JPS53138618A - End office device - Google Patents

End office device

Info

Publication number
JPS53138618A
JPS53138618A JP5355277A JP5355277A JPS53138618A JP S53138618 A JPS53138618 A JP S53138618A JP 5355277 A JP5355277 A JP 5355277A JP 5355277 A JP5355277 A JP 5355277A JP S53138618 A JPS53138618 A JP S53138618A
Authority
JP
Japan
Prior art keywords
pulse
end office
office device
shares
sharing
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
JP5355277A
Other languages
Japanese (ja)
Inventor
Yoji Fukinuki
Joji Yuyama
Yasuo Ito
Masayuki Yokouchi
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
NEC Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP5355277A priority Critical patent/JPS53138618A/en
Publication of JPS53138618A publication Critical patent/JPS53138618A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

PURPOSE:To reduce the size with enhanced economical performance for the end office device which shares a timing pulse generator circuit at both the transmitting and receiving sides, by sharing the generator circuits of the clock pulse, digit pulse and the channel pulse respectively.
JP5355277A 1977-05-10 1977-05-10 End office device Pending JPS53138618A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5355277A JPS53138618A (en) 1977-05-10 1977-05-10 End office device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5355277A JPS53138618A (en) 1977-05-10 1977-05-10 End office device

Publications (1)

Publication Number Publication Date
JPS53138618A true JPS53138618A (en) 1978-12-04

Family

ID=12945952

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5355277A Pending JPS53138618A (en) 1977-05-10 1977-05-10 End office device

Country Status (1)

Country Link
JP (1) JPS53138618A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6145650A (en) * 1984-08-09 1986-03-05 Fujitsu Ltd Test system of frequency synchronization
JPH01175429A (en) * 1987-12-29 1989-07-11 Hitachi Chem Co Ltd Communication system and equipment

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49121463A (en) * 1973-03-20 1974-11-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49121463A (en) * 1973-03-20 1974-11-20

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6145650A (en) * 1984-08-09 1986-03-05 Fujitsu Ltd Test system of frequency synchronization
JPH01175429A (en) * 1987-12-29 1989-07-11 Hitachi Chem Co Ltd Communication system and equipment
JPH0775347B2 (en) * 1987-12-29 1995-08-09 日立化成工業株式会社 Communication method and device

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