JPH0218494B2 - - Google Patents

Info

Publication number
JPH0218494B2
JPH0218494B2 JP58014947A JP1494783A JPH0218494B2 JP H0218494 B2 JPH0218494 B2 JP H0218494B2 JP 58014947 A JP58014947 A JP 58014947A JP 1494783 A JP1494783 A JP 1494783A JP H0218494 B2 JPH0218494 B2 JP H0218494B2
Authority
JP
Japan
Prior art keywords
key
terminals
output
converter
column
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
JP58014947A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59140549A (ja
Inventor
Minoru Shoda
Toshiro Akeji
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP58014947A priority Critical patent/JPS59140549A/ja
Publication of JPS59140549A publication Critical patent/JPS59140549A/ja
Publication of JPH0218494B2 publication Critical patent/JPH0218494B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/22—Means for limiting or controlling the pin/gate ratio

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
JP58014947A 1983-01-31 1983-01-31 マトリツクス型入力装置 Granted JPS59140549A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58014947A JPS59140549A (ja) 1983-01-31 1983-01-31 マトリツクス型入力装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58014947A JPS59140549A (ja) 1983-01-31 1983-01-31 マトリツクス型入力装置

Publications (2)

Publication Number Publication Date
JPS59140549A JPS59140549A (ja) 1984-08-11
JPH0218494B2 true JPH0218494B2 (en]) 1990-04-25

Family

ID=11875164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58014947A Granted JPS59140549A (ja) 1983-01-31 1983-01-31 マトリツクス型入力装置

Country Status (1)

Country Link
JP (1) JPS59140549A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63188750U (en]) * 1987-05-22 1988-12-05
JPH02224010A (ja) * 1990-01-12 1990-09-06 Fujitsu Ten Ltd 双方向マトリクス入力装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093337A (en]) * 1973-12-19 1975-07-25
JPS55147729A (en) * 1979-05-08 1980-11-17 Sharp Corp Data inpt unit

Also Published As

Publication number Publication date
JPS59140549A (ja) 1984-08-11

Similar Documents

Publication Publication Date Title
JPS5914838B2 (ja) フィ−ルドプログラマブル素子
JPH0218494B2 (en])
US8013761B2 (en) Switching matrix for an input device
US20060082541A1 (en) Input detection device and related method
JPS62160852A (ja) 信号絶縁回路
JPH0149063B2 (en])
JPH0720617Y2 (ja) 論理状態判別装置
JP7331543B2 (ja) 組電池監視システム及び組電池の故障判定方法
JP2602404Y2 (ja) カウンタ回路
JPS61117796A (ja) 半導体記憶装置
JPS6349917A (ja) スイツチの開閉状態認識回路
SU1732464A1 (ru) Счетчик импульсов в коде Фибоначчи
JP2594502Y2 (ja) キーマトリックス回路
JPH0124386B2 (en])
JPS6215888B2 (en])
SU480082A1 (ru) Устройство дл обнаружени неисправностей в электрическом монтаже
SU363201A1 (ru) Библиотека
JPS60128523A (ja) 入力制御回路
JPH11260225A (ja) 入力切換装置
JPH01122207A (ja) 出力回路
JPH03125211A (ja) マトリクススイツチ装置
JPH05204525A (ja) 入力スイッチ検出用マトリックスシステム
JPH01220515A (ja) キーマトリクス装置
JPH05150878A (ja) キースイツチ装置の検出方法
JPH03180776A (ja) 自己診断機能付論理回路