JPS54118755A - Picture draw-in device - Google Patents

Picture draw-in device

Info

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
Application number
JP2541478A
Other languages
Japanese (ja)
Inventor
Toshihisa Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Denshi KK
Original Assignee
Hitachi Denshi KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Denshi KK filed Critical Hitachi Denshi KK
Priority to JP2541478A priority Critical patent/JPS54118755A/en
Publication of JPS54118755A publication Critical patent/JPS54118755A/en
Pending legal-status Critical Current

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
JP2541478A 1978-03-08 1978-03-08 Picture draw-in device Pending JPS54118755A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6293258U (en) * 1985-12-02 1987-06-15

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6293258U (en) * 1985-12-02 1987-06-15

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