JPS51118323A - Keyboard input device - Google Patents

Keyboard input device

Info

Publication number
JPS51118323A
JPS51118323A JP50043207A JP4320775A JPS51118323A JP S51118323 A JPS51118323 A JP S51118323A JP 50043207 A JP50043207 A JP 50043207A JP 4320775 A JP4320775 A JP 4320775A JP S51118323 A JPS51118323 A JP S51118323A
Authority
JP
Japan
Prior art keywords
input device
keyboard input
duties
gives
indicating lamp
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
JP50043207A
Other languages
Japanese (ja)
Inventor
Katsuichi Kishi
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 JP50043207A priority Critical patent/JPS51118323A/en
Publication of JPS51118323A publication Critical patent/JPS51118323A/en
Pending legal-status Critical Current

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE: To get keyboard input device which avoids signal input of wrong operation and gives a computer less duties by setting indicating lamp for operation permission and detecting device for error key operation.
COPYRIGHT: (C)1976,JPO&Japio
JP50043207A 1975-04-11 1975-04-11 Keyboard input device Pending JPS51118323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50043207A JPS51118323A (en) 1975-04-11 1975-04-11 Keyboard input device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50043207A JPS51118323A (en) 1975-04-11 1975-04-11 Keyboard input device

Publications (1)

Publication Number Publication Date
JPS51118323A true JPS51118323A (en) 1976-10-18

Family

ID=12657463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50043207A Pending JPS51118323A (en) 1975-04-11 1975-04-11 Keyboard input device

Country Status (1)

Country Link
JP (1) JPS51118323A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5437029U (en) * 1977-08-18 1979-03-10
JPS5587227A (en) * 1978-12-25 1980-07-01 Hitachi Ltd Data input device
JPS61180184A (en) * 1986-01-24 1986-08-12 Sharp Corp Display device of electronic timer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5437029U (en) * 1977-08-18 1979-03-10
JPS5587227A (en) * 1978-12-25 1980-07-01 Hitachi Ltd Data input device
JPS61180184A (en) * 1986-01-24 1986-08-12 Sharp Corp Display device of electronic timer

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