CN202198573U - Eye imaging device - Google Patents
Eye imaging device Download PDFInfo
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- CN202198573U CN202198573U CN2011202584269U CN201120258426U CN202198573U CN 202198573 U CN202198573 U CN 202198573U CN 2011202584269 U CN2011202584269 U CN 2011202584269U CN 201120258426 U CN201120258426 U CN 201120258426U CN 202198573 U CN202198573 U CN 202198573U
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Abstract
The utility model discloses an eye imaging device, relating to the field of ophthalmological optical instruments and aiming at removing ghosting when eyes are checked and shot so as to image with high quality. The device comprises a light source module (101), a spectral module (102), a sharing optical path module (103), eyes (104), eye grounds (105), an image receiver (106), a movement optical module (107), an observation diaphragm (108), a light source power supply module (201), an image receiver driving module (202), a control processing display module (203) and a movement driving module (204). The movement optical module (107) at least comprises the spectral module (102), and the movement driving module (204) is connected with and drives the movement optical module (107) so as to enable illuminating rays to scan the eyes (104) and then reflect to the image receiver (106) for exposure, and be spliced by the control processing display module (203) for imaging. The eye imaging device is mainly used for checking eye grounds.
Description
Technical field
This utility model relates to the opticianry instrument field, is specifically related to a kind of eye imaging device.
Background technology
The optical instrument that detects or take a picture to eye at present; Generally comprise illumination path and observation light path; Illumination path is used for illuminating the person's of being observed eyes; Its light that reflects shines on observer's the eye or observation device through the observation light path again, to be used to observe and take the health status that eyes comprise the optical fundus.
But because patient's eye complex structure; Concrete physiological tissue situation is also varied; Especially optical instrument is used for observing and when taking pictures; Cornea and the unnecessary reflected light that connects object lens etc. be through can forming ghost under a lot of situation behind the optical instrument, thereby reduced the overall image quality of observing and taking, therefore with regard to necessary ghost and the various veiling glare in whole Optical devices, eliminated.
Existing eye image optics instrument adopts the way of stain plate or annular diaphragm to eliminate ghost and veiling glare more, and specifically, there is following defective in these devices:
1. can not eliminate ghost and veiling glare fully, the picture quality that obtains is still relatively poor.
2. illumination path is independent respectively with the observation light path, and cost is higher.
3. eliminate the optical texture relative complex of ghost and veiling glare, volume ratio is huger.
4. when adopting annular diaphragm, the light source utilization rate is lower, so energy consumption is relatively large.
5. the luminous flux that gets into patient's ophthalmic is more, causes prescription on individual diagnosis person's ophthalmic uncomfortable easily.
Do not see yet in the market and overcome above defective, image quality is higher, structure is simple relatively, cost is low, less energy consumption and to the imaging device and the method for the little elimination ghost better effects if of patient's eye side effect.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, and overcoming of never seeing on a kind of market is provided these defectives, function are practical, well behaved eye imaging device and method.
This utility model adopts following technical scheme:
Device comprises light source module 101, spectral module 102, common optical pathways module 103, eyes 104, optical fundus 105, picture receiver 106, light source power supply module 201, picture receiver driver module 202, control treatment display module 203.Its creationary summary of the invention is to be provided with optical movement module 107, motion driver module 204; Said optical movement module 107 has comprised said spectral module 102 at least; Said motion driver module 204 connects said optical movement module 107, accomplishes radial motions with the said optical movement module 107 of direct control along said common optical pathways module 103, picture receiver 106 formed primary optical axis; The light that said light source module 101 sends scans through said spectral module 102,103 pairs of said eyes 104 of common optical pathways module; Form core scanning area 100, the light that said core scanning area 100 reflects arrives said picture receiver 106 to be carried out to picture through common optical pathways module 103, spectral module 102.
When said picture receiver 106 was area array sensor, said optical movement module 107 can include only said spectral module 102, and said picture receiver 106 can partly or entirely make public.
When said picture receiver 106 was area array sensor, said optical movement module 107 can comprise said spectral module 102, light source module 101, and said picture receiver 106 can partly or entirely make public.
When said picture receiver 106 was area array sensor, said optical movement module 107 can comprise said spectral module 102, picture receiver 106, and said picture receiver 106 can partly or entirely make public.
At said picture receiver 106 is that area array sensor is when using as line array sensor; Said optical movement module 107 can comprise said spectral module 102, light source module 101, picture receiver 106, and said picture receiver 106 can partly or entirely make public.
When said picture receiver 106 is area array sensor; Can be provided with observation diaphragm 108 between said picture receiver 106 and the said spectral module 102; Said optical movement module 107 can comprise said spectral module 102, observation diaphragm 108, and said picture receiver (106) can partly or entirely make public.
When said picture receiver 106 is area array sensor; Can be provided with observation diaphragm 108 between said picture receiver 106 and the said spectral module 102; Said optical movement module 107 can comprise said spectral module 102, observation diaphragm 108, picture receiver 106, and said picture receiver 106 can partly or entirely make public.
When said picture receiver 106 is area array sensor; Can be provided with observation diaphragm 108 between said picture receiver 106 and the said spectral module 102; Can comprise said spectral module 102, observation diaphragm 108, said light source module 101 in the said optical movement module 107, said picture receiver (106) can partly or entirely make public.
In these cases, the area array sensor of said picture receiver 106 can partly or entirely make public, so that optical signal is converted into electronic signal; Said picture receiver 106 carries out signal and is connected with said picture receiver driver module 202, control treatment display module 203 orders; The electronic signal information that said control treatment display module 203 can splice the said core exposure area 200 that said picture receiver driver module 202 transmits is all or part of with the eyes image 300 that forms bigger zone, and handles, writes down or show.
Also have when said picture receiver 106 is line array sensor, said optical movement module 107 can comprise said spectral module 102, picture receiver 106.
In the above situation; When the distance of said spectral module 102 and said light source module 101 changes; Said light source power supply module 201 can directly be carried out synchronizing signal with motion driver module 204 and is connected, with the brightness according to the said light source module 101 of the position compensation of said optical movement module 107; Perhaps can also connect said light source power supply module 201 and said motion driver module 204, with the luminosity compensation of controlling said light source power supply module 201 and the synchronized movement of said optical movement module 102 by said control treatment display module 203; Perhaps can also utilize said control treatment display module 203 to regulate to handle the electronic signal of the said core exposure area 200 that said picture receiver 106 transmits, to carry out luminance compensation.
Also have when said picture receiver 106 is line array sensor, said optical movement module 107 can comprise said spectral module 102, light source module 101, said picture receiver 106.
Said picture receiver 106 is under the situation of line array sensor; Can burn-out; So that optical signal is converted into electronic signal; Said picture receiver 106 carries out signal and is connected with said picture receiver driver module 202, control treatment display module 203 orders; The electronic signal information that said control treatment display module 203 can splice the said core exposure area 200 that said picture receiver driver module 202 transmits is all or part of with the eyes image 300 that forms bigger zone, and handles, writes down or show.
Said light source module 101 is comprising on the basis of light source device, can also all or part ofly comprise condenser lens group, light balancing device, illumination diaphragm.The emergent ray of said light source module 101 preferably can form band light source.Said spectral module 102 can be an Amici prism, also can be plane beam splitter, to reflect by a certain percentage and transmitted ray.Said common optical pathways module 103 can comprise the projectoscope group and connect an object lens.
The motion of said optical movement module 107 preferably can be a uniform motion, so that realization is even to the illuminating effect of said eyes 104, all even imaging effect of exposure effect is even.The motion of said optical movement module 107 can be unidirectional once motion, also can be to move back and forth.Said control treatment display module 203 can also carry out signal with said motion driver module 204 and be connected, to control the motion that said motion driver module 204 goes to drive said optical movement module 107.
The light that said light source module 101 sends can also preferably scan irradiation to said optical fundus 105 through said spectral module 102, common optical pathways module 103.
After this utility model adopted new innovative technology scheme, through test, it was less to reflect back in the light of said picture receiver spare 106 veiling glare, is difficult to form ghost again.
Its significant advantage and beneficial effect specifically also are embodied in the following aspects:
1. because adopted the optical module that moves; The penlight scanning so be achieved, thus can utilize narrow slit to eliminate unnecessary light to temporarily the do not make public irradiation at position of eyes, start with from the source; Eliminate possible unnecessary veiling glare, can obtain good observation and photographic images.
2. because adopted the optical module that moves; Switching signal is read in penlight exposure and small core zone so be achieved; Thereby when further having eliminated light and in the device of forming through optical instrument and eyes, having propagated; Various diffuse-reflectance, the formed unnecessary veiling glare of directional error have further guaranteed picture quality.
3. illumination and observation imaging optical path are on succinct as far as possible common optical pathways, to realize.
4. used optics is less, is easy to realize that cost is lower.
5. control is simple, and departure is less.
6. the light that needs can be less, so the power consumption of light source also can obtain the reduction of certain amplitude with dispelling the heat.
7. can use band light source to throw light on as patient's eye, the luminous flux that gets into patient's eye is less, can reduce the stimulation of light to patient's glasses in a large number, makes the patient comparatively comfortable when inspection, and the patient is easy to adapt to.
Description of drawings
Fig. 1 is a kind of complete schematic of this utility model embodiment.
When Fig. 2 is this utility model employing area array sensor, the total sketch map of embodiment light path part of spectral module motion.
When Fig. 3 is this utility model employing area array sensor, the embodiment part light path sketch map of spectral module, light source module motion.
When Fig. 4 is this utility model employing area array sensor, the embodiment part light path sketch map of spectral module, area array sensor motion.
When Fig. 5 is this utility model employing area array sensor, the embodiment part light path sketch map of spectral module, light source module, area array sensor motion.
Fig. 6 is that this utility model area array sensor front has observation during diaphragm, the embodiment light path part sketch map of spectral module, the motion of observation diaphragm.
Fig. 7 is that this utility model area array sensor front has observation during diaphragm, the embodiment light path part sketch map of spectral module, observation diaphragm, area array sensor motion.
Fig. 8 is that this utility model area array sensor front has observation during diaphragm, the embodiment light path part sketch map of spectral module, observation diaphragm, light source module motion.
When Fig. 9 is this utility model employing line array sensor, the embodiment light path part sketch map of spectral module, line array sensor motion.
When Figure 10 is this utility model employing line array sensor, the embodiment light path part sketch map of spectral module, line array sensor, light source module motion.
Figure 11 is an optical fundus frontlighting scanning sketch map.
Figure 12 is that light belt forms images and the sketch map of all or part of exposure of area array sensor when adopting area array sensor.
Figure 13 is that light belt forms images and the sketch map of line array sensor burn-out when adopting line array sensor.
Figure 14 is the sketch map of the final imaging of control treatment display module
Among Fig. 1-14: light source module 101, spectral module 102, common optical pathways module 103, eyes 104, optical fundus 105, picture receiver 106, optical movement module 107, observation diaphragm 108, core scanning area 100; Light source power supply module 201, picture receiver driver module 202, control treatment display module 203, motion driver module 204, core exposure area 200; Eyes image 300.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of this utility model is done further elaboration again:
In a kind of schematic diagram of Fig. 1 this utility model embodiment, device comprises by light source module 101, spectral module 102, common optical pathways module 103, eyes 104, optical fundus 105, picture receiver 106; Light source power supply module 201, picture receiver driver module 202, control treatment display module 203.Be provided with optical movement module 107, motion driver module 204 simultaneously; Optical movement module 107 only comprises that said spectral module 102 is representative among this figure, and exposed installation is executed process, in other words; Said optical movement module 107 comprises said spectral module 102 at least, is a minimal configuration.
Said motion driver module 204 is connected with said optical movement module 107, accomplishes radial motions with the said optical movement module of direct control 107 along said common optical pathways module 103, picture receiver 106 formed primary optical axis; The light that said light source module 101 sends scans through said spectral module 102,103 pairs of said eyes 104 of common optical pathways module, and the light that reflects arrives said picture receiver 106 to be carried out to picture through common optical pathways module 103, spectral module 102.
The motion of said optical movement module 107 can be a uniform motion, and is even with illumination and the imaging effect of realizing said eyes 104.The motion of said optical movement module 107 can be unidirectional once motion, also can be to move back and forth.Further, also can carry out signal with said motion driver module 204 and be connected, to control the motion that said motion driver module 204 goes to drive said optical movement module 107 by said control treatment display module 203.
Said light source module 101 is comprising on the basis of light source device, can also all or part ofly comprise condenser lens group, light balancing device, illumination diaphragm.The emergent ray of said light source module 101 preferably can form band light source.
Said spectral module 102 can be an Amici prism, also can be plane beam splitter.The situation of light-splitting devices such as plane beam splitter, the technical staff of this professional field should be understood that other light-splitting devices also can reflect and transmitted ray by a certain percentage.
Said common optical pathways module 103 can comprise the projectoscope group and connect an object lens.
The light that said light source module 101 sends can also preferably scan irradiation to said optical fundus 105 through said spectral module 102, common optical pathways module 103; That is to say that this utility model can be used for each position of said eyes 104 is checked or taken, also can be used for examination of ocular fundus or shooting in emphasis ground.
These innovative contents all are suitable for for the embodiment of following Fig. 1-10.
In the embodiment of Fig. 2, said picture receiver 106 is area array sensors, and said optical movement module 107 comprises said spectral module 102, and said picture receiver 106 can partly or entirely make public.
In the embodiments of figure 3, said picture receiver 106 is area array sensors, and said optical movement module 107 comprises said spectral module 102, light source module 101, and said picture receiver 106 can partly or entirely make public.
In the embodiment of Fig. 4, said picture receiver 106 is area array sensors, and said optical movement module 107 comprises said spectral module 102, picture receiver 106, and said picture receiver 106 can partly or entirely make public.
In the embodiment of Fig. 5; Said picture receiver 106 is area array sensors; Said optical movement module 107 comprises said spectral module 102, light source module 101, picture receiver 106, and said picture receiver 106 uses as line array sensor, can partly or entirely make public.
In the embodiment of Fig. 6; Said picture receiver 106 is area array sensors; Can be provided with observation diaphragm 108 between said picture receiver 106 and the said spectral module 102; Said optical movement module 107 comprises said spectral module 102, observation diaphragm 108, and said picture receiver (106) can partly or entirely make public.
In the embodiment of Fig. 7; Said picture receiver 106 is area array sensors; Can be provided with observation diaphragm 108 between said picture receiver 106 and the said spectral module 102; Said optical movement module 107 comprises said spectral module 102, observation diaphragm 108, picture receiver 106, and said picture receiver 106 can partly or entirely make public.
In the embodiment of Fig. 8; Said picture receiver 106 is area array sensors; Said picture receiver 106 fronts can be provided with observation diaphragm 108; Said optical movement module 107 comprises said spectral module 102, observation diaphragm 108, said light source module 101, and said picture receiver (106) can partly or entirely make public.
Under the situation of the embodiment of Fig. 1-8, the area array sensor of said picture receiver 106 can partly or entirely make public, and optical signal is converted into electronic signal; Said picture receiver 106 carries out signal and is connected with said picture receiver driver module 202, control treatment display module 203 orders; The electronic signal information that said control treatment display module 203 can splice the said core exposure area 200 that said picture receiver driver module 202 transmits is all or part of with the eyes image 300 that forms bigger zone, and handles, writes down or show.
In the embodiment of Fig. 9, said picture receiver 106 is line array sensors, and said optical movement module 107 comprises said spectral module 102, picture receiver 106.
In the above situation; In Fig. 2,4,6,7 or 9 embodiment; When the distance of said spectral module 102 and said light source module 101 changes; Said light source power supply module 201 can directly be carried out synchronizing signal with motion driver module 204 and is connected, with the brightness according to the said light source module 101 of the position compensation of said optical movement module 107; Perhaps can also connect said light source power supply module 201 and said motion driver module 204, with the luminosity compensation of controlling said light source power supply module 201 and the synchronized movement of said optical movement module 102 by said control treatment display module 203; Perhaps can also utilize said control treatment display module 203 to regulate to handle the electronic signal of the said core exposure area 200 that said picture receiver 106 transmits, to carry out luminance compensation.
In the embodiment of Figure 10, said picture receiver 106 is line array sensors, and said optical movement module 107 comprises said spectral module 102, light source module 101, said picture receiver 106.
Among the embodiment of Fig. 9-10; Said picture receiver 106 is under the situation of line array sensor; Can burn-out; Optical signal is converted into electronic signal; Said picture receiver 106 carries out signal and is connected with said picture receiver driver module 202, control treatment display module 203 orders, and the electronic signal information that said control treatment display module 203 can splice the said core exposure area 200 that said picture receiver driver module 202 transmits is all or part of with the eyes image 300 that forms bigger zone, and processing, writes down or show.
Among Figure 11, the illumination scanning ray illustrates in the scanning implementation process on said optical fundus 105, and what preferably show among the figure is stripscan.At each constantly, make the least possible irradiate light the least possible position to the said optical fundus 105, clearly showing does not almost have stray illumination to be mapped on the said optical fundus 105; Except that said core scanning area 100, other positions of 105 both sides, said optical fundus almost can not get any irradiation.
Among Figure 12; When said picture receiver 106 is area array sensor; Its all or part of exposure forms said core exposure area 200, when the follow-up electronic signal that said picture receiver 106 is changed out reads; Only read the signal of said core exposure area 200; Thereby avoided reading any signal outside the said core exposure area 200, said eyes 104 the above core scanning area 100 outer other angle light that come through the diffuse-reflectance propagation have been shielded, also excised some veiling glares of Optical devices self.
Among Figure 13, when said picture receiver 106 was line array sensor, its burn-out all only can form said core exposure area 200, and reason is the same.
Among Figure 14; Be through the synthetic said eyes image 300 of said control treatment display module 203 splicings, schematically shown out " by in the multiple image not with a plurality of exposure bands of ghost be combined to form a new frame complete not with the said eyes image 300 of ghost ".
Claims (21)
1. eye imaging device; Device comprises light source module (101), spectral module (102), common optical pathways module (103), eyes (104), optical fundus (105), picture receiver (106), light source power supply module (201), picture receiver driver module (202), control treatment display module (203); It is characterized in that
Also be provided with optical movement module (107), motion driver module (204);
Said optical movement module (107) comprises said spectral module (102) at least;
Said motion driver module (204) connects said optical movement module (107), with the radial motion of the said optical movement module of direct control (107) along said common optical pathways module (103), the formed primary optical axis of picture receiver (106);
The light that said light source module (101) sends scans said eyes (104) through said spectral module (102), common optical pathways module (103); Formed core scanning area (100), the light that said core scanning area (100) reflects arrives said picture receiver (106) to be carried out to picture through said common optical pathways module (103), spectral module (102).
2. eye imaging device according to claim 1; It is characterized in that; Said picture receiver (106) can include only said spectral module (102) in the said optical movement module (107) when being area array sensor, and said picture receiver (106) can partly or entirely make public.
3. eye imaging device according to claim 1; It is characterized in that; Said picture receiver (106) is when being area array sensor; Can comprise said spectral module (102), light source module (101) in the said optical movement module (107), said picture receiver (106) can partly or entirely make public.
4. eye imaging device according to claim 1; It is characterized in that; Said picture receiver (106) is when being area array sensor; Can comprise said spectral module (102), picture receiver (106) in the said optical movement module (107), said picture receiver (106) can partly or entirely make public.
5. eye imaging device according to claim 1; It is characterized in that; Said picture receiver (106) is when being area array sensor; Can be used as line array sensor and use, can comprise said spectral module (102), light source module (101), picture receiver (106) in the said optical movement module (107), said picture receiver (106) can partly or entirely make public.
6. eye imaging device according to claim 1; It is characterized in that; Said picture receiver (106) is when being area array sensor; Can be provided with observation diaphragm (108) between said picture receiver (106) and the said spectral module (102), can comprise said spectral module (102), observation diaphragm (108) in the said optical movement module (107), said picture receiver (106) can partly or entirely make public.
7. eye imaging device according to claim 1; It is characterized in that; Said picture receiver (106) is when being area array sensor; Can be provided with observation diaphragm (108) between said picture receiver (106) and the said spectral module (102), can comprise said spectral module (102), observation diaphragm (108), picture receiver (106) in the said optical movement module (107), said picture receiver (106) can partly or entirely make public.
8. eye imaging device according to claim 1; It is characterized in that; Said picture receiver (106) is when being area array sensor; Can be provided with observation diaphragm (108) between said picture receiver (106) and the said spectral module (102), can comprise said spectral module (102), observation diaphragm (108), said light source module (101) in the said optical movement module (107), said picture receiver (106) can partly or entirely make public.
9. according to claim 2,3,4,5,6,7 or 8 described eye imaging devices; It is characterized in that; Said picture receiver (106) is when being area array sensor; After partly or entirely making public; Said picture receiver (106) and said picture receiver driver module (202), control treatment display module (203) order are carried out signal and are connected, and the electronic signal information that said control treatment display module (203) can splice the said core exposure area (200) that said picture receiver driver module (202) transmits is all or part of with the eyes image (300) that forms bigger zone, and processing, write down or show.
10. eye imaging device according to claim 1 is characterized in that, said picture receiver (106) can comprise said spectral module (102), picture receiver (106) in the said optical movement module (107) when being line array sensor.
11. according to claim 2,4,6,7 or 10 described eye imaging devices; It is characterized in that; Said light source power supply module (201) can directly be carried out synchronizing signal with motion driver module (204) and is connected, with the brightness according to the said light source module of position compensation (101) of said optical movement module (107); Perhaps can also connect said light source power supply module (201) and said motion driver module (204), with the luminosity compensation of controlling said light source power supply module (201) and the synchronized movement of said optical movement module (102) by said control treatment display module (203); Perhaps can also utilize said control treatment display module (203) regulate to handle the electronic signal of the said core exposure area (200) that said picture receiver (106) transmits, to carry out luminance compensation.
12. eye imaging device according to claim 1; It is characterized in that; Said picture receiver (106) can comprise said spectral module (102), light source module (101), said picture receiver (106) in the said optical movement module (107) when being line array sensor.
13. according to claim 10 or 12 described eye imaging devices; It is characterized in that; Said picture receiver (106) is when being line array sensor; Can burn-out, optical signal is converted into electronic signal, said picture receiver (106) carries out signal and is connected with said picture receiver driver module (202), control treatment display module (203) order; The electronic signal information that said control treatment display module (203) can splice the said core exposure area (200) that said picture receiver driver module (202) transmits is all or part of with the eyes image (300) that forms bigger zone, and handles, writes down or show.
14. according to claim 1,2,3,4,5,6,7,8,10 or 12 described eye imaging devices; It is characterized in that; Said light source module (101) is comprising on the basis of light source device, can also all or part ofly comprise condenser lens group, light balancing device, illumination diaphragm.
15., it is characterized in that the emergent ray of said light source module (101) preferably can form band light source according to claim 1,2,3,4,5,6,7,8,10 or 12 described eye imaging devices.
16., it is characterized in that said spectral module (102) can be an Amici prism, also can be plane beam splitter, to reflect by a certain percentage and transmitted ray according to claim 1,2,3,4,5,6,7,8,10 or 12 described eye imaging devices.
17., it is characterized in that said common optical pathways module (103) can comprise the projectoscope group and connect an object lens according to claim 1,2,3,4,5,6,7,8,10 or 12 described eye imaging devices.
18. according to claim 1,2,3,4,5,6,7,8,10 or 12 described eye imaging devices; It is characterized in that; The motion of said optical movement module (107) preferably can be a uniform motion, so that realization is even to the illuminating effect of said eyes (104), all even imaging effect of exposure effect is even.
19., it is characterized in that the motion of said optical movement module (107) can be unidirectional once motion, also can be to move back and forth according to claim 1,2,3,4,5,6,7,8,10 or 12 described eye imaging devices.
20. according to claim 1,2,3,4,5,6,7,8,10 or 12 described eye imaging devices; It is characterized in that; Said control treatment display module (203) carries out signal with said motion driver module (204) and is connected, and controls the motion that said motion driver module (204) goes to drive said optical movement module (107).
21. according to claim 1,2,3,4,5,6,7,8,10 or 12 described eye imaging devices; It is characterized in that the light that said light source module (101) sends can also preferably scan irradiation to said optical fundus (105) through said spectral module (102), common optical pathways module (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202584269U CN202198573U (en) | 2011-07-21 | 2011-07-21 | Eye imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202584269U CN202198573U (en) | 2011-07-21 | 2011-07-21 | Eye imaging device |
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| CN202198573U true CN202198573U (en) | 2012-04-25 |
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| CN2011202584269U Withdrawn - After Issue CN202198573U (en) | 2011-07-21 | 2011-07-21 | Eye imaging device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102885607A (en) * | 2011-07-21 | 2013-01-23 | 上海美沃精密仪器有限公司 | Eye imaging system and method |
| CN105615826A (en) * | 2014-11-20 | 2016-06-01 | Gn尔听美公司 | Head mountable device for measuring eye movement having visible projection means |
-
2011
- 2011-07-21 CN CN2011202584269U patent/CN202198573U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102885607A (en) * | 2011-07-21 | 2013-01-23 | 上海美沃精密仪器有限公司 | Eye imaging system and method |
| CN102885607B (en) * | 2011-07-21 | 2014-10-29 | 上海美沃精密仪器有限公司 | Eye imaging system and method |
| CN105615826A (en) * | 2014-11-20 | 2016-06-01 | Gn尔听美公司 | Head mountable device for measuring eye movement having visible projection means |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP02 | Change in the address of a patent holder |
Address after: 200237 Shanghai city Minhang District Chunshen Road 1985 Lane 69 Building No. 2 A District Patentee after: Shanghai MediWorks Precision Instruments Co., Ltd. Address before: 200233 Shanghai Road, Guiping, No. 680 Venture Center building, room 33, building 817, room Patentee before: Shanghai MediWorks Precision Instruments Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20120425 Effective date of abandoning: 20141029 |
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| RGAV | Abandon patent right to avoid regrant |