JPS5635844B2 - - Google Patents
Info
- Publication number
- JPS5635844B2 JPS5635844B2 JP12203472A JP12203472A JPS5635844B2 JP S5635844 B2 JPS5635844 B2 JP S5635844B2 JP 12203472 A JP12203472 A JP 12203472A JP 12203472 A JP12203472 A JP 12203472A JP S5635844 B2 JPS5635844 B2 JP S5635844B2
- Authority
- JP
- Japan
- 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
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
- G02B7/343—Systems for automatic generation of focusing signals using different areas in a pupil plane using light beam separating prisms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12203472A JPS5635844B2 (ja) | 1972-12-07 | 1972-12-07 | |
US420337A US3896457A (en) | 1972-12-07 | 1973-11-29 | Automatic focusing device |
DE2359935A DE2359935A1 (de) | 1972-12-07 | 1973-12-01 | Automatische fokussiereinrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12203472A JPS5635844B2 (ja) | 1972-12-07 | 1972-12-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4979527A JPS4979527A (ja) | 1974-08-01 |
JPS5635844B2 true JPS5635844B2 (ja) | 1981-08-20 |
Family
ID=14825942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12203472A Expired JPS5635844B2 (ja) | 1972-12-07 | 1972-12-07 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3896457A (ja) |
JP (1) | JPS5635844B2 (ja) |
DE (1) | DE2359935A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2437282C2 (de) * | 1974-08-02 | 1983-05-05 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Einrichtung zur fotoelektrischen Bestimmung der Lage einer Schärfenebene eines Bildes |
JPS5172329A (en) * | 1974-12-19 | 1976-06-23 | Minolta Camera Kk | Jidoshotenkenshutsusochi |
US4090209A (en) * | 1975-12-26 | 1978-05-16 | Fuji Photo Film Co., Ltd. | Automatic image focusing system for cameras |
JPS539118A (en) * | 1976-07-13 | 1978-01-27 | Sankyo Kougaku Kougiyou Kk | Camera with automatic focusing unit |
US4199244A (en) * | 1976-10-04 | 1980-04-22 | Polaroid Corporation | Automatic focusing camera |
USRE31219E (en) * | 1976-10-04 | 1983-04-26 | Polaroid Corporation | Automatic focusing camera |
JPS5642654Y2 (ja) * | 1976-10-29 | 1981-10-06 | ||
JPS53123125A (en) * | 1977-04-04 | 1978-10-27 | Fuji Photo Film Co Ltd | Focal point detecting device |
JPS5499624A (en) * | 1978-01-24 | 1979-08-06 | Seiko Koki Kk | Camera with electronic shutter having automatic focus detector |
JPS58120226A (ja) * | 1982-01-12 | 1983-07-18 | Asahi Optical Co Ltd | オ−トフオ−カスカメラ |
US4575764A (en) * | 1983-11-07 | 1986-03-11 | Honeywell Inc. | Video camera auto focus |
US4855777A (en) * | 1987-03-02 | 1989-08-08 | Canon Kabushiki Kaisha | Apparatus for detecting the focus adjusted state of an objective lens |
JPH0817452B2 (ja) * | 1989-01-30 | 1996-02-21 | 松下電器産業株式会社 | 自動焦点調節装置 |
JP2915929B2 (ja) * | 1989-07-11 | 1999-07-05 | 旭光学工業株式会社 | カメラのレンズ駆動装置 |
US8602782B2 (en) | 2009-11-24 | 2013-12-10 | Zimmer Dental, Inc. | Porous implant device with improved core |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2156617A1 (de) * | 1971-11-15 | 1973-05-24 | Leitz Ernst Gmbh | Einrichtung zur bildkorrelation |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1243006B (de) * | 1965-03-04 | 1967-06-22 | Voigtlaender Ag | Verfahren und Vorrichtung zum selbsttaetigen Scharfeinstellen optischer Geraete |
US3511156A (en) * | 1965-11-26 | 1970-05-12 | Hycon Mfg Co | Automatic focus detector |
US3450018A (en) * | 1966-08-30 | 1969-06-17 | Bell & Howell Co | Automatic focusing apparatus |
JPS4835487B1 (ja) * | 1969-09-29 | 1973-10-29 | ||
JPS4840089B1 (ja) * | 1969-11-27 | 1973-11-28 | ||
US3691922A (en) * | 1971-01-04 | 1972-09-19 | Pentacon Dresden Veb | A method and apparatus of contrast-dependent sharp focussing |
-
1972
- 1972-12-07 JP JP12203472A patent/JPS5635844B2/ja not_active Expired
-
1973
- 1973-11-29 US US420337A patent/US3896457A/en not_active Expired - Lifetime
- 1973-12-01 DE DE2359935A patent/DE2359935A1/de not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2156617A1 (de) * | 1971-11-15 | 1973-05-24 | Leitz Ernst Gmbh | Einrichtung zur bildkorrelation |
Also Published As
Publication number | Publication date |
---|---|
US3896457A (en) | 1975-07-22 |
DE2359935A1 (de) | 1974-06-20 |
JPS4979527A (ja) | 1974-08-01 |