JPS57118319A - Matrix switch drive system - Google Patents

Matrix switch drive system

Info

Publication number
JPS57118319A
JPS57118319A JP437281A JP437281A JPS57118319A JP S57118319 A JPS57118319 A JP S57118319A JP 437281 A JP437281 A JP 437281A JP 437281 A JP437281 A JP 437281A JP S57118319 A JPS57118319 A JP S57118319A
Authority
JP
Japan
Prior art keywords
drive system
matrix switch
switch drive
matrix
switch
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.)
Pending
Application number
JP437281A
Other languages
Japanese (ja)
Inventor
Tetsushi Higaki
Masaaki Futami
Sadaji Nakamura
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
Original Assignee
Fujitsu 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 filed Critical Fujitsu Ltd
Priority to JP437281A priority Critical patent/JPS57118319A/en
Publication of JPS57118319A publication Critical patent/JPS57118319A/en
Pending legal-status Critical Current

Links

Landscapes

  • Keying Circuit Devices (AREA)
JP437281A 1981-01-14 1981-01-14 Matrix switch drive system Pending JPS57118319A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP437281A JPS57118319A (en) 1981-01-14 1981-01-14 Matrix switch drive system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP437281A JPS57118319A (en) 1981-01-14 1981-01-14 Matrix switch drive system

Publications (1)

Publication Number Publication Date
JPS57118319A true JPS57118319A (en) 1982-07-23

Family

ID=11582529

Family Applications (1)

Application Number Title Priority Date Filing Date
JP437281A Pending JPS57118319A (en) 1981-01-14 1981-01-14 Matrix switch drive system

Country Status (1)

Country Link
JP (1) JPS57118319A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104808690A (en) * 2015-04-30 2015-07-29 中国一冶集团有限公司 Pipe gradient measuring instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104808690A (en) * 2015-04-30 2015-07-29 中国一冶集团有限公司 Pipe gradient measuring instrument

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