JPS5429924A - Keying device - Google Patents

Keying device

Info

Publication number
JPS5429924A
JPS5429924A JP9505577A JP9505577A JPS5429924A JP S5429924 A JPS5429924 A JP S5429924A JP 9505577 A JP9505577 A JP 9505577A JP 9505577 A JP9505577 A JP 9505577A JP S5429924 A JPS5429924 A JP S5429924A
Authority
JP
Japan
Prior art keywords
keying device
reverse face
keys
fulcrum
rotating
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
JP9505577A
Other languages
Japanese (ja)
Inventor
Susumu Oba
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 JP9505577A priority Critical patent/JPS5429924A/en
Publication of JPS5429924A publication Critical patent/JPS5429924A/en
Pending legal-status Critical Current

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE: To make it possible to arrange keys efficiently on the occupied area of a keying device by arranging keys on the surface and the reverse face of a keyboard fitting frame and rotating the surface and the reverse face at the center of the fulcrum.
COPYRIGHT: (C)1979,JPO&Japio
JP9505577A 1977-08-10 1977-08-10 Keying device Pending JPS5429924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9505577A JPS5429924A (en) 1977-08-10 1977-08-10 Keying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9505577A JPS5429924A (en) 1977-08-10 1977-08-10 Keying device

Publications (1)

Publication Number Publication Date
JPS5429924A true JPS5429924A (en) 1979-03-06

Family

ID=14127352

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9505577A Pending JPS5429924A (en) 1977-08-10 1977-08-10 Keying device

Country Status (1)

Country Link
JP (1) JPS5429924A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5933545U (en) * 1982-08-20 1984-03-01 株式会社リコー input device
JPH03111921A (en) * 1989-09-26 1991-05-13 Pfu Ltd Double-sided keyboard device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5933545U (en) * 1982-08-20 1984-03-01 株式会社リコー input device
JPS6243393Y2 (en) * 1982-08-20 1987-11-11
JPH03111921A (en) * 1989-09-26 1991-05-13 Pfu Ltd Double-sided keyboard device

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