JPS5761234B2 - - Google Patents

Info

Publication number
JPS5761234B2
JPS5761234B2 JP52081590A JP8159077A JPS5761234B2 JP S5761234 B2 JPS5761234 B2 JP S5761234B2 JP 52081590 A JP52081590 A JP 52081590A JP 8159077 A JP8159077 A JP 8159077A JP S5761234 B2 JPS5761234 B2 JP S5761234B2
Authority
JP
Japan
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
JP52081590A
Other languages
Japanese (ja)
Other versions
JPS5448421A (en
Inventor
Takao Ueno
Tadashi Shibuya
Ayafumi Komatsu
Minoru Kaneko
Yasushi Myake
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
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Fujitsu Ltd
Hitachi Ltd
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
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, Hitachi Ltd, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP8159077A priority Critical patent/JPS5448421A/ja
Publication of JPS5448421A publication Critical patent/JPS5448421A/ja
Publication of JPS5761234B2 publication Critical patent/JPS5761234B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP8159077A 1977-07-08 1977-07-08 Inspection system for relay group driving unit Granted JPS5448421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8159077A JPS5448421A (en) 1977-07-08 1977-07-08 Inspection system for relay group driving unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8159077A JPS5448421A (en) 1977-07-08 1977-07-08 Inspection system for relay group driving unit

Publications (2)

Publication Number Publication Date
JPS5448421A JPS5448421A (en) 1979-04-17
JPS5761234B2 true JPS5761234B2 (da) 1982-12-23

Family

ID=13750522

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8159077A Granted JPS5448421A (en) 1977-07-08 1977-07-08 Inspection system for relay group driving unit

Country Status (1)

Country Link
JP (1) JPS5448421A (da)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57172934U (da) * 1981-04-28 1982-10-30
JPS57190136U (da) * 1981-05-28 1982-12-02

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4978411A (da) * 1972-11-30 1974-07-29
JPS4992912A (da) * 1972-12-29 1974-09-04

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4978411A (da) * 1972-11-30 1974-07-29
JPS4992912A (da) * 1972-12-29 1974-09-04

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57172934U (da) * 1981-04-28 1982-10-30
JPS57190136U (da) * 1981-05-28 1982-12-02

Also Published As

Publication number Publication date
JPS5448421A (en) 1979-04-17

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