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CH471419A - Key lock on ten key calculator with setting mechanism - Google Patents

Key lock on ten key calculator with setting mechanism

Info

Publication number
CH471419A
CH471419A CH681768A CH681768A CH471419A CH 471419 A CH471419 A CH 471419A CH 681768 A CH681768 A CH 681768A CH 681768 A CH681768 A CH 681768A CH 471419 A CH471419 A CH 471419A
Authority
CH
Switzerland
Prior art keywords
key
calculator
setting mechanism
lock
key lock
Prior art date
Application number
CH681768A
Other languages
German (de)
Inventor
Hesse Alfred
Braun Gebhardt
Original Assignee
Olympia Werke Ag
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 Olympia Werke Ag filed Critical Olympia Werke Ag
Publication of CH471419A publication Critical patent/CH471419A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/02—Keyboards
    • G06C7/04—Interlocking devices, e.g. between keys

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Registering Or Overturning Sheets (AREA)
CH681768A 1967-08-23 1968-05-08 Key lock on ten key calculator with setting mechanism CH471419A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1549340 1967-08-23

Publications (1)

Publication Number Publication Date
CH471419A true CH471419A (en) 1969-04-15

Family

ID=5676653

Family Applications (1)

Application Number Title Priority Date Filing Date
CH681768A CH471419A (en) 1967-08-23 1968-05-08 Key lock on ten key calculator with setting mechanism

Country Status (4)

Country Link
US (1) US3526356A (en)
CH (1) CH471419A (en)
FR (1) FR1575298A (en)
GB (1) GB1246809A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1908667A1 (en) * 1969-02-21 1970-09-10 Diehl Fa Device for the automatic storage of a product or quotient in the corresponding work of a calculating machine, controlled by a program wave
JPS521619B1 (en) * 1971-02-24 1977-01-17
DE2122783A1 (en) * 1971-05-08 1972-11-16 Walther Büromaschinen GmbH, 7342 Gerstetten Zero stop device for numeric keypad calculators and adding machines

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3084855A (en) * 1963-04-09 Ten-key adding machine fo r non-uniform
US3188003A (en) * 1962-09-07 1965-06-08 Monroe Int Overcapacity control in a decimal system
CH408469A (en) * 1964-08-01 1966-02-28 Olivetti & Co Spa Device for controlling the actuators of a reduced keyboard typing adder

Also Published As

Publication number Publication date
US3526356A (en) 1970-09-01
GB1246809A (en) 1971-09-22
FR1575298A (en) 1969-07-18

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Legal Events

Date Code Title Description
PL Patent ceased