FR537334A - Electrical device for the protection of displays placed behind mirrors - Google Patents

Electrical device for the protection of displays placed behind mirrors

Info

Publication number
FR537334A
FR537334A FR537334DA FR537334A FR 537334 A FR537334 A FR 537334A FR 537334D A FR537334D A FR 537334DA FR 537334 A FR537334 A FR 537334A
Authority
FR
France
Prior art keywords
protection
electrical device
placed behind
displays placed
mirrors
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
Andre Broca
L Etat Francais
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 FR537334A publication Critical patent/FR537334A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR537334D 1921-06-23 1921-06-23 Electrical device for the protection of displays placed behind mirrors Expired FR537334A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR537334T 1921-06-23

Publications (1)

Publication Number Publication Date
FR537334A true FR537334A (en) 1922-05-20

Family

ID=8927400

Family Applications (1)

Application Number Title Priority Date Filing Date
FR537334D Expired FR537334A (en) 1921-06-23 1921-06-23 Electrical device for the protection of displays placed behind mirrors

Country Status (1)

Country Link
FR (1) FR537334A (en)

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