JPS53131714A - Multi-stepped driving system for cumulative selection type switch matrix - Google Patents

Multi-stepped driving system for cumulative selection type switch matrix

Info

Publication number
JPS53131714A
JPS53131714A JP4655877A JP4655877A JPS53131714A JP S53131714 A JPS53131714 A JP S53131714A JP 4655877 A JP4655877 A JP 4655877A JP 4655877 A JP4655877 A JP 4655877A JP S53131714 A JPS53131714 A JP S53131714A
Authority
JP
Japan
Prior art keywords
switch matrix
driving system
type switch
selection type
stepped driving
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
JP4655877A
Other languages
Japanese (ja)
Other versions
JPS5648117B2 (en
Inventor
Yuji Endo
Atsushi Minato
Ayafumi Komatsu
Koichi Miyamoto
Shoichi Yajima
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
NEC Corp
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, NEC Corp, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP4655877A priority Critical patent/JPS53131714A/en
Publication of JPS53131714A publication Critical patent/JPS53131714A/en
Publication of JPS5648117B2 publication Critical patent/JPS5648117B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/64—Distributing or queueing
    • H04Q3/68—Grouping or interlacing selector groups or stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)

Abstract

PURPOSE:To decrease the driving wire between the switch steps and the number of the current path controlling diode, by using the contact of each switch selection circuit for selection of the row driving winding of the front-step switch matrix or the rear-step line driving winding.
JP4655877A 1977-04-22 1977-04-22 Multi-stepped driving system for cumulative selection type switch matrix Granted JPS53131714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4655877A JPS53131714A (en) 1977-04-22 1977-04-22 Multi-stepped driving system for cumulative selection type switch matrix

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4655877A JPS53131714A (en) 1977-04-22 1977-04-22 Multi-stepped driving system for cumulative selection type switch matrix

Publications (2)

Publication Number Publication Date
JPS53131714A true JPS53131714A (en) 1978-11-16
JPS5648117B2 JPS5648117B2 (en) 1981-11-13

Family

ID=12750644

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4655877A Granted JPS53131714A (en) 1977-04-22 1977-04-22 Multi-stepped driving system for cumulative selection type switch matrix

Country Status (1)

Country Link
JP (1) JPS53131714A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156491A (en) * 1979-05-25 1980-12-05 Nec Corp Channel control system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59231908A (en) * 1983-06-15 1984-12-26 Nec Corp Gain control circuit
JPH06177681A (en) * 1992-12-01 1994-06-24 Nippon Telegr & Teleph Corp <Ntt> High frequency amplifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156491A (en) * 1979-05-25 1980-12-05 Nec Corp Channel control system

Also Published As

Publication number Publication date
JPS5648117B2 (en) 1981-11-13

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