JPS57183186A - Focusing point detector - Google Patents
Focusing point detectorInfo
- Publication number
- JPS57183186A JPS57183186A JP56067312A JP6731281A JPS57183186A JP S57183186 A JPS57183186 A JP S57183186A JP 56067312 A JP56067312 A JP 56067312A JP 6731281 A JP6731281 A JP 6731281A JP S57183186 A JPS57183186 A JP S57183186A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- detection frame
- focusing
- comparator
- image pickup
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
- H04N23/633—Control of cameras or camera modules by using electronic viewfinders for displaying additional information relating to control or operation of the camera
- H04N23/635—Region indicators; Field of view indicators
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56067312A JPS57183186A (en) | 1981-05-02 | 1981-05-02 | Focusing point detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56067312A JPS57183186A (en) | 1981-05-02 | 1981-05-02 | Focusing point detector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57183186A true JPS57183186A (en) | 1982-11-11 |
Family
ID=13341369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56067312A Pending JPS57183186A (en) | 1981-05-02 | 1981-05-02 | Focusing point detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57183186A (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5997276A (ja) * | 1982-11-27 | 1984-06-05 | Sony Corp | ビデオカメラ |
JPS59107685A (ja) * | 1982-12-10 | 1984-06-21 | Sanyo Electric Co Ltd | フオ−カス制御エリア設定回路 |
EP0179455A2 (en) * | 1984-10-26 | 1986-04-30 | Sanyo Electric Co., Ltd. | Focus area change circuit |
JPS61123368A (ja) * | 1984-11-20 | 1986-06-11 | Canon Inc | カメラ |
EP0263510A2 (en) * | 1986-10-08 | 1988-04-13 | Canon Kabushiki Kaisha | Automatic focusing device |
JPS6428609A (en) * | 1987-07-24 | 1989-01-31 | Sony Corp | Automatic focus controller |
JPH01194764A (ja) * | 1988-01-29 | 1989-08-04 | Canon Inc | 電子カメラ |
EP0399232A2 (en) * | 1989-04-28 | 1990-11-28 | Casio Computer Company Limited | Camera apparatus capable of freely setting objective area within viewed subject |
FR2666949A1 (fr) * | 1990-09-19 | 1992-03-20 | Thomson Video Equip | Dispositif d'assistance a la mise au point optique d'une camera de television et camera munie d'un tel dispositif. |
-
1981
- 1981-05-02 JP JP56067312A patent/JPS57183186A/ja active Pending
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0530346B2 (ja) * | 1982-11-27 | 1993-05-07 | Sony Corp | |
JPS5997276A (ja) * | 1982-11-27 | 1984-06-05 | Sony Corp | ビデオカメラ |
JPS59107685A (ja) * | 1982-12-10 | 1984-06-21 | Sanyo Electric Co Ltd | フオ−カス制御エリア設定回路 |
JPH029509B2 (ja) * | 1982-12-10 | 1990-03-02 | Sanyo Electric Co | |
EP0179455A2 (en) * | 1984-10-26 | 1986-04-30 | Sanyo Electric Co., Ltd. | Focus area change circuit |
JPS61123368A (ja) * | 1984-11-20 | 1986-06-11 | Canon Inc | カメラ |
JPH0588593B2 (ja) * | 1984-11-20 | 1993-12-22 | Canon Kk | |
EP0263510A2 (en) * | 1986-10-08 | 1988-04-13 | Canon Kabushiki Kaisha | Automatic focusing device |
JPS6428609A (en) * | 1987-07-24 | 1989-01-31 | Sony Corp | Automatic focus controller |
JPH01194764A (ja) * | 1988-01-29 | 1989-08-04 | Canon Inc | 電子カメラ |
EP0399232A2 (en) * | 1989-04-28 | 1990-11-28 | Casio Computer Company Limited | Camera apparatus capable of freely setting objective area within viewed subject |
FR2666949A1 (fr) * | 1990-09-19 | 1992-03-20 | Thomson Video Equip | Dispositif d'assistance a la mise au point optique d'une camera de television et camera munie d'un tel dispositif. |
US5343303A (en) * | 1990-09-19 | 1994-08-30 | Thomson Broadcast | Device for assistance in the optical focusing of a television camera, and camera provided with such a device |
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