FR394866A - Pneumo-electric burglar alarm device - Google Patents

Pneumo-electric burglar alarm device

Info

Publication number
FR394866A
FR394866A FR394866DA FR394866A FR 394866 A FR394866 A FR 394866A FR 394866D A FR394866D A FR 394866DA FR 394866 A FR394866 A FR 394866A
Authority
FR
France
Prior art keywords
pneumo
alarm device
burglar alarm
electric burglar
electric
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
Enrico Seragnoli
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 FR394866A publication Critical patent/FR394866A/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
    • G08B13/20—Actuation by change of fluid pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR394866D 1908-09-25 1908-09-25 Pneumo-electric burglar alarm device Expired FR394866A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR394866T 1908-09-25

Publications (1)

Publication Number Publication Date
FR394866A true FR394866A (en) 1909-02-04

Family

ID=1440076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR394866D Expired FR394866A (en) 1908-09-25 1908-09-25 Pneumo-electric burglar alarm device

Country Status (1)

Country Link
FR (1) FR394866A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575570A1 (en) * 1984-12-27 1986-07-04 Dudognon Pecqueur Eric Device for pneumatic control of passage applied especially to anti-theft protection of vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575570A1 (en) * 1984-12-27 1986-07-04 Dudognon Pecqueur Eric Device for pneumatic control of passage applied especially to anti-theft protection of vehicles

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