FR2317138A1 - Electronic car antitheft alarm - has three time delay circuits operated by door pillar switches with alarm isolating ignition coil and activating horn and lights - Google Patents

Electronic car antitheft alarm - has three time delay circuits operated by door pillar switches with alarm isolating ignition coil and activating horn and lights

Info

Publication number
FR2317138A1
FR2317138A1 FR7521771A FR7521771A FR2317138A1 FR 2317138 A1 FR2317138 A1 FR 2317138A1 FR 7521771 A FR7521771 A FR 7521771A FR 7521771 A FR7521771 A FR 7521771A FR 2317138 A1 FR2317138 A1 FR 2317138A1
Authority
FR
France
Prior art keywords
alarm
lights
time delay
ignition coil
delay circuits
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.)
Withdrawn
Application number
FR7521771A
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.)
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
Priority to FR7521771A priority Critical patent/FR2317138A1/en
Publication of FR2317138A1 publication Critical patent/FR2317138A1/en
Withdrawn legal-status Critical Current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
    • B60R25/1003—Alarm systems characterised by arm or disarm features
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • 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
    • B60R2025/1013—Alarm systems characterised by the type of warning signal, e.g. visual, audible
    • 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
    • B60R25/1001—Alarm systems associated with another car fitting or mechanism, e.g. door lock or knob, pedals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

The electronic car alarm uses three time delay circuits. The first is brought into operation by a door pillar switch which allows the driver 30 secs. to open the car doors without activating the alarm. A second delay then allows 10 secs. in which to switch on the car ignition when the car doors have been closed. If either time interval is exceeded, the alarm is activated and the horn and lights sound and flash for 30 secs. intermittently. The intermittent action is controlled by separate multivibrators for horn and lights, which are provided by relays. The alarm also isolates the ignition coil.
FR7521771A 1975-07-10 1975-07-10 Electronic car antitheft alarm - has three time delay circuits operated by door pillar switches with alarm isolating ignition coil and activating horn and lights Withdrawn FR2317138A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7521771A FR2317138A1 (en) 1975-07-10 1975-07-10 Electronic car antitheft alarm - has three time delay circuits operated by door pillar switches with alarm isolating ignition coil and activating horn and lights

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7521771A FR2317138A1 (en) 1975-07-10 1975-07-10 Electronic car antitheft alarm - has three time delay circuits operated by door pillar switches with alarm isolating ignition coil and activating horn and lights

Publications (1)

Publication Number Publication Date
FR2317138A1 true FR2317138A1 (en) 1977-02-04

Family

ID=9157798

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521771A Withdrawn FR2317138A1 (en) 1975-07-10 1975-07-10 Electronic car antitheft alarm - has three time delay circuits operated by door pillar switches with alarm isolating ignition coil and activating horn and lights

Country Status (1)

Country Link
FR (1) FR2317138A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2437958A1 (en) * 1978-10-02 1980-04-30 Prudhomme Christian Motor vehicle antitheft alarm system - has vibration sensor and RC delay circuit allowing driver to dismount
FR2559440A1 (en) * 1984-02-09 1985-08-16 Caussat Lucien Anti-theft alarm device for vehicles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2437958A1 (en) * 1978-10-02 1980-04-30 Prudhomme Christian Motor vehicle antitheft alarm system - has vibration sensor and RC delay circuit allowing driver to dismount
FR2559440A1 (en) * 1984-02-09 1985-08-16 Caussat Lucien Anti-theft alarm device for vehicles

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Legal Events

Date Code Title Description
ST Notification of lapse