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JPS5680758A - Electronic desk-top calculator - Google Patents

Electronic desk-top calculator

Info

Publication number
JPS5680758A
JPS5680758A JP15899579A JP15899579A JPS5680758A JP S5680758 A JPS5680758 A JP S5680758A JP 15899579 A JP15899579 A JP 15899579A JP 15899579 A JP15899579 A JP 15899579A JP S5680758 A JPS5680758 A JP S5680758A
Authority
JP
Japan
Prior art keywords
display part
displayed
conversion
system display
information
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
JP15899579A
Other languages
Japanese (ja)
Inventor
Junichi Ishiwata
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 JP15899579A priority Critical patent/JPS5680758A/en
Priority to CA000365358A priority patent/CA1159571A/en
Publication of JPS5680758A publication Critical patent/JPS5680758A/en
Pending legal-status Critical Current

Links

Landscapes

  • Calculators And Similar Devices (AREA)
  • Digital Computer Display Output (AREA)

Abstract

PURPOSE: To reduce the probability of malfunction by making it possible for the operator to obtain accurate and useful information, by displaying pieces of information before and after conversion and unit symbols on a two-system display device at a time.
CONSTITUTION: Pieces of information on inch and metric values of length, area, weight, etc., before and after conversion are displayed on the two-system display device at a time together with their unit symbols. For example, metric system display part 7 and inch system display part 8 equipped with unit symbol display parts 10 and 11 displaying unit symbols by combining display elements are provided. When numeral 10 is keyed on keyboard 2 and conversion key 4 is pushed, numeral 10 is displayed on display part 8 and when key 7 is operated, "10.in" is displayed on display part 8 while "25.4cm" as the conversion result is also displayed on display part 7.
COPYRIGHT: (C)1981,JPO&Japio
JP15899579A 1979-12-06 1979-12-06 Electronic desk-top calculator Pending JPS5680758A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP15899579A JPS5680758A (en) 1979-12-06 1979-12-06 Electronic desk-top calculator
CA000365358A CA1159571A (en) 1979-12-06 1980-11-24 Electronic calculator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15899579A JPS5680758A (en) 1979-12-06 1979-12-06 Electronic desk-top calculator

Publications (1)

Publication Number Publication Date
JPS5680758A true JPS5680758A (en) 1981-07-02

Family

ID=15683917

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15899579A Pending JPS5680758A (en) 1979-12-06 1979-12-06 Electronic desk-top calculator

Country Status (2)

Country Link
JP (1) JPS5680758A (en)
CA (1) CA1159571A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57185046U (en) * 1981-05-12 1982-11-24

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5214115A (en) * 1975-07-23 1977-02-02 Mazda Motor Corp Suction device of rotary piston engine
JPS5347251A (en) * 1976-10-12 1978-04-27 Seiko Epson Corp Calculator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5214115A (en) * 1975-07-23 1977-02-02 Mazda Motor Corp Suction device of rotary piston engine
JPS5347251A (en) * 1976-10-12 1978-04-27 Seiko Epson Corp Calculator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57185046U (en) * 1981-05-12 1982-11-24
JPS642182Y2 (en) * 1981-05-12 1989-01-19

Also Published As

Publication number Publication date
CA1159571A (en) 1983-12-27

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