JPS5346779A - Input system for portable electronic device - Google Patents

Input system for portable electronic device

Info

Publication number
JPS5346779A
JPS5346779A JP12203676A JP12203676A JPS5346779A JP S5346779 A JPS5346779 A JP S5346779A JP 12203676 A JP12203676 A JP 12203676A JP 12203676 A JP12203676 A JP 12203676A JP S5346779 A JPS5346779 A JP S5346779A
Authority
JP
Japan
Prior art keywords
electronic device
portable electronic
input system
light
push keys
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
JP12203676A
Other languages
Japanese (ja)
Inventor
Shiro Yamashita
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP12203676A priority Critical patent/JPS5346779A/en
Publication of JPS5346779A publication Critical patent/JPS5346779A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE: Light is inputted to photo detectors corresponding to push keys and an input device using light is obtained by changing the rotating angle of a prism in correspondence to the selected push keys.
COPYRIGHT: (C)1978,JPO&Japio
JP12203676A 1976-10-12 1976-10-12 Input system for portable electronic device Pending JPS5346779A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12203676A JPS5346779A (en) 1976-10-12 1976-10-12 Input system for portable electronic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12203676A JPS5346779A (en) 1976-10-12 1976-10-12 Input system for portable electronic device

Publications (1)

Publication Number Publication Date
JPS5346779A true JPS5346779A (en) 1978-04-26

Family

ID=14825998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12203676A Pending JPS5346779A (en) 1976-10-12 1976-10-12 Input system for portable electronic device

Country Status (1)

Country Link
JP (1) JPS5346779A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03109627A (en) * 1989-09-22 1991-05-09 Tsuoisu Kk Method and device for discriminating pushed key of keyboard
US5076344A (en) * 1989-03-07 1991-12-31 Aluminum Company Of America Die-casting process and equipment
JPH0623516U (en) * 1992-06-16 1994-03-29 和行 加藤 condom
JPH06289968A (en) * 1992-06-27 1994-10-18 Fujimi Koki Kk Method and device for discriminating depressed key of keyboard
US5435373A (en) * 1989-03-07 1995-07-25 Aluminum Company Of America Apparatus and method for lubricating and cleaning out die-casting equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5076344A (en) * 1989-03-07 1991-12-31 Aluminum Company Of America Die-casting process and equipment
US5435373A (en) * 1989-03-07 1995-07-25 Aluminum Company Of America Apparatus and method for lubricating and cleaning out die-casting equipment
JPH03109627A (en) * 1989-09-22 1991-05-09 Tsuoisu Kk Method and device for discriminating pushed key of keyboard
JPH0623516U (en) * 1992-06-16 1994-03-29 和行 加藤 condom
JPH06289968A (en) * 1992-06-27 1994-10-18 Fujimi Koki Kk Method and device for discriminating depressed key of keyboard

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