JPS5217738A - Key input system - Google Patents

Key input system

Info

Publication number
JPS5217738A
JPS5217738A JP50093451A JP9345175A JPS5217738A JP S5217738 A JPS5217738 A JP S5217738A JP 50093451 A JP50093451 A JP 50093451A JP 9345175 A JP9345175 A JP 9345175A JP S5217738 A JPS5217738 A JP S5217738A
Authority
JP
Japan
Prior art keywords
key input
input system
simplification
protection
circuit
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
JP50093451A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5615526B2 (OSRAM
Inventor
Takao Uchikura
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer 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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP50093451A priority Critical patent/JPS5217738A/ja
Publication of JPS5217738A publication Critical patent/JPS5217738A/ja
Publication of JPS5615526B2 publication Critical patent/JPS5615526B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Calculators And Similar Devices (AREA)
  • Input From Keyboards Or The Like (AREA)
JP50093451A 1975-07-31 1975-07-31 Key input system Granted JPS5217738A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50093451A JPS5217738A (en) 1975-07-31 1975-07-31 Key input system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50093451A JPS5217738A (en) 1975-07-31 1975-07-31 Key input system

Publications (2)

Publication Number Publication Date
JPS5217738A true JPS5217738A (en) 1977-02-09
JPS5615526B2 JPS5615526B2 (OSRAM) 1981-04-10

Family

ID=14082682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50093451A Granted JPS5217738A (en) 1975-07-31 1975-07-31 Key input system

Country Status (1)

Country Link
JP (1) JPS5217738A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58143232A (ja) * 1982-02-19 1983-08-25 Mitsubishi Electric Corp 振動試験装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58143232A (ja) * 1982-02-19 1983-08-25 Mitsubishi Electric Corp 振動試験装置

Also Published As

Publication number Publication date
JPS5615526B2 (OSRAM) 1981-04-10

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