JPS56137461A - Electronic desk calculator - Google Patents

Electronic desk calculator

Info

Publication number
JPS56137461A
JPS56137461A JP3924980A JP3924980A JPS56137461A JP S56137461 A JPS56137461 A JP S56137461A JP 3924980 A JP3924980 A JP 3924980A JP 3924980 A JP3924980 A JP 3924980A JP S56137461 A JPS56137461 A JP S56137461A
Authority
JP
Japan
Prior art keywords
case
key
display
calculator
plane
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
JP3924980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6119053B2 (enrdf_load_stackoverflow
Inventor
Hideo Fushimoto
Shigeru Toyomura
Yoshiaki Nishimuro
Osamu Asakura
Masahiro Rachi
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 JP3924980A priority Critical patent/JPS56137461A/ja
Publication of JPS56137461A publication Critical patent/JPS56137461A/ja
Priority to US06/490,550 priority patent/US4517660A/en
Publication of JPS6119053B2 publication Critical patent/JPS6119053B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1662—Details related to the integrated keyboard
    • G06F1/1671—Special purpose buttons or auxiliary keyboards, e.g. retractable mini keypads, keypads or buttons that remain accessible at closed laptop
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
    • G06F15/0216—Constructional details or arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/046—Casings convertible
    • H01H2223/05—Casings convertible composed of hingedly connected sections

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computing Systems (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Calculators And Similar Devices (AREA)
  • Input From Keyboards Or The Like (AREA)
JP3924980A 1980-03-27 1980-03-27 Electronic desk calculator Granted JPS56137461A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3924980A JPS56137461A (en) 1980-03-27 1980-03-27 Electronic desk calculator
US06/490,550 US4517660A (en) 1980-03-27 1983-05-06 Foldable electronic apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3924980A JPS56137461A (en) 1980-03-27 1980-03-27 Electronic desk calculator

Publications (2)

Publication Number Publication Date
JPS56137461A true JPS56137461A (en) 1981-10-27
JPS6119053B2 JPS6119053B2 (enrdf_load_stackoverflow) 1986-05-15

Family

ID=12547853

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3924980A Granted JPS56137461A (en) 1980-03-27 1980-03-27 Electronic desk calculator

Country Status (1)

Country Link
JP (1) JPS56137461A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6119053B2 (enrdf_load_stackoverflow) 1986-05-15

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