JPS5154432A - Shotenkenshutsusochi - Google Patents
ShotenkenshutsusochiInfo
- Publication number
- JPS5154432A JPS5154432A JP49128384A JP12838474A JPS5154432A JP S5154432 A JPS5154432 A JP S5154432A JP 49128384 A JP49128384 A JP 49128384A JP 12838474 A JP12838474 A JP 12838474A JP S5154432 A JPS5154432 A JP S5154432A
- Authority
- JP
- Japan
- Prior art keywords
- shotenkenshutsusochi
- 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.)
- Pending
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
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 |
---|---|---|---|
JP49128384A JPS5154432A (en) | 1974-11-07 | 1974-11-07 | Shotenkenshutsusochi |
US05/629,433 US4045804A (en) | 1974-11-07 | 1975-11-06 | Focus detecting device |
DE2549905A DE2549905C3 (de) | 1974-11-07 | 1975-11-06 | Vorrichtung zur Scharfeinstellung eines Objektivs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49128384A JPS5154432A (en) | 1974-11-07 | 1974-11-07 | Shotenkenshutsusochi |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5154432A true JPS5154432A (en) | 1976-05-13 |
Family
ID=14983469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49128384A Pending JPS5154432A (en) | 1974-11-07 | 1974-11-07 | Shotenkenshutsusochi |
Country Status (3)
Country | Link |
---|---|
US (1) | US4045804A (ja) |
JP (1) | JPS5154432A (ja) |
DE (1) | DE2549905C3 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55111922A (en) * | 1979-02-15 | 1980-08-29 | Asahi Optical Co Ltd | Focus detection indicator of camera |
JPS5734509A (en) * | 1980-08-07 | 1982-02-24 | Asahi Optical Co Ltd | Automatic focusing detector of camera |
JPS5737336A (en) * | 1980-08-19 | 1982-03-01 | Asahi Optical Co Ltd | Automatic focus detector for camera |
JPS57158814A (en) * | 1981-03-27 | 1982-09-30 | Olympus Optical Co Ltd | Focusing detector |
JPS5965813A (ja) * | 1982-10-06 | 1984-04-14 | Olympus Optical Co Ltd | 合焦検出方式 |
JPS59210407A (ja) * | 1983-05-14 | 1984-11-29 | Asahi Optical Co Ltd | カメラの自動焦点検出装置 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53116852A (en) * | 1977-03-23 | 1978-10-12 | Olympus Optical Co Ltd | Automatic focus adjusting system |
FR2386832A1 (fr) * | 1977-04-05 | 1978-11-03 | Commissariat Energie Atomique | Procede de correction automatique de mise au point d'un microscope et un dispositif mettant en oeuvre ledit procede |
JPS6040603B2 (ja) * | 1977-12-22 | 1985-09-11 | 旭光学工業株式会社 | カメラの焦点検出装置 |
DE2845850A1 (de) * | 1978-10-20 | 1980-04-24 | Sick Optik Elektronik Erwin | Opto-elektronischer abstandstaster |
JPS5557809A (en) * | 1978-10-24 | 1980-04-30 | Olympus Optical Co Ltd | Focusing detection system |
DD146509A1 (de) * | 1979-11-29 | 1981-02-11 | Rolf Jurenz | Optische anordnung zur automatischen oder halbautomatischen scharfeinstellung fuer spiegelreflexkameras |
US4250377A (en) * | 1979-11-30 | 1981-02-10 | Honeywell Inc. | Low contrast bias auto focus system |
DK150470C (da) * | 1980-04-16 | 1987-12-14 | Eskofot As | Fremgangsmaade til indstilling af et reproduktionskamera |
DE3120830C2 (de) * | 1980-06-11 | 1985-02-14 | Asahi Kogaku Kogyo K.K., Tokio/Tokyo | Kamera mit Wechselobjektiven |
US4357533A (en) * | 1980-07-14 | 1982-11-02 | Discovision Associates | Focus detector for an optical disc playback system |
US4416523A (en) * | 1981-05-28 | 1983-11-22 | Canon Kabushiki Kaisha | Automatic focusing system |
CH672376A5 (ja) * | 1986-07-12 | 1989-11-15 | Wild Heerbrugg Ag | |
US6895123B2 (en) * | 2002-01-04 | 2005-05-17 | Chung-Shan Institute Of Science And Technology | Focus control method for Delta-Sigma based image formation device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1522162C3 (de) * | 1966-12-06 | 1975-08-21 | Ernst Leitz Gmbh, 6330 Wetzlar | Verfahren zur Entfernungseinstellung von photographischen Objektiven |
DE2105288B2 (de) * | 1970-02-14 | 1973-03-15 | Kabushiki Kaisha Ricoh, Tokio | Kamera mit automatischer scharfeinstellung |
US3883689A (en) * | 1973-09-04 | 1975-05-13 | Nasa | Servo-controlled intravital microscope system |
US3857031A (en) * | 1973-10-15 | 1974-12-24 | Nasa | Automatic focus control for facsimile cameras |
US3946222A (en) * | 1975-04-18 | 1976-03-23 | Xerox Corporation | Automatic focus with variable magnification |
-
1974
- 1974-11-07 JP JP49128384A patent/JPS5154432A/ja active Pending
-
1975
- 1975-11-06 US US05/629,433 patent/US4045804A/en not_active Expired - Lifetime
- 1975-11-06 DE DE2549905A patent/DE2549905C3/de not_active Expired
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55111922A (en) * | 1979-02-15 | 1980-08-29 | Asahi Optical Co Ltd | Focus detection indicator of camera |
JPS5734509A (en) * | 1980-08-07 | 1982-02-24 | Asahi Optical Co Ltd | Automatic focusing detector of camera |
JPH0340365B2 (ja) * | 1980-08-07 | 1991-06-18 | ||
JPS5737336A (en) * | 1980-08-19 | 1982-03-01 | Asahi Optical Co Ltd | Automatic focus detector for camera |
JPS6344205B2 (ja) * | 1980-08-19 | 1988-09-02 | Asahi Optical Co Ltd | |
JPS57158814A (en) * | 1981-03-27 | 1982-09-30 | Olympus Optical Co Ltd | Focusing detector |
JPH0377488B2 (ja) * | 1981-03-27 | 1991-12-10 | Olympus Optical Co | |
JPS5965813A (ja) * | 1982-10-06 | 1984-04-14 | Olympus Optical Co Ltd | 合焦検出方式 |
JPH0352607B2 (ja) * | 1982-10-06 | 1991-08-12 | Olympus Optical Co | |
JPS59210407A (ja) * | 1983-05-14 | 1984-11-29 | Asahi Optical Co Ltd | カメラの自動焦点検出装置 |
Also Published As
Publication number | Publication date |
---|---|
DE2549905B2 (de) | 1977-10-27 |
DE2549905C3 (de) | 1978-06-15 |
DE2549905A1 (de) | 1976-05-13 |
US4045804A (en) | 1977-08-30 |