JPS52142914A - Pilot signal circuit - Google Patents

Pilot signal circuit

Info

Publication number
JPS52142914A
JPS52142914A JP6023376A JP6023376A JPS52142914A JP S52142914 A JPS52142914 A JP S52142914A JP 6023376 A JP6023376 A JP 6023376A JP 6023376 A JP6023376 A JP 6023376A JP S52142914 A JPS52142914 A JP S52142914A
Authority
JP
Japan
Prior art keywords
pilot signal
signal circuit
relay
actualize
reinserting
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.)
Granted
Application number
JP6023376A
Other languages
Japanese (ja)
Other versions
JPS576736B2 (en
Inventor
Akimasa Yamazaki
Koji Ito
Hiroshi Yusa
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.)
NEC Corp
Nippon Telegraph and Telephone Corp
Original Assignee
NEC Corp
Nippon Telegraph and Telephone Corp
Nippon 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 NEC Corp, Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP6023376A priority Critical patent/JPS52142914A/en
Publication of JPS52142914A publication Critical patent/JPS52142914A/en
Publication of JPS576736B2 publication Critical patent/JPS576736B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal

Abstract

PURPOSE:To prevent the erroneous operation of the relay and to actualize the economical circuit, by appropriately reinserting the pilot signal from the intermediate relay.
JP6023376A 1976-05-25 1976-05-25 Pilot signal circuit Granted JPS52142914A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6023376A JPS52142914A (en) 1976-05-25 1976-05-25 Pilot signal circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6023376A JPS52142914A (en) 1976-05-25 1976-05-25 Pilot signal circuit

Publications (2)

Publication Number Publication Date
JPS52142914A true JPS52142914A (en) 1977-11-29
JPS576736B2 JPS576736B2 (en) 1982-02-06

Family

ID=13136243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6023376A Granted JPS52142914A (en) 1976-05-25 1976-05-25 Pilot signal circuit

Country Status (1)

Country Link
JP (1) JPS52142914A (en)

Also Published As

Publication number Publication date
JPS576736B2 (en) 1982-02-06

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