JPS547254A - Digital electronic apparatus - Google Patents

Digital electronic apparatus

Info

Publication number
JPS547254A
JPS547254A JP7307777A JP7307777A JPS547254A JP S547254 A JPS547254 A JP S547254A JP 7307777 A JP7307777 A JP 7307777A JP 7307777 A JP7307777 A JP 7307777A JP S547254 A JPS547254 A JP S547254A
Authority
JP
Japan
Prior art keywords
electronic apparatus
digital electronic
keys
giving
secure
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
JP7307777A
Other languages
Japanese (ja)
Inventor
Tadao Kusumoto
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP7307777A priority Critical patent/JPS547254A/en
Publication of JPS547254A publication Critical patent/JPS547254A/en
Pending legal-status Critical Current

Links

Landscapes

  • Cash Registers Or Receiving Machines (AREA)
  • Calculators And Similar Devices (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE: To secure an easy return to the state before the operation of a series of keys by giving a contrary operation to before against plural data within the stuck memory via the operation of a single key.
COPYRIGHT: (C)1979,JPO&Japio
JP7307777A 1977-06-20 1977-06-20 Digital electronic apparatus Pending JPS547254A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7307777A JPS547254A (en) 1977-06-20 1977-06-20 Digital electronic apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7307777A JPS547254A (en) 1977-06-20 1977-06-20 Digital electronic apparatus

Publications (1)

Publication Number Publication Date
JPS547254A true JPS547254A (en) 1979-01-19

Family

ID=13507897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7307777A Pending JPS547254A (en) 1977-06-20 1977-06-20 Digital electronic apparatus

Country Status (1)

Country Link
JP (1) JPS547254A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55121564A (en) * 1979-03-13 1980-09-18 Sharp Corp Electronic computer
JPS5755471A (en) * 1980-09-18 1982-04-02 Omron Tateisi Electronics Co Electronic cash register
JPS5858678A (en) * 1981-09-30 1983-04-07 Sharp Corp Calculator provided with check control function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55121564A (en) * 1979-03-13 1980-09-18 Sharp Corp Electronic computer
JPS5755471A (en) * 1980-09-18 1982-04-02 Omron Tateisi Electronics Co Electronic cash register
JPS5858678A (en) * 1981-09-30 1983-04-07 Sharp Corp Calculator provided with check control function
JPH0230537B2 (en) * 1981-09-30 1990-07-06 Sharp Kk

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