JPS52111A - Channel switching system - Google Patents

Channel switching system

Info

Publication number
JPS52111A
JPS52111A JP7566975A JP7566975A JPS52111A JP S52111 A JPS52111 A JP S52111A JP 7566975 A JP7566975 A JP 7566975A JP 7566975 A JP7566975 A JP 7566975A JP S52111 A JPS52111 A JP S52111A
Authority
JP
Japan
Prior art keywords
switching system
channel switching
omit
reproduction
station
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
JP7566975A
Other languages
English (en)
Japanese (ja)
Other versions
JPS566744B2 (enrdf_load_stackoverflow
Inventor
Kunio Suzuki
Koichiro Ishida
Hajime Yasuda
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7566975A priority Critical patent/JPS52111A/ja
Publication of JPS52111A publication Critical patent/JPS52111A/ja
Publication of JPS566744B2 publication Critical patent/JPS566744B2/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
    • H04B1/745—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 using by-passing or self-healing methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP7566975A 1975-06-23 1975-06-23 Channel switching system Granted JPS52111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7566975A JPS52111A (en) 1975-06-23 1975-06-23 Channel switching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7566975A JPS52111A (en) 1975-06-23 1975-06-23 Channel switching system

Publications (2)

Publication Number Publication Date
JPS52111A true JPS52111A (en) 1977-01-05
JPS566744B2 JPS566744B2 (enrdf_load_stackoverflow) 1981-02-13

Family

ID=13582834

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7566975A Granted JPS52111A (en) 1975-06-23 1975-06-23 Channel switching system

Country Status (1)

Country Link
JP (1) JPS52111A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5392603A (en) * 1977-01-25 1978-08-14 Mitsubishi Electric Corp Line branching unit
JPS55158745A (en) * 1979-05-28 1980-12-10 Fujitsu Ltd Data transmission system using optical transmission line
JPS5631254A (en) * 1979-08-23 1981-03-30 Fuji Electric Co Ltd Station by-pass processing system of data transmission system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4866307A (enrdf_load_stackoverflow) * 1971-12-14 1973-09-11
JPS4940640A (enrdf_load_stackoverflow) * 1972-08-24 1974-04-16

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4866307A (enrdf_load_stackoverflow) * 1971-12-14 1973-09-11
JPS4940640A (enrdf_load_stackoverflow) * 1972-08-24 1974-04-16

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5392603A (en) * 1977-01-25 1978-08-14 Mitsubishi Electric Corp Line branching unit
JPS55158745A (en) * 1979-05-28 1980-12-10 Fujitsu Ltd Data transmission system using optical transmission line
JPS5631254A (en) * 1979-08-23 1981-03-30 Fuji Electric Co Ltd Station by-pass processing system of data transmission system

Also Published As

Publication number Publication date
JPS566744B2 (enrdf_load_stackoverflow) 1981-02-13

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