JPS5721166A - Control signal transmission system for facsimile device - Google Patents

Control signal transmission system for facsimile device

Info

Publication number
JPS5721166A
JPS5721166A JP9499680A JP9499680A JPS5721166A JP S5721166 A JPS5721166 A JP S5721166A JP 9499680 A JP9499680 A JP 9499680A JP 9499680 A JP9499680 A JP 9499680A JP S5721166 A JPS5721166 A JP S5721166A
Authority
JP
Japan
Prior art keywords
circuit
period
signal
transmission
phase
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
JP9499680A
Other languages
Japanese (ja)
Inventor
Akiji Kawanami
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP9499680A priority Critical patent/JPS5721166A/en
Publication of JPS5721166A publication Critical patent/JPS5721166A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Transmission Control (AREA)

Abstract

PURPOSE:To simplify the various controls such as cutter control, by identifying the transmission period of a video signal, through the control of carrier leakage on or off-state during the period when it is in a given relation with the transmission period of the video signal. CONSTITUTION:A timer 21 is operated when a transmitter starts a given operation, and it is informed that the phase matching period is on going over the entire phase synchronizing period to a carrier leakage control circuit 22, switching control circuit 1 and subscanning control circuit 23. With the output of the circuit 22 receiving this information, no transmission of the carrier leakage signal is made from a modulation circuit 4, and a circuit 23 stops the operation of the subscanning mechanism. Further, a circuit 1 selects the phase signal from a phase signal transmission circuit 2 and supplies it to the circuit 4, modulates the carrier from a carrier wave generating circuit 5 with the phase signal and transmits it to a transmission circuit 9. The signal from this circuit 9 is received at an input circuit 10 of a receiver, carrier leakage is detected at a carrier leakage detection circuit 25, and the operation of a cutter control circuit 27 during the phase matching period can be stopped.
JP9499680A 1980-07-14 1980-07-14 Control signal transmission system for facsimile device Pending JPS5721166A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9499680A JPS5721166A (en) 1980-07-14 1980-07-14 Control signal transmission system for facsimile device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9499680A JPS5721166A (en) 1980-07-14 1980-07-14 Control signal transmission system for facsimile device

Publications (1)

Publication Number Publication Date
JPS5721166A true JPS5721166A (en) 1982-02-03

Family

ID=14125466

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9499680A Pending JPS5721166A (en) 1980-07-14 1980-07-14 Control signal transmission system for facsimile device

Country Status (1)

Country Link
JP (1) JPS5721166A (en)

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