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GB1554854A - Calculator device - Google Patents

Calculator device

Info

Publication number
GB1554854A
GB1554854A GB2347375A GB2347375A GB1554854A GB 1554854 A GB1554854 A GB 1554854A GB 2347375 A GB2347375 A GB 2347375A GB 2347375 A GB2347375 A GB 2347375A GB 1554854 A GB1554854 A GB 1554854A
Authority
GB
United Kingdom
Prior art keywords
calculator device
calculator
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.)
Expired
Application number
GB2347375A
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.)
Possum Controls Ltd
Original Assignee
Possum Controls Ltd
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 Possum Controls Ltd filed Critical Possum Controls Ltd
Priority to GB2347375A priority Critical patent/GB1554854A/en
Publication of GB1554854A publication Critical patent/GB1554854A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F15/0225—User interface arrangements, e.g. keyboard, display; Interfaces to other computer systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J7/00—Type-selecting or type-actuating mechanisms
    • B41J7/005—Type-selecting actions or mechanisms by unusual means, e.g. for use by physically disabled persons

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB2347375A 1976-08-31 1976-08-31 Calculator device Expired GB1554854A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2347375A GB1554854A (en) 1976-08-31 1976-08-31 Calculator device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2347375A GB1554854A (en) 1976-08-31 1976-08-31 Calculator device

Publications (1)

Publication Number Publication Date
GB1554854A true GB1554854A (en) 1979-10-31

Family

ID=10196196

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2347375A Expired GB1554854A (en) 1976-08-31 1976-08-31 Calculator device

Country Status (1)

Country Link
GB (1) GB1554854A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128386A (en) * 1982-10-07 1984-04-26 Possum Controls Ltd Apparatus for entering characters into a data processing system
GB2212306A (en) * 1987-11-07 1989-07-19 Nigel Rudolphus Demming Keyboard integrated dataswitch for a personal computer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128386A (en) * 1982-10-07 1984-04-26 Possum Controls Ltd Apparatus for entering characters into a data processing system
GB2212306A (en) * 1987-11-07 1989-07-19 Nigel Rudolphus Demming Keyboard integrated dataswitch for a personal computer

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee