JPS59140549A - マトリツクス型入力装置 - Google Patents

マトリツクス型入力装置

Info

Publication number
JPS59140549A
JPS59140549A JP58014947A JP1494783A JPS59140549A JP S59140549 A JPS59140549 A JP S59140549A JP 58014947 A JP58014947 A JP 58014947A JP 1494783 A JP1494783 A JP 1494783A JP S59140549 A JPS59140549 A JP S59140549A
Authority
JP
Japan
Prior art keywords
input lines
input
keyboard
converter
central controller
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
JP58014947A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0218494B2 (enExample
Inventor
Minoru Shoda
庄田　稔
Toshirou Akitoki
敏郎 明時
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 true JPS59140549A (ja) 1984-08-11
JPH0218494B2 JPH0218494B2 (enExample) 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 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63188750U (enExample) * 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

Citations (2)

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

Patent Citations (2)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63188750U (enExample) * 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

Also Published As

Publication number Publication date
JPH0218494B2 (enExample) 1990-04-25

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