JPS51136237A - Keyboard device - Google Patents

Keyboard device

Info

Publication number
JPS51136237A
JPS51136237A JP50059714A JP5971475A JPS51136237A JP S51136237 A JPS51136237 A JP S51136237A JP 50059714 A JP50059714 A JP 50059714A JP 5971475 A JP5971475 A JP 5971475A JP S51136237 A JPS51136237 A JP S51136237A
Authority
JP
Japan
Prior art keywords
keyboard device
keytop
key
allows
multiple purposes
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
JP50059714A
Other languages
Japanese (ja)
Inventor
Makoto Iida
Hiroshi Aoki
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 JP50059714A priority Critical patent/JPS51136237A/en
Publication of JPS51136237A publication Critical patent/JPS51136237A/en
Pending legal-status Critical Current

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE: Indication change of keytop allows one key to be used for multiple purposes.
COPYRIGHT: (C)1976,JPO&Japio
JP50059714A 1975-05-21 1975-05-21 Keyboard device Pending JPS51136237A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50059714A JPS51136237A (en) 1975-05-21 1975-05-21 Keyboard device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50059714A JPS51136237A (en) 1975-05-21 1975-05-21 Keyboard device

Publications (1)

Publication Number Publication Date
JPS51136237A true JPS51136237A (en) 1976-11-25

Family

ID=13121141

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50059714A Pending JPS51136237A (en) 1975-05-21 1975-05-21 Keyboard device

Country Status (1)

Country Link
JP (1) JPS51136237A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017119986A (en) * 2015-12-28 2017-07-06 大成建設株式会社 Concrete curved surface form, and construction method for concrete curved surface wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017119986A (en) * 2015-12-28 2017-07-06 大成建設株式会社 Concrete curved surface form, and construction method for concrete curved surface wall

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