JPS649855B2 - - Google Patents
Info
- Publication number
- JPS649855B2 JPS649855B2 JP56062964A JP6296481A JPS649855B2 JP S649855 B2 JPS649855 B2 JP S649855B2 JP 56062964 A JP56062964 A JP 56062964A JP 6296481 A JP6296481 A JP 6296481A JP S649855 B2 JPS649855 B2 JP S649855B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- index
- output
- detection section
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 44
- 230000005856 abnormality Effects 0.000 claims description 28
- 230000003287 optical effect Effects 0.000 description 22
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000004397 blinking Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 210000001747 pupil Anatomy 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56062964A JPS57175346A (en) | 1981-04-24 | 1981-04-24 | Automatic focusing apparatus of ophthalmic machine |
US06/370,491 US4469416A (en) | 1981-04-24 | 1982-04-21 | Automatic focusing means for an ophthalmoscopic instrument |
DE19823215483 DE3215483A1 (de) | 1981-04-24 | 1982-04-26 | Augenuntersuchungsinstrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56062964A JPS57175346A (en) | 1981-04-24 | 1981-04-24 | Automatic focusing apparatus of ophthalmic machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57175346A JPS57175346A (en) | 1982-10-28 |
JPS649855B2 true JPS649855B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-02-20 |
Family
ID=13215517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56062964A Granted JPS57175346A (en) | 1981-04-24 | 1981-04-24 | Automatic focusing apparatus of ophthalmic machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57175346A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59156324A (ja) * | 1983-02-25 | 1984-09-05 | 株式会社トプコン | 眼科器械の信号検出装置 |
JPS59183727A (ja) * | 1983-04-02 | 1984-10-18 | 株式会社トプコン | 眼科器械の合焦検出装置 |
JPS6077737A (ja) * | 1983-10-04 | 1985-05-02 | 株式会社トプコン | 眼科用撮影装置の露光制御装置 |
JPS61168330A (ja) * | 1985-01-22 | 1986-07-30 | 株式会社トプコン | 自動眼屈折力測定装置 |
JPS61168329A (ja) * | 1985-01-22 | 1986-07-30 | 株式会社トプコン | 眼屈折力測定装置 |
JPH067818B2 (ja) * | 1985-05-17 | 1994-02-02 | 株式会社トプコン | 眼屈折力測定装置 |
JPH0613022B2 (ja) * | 1986-04-09 | 1994-02-23 | 興和株式会社 | 眼科検査装置 |
JP2913555B2 (ja) * | 1988-12-23 | 1999-06-28 | 株式会社トプコン | 眼底カメラ |
JP4834452B2 (ja) * | 2006-04-21 | 2011-12-14 | 興和株式会社 | 眼底撮影装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49150896U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-04-08 | 1974-12-27 | ||
JPS5596139A (en) * | 1979-01-19 | 1980-07-22 | Canon Kk | Ophthalmologic inspection device |
-
1981
- 1981-04-24 JP JP56062964A patent/JPS57175346A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57175346A (en) | 1982-10-28 |