence angle of the emitted optical signal for the optical signal to cover a retina of the human eye.
  • the device further includes: a second determining module, configured to determine the reflected voltage value and the relative position between the objective lens and the screen according to the visual velocity value, the reference reflected voltage value v, and the reference position adjustment amount l
  • the predetermined relationship between the adjustment amounts wherein the reference reflected voltage value v is a reflection corresponding to an optical signal of the retina reflecting the preset voltage when the objective lens is at the reference position
  • the voltage value, the reference position adjustment amount l is a position adjustment amount of the objective lens and/or the screen with respect to the reference position when the preset sharpness is reached.
  • the second determining module is further configured to determine, by using a formula, the predetermined relationship between the reflected voltage value and the adjustment amount for adjusting a relative position between the objective lens and the screen:
  • V is a reflected voltage value
  • L is an adjustment amount for adjusting a relative position between the objective lens and the screen
  • k1 is a reference reflected voltage value v and a sample corresponding to the sampled apparent velocity value within a predetermined visual velocity range.
  • the mean value of the ratio of the apparent velocity values; k2 is the mean value of the ratio of the position adjustment amount l corresponding to the sampled apparent velocity value to the sampled apparent velocity value in the range of the predetermined apparent velocity.
  • the apparatus further includes: a third determining module configured to adjust the moving distance of the stepping motor and the adjustment of the stepping motor according to the determined adjustment amount, and the stepping motor for moving the objective lens and/or the screen Determining a voltage corresponding to the adjustment amount; the first adjustment module is further configured to adjust a relative position between the objective lens and the screen by adjusting the adjustment voltage.
  • a storage medium is also provided.
  • the storage medium is configured to store program code for performing a step of: obtaining a reflected voltage value of a reflected signal of the optical signal of the preset voltage; and according to the obtained reflected voltage value, and the reflected voltage value and for adjusting the objective lens and the screen Determining an adjustment amount corresponding to the acquired reflected voltage value for adjusting a relative position between the objective lens and the screen according to a predetermined relationship between the adjustment amounts of the relative positions; adjusting the objective lens according to the determined adjustment amount The relative position between the screens.
  • the storage medium is further configured to store program code for performing the following steps: before acquiring the reflected voltage value of the reflected signal of the optical signal of the preset voltage, further comprising: adjusting divergence of the emitted optical signal An angle for the light signal covering the retina of the human eye.
  • the storage medium is further arranged to store program code for performing the following steps between: the reflected voltage value according to the acquisition, and the reflected voltage value and an adjustment amount for adjusting the relative position between the objective lens and the screen. Determining, before determining the adjustment amount for adjusting the relative position between the objective lens and the screen corresponding to the acquired reflected voltage value, further comprising: determining, according to the apparent force value, the reference reflected voltage value v, and the reference position adjustment amount l The predetermined relationship between the reflected voltage value and the adjustment amount for adjusting a relative position between the objective lens and the screen, wherein the reference reflected voltage value v is when the objective lens is at the reference position, and the apparent force
  • the value of the retina reflects a reflected voltage value corresponding to the optical signal of the preset voltage
  • the reference position adjustment amount l is a relative position of the objective lens and/or the screen relative to the reference position when the preset sharpness is reached. Position adjustment amount.
  • determining, according to the visual velocity value, the reference reflected voltage value v, and the reference position adjustment amount l, the reflected voltage value and the adjustment amount for adjusting a relative position between the objective lens and the screen includes: determining the predetermined relationship between the reflected voltage value and the adjustment amount for adjusting a relative position between the objective lens and the screen by the following formula: Wherein, V is a reflected voltage value, L is an adjustment amount for adjusting a relative position between the objective lens and the screen, and k1 is a reference reflected voltage value v and a sample corresponding to the sampled apparent velocity value within a predetermined visual velocity range.
  • the mean value of the ratio of the apparent velocity values; k2 is the mean value of the ratio of the position adjustment amount l corresponding to the sampled apparent velocity value to the sampled apparent velocity value in the range of the predetermined apparent velocity.
  • the storage medium is further configured to store program code for performing the step of: adjusting the relative position between the objective lens and the screen according to the determined adjustment amount comprises: adjusting according to the determined a quantity, and a correspondence between a moving distance of the stepping motor for moving the objective lens and/or the screen and a regulating voltage of the stepping motor, determining an adjustment voltage corresponding to the adjustment amount; The voltage is adjusted to adjust the relative position between the objective lens and the screen.
  • the method based on the reflection of the pupil of the human eye is used, according to the reflection a predetermined relationship between a reflected voltage value of the optical signal of the preset voltage and an adjustment amount for adjusting a relative position between the objective lens and the screen, confirming an adjustment amount corresponding to a reflected voltage value of the optical signal reflecting the preset voltage, and based on The confirmed adjustment amount adjusts the relative positional relationship between the objective lens and the screen, which can solve the problem that the method of manually adjusting the objective lens of the virtual reality glasses in the related art is inconvenient and time-consuming and laborious, and the effect of improving the user experience is achieved.
  • FIG. 1 is a block diagram showing the hardware structure of a virtual reality glasses according to an adjustment method according to an embodiment of the present invention
  • FIG. 2 is a flow chart of an adjustment method according to an embodiment of the present invention.
  • FIG. 3 is a block diagram showing the hardware structure of a virtual reality glasses according to an adjustment method according to a preferred embodiment of the present invention
  • FIG. 4 is a flow chart of an adjustment method in accordance with a preferred embodiment of the present invention.
  • Figure 5 is a schematic illustration of a light source divergence angle of an adjustment method in accordance with a preferred embodiment of the present invention
  • FIG. 6 is a schematic diagram of reception and conversion of reflected light of a retina according to an adjustment method according to a preferred embodiment of the present invention
  • Figure 7 is a schematic diagram showing the principle of the adjustment amount voltage generation of the adjustment method according to a preferred embodiment of the present invention.
  • Figure 8 is a flow chart showing the establishment of a functional relationship of an adjustment method in accordance with a preferred embodiment of the present invention.
  • FIG. 9 is a schematic view of a precision stepping motor adjusting objective lens of an adjusting method according to a preferred embodiment of the present invention.
  • FIG. 10 is a schematic diagram of adjusting an objective lens position according to an adjustment voltage according to an adjustment method of a preferred embodiment of the present invention
  • Figure 11 is a block diagram showing the structure of an adjusting device according to an embodiment of the present invention.
  • Figure 12 is a block diagram showing the structure of an adjusting device according to an embodiment of the present invention.
  • Figure 13 is a block diagram 3 of a structure of an adjusting device according to an embodiment of the present invention.
  • Figure 14 is a block diagram showing the structure of an adjusting device according to an embodiment of the present invention.
  • FIG. 1 is a hardware structural block diagram of the virtual reality glasses according to the adjustment method of the embodiment of the present invention.
  • virtual reality glasses 10 may include one or more (only one shown) processor 102 (processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA.
  • FIG. 1 is merely illustrative and does not limit the structure of the above electronic device.
  • the virtual reality glasses 10 may also include more or fewer components than those shown in FIG. 1, or have a different configuration than that shown in FIG.
  • the memory 104 can be configured as a software program and a module for storing application software, such as program instructions/modules corresponding to the adjustment method in the embodiment of the present invention, and the processor 102 executes various kinds by executing a software program and a module stored in the memory 104. Functional application and data processing, that is, the above method is implemented.
  • Memory 104 may include high speed random access memory, and may also include non-volatile memory such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 104 may further include memory remotely located relative to processor 102, which may be connected to virtual reality glasses 10 over a network. Above Examples of networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 106 is arranged to receive or transmit data via a network.
  • the network specific example described above may include a wireless network provided by a communication provider of the virtual reality glasses 10.
  • the transmission device 106 includes a Network Interface Controller (NIC) that can be interfaced with other devices to communicate with the Internet.
  • the transmission device 106 can be a Radio Frequency (RF) module for communicating with the Internet wirelessly.
  • NIC Network Interface Controller
  • RF Radio Frequency
  • FIG. 2 is a flowchart of an adjustment method according to an embodiment of the present invention. As shown in FIG. 1 , the process includes the following steps:
  • Step S202 acquiring a reflected voltage value of a reflected signal of the optical signal of the preset voltage
  • Step S204 determining, according to the acquired reflected voltage value, and the predetermined relationship between the reflected voltage value and the adjustment amount for adjusting the relative position between the objective lens and the screen, for adjusting the objective lens and the screen corresponding to the acquired reflected voltage value.
  • Step S206 adjusting the relative position between the objective lens and the screen according to the determined adjustment amount.
  • the reflected voltage value corresponding to the reflected signal of the acquired optical signal of the reflected preset voltage is used for Adjusting the adjustment position of the relative position between the objective lens and the screen solves the problem that the method of manually adjusting the virtual reality glasses objective lens in the related art is inconvenient, time-consuming and laborious, and improves the user experience.
  • the method further includes: adjusting a divergence angle of the emitted optical signal, so that when the optical signal reaches a preset human eye limit position, the human eye retina may be substantially covered, or substantially cover the human eye pupil.
  • the adjusted optical signal substantially covers the human eye retina when reaching the human eye
  • the ability of the human eye retina or the pupil to reflect the light signal is fully utilized while the energy of the reflected light signal is reflected as much as possible.
  • the method further includes: determining, according to the visual velocity value, the reference reflected voltage value v, and the reference position adjustment amount l, between the reflected voltage value and the adjustment amount for adjusting the relative position between the objective lens and the screen.
  • the predetermined relationship wherein the reference reflected voltage value v is a reflected voltage value corresponding to the optical signal of the preset voltage of the retinal reflection of the apparent power when the objective lens is at the reference position, and the reference position adjustment amount l is the preset resolution
  • the reference position adjustment amount 1 may include one or more parameter values.
  • the reference position adjustment amount 1 may include a position adjustment amount of the objective lens or the screen relative to the reference position, or include a position of the objective lens relative to the reference position. The amount of adjustment and the amount of position adjustment of the screen relative to the reference position.
  • the predetermined relationship between the reflected voltage value and the adjustment amount for adjusting the relative position between the objective lens and the screen is determined according to the apparent force value, the reference reflected voltage value v, and the reference position adjustment amount l, Since the apparent force value, the reference reflected voltage value v, and the reference position adjustment amount l are embodied values, it is possible to confirm the accuracy of the predetermined relationship.
  • the manner of determining the predetermined relationship between the reflected voltage value and the adjustment amount for adjusting the relative position between the objective lens and the screen according to the apparent velocity value, the reference reflected voltage value v, and the reference position adjustment amount 1 may be various,
  • the predetermined relationship between the reflected voltage value and the amount of adjustment for adjusting the relative position between the objective lens and the screen can be determined by the following formula (1):
  • V is the reflected voltage value
  • L is the adjustment amount for adjusting the relative position between the objective lens and the screen
  • k1 is the reference reflected voltage value v corresponding to the sampled apparent velocity value within the predetermined visual velocity range and the sampled apparent velocity value.
  • the mean value of the ratio; k2 is the mean value of the ratio of the position adjustment amount l corresponding to the sampled apparent velocity value to the sampled visual velocity in the range of the predetermined visual velocity.
  • the visual velocity value sampled within the predetermined visual velocity range, the reference reflected voltage value v corresponding to the sampled apparent velocity value, and the position adjustment amount l corresponding to the sampled apparent velocity value may be saved in the data table, Corresponding relationship between the reference reflected voltage value v and the reference position adjustment amount l in the above data table as the reflected voltage value and the adjustment for adjusting the relative position between the objective lens and the screen
  • the predetermined relationship between the quantities may also be other relationship forms, as long as the visual force value of the sample within the predetermined visual power range is met, and the apparent force of the sample is sampled.
  • the reference reflection voltage value v corresponding to the value and the change trend of the position adjustment amount l corresponding to the sampled apparent velocity value may be used.
  • the predetermined relationship between the reflected voltage value and the adjustment amount for adjusting the relative position between the objective lens and the screen is defined as a linear relationship, and the apparent velocity value sampled according to the predetermined visual power number range is determined.
  • the reference reflected voltage value v corresponding to the sampled apparent velocity value and the position adjustment amount l corresponding to the sampled apparent velocity value determine the coefficients of both, and reduce the determination of the objective lens and the screen corresponding to the acquired reflected voltage value.
  • the complexity of the adjustment of the relative position between the two increases the efficiency of the adjustment.
  • the relative position between the objective lens and the screen may be adjusted in various ways, for example, according to the determined adjustment amount, and the movement of the stepping motor for moving the objective lens and/or the screen.
  • the distance between the distance and the adjustment voltage of the stepping motor is determined, and the adjustment voltage corresponding to the adjustment amount is determined; by adjusting the adjustment voltage, the stepping motor is moved with the animal mirror and/or the screen to adjust the relative relationship between the objective lens and the screen. position.
  • the correspondence between the moving distance of the conveyor belt or other conveying device for moving the objective lens and/or the screen and the regulating voltage of the control belt or other conveying device and the adjusting time may be determined according to the determined adjustment amount, and the determination relationship is determined.
  • the adjustment voltage and the adjustment time corresponding to the adjustment amount are adjusted, and the relative position between the objective lens and the screen is adjusted by adjusting the adjustment voltage and the adjustment time so that the conveyor belt or other conveying device moves with the animal mirror and/or the screen.
  • the stepping motor is controlled according to the adjustment amount with the animal mirror and/or the screen movement. Since the stepping motor has a fixed step distance and is easy to determine, the objective lens of the stepping motor can be accurately and conveniently determined. / or the distance the screen moves, improving the efficiency and accuracy of moving the objective and / or screen.
  • FIG. 3 is a hardware structural block diagram of the virtual reality glasses according to the adjustment method of the preferred embodiment of the present invention.
  • the virtual reality glasses 10 can be The light source system 32, the screen 34, the objective lens 36, the mirror 38, the optical signal detection system 310, the analysis system 312, the adjustment system 314, and the motor 316 are included.
  • the mobile terminal will be described below.
  • the light source system 32 is configured to emit infrared rays that are safe to the human eye and project onto the retina of the human eye;
  • the screen 34 and the objective lens 36 are similar to those of the related art screen and the objective lens, and are not described herein.
  • the mirror 38 is arranged to reflect infrared rays reflected by the human retina to the optical signal detecting system 310;
  • the optical signal detection system 310 is configured to acquire infrared rays reflected by the retina and convert them into voltage values;
  • the analysis system 312 is connected to the optical signal detection system 310, and is configured to generate an adjustment signal after comparing the converted voltage value of the optical signal detection system 310 with the reference database analysis;
  • the adjustment system 314 is coupled to the analysis system 312 and configured to adjust the objective lens according to an adjustment signal generated by the analysis system 312 such that the objective lens is located at a position where the screen can be clearly viewed;
  • a motor 316 coupled to the adjustment system 314 described above, is configured to move with the animal mirror to a position where the displayed content of the screen can be clearly viewed.
  • the structure shown in FIG. 3 is merely illustrative and does not limit the structure of the above electronic device.
  • the virtual reality glasses 10 may also include more or fewer components than those shown in FIG. 3, or have a different configuration than that shown in FIG.
  • the virtual reality glasses 10 may not include the mirrors 38 as long as the light signals reflected by the human eye retina can be acquired by the light signal detection system 310.
  • the motor 316 can be other devices that can carry an animal mirror or screen movement.
  • FIG. 4 is a flowchart of a method for adjusting according to a preferred embodiment of the present invention. As shown in FIG. 4, the process includes the following steps:
  • Step S402 establishing a built-in database by using a statistical method
  • Step S404 the system is initialized, prompting the user to adjust the start;
  • Step S406 the light source system sends a signal
  • Step S408 receiving retinal reflected light, and comparing with the built-in database through the analysis system, and finally outputting the adjustment voltage;
  • step S410 the adjustment system adjusts the objective lens according to the adjustment voltage to finally reach a clear visible position.
  • Step S402 can be performed only once; after the built-in database is established, in the case that the nearsighted user wears the virtual reality glasses with naked eyes, the system initializes, prompting the user to perform blur adjustment; the adjustment process starts, and the screen side light source system 32 emits an optical signal. After being reflected by the user's retina, it is received by the optical signal detection system 310 (which may be located on the screen side), converted into a voltage value, and is analyzed by the analysis system 312 after comparison with the reference database to generate an adjustment signal; the adjustment signal driving adjustment system 314 adjusts the objective lens 36. , so that the objective lens is in a position where the screen can be clearly viewed.
  • the optical signal detection system 310 which may be located on the screen side
  • the analysis system 312 after comparison with the reference database to generate an adjustment signal
  • the adjustment signal driving adjustment system 314 adjusts the objective lens 36. , so that the objective lens is in a position where the screen can be clearly viewed.
  • the light source system 32 is located on the opposite side of the human eye limit position.
  • the core component of the light source system 32 is an infrared emitter, and the emitter can emit invisible infrared light to the human eye.
  • the output system is adjusted by the divergence angle, it basically covers the retina of the human eye when reaching the position of the human eye, as shown in FIG.
  • the infrared light can form a certain degree of reflection in the retina of the human eye, and the mirror 38 is disposed on the same side of the light source system 32, so that the emitted light of the human eye is reflected and reaches the optical signal detecting system 310.
  • the core component of the optical signal detecting system 310 is The optical/electrical conversion device (photoelectric sensor) converts the incident light intensity into a digital voltage value V output that is passed to the analysis system 312 as shown in FIG.
  • the analysis system 312 is responsible for comparing the input voltage signal with the built-in database of the system to generate a step adjustment voltage.
  • the specific principle explanation is shown in FIG. 7 .
  • the objective lens 36 is placed at a certain position of the axial movement stroke, and its coordinate is recorded as L0 (that is, the reference position of the objective lens). This position can be determined due to the relative physical position between the various components of the entire system.
  • L0 serves as the reference bit for the remaining components
  • the position of the optical signal detection system 310 relative to this reference bit is LA
  • the position of the light source system 32 relative to this reference bit is LB.
  • a human eye limit position LE which is basically considered to be determined because the difference in the contour of the human face is small and the coupling portion of the glasses and the face is determined.
  • a built-in database was established by measuring the amount of retinal light reflection of the sample myopic population.
  • the measurement samples are as follows: 0 degrees of vision is used as the starting value of normal vision, with an interval of 1 degree and a maximum of 1000 degrees.
  • the objective lens 38 is placed at the reference position, and the digital voltage value detected by the optical signal detecting system 310 after the retina of the different visual force samples is reflected by the determined amount of infrared rays, that is, the reflected detected digital voltage value Vy, is recorded.
  • the objective lens 38 can be adjusted, the objective lens 38 can be adjusted to face different vision samples until the screen information can be clearly seen. At this time, the amount of mediation Lx (in order to be able to see the screen information) can be obtained. Position L0).
  • the adjustment of the objective lens 38 in this system uses a precision stepping motor, so the adjustment amount Lx can correspond to a certain step voltage Vx.
  • the above process requires the use of statistically relevant methods to produce as reasonable and scientific data as possible.
  • the final database contains a total of 1000 sets of related data, including the correspondence shown in Table 1:
  • FIG. 8 is a flow chart showing the establishment of a functional relationship of an adjustment method according to a preferred embodiment of the present invention. As shown in FIG. 8, the flow includes the following steps:
  • Step S802 the objective lens is placed at the reference position, and the reflected detection digital voltage value Vy in different situations is detected;
  • Step S804 adjusting the objective lens, the user can see the screen information, and record the distance Lx of the objective lens with respect to the reference position.
  • step S802 the user who needs different visual power (similar to the effect of the sampled visual power in the range of the predetermined visual power) is wearing the virtual reality glasses measurement, and the visual power and the reflected voltage Vy under the corresponding visual power are (in the foregoing) There is a functional relationship between the reference reflection voltage value v.
  • the function relationship 1 is as shown in Equation 2:
  • step S804 there is a functional relationship 2 between the apparent power and the adjustment amount (similar to the aforementioned position adjustment amount l corresponding to the sampled apparent velocity value).
  • the function relationship 2 is as shown in Equation 3:
  • the reflection detection digital voltage is The value Vy has a corresponding functional relationship 4 with the voltage Vx required to generate the adjustment amount.
  • the function relationship 4 can be obtained from the above formulas (2)-(4), as shown in the public formula 5:
  • the preferred embodiment uses a three-phase stepper motor to adjust the objective lens, as shown in FIG.
  • the basic step angle of the three-phase stepping motor is 1.2o, and the driver adopts 10 subdivisions, that is, one pulse of the controller, and the motor rotates 0.12o, which is converted into the relationship between the rotation angle of the motor and the adjustment amount Lx as the formula (8). ) shown:
  • r is the radius of the drive shaft.
  • the step voltage Vx corresponds to a voltage of Vx/10 after each adjustment pulse, that is, the voltage required for each 0.12o rotation of the motor is Vx/10.
  • K3 is the correspondence between the adjustment amount of the stepping motor relative to the reference position and the step voltage Vx corresponding to the adjustment amount, which can be obtained by the formula (9):
  • Equation 10 a specific implementation of the functional relationship 4 can be obtained, as shown in Equation 10:
  • the functional relationship 4 can be considered as a linear function.
  • step S410 after the analysis system 312 outputs the step voltage, the voltage enable signal is transmitted to the motor 316 (precision stepper motor), and then the objective lens 38 is adjusted to a proper position, and the current near vision user can clearly see Screen information, as shown in Figure 10.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium (such as ROM/RAM, magnetic).
  • the disc, the optical disc includes a number of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • an adjustment device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and will not be described again.
  • the term “module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 11 is a structural block diagram of an adjustment apparatus according to an embodiment of the present invention. As shown in FIG. 11, the apparatus includes an acquisition module 112, a first determination module 114, and a first adjustment module 116. The device will be described below.
  • the obtaining module 112 (similar to the function of the foregoing optical signal detecting system 310) is configured to reflect a reflected voltage value of the reflected signal of the optical signal of the preset voltage; the first determining module 114 (similar to some functions of the foregoing analyzing system 312), Connected to the above-mentioned obtaining module 112, configured to determine, according to the acquired reflected voltage value, and a predetermined relationship between the reflected voltage value and the adjustment amount for adjusting the relative position between the objective lens and the screen, corresponding to the acquired reflected voltage value, An adjustment amount for adjusting a relative position between the objective lens and the screen; the first adjustment module 116 (similar to the function of the aforementioned adjustment system 314) is connected to the first determination module 114, and is configured to adjust according to the determined adjustment amount The relative position between the objective lens and the screen.
  • FIG. 12 is a block diagram showing the structure of an adjusting apparatus according to an embodiment of the present invention. As shown in FIG. 12, the apparatus includes a second adjusting module 122 in addition to all the modules shown in FIG. The device will be described below.
  • the second adjustment module 122 (similar to the function of the light source system 32 described above) is configured to adjust the divergence angle of the emitted light signal such that the light signal covers the retina of the human eye.
  • FIG. 13 is a structural block diagram 3 of an adjusting apparatus according to an embodiment of the present invention. As shown in FIG. 13, the apparatus includes a second determining module 132 in addition to all the modules shown in FIG. The device will be described below.
  • the second determining module 132 is connected to the first determining module 114, and is configured to determine the reflected voltage value and the relative position between the objective lens and the screen according to the visual velocity value, the reference reflected voltage value v, and the reference position adjustment amount l. a predetermined relationship between the adjustment amounts, wherein the reference reflected voltage value v is a reflected voltage value corresponding to the optical signal of the preset voltage of the retinal reflection of the apparent force value when the objective lens is at the reference position, and the reference position adjustment amount l is The amount of position adjustment of the objective lens and/or the screen relative to the reference position when setting the sharpness.
  • the second determining module is further configured to determine, by using the following formula, a predetermined relationship between the reflected voltage value and an adjustment amount for adjusting a relative position between the objective lens and the screen:
  • V is the reflected voltage value
  • L is the adjustment amount for adjusting the relative position between the objective lens and the screen
  • k1 is the reference reflected voltage value v corresponding to the sampled apparent velocity value within the predetermined visual velocity range and the sampled apparent velocity value.
  • the mean value of the ratio; k2 is the mean value of the ratio of the position adjustment amount l corresponding to the sampled apparent velocity value to the sampled apparent velocity value in the range of the predetermined apparent power.
  • FIG. 14 is a block diagram showing the structure of an adjusting apparatus according to an embodiment of the present invention. As shown in FIG. 14, the apparatus includes a third determining module 142 in addition to all the modules shown in FIG. The device will be described below.
  • the third determining module 142 (similar to some functions of the foregoing analysis system 312) is set to root Determining the adjustment voltage corresponding to the adjustment amount according to the determined adjustment amount, and the correspondence between the movement distance of the stepping motor for moving the objective lens and/or the screen and the adjustment voltage of the stepping motor; the first adjustment module 116 described above
  • the third determining module 132 is connected to the third determining module 132, and is further configured to adjust the relative position between the objective lens and the screen by adjusting the adjusting voltage.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the storage medium is further arranged to store program code for performing the following steps:
  • the method Before acquiring the reflected voltage value of the reflected signal of the optical signal reflecting the preset voltage, the method further includes:
  • the storage medium is further arranged to store program code for performing the following steps:
  • the reference position adjustment amount l Determining a predetermined relationship between the reflected voltage value and an adjustment amount for adjusting a relative position between the objective lens and the screen according to the apparent force value, the reference reflected voltage value v, and the reference position adjustment amount l, wherein the reference reflected voltage value v is an objective lens
  • the reference position adjustment amount l is the pre-predetermined The amount of position adjustment of the objective lens and/or the screen relative to the reference position when setting the sharpness.
  • the storage medium is further arranged to store program code for performing the following steps:
  • the predetermined relationship between the reflected voltage value and the adjustment amount for adjusting the relative position between the objective lens and the screen is determined according to the apparent velocity value, the reference reflected voltage value v, and the reference position adjustment amount l, including:
  • the predetermined relationship between the reflected voltage value and the amount of adjustment for adjusting the relative position between the objective lens and the screen is determined by the following formula:
  • V is the reflected voltage value
  • L is the adjustment amount for adjusting the relative position between the objective lens and the screen
  • k1 is the reference reflected voltage value v corresponding to the sampled apparent velocity value within the predetermined visual velocity range and the sampled apparent velocity value.
  • the mean value of the ratio; k2 is the mean value of the ratio of the position adjustment amount l corresponding to the sampled apparent velocity value to the sampled apparent velocity value in the range of the predetermined apparent power.
  • the storage medium is further arranged to store program code for performing the following steps:
  • Adjusting the relative position between the objective lens and the screen according to the determined adjustment amount includes:
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • the processor performs, according to the stored program code in the storage medium, a reflected voltage value of the reflected signal of the optical signal that acquires the preset voltage; and the reflected voltage value and the reflected voltage value according to the acquired a predetermined relationship between the adjustment amount for adjusting the relative position between the objective lens and the screen, and determining the value corresponding to the acquired reflected voltage value for adjusting the objective lens and the screen The amount of adjustment of the relative position; adjusting the relative position between the objective lens and the screen according to the determined adjustment amount.
  • the processor performs, according to the stored program code in the storage medium, before acquiring the reflected voltage value of the reflected signal of the optical signal of the preset voltage, further comprising: adjusting divergence of the emitted optical signal. Angle for the light signal covering the human eye retina.
  • the processor performs, according to the stored program code in the storage medium, according to the obtained reflected voltage value, and the reflected voltage value and the adjustment amount for adjusting the relative position between the objective lens and the screen.
  • the method further includes: according to the apparent force value, the reference reflected voltage value v, and the reference position adjustment amount l, Determining a predetermined relationship between the reflected voltage value and an adjustment amount for adjusting a relative position between the objective lens and the screen, wherein the reference reflected voltage value v is a light of a preset voltage when the objective lens is at the reference position, and the retina reflects the apparent value
  • the reflected voltage value corresponding to the signal, the reference position adjustment amount l is a position adjustment amount of the objective lens and/or the screen relative to the reference position when the preset sharpness is reached.
  • the processor performs, according to the stored program code in the storage medium, determining the reflected voltage value and adjusting the objective lens according to the visual velocity value, the reference reflected voltage value v, and the reference position adjustment amount l.
  • the predetermined relationship between the adjustment amounts of the relative positions between the screens includes determining a predetermined relationship between the reflected voltage value and the adjustment amount for adjusting the relative position between the objective lens and the screen by the following formula: Where V is the reflected voltage value, L is the adjustment amount for adjusting the relative position between the objective lens and the screen, and k1 is the reference reflected voltage value v corresponding to the sampled apparent velocity value within the predetermined visual velocity range and the sampled apparent velocity value.
  • the mean value of the ratio; k2 is the mean value of the ratio of the position adjustment amount l corresponding to the sampled apparent velocity value to the sampled apparent velocity value in the range of the predetermined apparent power.
  • the processor performs, according to the stored program code in the storage medium, adjusting the relative position between the objective lens and the screen according to the determined adjustment amount, including: according to the determined adjustment amount, and for moving
  • the correspondence between the moving distance of the objective motor and/or the stepping motor of the screen and the adjustment voltage of the stepping motor determines the adjustment voltage corresponding to the adjustment amount; and adjusts the adjustment voltage to adjust the relative position between the objective lens and the screen.
  • modules or steps of the embodiments of the present invention can be implemented by a general computing device, which can be concentrated on a single computing device or distributed in multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from The steps shown or described are performed sequentially, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated into a single integrated circuit module. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.
  • the above embodiments and the preferred embodiments solve the problem that the method of manually adjusting the objective lens of the virtual reality glasses in the related art is inconvenient, time-consuming and laborious, and the effect of improving the user experience is achieved.

Abstract

La présente invention concerne un procédé et un dispositif de régulation, et des lunettes de réalité virtuelle. Le procédé de régulation comprend : l'obtention d'une valeur de tension réfléchie d'un signal réfléchi d'un signal optique ayant une tension prédéfinie (S202) ; la détermination, en fonction de la valeur de tension réfléchie obtenue et d'une relation prédéterminée entre la valeur de tension réfléchie et une variable de régulation pour réguler des positions relatives entre des lentilles d'objectif et un écran, de la variable de régulation correspondant à la valeur de tension réfléchie obtenue et étant utilisée pour réguler les positions relatives entre les lentilles d'objectif et l'écran (S204) ; et la régulation des positions relatives entre les lentilles d'objectif et l'écran en fonction de la variable de régulation déterminée (S205). Grâce au procédé et au dispositif, les problèmes rencontrés dans l'art antérieur d'incommodité de la régulation manuelle des lentilles d'objectif de lunettes de réalité virtuelle et de perte de temps et d'énergie sont résolus, de sorte que l'expérience de l'utilisateur soit améliorée.
PCT/CN2016/103279 2016-05-25 2016-10-25 Procédé et dispositif de régulation et lunettes de réalité virtuelle WO2017201960A1 (fr)

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