JPH0312329B2 - - Google Patents

Info

Publication number
JPH0312329B2
JPH0312329B2 JP56157474A JP15747481A JPH0312329B2 JP H0312329 B2 JPH0312329 B2 JP H0312329B2 JP 56157474 A JP56157474 A JP 56157474A JP 15747481 A JP15747481 A JP 15747481A JP H0312329 B2 JPH0312329 B2 JP H0312329B2
Authority
JP
Japan
Prior art keywords
scanning
keyboard
circuit
input
key
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.)
Expired - Lifetime
Application number
JP56157474A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5858641A (ja
Inventor
Tamotsu Ito
Shigeru Hirahata
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56157474A priority Critical patent/JPS5858641A/ja
Publication of JPS5858641A publication Critical patent/JPS5858641A/ja
Publication of JPH0312329B2 publication Critical patent/JPH0312329B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/20—Dynamic coding, i.e. by key scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
JP56157474A 1981-10-05 1981-10-05 キ−ボ−ド装置 Granted JPS5858641A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56157474A JPS5858641A (ja) 1981-10-05 1981-10-05 キ−ボ−ド装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56157474A JPS5858641A (ja) 1981-10-05 1981-10-05 キ−ボ−ド装置

Publications (2)

Publication Number Publication Date
JPS5858641A JPS5858641A (ja) 1983-04-07
JPH0312329B2 true JPH0312329B2 (enEXAMPLES) 1991-02-20

Family

ID=15650465

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56157474A Granted JPS5858641A (ja) 1981-10-05 1981-10-05 キ−ボ−ド装置

Country Status (1)

Country Link
JP (1) JPS5858641A (enEXAMPLES)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6077225A (ja) * 1983-10-05 1985-05-01 Pioneer Electronic Corp キ−ボ−ドエンコ−ド回路
JPS61223925A (ja) * 1985-03-29 1986-10-04 Fujitsu Ten Ltd コンピユ−タの入力方式
JPS63175234U (enEXAMPLES) * 1987-04-30 1988-11-14

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223218A (en) * 1975-08-18 1977-02-22 Casio Comput Co Ltd Key input control unit
JPS56132633A (en) * 1980-03-21 1981-10-17 Omron Tateisi Electronics Co Keyboard encoder

Also Published As

Publication number Publication date
JPS5858641A (ja) 1983-04-07

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