FR1092523A - Improvements in electric key control devices, in particular those intended for opening building doors - Google Patents

Improvements in electric key control devices, in particular those intended for opening building doors

Info

Publication number
FR1092523A
FR1092523A FR1092523DA FR1092523A FR 1092523 A FR1092523 A FR 1092523A FR 1092523D A FR1092523D A FR 1092523DA FR 1092523 A FR1092523 A FR 1092523A
Authority
FR
France
Prior art keywords
control devices
particular those
key control
those intended
building doors
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
French (fr)
Inventor
Georges Lindu
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 filed Critical
Application granted granted Critical
Publication of FR1092523A publication Critical patent/FR1092523A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
    • H01H27/06—Key inserted and then turned to effect operation of the switch
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
FR1092523D 1953-10-28 1953-10-28 Improvements in electric key control devices, in particular those intended for opening building doors Expired FR1092523A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1092523T 1953-10-28

Publications (1)

Publication Number Publication Date
FR1092523A true FR1092523A (en) 1955-04-22

Family

ID=9616076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1092523D Expired FR1092523A (en) 1953-10-28 1953-10-28 Improvements in electric key control devices, in particular those intended for opening building doors

Country Status (1)

Country Link
FR (1) FR1092523A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4107484A (en) * 1977-07-18 1978-08-15 Irvin Industries Inc. Safety switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4107484A (en) * 1977-07-18 1978-08-15 Irvin Industries Inc. Safety switch

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