JPS5654141A - Band switching circuit without momentary interruption - Google Patents

Band switching circuit without momentary interruption

Info

Publication number
JPS5654141A
JPS5654141A JP13013379A JP13013379A JPS5654141A JP S5654141 A JPS5654141 A JP S5654141A JP 13013379 A JP13013379 A JP 13013379A JP 13013379 A JP13013379 A JP 13013379A JP S5654141 A JPS5654141 A JP S5654141A
Authority
JP
Japan
Prior art keywords
line
spare
polarity
output
present line
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
JP13013379A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6312420B2 (cg-RX-API-DMAC7.html
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
NEC 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 Electric Co Ltd filed Critical NEC Corp
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

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/74Details 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 true JPS5654141A (en) 1981-05-14
JPS6312420B2 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)

Cited By (2)

* 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
JPH0411864A (ja) * 1990-04-27 1992-01-16 Ezaki Glico Co Ltd 香辛料の早期熟成方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Cited By (2)

* 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
JPH0411864A (ja) * 1990-04-27 1992-01-16 Ezaki Glico Co Ltd 香辛料の早期熟成方法

Also Published As

Publication number Publication date
JPS6312420B2 (cg-RX-API-DMAC7.html) 1988-03-18
US4380814A (en) 1983-04-19

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