JPS52115A - Focus control device - Google Patents
Focus control deviceInfo
- Publication number
- JPS52115A JPS52115A JP50077368A JP7736875A JPS52115A JP S52115 A JPS52115 A JP S52115A JP 50077368 A JP50077368 A JP 50077368A JP 7736875 A JP7736875 A JP 7736875A JP S52115 A JPS52115 A JP S52115A
- Authority
- JP
- Japan
- Prior art keywords
- control device
- focus control
- picture
- signal
- vicinity
- 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
Landscapes
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Abstract
PURPOSE: To control focus by detecting maximum value of output signal from the difference between a video signal representing part of picture and a signal displaying part in the vicinity of part of the picture.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50077368A JPS52115A (en) | 1975-06-23 | 1975-06-23 | Focus control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50077368A JPS52115A (en) | 1975-06-23 | 1975-06-23 | Focus control device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52115A true JPS52115A (en) | 1977-01-05 |
Family
ID=13631948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50077368A Pending JPS52115A (en) | 1975-06-23 | 1975-06-23 | Focus control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52115A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6079876U (en) * | 1983-11-02 | 1985-06-03 | 三洋電機株式会社 | Auto focus control circuit |
-
1975
- 1975-06-23 JP JP50077368A patent/JPS52115A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6079876U (en) * | 1983-11-02 | 1985-06-03 | 三洋電機株式会社 | Auto focus control circuit |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5378716A (en) | Magnetic picture recorder/reproducer | |
JPS5416928A (en) | Color killer circuit for magnetic picture recorder/reproducer | |
JPS5279729A (en) | Color adjusting circuit of color television | |
JPS5212517A (en) | Binalizing device of video signal | |
JPS5295224A (en) | Flash illumination means | |
JPS52115A (en) | Focus control device | |
JPS5232627A (en) | Picture input equipment | |
JPS5216918A (en) | Gata pulse generating device | |
JPS5231608A (en) | Picture signal quantization system | |
JPS5216922A (en) | Image conversion device | |
JPS51134557A (en) | Automatic video signal contrast and brightness adjustment | |
JPS5227313A (en) | Automated picture tone control photographing method and its device | |
JPS52110030A (en) | Detector for distinctness of object image | |
JPS51133031A (en) | Electronic photograph device | |
JPS53106515A (en) | Signal adjuster | |
JPS5220749A (en) | Synchronizing detection circuit | |
JPS51138117A (en) | Operation system of picture memory | |
JPS5339831A (en) | Video input unit | |
JPS5352420A (en) | Warning device of camera | |
JPS52104245A (en) | Automatic focusing device | |
JPS5275110A (en) | Sampling device | |
JPS5394826A (en) | Control device for input/output signal | |
JPS52127117A (en) | Vided amplifier | |
JPS5361224A (en) | Color pickup device | |
JPS5435630A (en) | Picture display line control system |