CN206696529U - Imaing projector and its pupil position follow-up mechanism with pupil tracing function - Google Patents

Imaing projector and its pupil position follow-up mechanism with pupil tracing function Download PDF

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CN206696529U
CN206696529U CN201720330885.0U CN201720330885U CN206696529U CN 206696529 U CN206696529 U CN 206696529U CN 201720330885 U CN201720330885 U CN 201720330885U CN 206696529 U CN206696529 U CN 206696529U
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module
pupil
reflection
light source
source
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施宏林
陈威廷
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And To Micro Electronmechanical Inc Co
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And To Micro Electronmechanical Inc Co
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Abstract

The utility model discloses a kind of Imaing projector and its pupil position follow-up mechanism with pupil tracing function.Pupil position follow-up mechanism includes a light source module, a micro-mirror module, an optical module, a sensing module and a control module.Control module is electrically connected at micro-mirror module and sensing module, and light source module, micro-mirror module, optical module and sensing module are along a predetermined optical paths arrangement.The spot light that light source module is provided is by the reflection of micro-mirror module to form an area source.Area source detects light source by the reflection of optical module to form the one of trend of purchasing eyeball surface, and eyeball surface has pupil surface and around the non-pupil surface on pupil surface.Whereby, a reflection source of trend of purchasing sensing module can be formed by the reflection on pupil surface by detecting light source, and sensing module can transmit pupil position signal to control module according to reflection source.

Description

Imaing projector and its pupil position follow-up mechanism with pupil tracing function
Technical field
This disclosure relates to technical field of virtual reality, throws in particular to a kind of image with pupil tracing function Image device and its pupil position follow-up mechanism.
Background technology
By the wear-type of virtual reality and/or amplification virtual reality applications in user or wearable image projecting system Technology is current trend of the times.When user is using wear-type or wearable image projecting system (being typically glasses), virtually Reality imagery or video council are projected to the eyes of user with imaging by projection arrangement.It is meanwhile preferably virtual existing in order to reach Entity tests impression, can separately set up follow-up mechanism in projection systems to follow the trail of the position on the head of user and eyes and movement.
It is by detecting current eye position and predicting under head and eyes in virtual reality device of the prior art One position come analyze and with reference to image to next position user's focal zone, to realize the effect of stare tracking.However, The real image (in imaging of retina) that each eye of user is perceived is actually to focus on the reality from eyes fixed range (focal length) Picture or virtual image plane.In general, the optic nerve of human brain can independently according to the real image perceived, eyes focusing to be adjusted exists In the component/object perceived, but in virtual reality device, the Focussing of eyes can be with the real image of fixed range Focal distance contradict.Consequently, it is possible to which brain can be made can not successfully to coordinate visually-perceptible system and proprioception, easily produce Fatigue and dizziness.
Therefore the stare tracking system in prior art virtual reality device is projected still with improvement space with virtual image.
Utility model content
Technical problem to be solved in the utility model is that pupil can be had by providing one kind in view of the shortcomings of the prior art The Imaing projector of tracking function and can Real-time Feedback pupil position information pupil position follow-up mechanism.
In order to solve above-mentioned technical problem, a wherein technical scheme is to provide a kind of tool used by the utility model There is the Imaing projector of pupil tracing function, it includes:One light source module, a micro-mirror module, an optical module, a sensing mould Block and a control module, the control module are electrically connected at the micro-mirror module and the sensing module, and the light source Module, the micro-mirror module, the optical module and the sensing module are along a predetermined optical paths arrangement.Wherein, institute One first spot light that light source module provided is stated by the reflection of the micro-mirror module to form one first area source, described One area source is by the reflection of the optical module to form the detection light source of the eyeball surface of a trend of purchasing one, and the eyeball surface The non-pupil surface on the pupil surface is surrounded with a pupil surface and one.Wherein, the detection light source passes through the pupil One first reflection source of the sensing module is invested in the reflection of hole surface to be formed, and the sensing module is according to described first Reflection source is to transmit a pupil position signal to the control module.Wherein, the control module is according to the pupil position For signal to adjust the micro-mirror module, one second spot light that the light source module is provided passes through the micro mirror mould after adjustment The reflection of block is to form one second area source, and second area source is accurate to form one by the reflection of the optical module Invest the image light source on the pupil surface in ground.
Further, first spot light is a non-visible light light beam, and second spot light is an image light Beam.
Further, the area for investing the detection light source of the eyeball surface is more than or equal to the eyeball table The area in face.
Further, the micro-mirror module includes multiple micromirrors, and the control module passes through the pupil position Signal, to adjust a reflection angle of each micromirror.
Further, the detection light source invests the sensing module by the reflection on the non-pupil surface to be formed One second reflection source, and the translucency on the pupil surface is more than the translucency on the non-pupil surface, described to cause The intensity of first reflection source is less than the intensity of second reflection source.
In order to solve above-mentioned technical problem, an other technical scheme is to provide a kind of pupil used by the utility model Hole site follow-up mechanism, it includes:One light source module, a micro-mirror module, an optical module, a sensing module and a control mould Block, the control module are electrically connected at the micro-mirror module and the sensing module, and the light source module, the micro mirror mould Block, the optical module and the sensing module are along a predetermined optical paths arrangement.Wherein, the light source module is provided A spot light by the reflection of the micro-mirror module to form an area source, the area source is anti-by the optical module Penetrate to form a detection light source for investing an eyeball surface, and the eyeball surface has a pupil surface and one around described The non-pupil surface on pupil surface.Wherein, the detection light source invests the sense by the reflection on the pupil surface to be formed Survey one first reflection source of module, and the sensing module according to first reflection source to transmit a pupil position signal To the control module.
Further, the spot light is a non-visible light light beam.
Further, the area for investing the detection light source of the eyeball surface is more than or equal to the eyeball table The area in face.
Further, the micro-mirror module includes multiple micromirrors, and the control module passes through the pupil position Signal, to adjust a reflection angle of each micromirror.
Further, the detection light source invests the sensing module by the reflection on the non-pupil surface to be formed One second reflection source, and the translucency on the pupil surface is more than the translucency on the non-pupil surface, described to cause The intensity of first reflection source is less than the intensity of second reflection source.
The beneficial effects of the utility model are that what technical solutions of the utility model were provided has pupil tracing function Imaing projector and its pupil position follow-up mechanism, it can be by the way that " the first spot light that the light source module is provided passes through The reflection of the micro-mirror module is to form the first area source, and first area source is by the reflection of the optical module to be formed Invest the detection light source of an eyeball surface " and " the detection light source invests institute by the reflection on the pupil surface to be formed State the first reflection source of sensing module " technical characteristic so that sensing module according to the first reflection source transmission pupil position Signal makes control module according to pupil position signal to adjust micro-mirror module to control module so that the second spot light is formed An image light source on the pupil surface is invested exactly.
Feature of the present utility model and technology contents are further understood that to be enabled, are referred to below in connection with the utility model Detailed description and accompanying drawing, but the accompanying drawing provided be merely provided for refer to explanation, not be used for the utility model is added With limitation.
Brief description of the drawings
Fig. 1 is the Imaing projector with pupil tracing function of the utility model embodiment along predetermined optical path cloth The schematic diagram put.
Fig. 2 is a wherein image projecting for the Imaing projector with pupil tracing function of the utility model embodiment Optical path diagram.
Fig. 3 is that the pupil position of the Imaing projector with pupil tracing function of the utility model embodiment follows the trail of light The schematic diagram in ways for education footpath.
Fig. 4 is an other image projecting for the Imaing projector with pupil tracing function of the utility model embodiment Optical path diagram.
Embodiment
It is to be illustrated by particular specific embodiment disclosed in the utility model about " there is pupil tracing function below Imaing projector and its pupil position follow-up mechanism " embodiment, those skilled in the art can be public by this specification institute The advantages of content opened understands the utility model and effect.The utility model can be applied by other different specific embodiments Row or application, the various details in this specification may be based on different viewpoints and application, do not departing from design of the present utility model It is lower to carry out various modifications and change.In addition, accompanying drawing of the present utility model is only simple schematically illustrate, not retouching according to actual size Paint, in advance statement.Correlation technique content of the present utility model will be explained in further detail in following embodiment, but disclosed Content simultaneously is not used to limit the scope of protection of the utility model.
Referring to Fig. 1, its arrangement for the Imaing projector with pupil tracing function of the utility model embodiment Schematic diagram.The utility model provides a kind of Imaing projector D with pupil tracing function, and it includes a light source module 1, one Micro-mirror module 2, an optical module 3, a sensing module 5 and a control module 6.Control module 6 is electrically connected at micro-mirror module 2 With sensing module 5.Meanwhile light source module 1, micro-mirror module 2, optical module 3 and sensing module 5 are along a predetermined optical path L is arranged.
Predetermined optical path L of the present utility model is the predictable path to advance by the principle of light incidence and reflection, Therefore the arrangement in predetermined optical path can be configured according to basic optical principle.
Furthermore as shown in figure 1, the Imaing projector D of the present utility model with pupil tracing function, its light source module 1 can be provided to a little less light source.At least one side light source can be formed by the reflection of micro-mirror module 2 to a little less light source.At least One area source is again by the reflection of optical module 3 to form detection light source and/or be image light source.
For example, in embodiment of the present utility model, there is the Imaing projector D of pupil tracing function light source Module 1 can provide the first spot light and the second spot light simultaneously, and the optical wavelength of the first spot light and the second spot light is not Together.In addition, the first spot light is to form detection light source;Second spot light is to form image light source.Further, first Spot light can be with right and wrong visible light beam;And the second spot light is the image strip that can form image.
Wherein, light source module 1 can have two light source projects units, and it provides the first different point light of optical wavelength respectively Source and the second spot light.For example, light source module 1 may include visible ray projecting unit and non-visible light projecting unit, it is distinguished First spot light of non-visible light light beam and the second spot light of image strip are provided.
From the above, in the utility model embodiment, the first spot light that light source module 1 is provided can be by micro mirror mould To form the first area source, the first area source can form detection light source by the reflection of optical module 3 for the reflection of block 2.Detection Light source is to invest eyeball surface, and eyeball surface has pupil surface and around the non-pupil surface on pupil surface.Because light Source can enter in eyeball through pupil, so the intensity of the reflection source reflected by pupil surface, which can be less than, passes through non-pupil surface The intensity of the light source of reflection.
Then, of the present utility model with the Imaing projector of pupil tracing function, in addition to only specific wavelength The sensing module 5 that is detected of light source.In the utility model, sensing module 5 only receives the light of non-visible wavelength, therefore feels Survey module 5 and sense the detection light source that the first area source is formed, without the shadow of the image light source reflected to form by the second area source Ring.Wherein, light source is detected by the reflection on pupil surface to form the first reflection source of trend of purchasing sensing module 5, detects light source By the reflection on non-pupil surface with formed invest sensing module 5 the second reflection source.The intensity of first reflection source is less than The intensity of second reflection source, consequently, it is possible to which sensing module 5 can transmit pupil position signal to control according to the first reflection source Molding block 6.
Furthermore control module 6 according to pupil position signal to adjust micro-mirror module 2, meanwhile, what light source module 1 was provided Second spot light is by the reflection of the micro-mirror module 2 after adjustment to form the second area source, and the second area source is also through optics The image light source on pupil surface is invested in the reflection of module 3 to be formed exactly.
To sequentially describe the utility model in detail according to the embodiment of practical operation below has pupil tracing function The operation of Imaing projector D each component is to realize the function of pupil tracing.
Refer to Fig. 1 and Fig. 2, Imaing projector D of the figure with a pupil tracing function wherein image projecting light Learn path schematic diagram.As shown in Fig. 2 the utility model embodiment provides a kind of Imaing projector with pupil tracing function D, it includes light source module 1, micro-mirror module 2, optical module 3, sensing module 5 and control module 6.Control module 6 electrically connects It is connected to micro-mirror module 2 and sensing module 5.In addition, as it was previously stated, light source module 1, micro-mirror module 2, optical module 3 and sense Surveying module 5 is arranged along a predetermined optical path L.Under the pattern (Fig. 2) of image projecting, light source module 1 is predetermined according to one Optical path provides the second spot light L2.Light source module 1 can provide the second spot light L2 by visible ray projecting unit.
First, light source module 1 provides the second spot light L2 to micro-mirror module 2, and the second face is formed after the reflection of micro-mirror module 2 Light source L21.Second area source L21 is by the reflection of optical module 3 to form image light source L22.
It is described in detail, the second spot light L2 is the visible light beam of transmittable image.In other words, second point Light source L2 is the image strip that can form image.In the utility model embodiment, the second spot light L2 can be RGB lasing fluorescences Module, it includes a red laser light source, a blue laser light source and a green laser light source (being represented herein with RGB). RGB LASER Light Sources are instantaneously incident upon each micro mirror unit (can be micromirror) of micro-mirror module 2 by light source module 1 in a short time On.Then, RGB LASER Light Sources form frame the second area source L21 after the reflection of micro-mirror module 2, are projected to optical module 3.The Reflections of the two area source L21 again through optical module 3 is to form image light source L22.
It is noted that in addition to foregoing single RGB LASER Light Sources, the second spot light L2 of the present utility model also may be used To be RGGB LASER Light Sources.That is, the second spot light L2 can be a red laser light source, two green laser light sources An and blue laser light source.Proving by the same methods, the second spot light L2 can also be RRGGB LASER Light Sources, and it is red with two Color LASER Light Source, two green laser light sources and a blue laser light source.
It is noted that optical module 3 can be, for example but it is not limited to:It is concave mirror, plane mirror, convex Lens.In the utility model embodiment, optical module 3 is concave mirror, but the utility model not limited to this.In addition, optics Module 3 can be fixed or adjustable.In the utility model embodiment, optical module 3 is fixed.
From the above, as shown in Fig. 2 image light source L22 reflects through optical module 3 and invests the eyeball of user exactly The pupil surface 41 on surface 4.According to the present embodiment, through the second area source L21 that micro-mirror module 2 reflects by being concave mirror Optical module 3 reflect after, formed image light source L22, after the image light source L22 is by pupil surface 41, focusing on makes The eyeball of user, finally with retina image-forming.It is event, the second spot light L2 launched from light source module 1 can finally be formed The image light source L22 being imaged in user's eyeball.
Then, Fig. 1 and Fig. 3 is referred to, it is followed the trail of for the pupil position of the Imaing projector D with pupil tracing function The schematic diagram of optical path.As shown in Figure 3, the Imaing projector with pupil tracing function of the utility model embodiment D is included along the light source module 1 of predetermined optical path L arrangements, micro-mirror module 2, optical module 3, sensing module 5 and control mould Block 6.Shown according to Fig. 3, light source module 1 provides the first spot light L1 according to predetermined optical path, now with pupil tracing work( The Imaing projector D of energy has the pattern of pupil position tracking optical path.
Similar to foregoing pattern projection image, first, light source module 1 provides at first point by its non-visible light projecting unit Light source L1 forms the first area source L11, the first area source L11 is through optical module 3 to micro-mirror module 2 after the reflection of micro-mirror module 2 Reflect to form the detection light source L12 for investing pupil surface.
It is described in detail, the first spot light L1 is non-visible light beam.For example, the utility model embodiment The first spot light L1 can be a length of 760nm of light wave to the infrared light between 1000nm.
From the above, the first spot light L1 can be projected with single light beam, can also each and every one light beam more to form a transmitting Scope projects.In the utility model embodiment, the first spot light L1 is projected with single light beam.Light source module 1 provides infrared Light is instantaneously incident upon in each micro mirror unit (can be micromirror) of micro-mirror module 2 in a short time.Then, infrared light is through micro mirror Module 2 forms frame the first area source L11 after reflecting, and is projected to optical module 3.First area source L11 is again through optical module 3 Reflection has the detection light source L12 of a projection scope to be formed.
Illustrate again, in the present embodiment, optical module 3 is fixed concave mirror, but the utility model not limited to this.
From the above, as shown in figure 3, the first area source L11 reflects through optical module 3 and invests the eyeball surface of user 4.It is noted that according to the utility model embodiment, eyeball surface 4 has pupil surface 41 and around pupil surface 41 Non- pupil surface 42.Investing the detection light source L12 of eyeball surface 4 area of covering includes pupil surface 41 and non-pupil table The scope in face 42.Specifically, the area for investing the detection light source L12 of eyeball surface 4 is greater than or equal to eyeball surface 4 Area.In the utility model embodiment, detection light source L12 area is equal to the area of eyeball surface 4.
From the above, detection light source L12 reflects to form the first reflection source R1 by pupil surface 41;Detect light source L12 reflects to form the second reflection source R2 by non-pupil surface 42.First reflection source R1 can be sensed module 5 and detect, Sensing module 5 can transmit pupil position signal to control module 6 according to the first reflection source R1.Due to the printing opacity on pupil surface 41 Property be more than non-pupil surface 42 translucency.Invest pupil surface 41 detection light source L12 have partially pass through pupil enter it is pleasing to the eye Ball, therefore the first reflection source R1 intensity can be smaller than the second reflection source R2 of total reflection intensity.In this way, sensing module 5 can judge the position of pupil whereby, and obtain a pupil position signal, and the pupil position signal is sent into control module 6.
From figure 3, it can be seen that Rotation of eyeball causes pupil position to be offset to right side from vertical middle, pupil surface 41 still exists Within the area for detecting light source L12.Therefore, the part infrared light detected in light source L12 can pass through the pupil table after skew The first reflection source R1 of smaller intensity is reflected in face 41, and remaining the second reflection source R2's reflected from non-pupil surface 42 is strong Spend constant.And then sensing module 5 by reflex to sensing module the first reflection source R1 and the second reflection source R2 it is strong It is weak, pupil position can be judged.In this way, when the Rotation of eyeball of user, sensing module 5 can the real-time tracing user Eyeball pupil position, and the pupil position signal of pupil is exported in real time.
Then referring to Fig. 4, it is the other image projecting optics of the Imaing projector D with pupil tracing function Path schematic diagram.In detail, described in brought forward, sensing module 5 exports the pupil position signal of pupil to control module 6, controls mould Block 6 adjusts micro-mirror module 2 according to the pupil position signal.According to Fig. 4, control module 6 adjusts micro mirror according to pupil position signal Module 2 so that micro-mirror modules 2 of the second spot light L2 that light source module 1 is provided after being adjusted reflects to form adjustment The second area source L21 afterwards, and the second area source L21 after adjustment passes through the image light after reflecting to form adjustment of optical module 3 Source L22.Image light source L22 after adjustment invests (after skew) pupil surface exactly, with again in the eyeball of user Imaging.Specifically, micro-mirror module 2 may include multiple micromirrors, and control module 6 can be adjusted often by pupil position signal The reflection angle of one micromirror.Predetermined optical path can thus be changed so that the second spot light L2 is sequenced through micro mirror The image light source L22 that the reflection of module 2 and optical module 3 is formed can accurately invest pupil surface in real time.
It is noted that foregoing detection light source L12 by eyeball surface reflect varying strength the first reflection source R1 with Second reflection source R2 is so that sensing module 5 judges the start of pupil position, with the adjustment micro-mirror module 2 of control module 6 so that shadow As light source L22 invests the start on pupil surface exactly, it is almost while occurs.In this way, the image with pupil tracing function Projection arrangement D provides the first spot light L1 and the second spot light L2 simultaneously, and the first spot light L1, which is formed, to be detected light source L12 and pass through Eyeball surface 4 reflects the reflection source of varying strength, and sensing module 5 judges pupil position by reflection source and transmits pupil Position signalling is to control module 6.Meanwhile control module 6 adjusts micro-mirror module 2 to change the second spot light L2 optics in real time Path in the eyeball of user to be imaged exactly.Consequently, it is possible to the utility model finally can be achieved have pupil tracing function Imaing projector.
The beneficial effect of embodiment
The beneficial effects of the utility model are that what technical solutions of the utility model were provided has pupil tracing function Imaing projector and its pupil position follow-up mechanism, it can be by the way that " the first spot light L1 that light source module 1 is provided passes through micro- The reflection of mirror module 2 is to form the first area source L11, the first area source L11 by the reflection of optical module 3 to form trend of purchasing eye The detection light source L12 " of ball surface 4 and " detection light source L12 by the reflection on pupil surface 41 with formed invest sensing module 5 The first reflection source R1 " technical characteristic so that sensing module 5 according to the first reflection source R1 transmission pupil position signal extremely Control module 6, and make control module 6 according to pupil position signal to adjust micro-mirror module 2 so that the second spot light L2 forms standard Really invest the image light source L22 on pupil surface 41.
Content disclosed above is only preferred possible embodiments of the present utility model, not thereby limits to the utility model Claims protection domain, so every equivalence techniques for being done with the utility model specification and accompanying drawing content becomes Change, be both contained in the protection domain of claims of the present utility model.

Claims (10)

  1. A kind of 1. Imaing projector with pupil tracing function, it is characterised in that the shadow with pupil tracing function As projection arrangement includes:One light source module, a micro-mirror module, an optical module, a sensing module and a control module, it is described Control module is electrically connected at the micro-mirror module and the sensing module, and the light source module, the micro-mirror module, described Optical module and the sensing module are along a predetermined optical paths arrangement;
    Wherein, one first spot light that the light source module is provided is by the reflection of the micro-mirror module to form one first face Light source, first area source by the reflection of the optical module to form the detection light source of the eyeball surface of a trend of purchasing one, and The eyeball surface has a pupil surface and one around the non-pupil surface on the pupil surface;
    Wherein, the detection light source is reflected by the reflection on the pupil surface with forming the one first of the trend of purchasing sensing module Light source, and the sensing module according to first reflection source to transmit a pupil position signal to the control module;
    Wherein, according to the pupil position signal to adjust the micro-mirror module, the light source module is carried the control module One second spot light supplied is by the reflection of the micro-mirror module after adjustment to form one second area source, and second face Light source is by the reflection of the optical module to form an image light source for investing the pupil surface exactly.
  2. 2. the Imaing projector according to claim 1 with pupil tracing function, it is characterised in that described first point Light source is a non-visible light light beam, and second spot light is an image strip.
  3. 3. the Imaing projector according to claim 1 with pupil tracing function, it is characterised in that invest the eye The area of the detection light source of ball surface is more than or equal to the area of the eyeball surface.
  4. 4. the Imaing projector according to claim 1 with pupil tracing function, it is characterised in that the micro mirror mould Block includes multiple micromirrors, and the control module is by the pupil position signal, to adjust each micromirror One reflection angle.
  5. 5. the Imaing projector according to claim 1 with pupil tracing function, it is characterised in that the detection light One second reflection source of the sensing module is invested in source by the reflection on the non-pupil surface to be formed, and the pupil table The translucency in face is more than the translucency on the non-pupil surface, to cause the intensity of first reflection source to be less than described second The intensity of reflection source.
  6. 6. a kind of pupil position follow-up mechanism, it is characterised in that the pupil position follow-up mechanism includes:One light source module, one Micro-mirror module, an optical module, a sensing module and a control module, the control module are electrically connected at the micro mirror mould Block and the sensing module, and the light source module, the micro-mirror module, the optical module and the sensing module along One predetermined optical paths arrangement;
    Wherein, the spot light that the light source module is provided is by the reflection of the micro-mirror module to form an area source, institute Area source is stated by the reflection of the optical module to form the detection light source of the eyeball surface of a trend of purchasing one, and the eyeball surface The non-pupil surface on the pupil surface is surrounded with a pupil surface and one;
    Wherein, the detection light source is reflected by the reflection on the pupil surface with forming the one first of the trend of purchasing sensing module Light source, and the sensing module according to first reflection source to transmit a pupil position signal to the control module.
  7. 7. pupil position follow-up mechanism according to claim 6, it is characterised in that the spot light is a non-visible light light Beam.
  8. 8. pupil position follow-up mechanism according to claim 6, it is characterised in that invest the inspection of the eyeball surface The area in light-metering source is more than or equal to the area of the eyeball surface.
  9. 9. pupil position follow-up mechanism according to claim 6, it is characterised in that the micro-mirror module includes multiple micro mirrors Piece, and the control module is by the pupil position signal, to adjust a reflection angle of each micromirror.
  10. 10. pupil position follow-up mechanism according to claim 6, it is characterised in that the detection light source passes through described non- One second reflection source of the sensing module is invested in the reflection on pupil surface to be formed, and the translucency on the pupil surface is big Translucency in the non-pupil surface, to cause the intensity of first reflection source to be less than the strong of second reflection source Degree.
CN201720330885.0U 2017-03-31 2017-03-31 Imaing projector and its pupil position follow-up mechanism with pupil tracing function Active CN206696529U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108663806A (en) * 2017-03-31 2018-10-16 及至微机电股份有限公司 Imaing projector with pupil tracing function and its pupil position follow-up mechanism
CN111665622A (en) * 2019-03-06 2020-09-15 株式会社理光 Optical device, retina projection display device, and head-mounted display device
JP2021005072A (en) * 2019-03-06 2021-01-14 株式会社リコー Optical device, retinal projection display device, head-mounted display device, and optometric device
TWI746169B (en) * 2020-09-17 2021-11-11 宏碁股份有限公司 Augmented reality eyeglasses having structured light detecting function
CN114326104A (en) * 2020-09-28 2022-04-12 宏碁股份有限公司 Augmented reality glasses with structured light detection function

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108663806A (en) * 2017-03-31 2018-10-16 及至微机电股份有限公司 Imaing projector with pupil tracing function and its pupil position follow-up mechanism
CN111665622A (en) * 2019-03-06 2020-09-15 株式会社理光 Optical device, retina projection display device, and head-mounted display device
JP2021005072A (en) * 2019-03-06 2021-01-14 株式会社リコー Optical device, retinal projection display device, head-mounted display device, and optometric device
CN111665622B (en) * 2019-03-06 2022-07-08 株式会社理光 Optical device, retina projection display device, and head-mounted display device
US11803057B2 (en) 2019-03-06 2023-10-31 Ricoh Company, Ltd. Optical device, retinal projection display, head-mounted display, and optometric apparatus
JP7424099B2 (en) 2019-03-06 2024-01-30 株式会社リコー Optical devices, retinal projection display devices, head-mounted display devices, and optometry devices
TWI746169B (en) * 2020-09-17 2021-11-11 宏碁股份有限公司 Augmented reality eyeglasses having structured light detecting function
US11360315B2 (en) 2020-09-17 2022-06-14 Acer Incorporated Augmented reality eyeglasses having structured light detecting function
CN114326104A (en) * 2020-09-28 2022-04-12 宏碁股份有限公司 Augmented reality glasses with structured light detection function
CN114326104B (en) * 2020-09-28 2023-07-25 宏碁股份有限公司 Augmented reality glasses with structured light detection function

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