JPS648778A - Video signal processing unit - Google Patents
Video signal processing unitInfo
- Publication number
- JPS648778A JPS648778A JP16464787A JP16464787A JPS648778A JP S648778 A JPS648778 A JP S648778A JP 16464787 A JP16464787 A JP 16464787A JP 16464787 A JP16464787 A JP 16464787A JP S648778 A JPS648778 A JP S648778A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- outputted
- video
- primary color
- 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 enjoy an abstract video image by switching an output being the result of video signal processing to a TV video signal and a primary color signal from a connector so as to extract the abstract video image. CONSTITUTION:An output signal of a video intermediate frequency amplifier circuit VIF 3 is outputted to a video signal processing circuit 5 and outputted to a synchronizing separator circuit 11 via connectors 4, 10. A horizontal synchronizing signal Hs and a vertical synchronizing signal Vs are obtained from the circuit 11 and outputted to sawtooth generating circuits 12, 13, from which a sawtooth wave is obtained. The obtained horizontal and vertical sawtooth wave signals are input to a pulse synthesis circuit 18 via voltage comparator circuits 14, 16 and an extraction signal Ys is obtained. An abstract video image is displayed on a CRT 8 by using the extraction signal Ys so as to switch the primary color signal outputted from the circuit 5 and the primary color signal given from the connector 10 by means of the signal switching circuit 6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16464787A JPS648778A (en) | 1987-06-30 | 1987-06-30 | Video signal processing unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16464787A JPS648778A (en) | 1987-06-30 | 1987-06-30 | Video signal processing unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS648778A true JPS648778A (en) | 1989-01-12 |
Family
ID=15797154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16464787A Pending JPS648778A (en) | 1987-06-30 | 1987-06-30 | Video signal processing unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS648778A (en) |
-
1987
- 1987-06-30 JP JP16464787A patent/JPS648778A/en active Pending
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