DE312699C - - Google Patents

Info

Publication number
DE312699C
DE312699C DENDAT312699D DE312699DA DE312699C DE 312699 C DE312699 C DE 312699C DE NDAT312699 D DENDAT312699 D DE NDAT312699D DE 312699D A DE312699D A DE 312699DA DE 312699 C DE312699 C DE 312699C
Authority
DE
Germany
Prior art keywords
bridge
key
contact
armature
resistor
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
DENDAT312699D
Other languages
German (de)
English (en)
Publication of DE312699C publication Critical patent/DE312699C/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
    • G07C9/00714—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 passive electrical components, e.g. resistor, capacitor, inductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
DENDAT312699D Active DE312699C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE312699C true DE312699C (enrdf_load_stackoverflow)

Family

ID=565612

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT312699D Active DE312699C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE312699C (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE934814C (de) * 1951-12-11 1955-11-03 Hans-Stefan Neubert Mit Stromschluss zu oeffnendes Schloss
US3134254A (en) * 1961-01-24 1964-05-26 Joseph D Richard Secure locking system
US3283550A (en) * 1964-05-25 1966-11-08 Bradway Joseph Electrical locking arrangement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE934814C (de) * 1951-12-11 1955-11-03 Hans-Stefan Neubert Mit Stromschluss zu oeffnendes Schloss
US3134254A (en) * 1961-01-24 1964-05-26 Joseph D Richard Secure locking system
US3283550A (en) * 1964-05-25 1966-11-08 Bradway Joseph Electrical locking arrangement

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