DE3218797A1 - Scharfeinstellanzeigeeinrichtung - Google Patents
ScharfeinstellanzeigeeinrichtungInfo
- Publication number
- DE3218797A1 DE3218797A1 DE3218797A DE3218797A DE3218797A1 DE 3218797 A1 DE3218797 A1 DE 3218797A1 DE 3218797 A DE3218797 A DE 3218797A DE 3218797 A DE3218797 A DE 3218797A DE 3218797 A1 DE3218797 A1 DE 3218797A1
- Authority
- DE
- Germany
- Prior art keywords
- focusing indicator
- focusing
- indicator
- 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.)
- Granted
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
- G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/18—Signals indicating condition of a camera member or suitability of light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Optics & Photonics (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56076355A JPS57190936A (en) | 1981-05-20 | 1981-05-20 | Focusing display device of camera |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3218797A1 true DE3218797A1 (de) | 1982-12-30 |
DE3218797C2 DE3218797C2 (de) | 1984-11-15 |
Family
ID=13603049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3218797A Expired DE3218797C2 (de) | 1981-05-20 | 1982-05-18 | Akustische Scharfeinstell-Anzeigeeinrichtung für eine Kamera |
Country Status (3)
Country | Link |
---|---|
US (1) | US4466726A (de) |
JP (1) | JPS57190936A (de) |
DE (1) | DE3218797C2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4326898A1 (de) * | 1993-08-11 | 1995-02-16 | Thomson Brandt Gmbh | Verfahren zur Auswertung von erfaßten Bildsignalen für eine Bildschärfenanzeige |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59134141U (ja) * | 1983-02-25 | 1984-09-07 | ミノルタ株式会社 | カメラの報知装置 |
JPS59232308A (ja) * | 1983-06-15 | 1984-12-27 | Minolta Camera Co Ltd | 自動合焦装置 |
US5192966A (en) * | 1986-03-31 | 1993-03-09 | Minolta Camera Kabushiki Kaisha | Automatic focus control device |
JP2511409B2 (ja) * | 1986-03-31 | 1996-06-26 | ミノルタ株式会社 | 自動焦点調節装置 |
US4924250A (en) * | 1986-03-31 | 1990-05-08 | Minolta Camera Kabushiki Kaisha | Automatic focus control device |
US5196881A (en) * | 1986-03-31 | 1993-03-23 | Minolta Camera Kabushiki Kaisha | Automatic focus control device |
JPH06201983A (ja) * | 1992-12-28 | 1994-07-22 | Canon Inc | 焦点検出装置 |
JPH0875984A (ja) * | 1994-09-06 | 1996-03-22 | Nikon Corp | 音声装置付き自動焦点カメラ |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3005043A1 (de) * | 1979-02-13 | 1980-08-14 | Asahi Optical Co Ltd | Automatische fokussierungsanzeigevorrichtung fuer eine kamera |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5233527A (en) * | 1975-09-09 | 1977-03-14 | Asahi Optical Co Ltd | Single lens reflex camera |
JPS56110419U (de) * | 1980-01-28 | 1981-08-26 |
-
1981
- 1981-05-20 JP JP56076355A patent/JPS57190936A/ja active Granted
-
1982
- 1982-04-16 US US06/369,178 patent/US4466726A/en not_active Expired - Lifetime
- 1982-05-18 DE DE3218797A patent/DE3218797C2/de not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3005043A1 (de) * | 1979-02-13 | 1980-08-14 | Asahi Optical Co Ltd | Automatische fokussierungsanzeigevorrichtung fuer eine kamera |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4326898A1 (de) * | 1993-08-11 | 1995-02-16 | Thomson Brandt Gmbh | Verfahren zur Auswertung von erfaßten Bildsignalen für eine Bildschärfenanzeige |
Also Published As
Publication number | Publication date |
---|---|
JPS57190936A (en) | 1982-11-24 |
DE3218797C2 (de) | 1984-11-15 |
JPH0228853B2 (de) | 1990-06-26 |
US4466726A (en) | 1984-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8125 | Change of the main classification |
Ipc: G02B 7/11 |
|
8126 | Change of the secondary classification |
Free format text: G03B 17/18 G03B 3/10 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |