FR980559A - Electro-automatic alarm device - Google Patents

Electro-automatic alarm device

Info

Publication number
FR980559A
FR980559A FR980559DA FR980559A FR 980559 A FR980559 A FR 980559A FR 980559D A FR980559D A FR 980559DA FR 980559 A FR980559 A FR 980559A
Authority
FR
France
Prior art keywords
electro
alarm device
automatic alarm
automatic
alarm
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)
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.)
Caldeira Queiroz & Cie Ltd
Original Assignee
Caldeira Queiroz & Cie Ltd
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 Caldeira Queiroz & Cie Ltd filed Critical Caldeira Queiroz & Cie Ltd
Application granted granted Critical
Publication of FR980559A publication Critical patent/FR980559A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
    • B60R25/1004—Alarm systems characterised by the type of sensor, e.g. current sensing means
    • B60R25/1006—Mechanical sensors, e.g. pendulums

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR980559D 1948-07-20 1949-02-09 Electro-automatic alarm device Expired FR980559A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR980559X 1948-07-20

Publications (1)

Publication Number Publication Date
FR980559A true FR980559A (en) 1951-05-15

Family

ID=4071233

Family Applications (1)

Application Number Title Priority Date Filing Date
FR980559D Expired FR980559A (en) 1948-07-20 1949-02-09 Electro-automatic alarm device

Country Status (1)

Country Link
FR (1) FR980559A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4358757A (en) * 1979-11-13 1982-11-09 Giuseppe Perini Seismic movement detector responsive in both vertical and horizontal planes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4358757A (en) * 1979-11-13 1982-11-09 Giuseppe Perini Seismic movement detector responsive in both vertical and horizontal planes

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