JPH021287B2 - - Google Patents
Info
- Publication number
- JPH021287B2 JPH021287B2 JP58059602A JP5960283A JPH021287B2 JP H021287 B2 JPH021287 B2 JP H021287B2 JP 58059602 A JP58059602 A JP 58059602A JP 5960283 A JP5960283 A JP 5960283A JP H021287 B2 JPH021287 B2 JP H021287B2
- Authority
- JP
- Japan
- Prior art keywords
- focus state
- signal
- focus
- light
- optical system
- 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
- 238000003384 imaging method Methods 0.000 claims description 51
- 230000003287 optical effect Effects 0.000 claims description 37
- 238000001514 detection method Methods 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 8
- 101000685663 Homo sapiens Sodium/nucleoside cotransporter 1 Proteins 0.000 description 7
- 102100023116 Sodium/nucleoside cotransporter 1 Human genes 0.000 description 7
- 230000000630 rising effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 101000822028 Homo sapiens Solute carrier family 28 member 3 Proteins 0.000 description 4
- 102100021470 Solute carrier family 28 member 3 Human genes 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 101100028092 Drosophila melanogaster Or22a gene Proteins 0.000 description 3
- 101100406487 Drosophila melanogaster Or47a gene Proteins 0.000 description 3
- 101000821827 Homo sapiens Sodium/nucleoside cotransporter 2 Proteins 0.000 description 2
- 101100272680 Paracentrotus lividus BP10 gene Proteins 0.000 description 2
- 102100021541 Sodium/nucleoside cotransporter 2 Human genes 0.000 description 2
- TVZRAEYQIKYCPH-UHFFFAOYSA-N 3-(trimethylsilyl)propane-1-sulfonic acid Chemical compound C[Si](C)(C)CCCS(O)(=O)=O TVZRAEYQIKYCPH-UHFFFAOYSA-N 0.000 description 1
- 101100028093 Drosophila melanogaster Or22b gene Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004904 shortening Methods 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
- G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
- G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58059602A JPS59184311A (ja) | 1983-04-04 | 1983-04-04 | 合焦装置 |
| US06/596,508 US4579438A (en) | 1983-04-04 | 1984-04-03 | Focusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58059602A JPS59184311A (ja) | 1983-04-04 | 1983-04-04 | 合焦装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59184311A JPS59184311A (ja) | 1984-10-19 |
| JPH021287B2 true JPH021287B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-01-11 |
Family
ID=13117962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58059602A Granted JPS59184311A (ja) | 1983-04-04 | 1983-04-04 | 合焦装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4579438A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| JP (1) | JPS59184311A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4868591A (en) * | 1987-08-04 | 1989-09-19 | Fuji Photo Film Co., Ltd. | Photodetector element for optical rangefinders |
| JP2676759B2 (ja) * | 1988-02-08 | 1997-11-17 | 株式会社ニコン | アクティブ測距装置 |
| US8760563B2 (en) | 2010-10-19 | 2014-06-24 | Hand Held Products, Inc. | Autofocusing optical imaging device |
| US8692927B2 (en) | 2011-01-19 | 2014-04-08 | Hand Held Products, Inc. | Imaging terminal having focus control |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4065778A (en) * | 1976-06-17 | 1977-12-27 | Eastman Kodak Company | Automatic rangefinder and focusing apparatus |
| JPS5694335A (en) * | 1979-12-27 | 1981-07-30 | Asahi Optical Co Ltd | Automatic focusing camera |
| JPS57188026A (en) * | 1981-05-14 | 1982-11-18 | Minolta Camera Co Ltd | Driving device for photographing lens of automatic focusing camera |
-
1983
- 1983-04-04 JP JP58059602A patent/JPS59184311A/ja active Granted
-
1984
- 1984-04-03 US US06/596,508 patent/US4579438A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59184311A (ja) | 1984-10-19 |
| US4579438A (en) | 1986-04-01 |
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