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JPS54163608A - Signal transmission system of digital telephone - Google Patents

Signal transmission system of digital telephone

Info

Publication number
JPS54163608A
JPS54163608A JP7266878A JP7266878A JPS54163608A JP S54163608 A JPS54163608 A JP S54163608A JP 7266878 A JP7266878 A JP 7266878A JP 7266878 A JP7266878 A JP 7266878A JP S54163608 A JPS54163608 A JP S54163608A
Authority
JP
Japan
Prior art keywords
signal transmission
transmission system
digital telephone
telephone
digital
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
JP7266878A
Other languages
Japanese (ja)
Inventor
Keijirou Kitamura
Hishiichi Komiya
Seiichirou Shigaki
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
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 Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP7266878A priority Critical patent/JPS54163608A/en
Publication of JPS54163608A publication Critical patent/JPS54163608A/en
Pending legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)
JP7266878A 1978-06-15 1978-06-15 Signal transmission system of digital telephone Pending JPS54163608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7266878A JPS54163608A (en) 1978-06-15 1978-06-15 Signal transmission system of digital telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7266878A JPS54163608A (en) 1978-06-15 1978-06-15 Signal transmission system of digital telephone

Publications (1)

Publication Number Publication Date
JPS54163608A true JPS54163608A (en) 1979-12-26

Family

ID=13495965

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7266878A Pending JPS54163608A (en) 1978-06-15 1978-06-15 Signal transmission system of digital telephone

Country Status (1)

Country Link
JP (1) JPS54163608A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS585067A (en) * 1981-07-01 1983-01-12 Nippon Telegr & Teleph Corp <Ntt> Calling circuit of digital telephone set
JPS6362119A (en) * 1986-08-27 1988-03-18 ラ　テレメカニク　エレクトリク Electric apparatus having manual control switch

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5034772A (en) * 1973-08-01 1975-04-03

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5034772A (en) * 1973-08-01 1975-04-03

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS585067A (en) * 1981-07-01 1983-01-12 Nippon Telegr & Teleph Corp <Ntt> Calling circuit of digital telephone set
JPS6347185B2 (en) * 1981-07-01 1988-09-20 Nippon Telegraph & Telephone
JPS6362119A (en) * 1986-08-27 1988-03-18 ラ　テレメカニク　エレクトリク Electric apparatus having manual control switch

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