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JPS52135221A - Key input control system - Google Patents

Key input control system

Info

Publication number
JPS52135221A
JPS52135221A JP5238876A JP5238876A JPS52135221A JP S52135221 A JPS52135221 A JP S52135221A JP 5238876 A JP5238876 A JP 5238876A JP 5238876 A JP5238876 A JP 5238876A JP S52135221 A JPS52135221 A JP S52135221A
Authority
JP
Japan
Prior art keywords
key input
control system
input control
circuit
moslsi
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
JP5238876A
Other languages
Japanese (ja)
Other versions
JPS607288B2 (en
Inventor
Hisao Kunida
Hideo Yoshida
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 JP51052388A priority Critical patent/JPS607288B2/en
Publication of JPS52135221A publication Critical patent/JPS52135221A/en
Publication of JPS607288B2 publication Critical patent/JPS607288B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Calculators And Similar Devices (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE: To simplify circuit constitution relating to indication and to decrease the number of terminals of MOSLSI by using a word signal for key input directly and by constituting the circuit so that they key input signal is led in a decoder portion of ROM being a control part of operation.
COPYRIGHT: (C)1977,JPO&Japio
JP51052388A 1976-05-06 1976-05-06 Key input control method Expired JPS607288B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51052388A JPS607288B2 (en) 1976-05-06 1976-05-06 Key input control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51052388A JPS607288B2 (en) 1976-05-06 1976-05-06 Key input control method

Publications (2)

Publication Number Publication Date
JPS52135221A true JPS52135221A (en) 1977-11-12
JPS607288B2 JPS607288B2 (en) 1985-02-23

Family

ID=12913411

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51052388A Expired JPS607288B2 (en) 1976-05-06 1976-05-06 Key input control method

Country Status (1)

Country Link
JP (1) JPS607288B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0524831Y2 (en) * 1986-02-20 1993-06-23

Also Published As

Publication number Publication date
JPS607288B2 (en) 1985-02-23

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