JPS5315711A - Picture signal processing circuit - Google Patents
Picture signal processing circuitInfo
- Publication number
- JPS5315711A JPS5315711A JP8987976A JP8987976A JPS5315711A JP S5315711 A JPS5315711 A JP S5315711A JP 8987976 A JP8987976 A JP 8987976A JP 8987976 A JP8987976 A JP 8987976A JP S5315711 A JPS5315711 A JP S5315711A
- Authority
- JP
- Japan
- Prior art keywords
- picture signal
- processing circuit
- signal processing
- discrimination
- comparator
- 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
Landscapes
- Facsimile Image Signal Circuits (AREA)
- Manipulation Of Pulses (AREA)
Abstract
PURPOSE: To secure a discrimination of the black signal even when the peak value detection is impossible for a picture signal by giving a level shift to either the threshold potential or the picture signal input to the comparator, and thus to obtain a picture signal processing circuit which features a constantly stabilized.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8987976A JPS5315711A (en) | 1976-07-28 | 1976-07-28 | Picture signal processing circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8987976A JPS5315711A (en) | 1976-07-28 | 1976-07-28 | Picture signal processing circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5315711A true JPS5315711A (en) | 1978-02-14 |
JPS6226225B2 JPS6226225B2 (en) | 1987-06-08 |
Family
ID=13983045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8987976A Granted JPS5315711A (en) | 1976-07-28 | 1976-07-28 | Picture signal processing circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5315711A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS568961A (en) * | 1979-07-05 | 1981-01-29 | Nec Corp | Shading correcting circuit |
JPS583317A (en) * | 1981-06-29 | 1983-01-10 | Nec Corp | Envelope tracking type slice level generating circuit |
-
1976
- 1976-07-28 JP JP8987976A patent/JPS5315711A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS568961A (en) * | 1979-07-05 | 1981-01-29 | Nec Corp | Shading correcting circuit |
JPS583317A (en) * | 1981-06-29 | 1983-01-10 | Nec Corp | Envelope tracking type slice level generating circuit |
Also Published As
Publication number | Publication date |
---|---|
JPS6226225B2 (en) | 1987-06-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS57150277A (en) | Image signal processing circuit | |
JPS57124723A (en) | Perforation detector for film | |
JPS5315711A (en) | Picture signal processing circuit | |
JPS5244120A (en) | Color information detection circuit | |
JPS53136424A (en) | Correlative processing system for picture signal | |
JPS541035A (en) | Recorder | |
JPS5310915A (en) | Binary signal detecting circuit | |
JPS5326115A (en) | Detector for multiple si gnal combination state | |
JPS51116611A (en) | Binary threshold decision circuit system | |
JPS5374841A (en) | Television signal processor | |
JPS51128230A (en) | Picture element pattern conversion system | |
JPS5251835A (en) | Information processing unit | |
JPS5411625A (en) | Processing system for video signal | |
JPS5512538A (en) | Detection method for stylus skip | |
JPS5383515A (en) | Quantization circuit for picture signal | |
JPS52155913A (en) | Threshold circuit | |
JPS5311051A (en) | Object detector | |
JPS5315171A (en) | Signal level detection circuit | |
JPS5366114A (en) | Singnal processing system of facsimile equipment | |
JPS5373904A (en) | Signal detector | |
JPS538173A (en) | Peak point detection circuit | |
JPS5354418A (en) | Detection system of double-depressin of key | |
JPS5330857A (en) | Signal change detector circuit | |
JPS5399715A (en) | Video signal processing circuit | |
JPS5541090A (en) | Density judgment system for video information |