JPS54118755A - Picture draw-in device - Google Patents
Picture draw-in deviceInfo
- Publication number
- JPS54118755A JPS54118755A JP2541478A JP2541478A JPS54118755A JP S54118755 A JPS54118755 A JP S54118755A JP 2541478 A JP2541478 A JP 2541478A JP 2541478 A JP2541478 A JP 2541478A JP S54118755 A JPS54118755 A JP S54118755A
- Authority
- JP
- Japan
- Prior art keywords
- video
- signal
- video signal
- written
- synchronous signal
- 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
- Image Input (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
PURPOSE: To reduce the jitter occurring when the picture image is drawn in by reading out the video signal from VTR with the synchronous signal from outside to be then written into the analog memory capable of controlling the timing and then reading out the written video signal via the synchronous signal.
CONSTITUTION: The video signal equivalent to one picture frame sent from VTR1 is written into analog memory 2 which is capable of controlling reading timing via the synchronous signal given from outside. Then the video information of memory 2 is read out repetitively by the steady synchronous signal supplied from the video input device to be turned to the video signal. Thus, the jitter is eliminated for the time axis of the scanning line at the same position where the frames of the video signals differ, obtaining the video signals featuring the repetitive property. This video signal is then supplied to picture input device 3, and the digitized video signal is transferred to digital computer 4. The digitization can be carried out in a steady way even with the vertical sampling system because of the repetitive property of the signal.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2541478A JPS54118755A (en) | 1978-03-08 | 1978-03-08 | Picture draw-in device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2541478A JPS54118755A (en) | 1978-03-08 | 1978-03-08 | Picture draw-in device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54118755A true JPS54118755A (en) | 1979-09-14 |
Family
ID=12165269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2541478A Pending JPS54118755A (en) | 1978-03-08 | 1978-03-08 | Picture draw-in device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54118755A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6293258U (en) * | 1985-12-02 | 1987-06-15 |
-
1978
- 1978-03-08 JP JP2541478A patent/JPS54118755A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6293258U (en) * | 1985-12-02 | 1987-06-15 |
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