GB1477844A - Electromagnetic switch matrix device - Google Patents

Electromagnetic switch matrix device

Info

Publication number
GB1477844A
GB1477844A GB2725274A GB2725274A GB1477844A GB 1477844 A GB1477844 A GB 1477844A GB 2725274 A GB2725274 A GB 2725274A GB 2725274 A GB2725274 A GB 2725274A GB 1477844 A GB1477844 A GB 1477844A
Authority
GB
United Kingdom
Prior art keywords
windings
relays
row
column
surround
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
GB2725274A
Other languages
English (en)
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
NTT Inc
Original Assignee
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 Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Publication of GB1477844A publication Critical patent/GB1477844A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H63/00—Details of electrically-operated selector switches
    • H01H63/36—Circuit arrangements for ensuring correct or desired operation and not adapted to a particular application of the selector switch

Landscapes

  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Electronic Switches (AREA)
  • Relay Circuits (AREA)
GB2725274A 1973-06-20 1974-06-19 Electromagnetic switch matrix device Expired GB1477844A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48068655A JPS5250093B2 (enExample) 1973-06-20 1973-06-20

Publications (1)

Publication Number Publication Date
GB1477844A true GB1477844A (en) 1977-06-29

Family

ID=13379919

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2725274A Expired GB1477844A (en) 1973-06-20 1974-06-19 Electromagnetic switch matrix device

Country Status (4)

Country Link
US (1) US3953813A (enExample)
JP (1) JPS5250093B2 (enExample)
BE (1) BE816592A (enExample)
GB (1) GB1477844A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110534000A (zh) * 2019-09-03 2019-12-03 常熟理工学院 用于设置电气故障点的矩阵式控制电路

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947416B2 (ja) * 1975-10-14 1984-11-19 日本電気株式会社 入出力信号切換装置
US4075587A (en) * 1975-10-23 1978-02-21 Nippon Telegraph And Telephone Public Corporation Multicontact sealed electromagnetic coordinate selection device
JPS52150918A (en) * 1976-06-11 1977-12-15 Nec Corp Dividing excitation type switch matrix
JPS5343819U (enExample) * 1977-09-02 1978-04-14
US5651037A (en) * 1995-10-04 1997-07-22 Motorola, Inc. Apparatus for preforming discrete-time analog queuing and computing in a communication system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3464039A (en) * 1966-04-30 1969-08-26 Nippon Telegraph & Telephone Electromagnetic switching device in coordinate arrays
DE1537798C3 (de) * 1966-12-09 1975-08-14 Nippon Electric Co. Ltd. Koordinatenschalter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110534000A (zh) * 2019-09-03 2019-12-03 常熟理工学院 用于设置电气故障点的矩阵式控制电路

Also Published As

Publication number Publication date
JPS5250093B2 (enExample) 1977-12-22
JPS5018105A (enExample) 1975-02-26
BE816592A (fr) 1974-10-16
US3953813A (en) 1976-04-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19940618