JPS5350931A - Key arranging device for keyboard - Google Patents

Key arranging device for keyboard

Info

Publication number
JPS5350931A
JPS5350931A JP12590976A JP12590976A JPS5350931A JP S5350931 A JPS5350931 A JP S5350931A JP 12590976 A JP12590976 A JP 12590976A JP 12590976 A JP12590976 A JP 12590976A JP S5350931 A JPS5350931 A JP S5350931A
Authority
JP
Japan
Prior art keywords
keyboard
key
arranging device
key arranging
terms
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
JP12590976A
Other languages
Japanese (ja)
Other versions
JPS6045447B2 (en
Inventor
Ko Shojiyu
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP51125909A priority Critical patent/JPS6045447B2/en
Publication of JPS5350931A publication Critical patent/JPS5350931A/en
Publication of JPS6045447B2 publication Critical patent/JPS6045447B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)

Abstract

PURPOSE: To improve the operating efficiency of the key by deciding the shape the key touching surface: the central part of the depth is lowered in terms of the the cross-section hsape in the row direction; the center part between the right and left side edges is heightened in terms of the cross-section shape in the stage direction respectively.
COPYRIGHT: (C)1978,JPO&Japio
JP51125909A 1976-10-20 1976-10-20 keyboard Expired JPS6045447B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51125909A JPS6045447B2 (en) 1976-10-20 1976-10-20 keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51125909A JPS6045447B2 (en) 1976-10-20 1976-10-20 keyboard

Publications (2)

Publication Number Publication Date
JPS5350931A true JPS5350931A (en) 1978-05-09
JPS6045447B2 JPS6045447B2 (en) 1985-10-09

Family

ID=14921903

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51125909A Expired JPS6045447B2 (en) 1976-10-20 1976-10-20 keyboard

Country Status (1)

Country Link
JP (1) JPS6045447B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57125069A (en) * 1980-12-19 1982-08-04 Int Standard Electric Corp Key board device
JPS6383731U (en) * 1986-11-21 1988-06-01

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57125069A (en) * 1980-12-19 1982-08-04 Int Standard Electric Corp Key board device
JPS6383731U (en) * 1986-11-21 1988-06-01

Also Published As

Publication number Publication date
JPS6045447B2 (en) 1985-10-09

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