JPS5425125A - Matrix keyboard - Google Patents

Matrix keyboard

Info

Publication number
JPS5425125A
JPS5425125A JP8976077A JP8976077A JPS5425125A JP S5425125 A JPS5425125 A JP S5425125A JP 8976077 A JP8976077 A JP 8976077A JP 8976077 A JP8976077 A JP 8976077A JP S5425125 A JPS5425125 A JP S5425125A
Authority
JP
Japan
Prior art keywords
matrix keyboard
keyboard
matrix
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
JP8976077A
Other languages
Japanese (ja)
Other versions
JPS5812604B2 (en
Inventor
Seishirou Ayabe
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.)
Kita Denshi Corp
Original Assignee
Kita Denshi Corp
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 Kita Denshi Corp filed Critical Kita Denshi Corp
Priority to JP52089760A priority Critical patent/JPS5812604B2/en
Publication of JPS5425125A publication Critical patent/JPS5425125A/en
Publication of JPS5812604B2 publication Critical patent/JPS5812604B2/en
Expired legal-status Critical Current

Links

JP52089760A 1977-07-28 1977-07-28 matrix keyboard Expired JPS5812604B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52089760A JPS5812604B2 (en) 1977-07-28 1977-07-28 matrix keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52089760A JPS5812604B2 (en) 1977-07-28 1977-07-28 matrix keyboard

Publications (2)

Publication Number Publication Date
JPS5425125A true JPS5425125A (en) 1979-02-24
JPS5812604B2 JPS5812604B2 (en) 1983-03-09

Family

ID=13979661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52089760A Expired JPS5812604B2 (en) 1977-07-28 1977-07-28 matrix keyboard

Country Status (1)

Country Link
JP (1) JPS5812604B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57136247A (en) * 1980-12-24 1982-08-23 Burroughs Corp Photooptical keyboard

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4887919U (en) * 1972-01-27 1973-10-24
JPS494579U (en) * 1972-04-17 1974-01-15

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4887919U (en) * 1972-01-27 1973-10-24
JPS494579U (en) * 1972-04-17 1974-01-15

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57136247A (en) * 1980-12-24 1982-08-23 Burroughs Corp Photooptical keyboard
JPH0216525B2 (en) * 1980-12-24 1990-04-17 Unisys Corp

Also Published As

Publication number Publication date
JPS5812604B2 (en) 1983-03-09

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