GB2033593B - Camera with photoelectric focus detecting device - Google Patents
Camera with photoelectric focus detecting deviceInfo
- Publication number
- GB2033593B GB2033593B GB7934173A GB7934173A GB2033593B GB 2033593 B GB2033593 B GB 2033593B GB 7934173 A GB7934173 A GB 7934173A GB 7934173 A GB7934173 A GB 7934173A GB 2033593 B GB2033593 B GB 2033593B
- Authority
- GB
- United Kingdom
- Prior art keywords
- camera
- detecting device
- focus detecting
- photoelectric
- photoelectric focus
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7934173A GB2033593B (en) | 1979-10-02 | 1979-10-02 | Camera with photoelectric focus detecting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7934173A GB2033593B (en) | 1979-10-02 | 1979-10-02 | Camera with photoelectric focus detecting device |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2033593A GB2033593A (en) | 1980-05-21 |
GB2033593B true GB2033593B (en) | 1983-03-30 |
Family
ID=10508240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7934173A Expired GB2033593B (en) | 1979-10-02 | 1979-10-02 | Camera with photoelectric focus detecting device |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2033593B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2181262B (en) | 1985-10-02 | 1989-12-13 | Canon Kk | Automatic focusing system |
DE68929203T2 (en) * | 1988-07-29 | 2000-11-30 | Canon Kk | Automatic focus adjusting device in the camera system |
KR970006279B1 (en) * | 1993-06-11 | 1997-04-25 | 삼성항공산업 주식회사 | Camera having a short auto-focusing zone and control method of the same |
US5943514A (en) * | 1996-07-19 | 1999-08-24 | Asahi Kogaku Kogyo Kabushiki Kaisha | Focusing system |
-
1979
- 1979-10-02 GB GB7934173A patent/GB2033593B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2033593A (en) | 1980-05-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19931002 |