FR20105E - Commutateur inverseur de courant à combinaisons secrètes - Google Patents

Commutateur inverseur de courant à combinaisons secrètes

Info

Publication number
FR20105E
FR20105E FR20105DA FR20105E FR 20105 E FR20105 E FR 20105E FR 20105D A FR20105D A FR 20105DA FR 20105 E FR20105 E FR 20105E
Authority
FR
France
Prior art keywords
reversing switch
combination current
current reversing
secret combination
secret
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
Louis Cadenel
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 FR20105E publication Critical patent/FR20105E/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00658—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys
    • G07C9/00666—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with dials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR20105D 1915-02-26 1915-03-04 Commutateur inverseur de courant à combinaisons secrètes Expired FR20105E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR479527T 1915-02-26
FR20105T 1915-03-04

Publications (1)

Publication Number Publication Date
FR20105E true FR20105E (fr) 1916-10-06

Family

ID=1361209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR20105D Expired FR20105E (fr) 1915-02-26 1915-03-04 Commutateur inverseur de courant à combinaisons secrètes

Country Status (1)

Country Link
FR (1) FR20105E (fr)

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