JPS6312420B2 - - Google Patents

Info

Publication number
JPS6312420B2
JPS6312420B2 JP54130133A JP13013379A JPS6312420B2 JP S6312420 B2 JPS6312420 B2 JP S6312420B2 JP 54130133 A JP54130133 A JP 54130133A JP 13013379 A JP13013379 A JP 13013379A JP S6312420 B2 JPS6312420 B2 JP S6312420B2
Authority
JP
Japan
Prior art keywords
line
output
polarity
working
signals
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.)
Expired
Application number
JP54130133A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5654141A (en
Inventor
Saburo Niina
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
Original Assignee
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 Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP13013379A priority Critical patent/JPS5654141A/ja
Priority to US06/195,686 priority patent/US4380814A/en
Publication of JPS5654141A publication Critical patent/JPS5654141A/ja
Publication of JPS6312420B2 publication Critical patent/JPS6312420B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
JP13013379A 1979-10-09 1979-10-09 Band switching circuit without momentary interruption Granted JPS5654141A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP13013379A JPS5654141A (en) 1979-10-09 1979-10-09 Band switching circuit without momentary interruption
US06/195,686 US4380814A (en) 1979-10-09 1980-10-09 Baseband data switching apparatus for digital communications system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13013379A JPS5654141A (en) 1979-10-09 1979-10-09 Band switching circuit without momentary interruption

Publications (2)

Publication Number Publication Date
JPS5654141A JPS5654141A (en) 1981-05-14
JPS6312420B2 true JPS6312420B2 (cg-RX-API-DMAC7.html) 1988-03-18

Family

ID=15026734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13013379A Granted JPS5654141A (en) 1979-10-09 1979-10-09 Band switching circuit without momentary interruption

Country Status (2)

Country Link
US (1) US4380814A (cg-RX-API-DMAC7.html)
JP (1) JPS5654141A (cg-RX-API-DMAC7.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59211348A (ja) * 1983-05-17 1984-11-30 Nec Corp デイジタル通信用回線切替方式
US4569063A (en) * 1983-06-22 1986-02-04 Gte Automatic Electric Incorporated Digital phase locking arrangement for synchronizing digital span data
JPS60212048A (ja) * 1984-04-06 1985-10-24 Nec Corp 符号修正型切替方式
JPS6370632A (ja) * 1986-09-11 1988-03-30 Nec Corp 回線切替方式
JPS6377235A (ja) * 1986-09-20 1988-04-07 Fujitsu Ltd デイジタル通信システムの切替方式
US4819225A (en) * 1987-03-09 1989-04-04 Hochstein Peter A Redundant and fault tolerant communication link
JPH0411864A (ja) * 1990-04-27 1992-01-16 Ezaki Glico Co Ltd 香辛料の早期熟成方法
FR2661578A1 (fr) * 1990-04-27 1991-10-31 Trt Telecom Radio Electr Dispositif de commutation dynamique pour le masquage d'erreurs dans un systeme a doublement du conduit numerique.
US5051979A (en) * 1990-06-28 1991-09-24 At&T Bell Laboratories Method and apparatus for errorless switching
JP2715962B2 (ja) * 1995-03-10 1998-02-18 日本電気株式会社 回線無瞬断切替方法および装置
ES2325483T3 (es) * 2002-04-09 2009-09-07 Abb Schweiz Ag Transmision redundante de ordenes de proteccion entre telerruptores.
KR20040003885A (ko) * 2002-07-04 2004-01-13 삼성전자주식회사 확산로 온도 검출장치
DE60225811T2 (de) * 2002-10-31 2009-04-30 Alcatel Lucent Optischer Empfänger

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500319A (en) * 1967-12-06 1970-03-10 Nederlanden Staat Apparatus to prevent loss of information in automatic channel switching device
JPS5542790B2 (cg-RX-API-DMAC7.html) * 1975-01-09 1980-11-01
JPS5588452A (en) * 1978-12-26 1980-07-04 Nec Corp Digital signal switching circuit for diversity receiver for digital radio communication

Also Published As

Publication number Publication date
JPS5654141A (en) 1981-05-14
US4380814A (en) 1983-04-19

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