JPS5223218A - Key input control unit - Google Patents

Key input control unit

Info

Publication number
JPS5223218A
JPS5223218A JP50099897A JP9989775A JPS5223218A JP S5223218 A JPS5223218 A JP S5223218A JP 50099897 A JP50099897 A JP 50099897A JP 9989775 A JP9989775 A JP 9989775A JP S5223218 A JPS5223218 A JP S5223218A
Authority
JP
Japan
Prior art keywords
control unit
key input
input control
matrix
measns
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
JP50099897A
Other languages
Japanese (ja)
Inventor
Hiroyoshi Kiuchi
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 JP50099897A priority Critical patent/JPS5223218A/en
Publication of JPS5223218A publication Critical patent/JPS5223218A/en
Pending legal-status Critical Current

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE:To make it possible to perform the scanning of matrix lines with one counting measns in a matrix circuit type key inp ut unit.
JP50099897A 1975-08-18 1975-08-18 Key input control unit Pending JPS5223218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50099897A JPS5223218A (en) 1975-08-18 1975-08-18 Key input control unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50099897A JPS5223218A (en) 1975-08-18 1975-08-18 Key input control unit

Publications (1)

Publication Number Publication Date
JPS5223218A true JPS5223218A (en) 1977-02-22

Family

ID=14259549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50099897A Pending JPS5223218A (en) 1975-08-18 1975-08-18 Key input control unit

Country Status (1)

Country Link
JP (1) JPS5223218A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114313A (en) * 1977-03-16 1978-10-05 Hitachi Denshi Ltd Input equipment
JPS5663637A (en) * 1979-10-29 1981-05-30 Brother Ind Ltd Keyboard input device
JPS5858641A (en) * 1981-10-05 1983-04-07 Hitachi Ltd Keyboard device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4966154A (en) * 1972-10-25 1974-06-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4966154A (en) * 1972-10-25 1974-06-26

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114313A (en) * 1977-03-16 1978-10-05 Hitachi Denshi Ltd Input equipment
JPS5663637A (en) * 1979-10-29 1981-05-30 Brother Ind Ltd Keyboard input device
JPS5858641A (en) * 1981-10-05 1983-04-07 Hitachi Ltd Keyboard device
JPH0312329B2 (en) * 1981-10-05 1991-02-20 Hitachi Ltd

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