JPH0352607B2 - - Google Patents
Info
- Publication number
- JPH0352607B2 JPH0352607B2 JP57175686A JP17568682A JPH0352607B2 JP H0352607 B2 JPH0352607 B2 JP H0352607B2 JP 57175686 A JP57175686 A JP 57175686A JP 17568682 A JP17568682 A JP 17568682A JP H0352607 B2 JPH0352607 B2 JP H0352607B2
- Authority
- JP
- Japan
- Prior art keywords
- focus
- determined
- evaluation function
- value
- receiving element
- 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 - Lifetime
Links
- 238000011156 evaluation Methods 0.000 claims description 44
- 238000001514 detection method Methods 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000003491 array Methods 0.000 claims description 5
- 230000006870 function Effects 0.000 description 38
- 230000015654 memory Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17568682A JPS5965813A (ja) | 1982-10-06 | 1982-10-06 | 合焦検出方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17568682A JPS5965813A (ja) | 1982-10-06 | 1982-10-06 | 合焦検出方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5965813A JPS5965813A (ja) | 1984-04-14 |
JPH0352607B2 true JPH0352607B2 (zh) | 1991-08-12 |
Family
ID=16000461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17568682A Granted JPS5965813A (ja) | 1982-10-06 | 1982-10-06 | 合焦検出方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5965813A (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5557097A (en) * | 1994-09-20 | 1996-09-17 | Neopath, Inc. | Cytological system autofocus integrity checking apparatus |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50103335A (zh) * | 1974-01-14 | 1975-08-15 | ||
JPS5154432A (en) * | 1974-11-07 | 1976-05-13 | Asahi Optical Co Ltd | Shotenkenshutsusochi |
JPS51147336A (en) * | 1975-06-13 | 1976-12-17 | Hitachi Ltd | Auto-focus adjustment appliance for microscope |
-
1982
- 1982-10-06 JP JP17568682A patent/JPS5965813A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50103335A (zh) * | 1974-01-14 | 1975-08-15 | ||
JPS5154432A (en) * | 1974-11-07 | 1976-05-13 | Asahi Optical Co Ltd | Shotenkenshutsusochi |
JPS51147336A (en) * | 1975-06-13 | 1976-12-17 | Hitachi Ltd | Auto-focus adjustment appliance for microscope |
Also Published As
Publication number | Publication date |
---|---|
JPS5965813A (ja) | 1984-04-14 |
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