JPS52123119A - Carrier wave supply unit of multi-direction multiple telephone system - Google Patents

Carrier wave supply unit of multi-direction multiple telephone system

Info

Publication number
JPS52123119A
JPS52123119A JP4012976A JP4012976A JPS52123119A JP S52123119 A JPS52123119 A JP S52123119A JP 4012976 A JP4012976 A JP 4012976A JP 4012976 A JP4012976 A JP 4012976A JP S52123119 A JPS52123119 A JP S52123119A
Authority
JP
Japan
Prior art keywords
carrier wave
supply unit
telephone system
wave supply
direction multiple
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
JP4012976A
Other languages
Japanese (ja)
Inventor
Tadashi Iwata
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP4012976A priority Critical patent/JPS52123119A/en
Publication of JPS52123119A publication Critical patent/JPS52123119A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals

Landscapes

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

Abstract

PURPOSE:To realize small-size and economical carrier wave supply unit by securing generation of the channel conversion carrier wave through variable frequency genegation circuit containing automatic phase control function.
JP4012976A 1976-04-08 1976-04-08 Carrier wave supply unit of multi-direction multiple telephone system Pending JPS52123119A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4012976A JPS52123119A (en) 1976-04-08 1976-04-08 Carrier wave supply unit of multi-direction multiple telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4012976A JPS52123119A (en) 1976-04-08 1976-04-08 Carrier wave supply unit of multi-direction multiple telephone system

Publications (1)

Publication Number Publication Date
JPS52123119A true JPS52123119A (en) 1977-10-17

Family

ID=12572190

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4012976A Pending JPS52123119A (en) 1976-04-08 1976-04-08 Carrier wave supply unit of multi-direction multiple telephone system

Country Status (1)

Country Link
JP (1) JPS52123119A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555640A (en) * 1978-10-20 1980-04-23 Hitachi Denshi Ltd Spare system for carrier wave supply circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555640A (en) * 1978-10-20 1980-04-23 Hitachi Denshi Ltd Spare system for carrier wave supply circuit
JPS5821455B2 (en) * 1978-10-20 1983-04-30 日立電子株式会社 Preliminary method of carrier wave supply circuit

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