CN201001721Y - Anti-cheat eyesight test chart - Google Patents
Anti-cheat eyesight test chart Download PDFInfo
- Publication number
- CN201001721Y CN201001721Y CNU2007200666893U CN200720066689U CN201001721Y CN 201001721 Y CN201001721 Y CN 201001721Y CN U2007200666893 U CNU2007200666893 U CN U2007200666893U CN 200720066689 U CN200720066689 U CN 200720066689U CN 201001721 Y CN201001721 Y CN 201001721Y
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- Prior art keywords
- cheating
- visual acuity
- rotating cylinder
- acuity chart
- shutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
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Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200666893U CN201001721Y (en) | 2007-01-25 | 2007-01-25 | Anti-cheat eyesight test chart |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200666893U CN201001721Y (en) | 2007-01-25 | 2007-01-25 | Anti-cheat eyesight test chart |
Publications (1)
Publication Number | Publication Date |
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CN201001721Y true CN201001721Y (en) | 2008-01-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNU2007200666893U Expired - Fee Related CN201001721Y (en) | 2007-01-25 | 2007-01-25 | Anti-cheat eyesight test chart |
Country Status (1)
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CN (1) | CN201001721Y (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105996974A (en) * | 2016-06-25 | 2016-10-12 | 利辛县眼病防治所 | Portable and changeable visual acuity chart box |
CN106137114A (en) * | 2016-08-04 | 2016-11-23 | 刘德平 | A kind of medical treatment ophthalmic vision device for quick testing |
CN106137111A (en) * | 2016-06-25 | 2016-11-23 | 利辛县眼病防治所 | A kind of anti-cheating visual acuity chart and using method thereof |
CN106137110A (en) * | 2016-06-25 | 2016-11-23 | 利辛县眼病防治所 | A kind of visual acuity chart and using method thereof |
CN107260119A (en) * | 2017-06-23 | 2017-10-20 | 苏州奥特科然医疗科技有限公司 | A kind of Vission detector |
CN109199318A (en) * | 2018-09-29 | 2019-01-15 | 谢彩燕 | A kind of ophthalmology visual testing chart |
-
2007
- 2007-01-25 CN CNU2007200666893U patent/CN201001721Y/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105996974A (en) * | 2016-06-25 | 2016-10-12 | 利辛县眼病防治所 | Portable and changeable visual acuity chart box |
CN106137111A (en) * | 2016-06-25 | 2016-11-23 | 利辛县眼病防治所 | A kind of anti-cheating visual acuity chart and using method thereof |
CN106137110A (en) * | 2016-06-25 | 2016-11-23 | 利辛县眼病防治所 | A kind of visual acuity chart and using method thereof |
CN106137114A (en) * | 2016-08-04 | 2016-11-23 | 刘德平 | A kind of medical treatment ophthalmic vision device for quick testing |
CN107260119A (en) * | 2017-06-23 | 2017-10-20 | 苏州奥特科然医疗科技有限公司 | A kind of Vission detector |
CN109199318A (en) * | 2018-09-29 | 2019-01-15 | 谢彩燕 | A kind of ophthalmology visual testing chart |
CN109199318B (en) * | 2018-09-29 | 2020-12-22 | 王哲 | Ophthalmology eyesight test table |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: XIANG MIN ^ |
|
CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Xiang Min Number: 02 Page: The title page Volume: 24 |
|
CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Xiang Min Number: 02 Volume: 24 |
|
ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ^ TO: XIANG MIN ^ |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080109 |