JPS5491122A - Picture signal transmission control system - Google Patents

Picture signal transmission control system

Info

Publication number
JPS5491122A
JPS5491122A JP16022277A JP16022277A JPS5491122A JP S5491122 A JPS5491122 A JP S5491122A JP 16022277 A JP16022277 A JP 16022277A JP 16022277 A JP16022277 A JP 16022277A JP S5491122 A JPS5491122 A JP S5491122A
Authority
JP
Japan
Prior art keywords
signal
unit
mode
transmission
fax2
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
JP16022277A
Other languages
Japanese (ja)
Inventor
Yasuhiro Inoue
Takuo Fudanotsuji
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.)
Fujitsu Ltd
NTT Inc
Original Assignee
Fujitsu Ltd
Nippon Telegraph and Telephone Corp
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 Fujitsu Ltd, Nippon Telegraph and Telephone Corp filed Critical Fujitsu Ltd
Priority to JP16022277A priority Critical patent/JPS5491122A/en
Publication of JPS5491122A publication Critical patent/JPS5491122A/en
Pending legal-status Critical Current

Links

Landscapes

  • Facsimile Transmission Control (AREA)

Abstract

PURPOSE: To make it possible to transmit and receive picture signals efficiently in respect to time by switching a transmission/receiving mode so that a unit which has detected that a transmitted original exists may become the transmission side.
CONSTITUTION: First, in case of transmission from one facsimile unit FAX1, when insertion of a original is detected, phase matching signal PHI is transmitted to facsimile unit FAX2, and unit FAX2 receives this signal to establish synchronization and returns response signal AC20. When receiving this signal, unit FAX1 transmits transmission picture signal PIC10 and transmits end signal ED10 when the end of the original is detected. When a original is inserted in unit FAX2 before end signal ED10, the mode is switched from the receiving mode to the transmission mode, and unit FAX2 transmits phase matching signal PH20. Then, the mode is switched to the receiving mode by detecting this signal in unit FAX1.
COPYRIGHT: (C)1979,JPO&Japio
JP16022277A 1977-12-28 1977-12-28 Picture signal transmission control system Pending JPS5491122A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16022277A JPS5491122A (en) 1977-12-28 1977-12-28 Picture signal transmission control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16022277A JPS5491122A (en) 1977-12-28 1977-12-28 Picture signal transmission control system

Publications (1)

Publication Number Publication Date
JPS5491122A true JPS5491122A (en) 1979-07-19

Family

ID=15710351

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16022277A Pending JPS5491122A (en) 1977-12-28 1977-12-28 Picture signal transmission control system

Country Status (1)

Country Link
JP (1) JPS5491122A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57129579A (en) * 1981-02-04 1982-08-11 Ricoh Co Ltd Facsimile control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57129579A (en) * 1981-02-04 1982-08-11 Ricoh Co Ltd Facsimile control system

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