JPS5794835A - Electronic device - Google Patents

Electronic device

Info

Publication number
JPS5794835A
JPS5794835A JP55171293A JP17129380A JPS5794835A JP S5794835 A JPS5794835 A JP S5794835A JP 55171293 A JP55171293 A JP 55171293A JP 17129380 A JP17129380 A JP 17129380A JP S5794835 A JPS5794835 A JP S5794835A
Authority
JP
Japan
Prior art keywords
data
cpu
numerical value
generator
keyboard
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
JP55171293A
Other languages
Japanese (ja)
Inventor
Takashi Tsunoda
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 JP55171293A priority Critical patent/JPS5794835A/en
Publication of JPS5794835A publication Critical patent/JPS5794835A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0238—Programmable keyboards

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Record Information Processing For Printing (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE:To eliminate the limitation for the number of operators which is due to the space limit on a keyboard, by using specific keys in addition to the ten keys, etc. CONSTITUTION:The numerical value supplied through a keyboard KB is informed to a CPU throgh a signal line l1 and by the operation of a data key. The CPU decides whether the numerical value is effective or not by comparing it with the data of a read-only memory ROM. For this purpose, the CPU applies an address line ADl to the ROM to carry out the decision via a data line Dl. At the same time, the CPU feeds the numerical value to a decoder DCD and applies an address code corresponding to a character code of a character generator CG to the generator CG. Receiving this code, the generator CG send the data to a printer buffer BUF. Thus both the data and the operator symbol mark are printed to a printer P.
JP55171293A 1980-12-03 1980-12-03 Electronic device Pending JPS5794835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55171293A JPS5794835A (en) 1980-12-03 1980-12-03 Electronic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55171293A JPS5794835A (en) 1980-12-03 1980-12-03 Electronic device

Publications (1)

Publication Number Publication Date
JPS5794835A true JPS5794835A (en) 1982-06-12

Family

ID=15920613

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55171293A Pending JPS5794835A (en) 1980-12-03 1980-12-03 Electronic device

Country Status (1)

Country Link
JP (1) JPS5794835A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011022127A (en) * 2009-07-17 2011-02-03 Inko Son Safety-pin type electronic measuring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011022127A (en) * 2009-07-17 2011-02-03 Inko Son Safety-pin type electronic measuring device

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