JPS57107690A - Video synthesizer - Google Patents

Video synthesizer

Info

Publication number
JPS57107690A
JPS57107690A JP55186443A JP18644380A JPS57107690A JP S57107690 A JPS57107690 A JP S57107690A JP 55186443 A JP55186443 A JP 55186443A JP 18644380 A JP18644380 A JP 18644380A JP S57107690 A JPS57107690 A JP S57107690A
Authority
JP
Japan
Prior art keywords
video
objective
video signal
camera
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
JP55186443A
Other languages
Japanese (ja)
Inventor
Takushi Nishikawa
Kaoru Sasabe
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP55186443A priority Critical patent/JPS57107690A/en
Publication of JPS57107690A publication Critical patent/JPS57107690A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Closed-Circuit Television Systems (AREA)

Abstract

PURPOSE:To achieve the synthesis of two objective pictures with one set of camera, by picking up an objective A with a camera, recording it in a video memory, and synthesizing an output video signal from an objective B and a video signal read out from the video memory. CONSTITUTION:In picking up an objective A, a switch 7 is selected to (a) and the video signal A of a television camera 6 is recorded in a video memory 8. In picking up an objective B, the switch is selected to (b) and a video signal B of the camera 6 is inputted to a synchronizing separation section 9 and a video synthesis section 10. In readout of memory 8, a video signal A' is read out in synchronizing with an external synchronizing signal C from the circuit 9. The phase of a synchronizing signal C is variable to the video signal B, the relative position of two images on monitor can be adjusted, and the video signals A', B and external synchronizing signal C synethesize a part of the both objectives on the section 10 and are pictured on a monitor television 11 as a video signal D. Thus, the two objective pictures can be synthesized with one set of television camera.
JP55186443A 1980-12-25 1980-12-25 Video synthesizer Pending JPS57107690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55186443A JPS57107690A (en) 1980-12-25 1980-12-25 Video synthesizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55186443A JPS57107690A (en) 1980-12-25 1980-12-25 Video synthesizer

Publications (1)

Publication Number Publication Date
JPS57107690A true JPS57107690A (en) 1982-07-05

Family

ID=16188531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55186443A Pending JPS57107690A (en) 1980-12-25 1980-12-25 Video synthesizer

Country Status (1)

Country Link
JP (1) JPS57107690A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60216687A (en) * 1984-04-11 1985-10-30 Sony Corp Picture retrieval device employing picture synthesization
JPS6339290A (en) * 1986-08-04 1988-02-19 Meruto:Kk Picture composing and reproducing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60216687A (en) * 1984-04-11 1985-10-30 Sony Corp Picture retrieval device employing picture synthesization
JPS6339290A (en) * 1986-08-04 1988-02-19 Meruto:Kk Picture composing and reproducing device

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