JPS51112123A - Calculator input unit - Google Patents

Calculator input unit

Info

Publication number
JPS51112123A
JPS51112123A JP50038357A JP3835775A JPS51112123A JP S51112123 A JPS51112123 A JP S51112123A JP 50038357 A JP50038357 A JP 50038357A JP 3835775 A JP3835775 A JP 3835775A JP S51112123 A JPS51112123 A JP S51112123A
Authority
JP
Japan
Prior art keywords
input unit
calculator input
calculator
light
utilising
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
JP50038357A
Other languages
Japanese (ja)
Inventor
Nobutaka Kitani
Kunihiro Kobayashi
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP50038357A priority Critical patent/JPS51112123A/en
Publication of JPS51112123A publication Critical patent/JPS51112123A/en
Pending legal-status Critical Current

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE: To obtain encoded signals with low power consumption by utilising a light receiving element as source of light and successively lighting luminous elements.
COPYRIGHT: (C)1976,JPO&Japio
JP50038357A 1975-03-27 1975-03-27 Calculator input unit Pending JPS51112123A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50038357A JPS51112123A (en) 1975-03-27 1975-03-27 Calculator input unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50038357A JPS51112123A (en) 1975-03-27 1975-03-27 Calculator input unit

Publications (1)

Publication Number Publication Date
JPS51112123A true JPS51112123A (en) 1976-10-04

Family

ID=12523018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50038357A Pending JPS51112123A (en) 1975-03-27 1975-03-27 Calculator input unit

Country Status (1)

Country Link
JP (1) JPS51112123A (en)

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