FR518964A - Calculator - Google Patents

Calculator

Info

Publication number
FR518964A
FR518964A FR518964A FR518964DA FR518964A FR 518964 A FR518964 A FR 518964A FR 518964 A FR518964 A FR 518964A FR 518964D A FR518964D A FR 518964DA FR 518964 A FR518964 A FR 518964A
Authority
FR
France
Prior art keywords
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
FR518964A
Other languages
French (fr)
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.)
Optische Anstalt CP Goerz AG
Original Assignee
Optische Anstalt CP Goerz 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 Optische Anstalt CP Goerz AG filed Critical Optische Anstalt CP Goerz AG
Application granted granted Critical
Publication of FR518964A publication Critical patent/FR518964A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G06C7/06—Keyboards with one set of keys for each denomination

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR518964A 1917-09-12 1920-07-05 Calculator Expired FR518964A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE518964X 1917-09-12

Publications (1)

Publication Number Publication Date
FR518964A true FR518964A (en) 1921-06-02

Family

ID=6550305

Family Applications (1)

Application Number Title Priority Date Filing Date
FR518964A Expired FR518964A (en) 1917-09-12 1920-07-05 Calculator

Country Status (1)

Country Link
FR (1) FR518964A (en)

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