DE260548C - - Google Patents

Info

Publication number
DE260548C
DE260548C DENDAT260548D DE260548DA DE260548C DE 260548 C DE260548 C DE 260548C DE NDAT260548 D DENDAT260548 D DE NDAT260548D DE 260548D A DE260548D A DE 260548DA DE 260548 C DE260548 C DE 260548C
Authority
DE
Germany
Prior art keywords
contact
push buttons
holes
plate
control device
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.)
Active
Application number
DENDAT260548D
Other languages
German (de)
English (en)
Publication of DE260548C publication Critical patent/DE260548C/de
Active 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
    • G07C9/00674—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 switch-buttons
    • G07C9/0069—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 switch-buttons actuated in a predetermined sequence

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
DENDAT260548D Active DE260548C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE260548C true DE260548C (enrdf_load_stackoverflow)

Family

ID=518182

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT260548D Active DE260548C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE260548C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192448A (en) * 1961-02-06 1965-06-29 John C Hevenor Keyless electric lock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192448A (en) * 1961-02-06 1965-06-29 John C Hevenor Keyless electric lock

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