FR447635A - Machine à calculer - Google Patents

Machine à calculer

Info

Publication number
FR447635A
FR447635A FR447635DA FR447635A FR 447635 A FR447635 A FR 447635A FR 447635D A FR447635D A FR 447635DA FR 447635 A FR447635 A FR 447635A
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
Other languages
English (en)
Inventor
John Thomas Underwood
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR447635A publication Critical patent/FR447635A/fr
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
    • G06C11/00—Output mechanisms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
    • E05F15/75—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects responsive to the weight or other physical contact of a person or object

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
FR447635D 1911-11-04 1912-08-26 Machine à calculer Expired FR447635A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US447635XA 1934-07-05 1934-07-05

Publications (1)

Publication Number Publication Date
FR447635A true FR447635A (fr) 1913-01-10

Family

ID=21934208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR447635D Expired FR447635A (fr) 1911-11-04 1912-08-26 Machine à calculer

Country Status (2)

Country Link
FR (1) FR447635A (fr)
GB (1) GB447635A (fr)

Also Published As

Publication number Publication date
GB447635A (en) 1936-05-22

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