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JPS53129909A - Mfc signal transmission control system for electronic exchange - Google Patents

Mfc signal transmission control system for electronic exchange

Info

Publication number
JPS53129909A
JPS53129909A JP4497977A JP4497977A JPS53129909A JP S53129909 A JPS53129909 A JP S53129909A JP 4497977 A JP4497977 A JP 4497977A JP 4497977 A JP4497977 A JP 4497977A JP S53129909 A JPS53129909 A JP S53129909A
Authority
JP
Japan
Prior art keywords
transmission control
control system
signal transmission
electronic exchange
mfc 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
JP4497977A
Other languages
Japanese (ja)
Inventor
Akio Nomura
Yoshiaki Matsuura
Kunio Yamamoto
Shuji Saito
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
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP4497977A priority Critical patent/JPS53129909A/en
Publication of JPS53129909A publication Critical patent/JPS53129909A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)

Abstract

PURPOSE:To omit the decision process as soon as possible for the central control unit and thus to increase the speed of the transmission control by performing a transmission control of the multi-frequency signal at the multi-frequency signal receiving circuit.
JP4497977A 1977-04-19 1977-04-19 Mfc signal transmission control system for electronic exchange Pending JPS53129909A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4497977A JPS53129909A (en) 1977-04-19 1977-04-19 Mfc signal transmission control system for electronic exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4497977A JPS53129909A (en) 1977-04-19 1977-04-19 Mfc signal transmission control system for electronic exchange

Publications (1)

Publication Number Publication Date
JPS53129909A true JPS53129909A (en) 1978-11-13

Family

ID=12706577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4497977A Pending JPS53129909A (en) 1977-04-19 1977-04-19 Mfc signal transmission control system for electronic exchange

Country Status (1)

Country Link
JP (1) JPS53129909A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50134710A (en) * 1974-04-15 1975-10-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50134710A (en) * 1974-04-15 1975-10-25

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