CH499829A - Function keyboard for calculating and data processing machines - Google Patents

Function keyboard for calculating and data processing machines

Info

Publication number
CH499829A
CH499829A CH1774968A CH1774968A CH499829A CH 499829 A CH499829 A CH 499829A CH 1774968 A CH1774968 A CH 1774968A CH 1774968 A CH1774968 A CH 1774968A CH 499829 A CH499829 A CH 499829A
Authority
CH
Switzerland
Prior art keywords
calculating
data processing
processing machines
function keyboard
keyboard
Prior art date
Application number
CH1774968A
Other languages
German (de)
Inventor
Vogel Karl
Original Assignee
Diehl Fa
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 Diehl Fa filed Critical Diehl Fa
Publication of CH499829A publication Critical patent/CH499829A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C21/00—Programming-mechanisms for determining the steps to be performed by the computing machine, e.g. when a key or certain keys are depressed
    • G06C21/04—Conditional arrangements for controlling subsequent operating functions, e.g. control arrangement triggered by a function key and depending on the condition of the register
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/02—Keyboards
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Input From Keyboards Or The Like (AREA)
CH1774968A 1967-12-07 1968-11-28 Function keyboard for calculating and data processing machines CH499829A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DED0054794 1967-12-07
DE19671549402 DE1549402A1 (en) 1967-12-07 1967-12-07 Function keyboard for calculating machines

Publications (1)

Publication Number Publication Date
CH499829A true CH499829A (en) 1970-11-30

Family

ID=25752906

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1774968A CH499829A (en) 1967-12-07 1968-11-28 Function keyboard for calculating and data processing machines

Country Status (3)

Country Link
US (1) US3523184A (en)
CH (1) CH499829A (en)
DE (1) DE1549402A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3401942A1 (en) * 1983-01-21 1984-11-15 Laitram Corp CONTOURED DATA PROCESSING KEYPAD OF THE TOUCH TYPE
WO1989010266A1 (en) * 1988-04-27 1989-11-02 Soerensen Egon Noertoft Keyboard

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4065650A (en) * 1976-09-21 1977-12-27 Lou Kwong Li Electronic calculator with switches in solid V- and U-shaped groups
DE2729157C2 (en) * 1977-06-28 1984-10-18 Hans Widmaier Fabrik für Apparate der Fernmelde- und Feinwerktechnik, 8000 München Key arrangement for triggering certain symbols on the key surface of respectively assigned switching functions or switching signals
DE8302660U1 (en) * 1983-02-01 1983-06-16 Hans Widmaier Fabrik Fuer Apparate Der Fernmelde- Und Feinwerktechnik, 8000 Muenchen Key arrangement for triggering certain symbols of the key surface in each case assigned switching functions or switching signals.
US4522518A (en) * 1983-07-07 1985-06-11 Schmidt John R Character data input keyboard arrangement having central matrix of keys
DE3838362C1 (en) * 1988-11-11 1990-01-11 Nixdorf Computer Ag, 4790 Paderborn, De
US5407285A (en) * 1990-07-24 1995-04-18 Franz; Patrick J. Pointing stick in a computer keyboard for cursor control

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2367421A (en) * 1945-01-16 Key coupling device
US3086701A (en) * 1963-04-23 Capellaro
US2656980A (en) * 1952-04-18 1953-10-27 Harold C Fox Key operating means for computing machines
DE1290743B (en) * 1964-09-21 1969-03-13 Olympia Werke Ag Device for selecting gaits in calculating machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3401942A1 (en) * 1983-01-21 1984-11-15 Laitram Corp CONTOURED DATA PROCESSING KEYPAD OF THE TOUCH TYPE
WO1989010266A1 (en) * 1988-04-27 1989-11-02 Soerensen Egon Noertoft Keyboard

Also Published As

Publication number Publication date
US3523184A (en) 1970-08-04
DE1549402A1 (en) 1971-02-18

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Legal Events

Date Code Title Description
PL Patent ceased