JPS6464474A - Video signal processing system - Google Patents
Video signal processing systemInfo
- Publication number
- JPS6464474A JPS6464474A JP62221153A JP22115387A JPS6464474A JP S6464474 A JPS6464474 A JP S6464474A JP 62221153 A JP62221153 A JP 62221153A JP 22115387 A JP22115387 A JP 22115387A JP S6464474 A JPS6464474 A JP S6464474A
- Authority
- JP
- Japan
- Prior art keywords
- written
- video signal
- image pickup
- signal
- charge storing
- 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
Abstract
PURPOSE:To properly conduct out a video signal under a low illumination by lengthily-setting the storage time of an image pickup means variable in a charge storing time and repeatedly reading and outputting a signal written in a field memory. CONSTITUTION:At the time of impressing a low speed shutter designating signal, the charge storing time longer than the rate of a standard TV system is set to the image pickup circuit variable in the charge storing time through a driving circuit 33 by a system control circuit 70 and a switch 54 is switched to a contact (b) side simultaneously. Thereby, in an A/D converter 46, the image pickup signal of a completion one field is written in the field memory 48, repeatedly read during a period until a next one field is written, outputted via a D/A converter 50, a switch 54 and the proper video signal can be conducted out under the low illuminance.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62221153A JPS6464474A (en) | 1987-09-03 | 1987-09-03 | Video signal processing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62221153A JPS6464474A (en) | 1987-09-03 | 1987-09-03 | Video signal processing system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6464474A true JPS6464474A (en) | 1989-03-10 |
Family
ID=16762305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62221153A Pending JPS6464474A (en) | 1987-09-03 | 1987-09-03 | Video signal processing system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6464474A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04170175A (en) * | 1990-11-02 | 1992-06-17 | Canon Inc | Driver for solid-state image pickup element |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS574672A (en) * | 1980-06-11 | 1982-01-11 | Hitachi Ltd | Solid-state pickup device |
JPS5937778A (en) * | 1982-08-25 | 1984-03-01 | Asahi Hoso Kk | Variable exposure television camera device |
-
1987
- 1987-09-03 JP JP62221153A patent/JPS6464474A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS574672A (en) * | 1980-06-11 | 1982-01-11 | Hitachi Ltd | Solid-state pickup device |
JPS5937778A (en) * | 1982-08-25 | 1984-03-01 | Asahi Hoso Kk | Variable exposure television camera device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04170175A (en) * | 1990-11-02 | 1992-06-17 | Canon Inc | Driver for solid-state image pickup element |
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