DE2824201C2 - Automatische Fokussiervorrichtung - Google Patents
Automatische FokussiervorrichtungInfo
- Publication number
- DE2824201C2 DE2824201C2 DE2824201A DE2824201A DE2824201C2 DE 2824201 C2 DE2824201 C2 DE 2824201C2 DE 2824201 A DE2824201 A DE 2824201A DE 2824201 A DE2824201 A DE 2824201A DE 2824201 C2 DE2824201 C2 DE 2824201C2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- state
- storage capacitor
- transistor
- line
- 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
- 239000003990 capacitor Substances 0.000 claims description 52
- 230000008859 change Effects 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 2
- 238000005070 sampling Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 241000158147 Sator Species 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 101150087426 Gnal gene Proteins 0.000 description 1
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity 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
- G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
- G02B7/305—Systems for automatic generation of focusing signals using parallactic triangle with a base line using a scanner
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/804,111 US4107520A (en) | 1977-06-06 | 1977-06-06 | Continuous focus proportional controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2824201A1 DE2824201A1 (de) | 1978-12-14 |
| DE2824201C2 true DE2824201C2 (de) | 1987-03-05 |
Family
ID=25188209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2824201A Expired DE2824201C2 (de) | 1977-06-06 | 1978-06-02 | Automatische Fokussiervorrichtung |
Country Status (5)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247762A (en) * | 1978-11-30 | 1981-01-27 | Honeywell Inc. | Contrast sensing apparatus for automatic focus systems |
| IN153554B (US20110009641A1-20110113-C00116.png) * | 1979-06-29 | 1984-07-28 | Goodyear Tire & Rubber | |
| JPS5694334A (en) * | 1979-12-27 | 1981-07-30 | Asahi Optical Co Ltd | Automatic focusing camera |
| JPS56131406A (en) * | 1980-03-17 | 1981-10-15 | Yokohama Rubber Co Ltd:The | Pneumatic tire for automobile |
| DE3142133A1 (de) * | 1980-10-23 | 1982-05-27 | Ricoh Co., Ltd., Tokyo | Automatisches fokussiersystem |
| JPS5787704A (en) * | 1980-11-20 | 1982-06-01 | Bridgestone Corp | Pneumatic tire with reduced rolling resistance |
| US4461544A (en) * | 1980-12-04 | 1984-07-24 | Canon Kabushiki Kaisha | Autofocusing lens mounting |
| US4432620A (en) * | 1981-03-13 | 1984-02-21 | Ricoh Co., Ltd. | Lens motor drive device in automatic focusing camera |
| JPS5818611A (ja) * | 1981-07-28 | 1983-02-03 | Nippon Kogaku Kk <Nikon> | 自動焦点調節装置 |
| US4509841A (en) * | 1981-12-17 | 1985-04-09 | Canon Kabushiki Kaisha | Automatic focusing device |
| JPS58126204A (ja) * | 1982-01-21 | 1983-07-27 | Sumitomo Rubber Ind Ltd | 重車両用ラジアルタイヤ |
| JPS58167207A (ja) * | 1982-03-29 | 1983-10-03 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
| EP0128119B1 (de) * | 1983-06-01 | 1987-10-14 | Ciba-Geigy Ag | Verfahren und Vorrichtung zum Fokussieren eines Lichtstrahls, auf ein Objekt |
| JPH11132763A (ja) * | 1997-08-28 | 1999-05-21 | Fuji Electric Co Ltd | 測距方法 |
| CN102749332B (zh) * | 2011-04-18 | 2015-08-26 | 通用电气公司 | 光学系统和光学检测装置以及检测方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3764213A (en) * | 1972-05-08 | 1973-10-09 | Hughes Aircraft Co | Return-wave, phase controlled adaptive array |
| US3838275A (en) * | 1973-07-18 | 1974-09-24 | Honeywell Inc | Detecting apparatus for determining when image is in focus |
| JPS5746524B2 (US20110009641A1-20110113-C00116.png) | 1974-06-10 | 1982-10-04 | ||
| US4002899A (en) * | 1974-12-04 | 1977-01-11 | Honeywell Inc. | Focus detecting apparatus |
| DE2728236B2 (de) | 1977-06-23 | 1980-09-18 | Wolfgang Dr. 3300 Braunschweig Hirsch | Stabilisierte diagnostische Zubereitung zum Nachweis von Urobilinogen |
-
1977
- 1977-06-06 US US05/804,111 patent/US4107520A/en not_active Expired - Lifetime
-
1978
- 1978-05-25 CA CA304,069A patent/CA1102596A/en not_active Expired
- 1978-05-31 GB GB25194/78A patent/GB1582050A/en not_active Expired
- 1978-06-02 DE DE2824201A patent/DE2824201C2/de not_active Expired
- 1978-06-06 JP JP6736178A patent/JPS544121A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6115405B2 (US20110009641A1-20110113-C00116.png) | 1986-04-24 |
| CA1102596A (en) | 1981-06-09 |
| DE2824201A1 (de) | 1978-12-14 |
| US4107520A (en) | 1978-08-15 |
| JPS544121A (en) | 1979-01-12 |
| GB1582050A (en) | 1980-12-31 |
Similar Documents
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|---|---|---|
| DE2824201C2 (de) | Automatische Fokussiervorrichtung | |
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| DE3210885C2 (de) | Belichtungssteuereinrichtung für eine Kamera mit Lichtmessung durch das Objektiv | |
| DE2449538C3 (US20110009641A1-20110113-C00116.png) | ||
| DE3141991C2 (US20110009641A1-20110113-C00116.png) | ||
| DE3311017C2 (de) | Belichtungssteuerschaltung für eine Kamera mit TTL-Lichtmessung und automatischem TTL-Blitzgerät |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: G03B 3/10 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |