GB2290109A - Vehicle immoblising system - Google Patents

Vehicle immoblising system Download PDF

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Publication number
GB2290109A
GB2290109A GB9411697A GB9411697A GB2290109A GB 2290109 A GB2290109 A GB 2290109A GB 9411697 A GB9411697 A GB 9411697A GB 9411697 A GB9411697 A GB 9411697A GB 2290109 A GB2290109 A GB 2290109A
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GB
United Kingdom
Prior art keywords
vehicle
receiver
immobilising
coded signal
ignition coil
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Withdrawn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
GB9411697A
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GB9411697D0 (en
Inventor
Stephen Shanley
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 GB9411697A priority Critical patent/GB2290109A/en
Publication of GB9411697D0 publication Critical patent/GB9411697D0/en
Publication of GB2290109A publication Critical patent/GB2290109A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/01Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B60R25/04Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Burglar Alarm Systems (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

An F.M. radio transmitter 10 or microwave transmitter sends, when authorised, a coded signal to a receiver 16 of a selected vehicle 14. The receiver causes the battery connection to the ignition coil 26 to be interrupted and the alarm 24 operated. <IMAGE>

Description

TITLE: A Vehicle Immobilising System DESCRIPTION This invention relates to a vehicle immobilising system.
It is known to provide a tracking system to aid the recovery of stolen vehicles. The tracking system comprises a transmitter which is hidden within or on the vehicle and a receiver which is able to detect a signal from the transmitter if within range. The system is presently operated with co-operation from the police and if a vehicle which is fitted with a transmitter is stolen then the transmitter may be remotely activated and the position of the vehicle can be determined if a receiver comes within range of the transmitter.
However, although the system can accurately determine the position of a vehicle it is still necessary to recover the stolen vehicle. If the position of the vehicle is reported to the police then there is a possibility of the vehicle being moved before the police have an opportunity to recover the vehicle.
There is a problem with so called "joyriderstl who steal high performance vehicles and race them through towns or cities. These "joyriders" have caused serious accidents and the police have, in the past, resorted to chasing the stolen vehicles although this in itself has led to accidents since the chases have often been at high speed.
An aim of the present invention is to provide a vehicle immobilising system which overcomes the above mentioned problems.
In accordance with the present invention there is provided a vehicle immobilising system comprising means for selectively transmitting a signal to one of a plurality of receivers, means associated with each receiver to immobilise a vehicle, wherein receipt of said signal by a receiver activates said means for immobilising.
It is preferred that each receiver is adapted to receive a predetermined coded signal and that said selection means is preferably provided by the selection of a coded signal to be transmitted which corresponds to the coded signal adapted to be received by the selected receiver. Preferably said coded signal is unique.
The system may further comprise alarm means associated with each receiver whereupon receiving said coded signal, said alarm means is activated. The alarm means may be the vehicle's hazard lights and/or horn.
The immobilising means may upon activation disconnect power to an ignition coil. Said means may comprise switching means located preferably in a power line between the vehicle's battery and ignition coil.
The switch means may upon activation connect a positive terminal of the ignition coil to ground.
The transmitter may be a radio or microwave transmitter and is preferably an F.M. radio transmitter.
An embodiment of the present invention will now be described, by way of example only, with reference to the accompanying drawing, which is a block diagram of an embodiment of the present invention.
A remotely situated F.M. radio transmitter is indicated by numeral 10 and has a control means 12 for selecting one of a plurality of possible signals to be transmitted. For ease of description a single vehicle is indicated in dotted outline 14 and it will be appreciated that the system will be connected to a number of vehicles. The vehicle 14 has a receiver 16 fixed to the chassis thereof. The receiver can be positioned anywhere within or on the vehicle but obviously an attempt is made to locate the receiver in an inaccessible position. The receiver is adapted to respond to a predetermined coded signal and is connected via control line 18 to switch means 20. The switch means 20 has two import terminals a and b, two output terminals c and d and a control terminal e to which control line 18 is connected.
The vehicle further comprises a 12 volt battery 22, alarm means 24 and an ignition coil- 26. The positive terminal of the battery 22 is connected via line 28 to the positive terminal of the ignition coil 26. However, the line 28 is interrupted by switch means 20 and input terminal a is connected to the output of the battery and output terminal C is connected to the positive terminal of the ignition coil. The second input terminal b is connected to ground via a suitable source e.g., the chassis, and the second output terminal d is connected to alarm means 24 via line 30.
In normal use, terminal a is directly connected to terminal c such that the ignition coil is powered and there is no connection to either terminal b or d.
An example of the use of the vehicle immobilising system will now be given. Each owner of a vehicle fitted with a receiver is given a prearranged identification code e.g., a series of letters or numbers or a combination of both. In the event of their vehicle being stolen, the owner contacts a control centre which will take details of the vehicle e.g., licence plate number, and the identification code which are verified with their own records in order to establish that the owner is in fact the true owner and hence entitled to instruct their vehicle to be immobilised.
As described above, the receiver in the vehicle will only respond to a predetermined coded signal and hence the appropriate signal is selected by the control means 12 and transmitted by transmitter 10. Receiver 16 receivers the signal and sends a control signal via line 18 to terminal e of the switch means 20. The control signal activities the switch such that the electrical contact between terminal a and c is broken, terminals b and c are electrically connected and input terminal a is connected to output terminal d. In consequence, the power to the ignition coil is cut and the positive terminal grounded. The result of this will be that the engine is immobilised. Hence, if the vehicle is moving at the time the signal is transmitted then it will lose power and be brought to a standstill. Since the steering and brakes of the vehicle are not affected by the immobilising action the vehicle can be safely brought to a standstill. The activation of the switching means electrically connects the alarm means to the battery and hence the alarm means, which may include the vehicle's hazard lights and horn, are powered hence are activated.
A single example of providing the means for immobilising the vehicle has been described above and other methods of immobilising a vehicle are envisaged.
It is envisaged that the police will have the authority to request the immobilising of a vehicle. As an example, if the police are following a suspect vehicle it will be possible for them to, contact the control centre and request the immobilising of the vehicle by simply identifying the vehicle e.g. by licence plate number.

Claims (12)

1. A vehicle immobilising system comprising means for selectively transmitting a signal to one of a plurality of receivers, means associated with each receiver to immobilise a vehicle, wherein receipt of said signal by a receiver activates said means for immobilising.
2. A system as claimed in claim 1 wherein each receiver is adapted to receive a predetermined coded signal.
3. A system as claimed in claim 1 or 2 wherein said selection means is provided by the selection of a coded signal to be transmitted which corresponds to the coded signal adapted to be received by the selected receiver.
4. A system as claimed in claim 1, 2 or 3 further comprising alarm means associated with each receiver and which is activated upon receiving said coded signal.
5. A system as claimed in claim 4 wherein said alarm means is the vehicles hazard lights and/or horn.
6. A system as claimed in any one of claims 1 to 5 wherein upon activation the immobilising means disconnects power to an ignition coil of the vehicle.
7. A system as claimed in claim 6 wherein the immobilising means comprises a switch located in a power line between the vehicles battery and ignition coil.
8. A system as claimed in claim 7 wherein the operation of the switch connects a positive terminal of the ignition coil to ground.
9. A system as claimed in any one of the preceding claims wherein the transmitting means is a radio transmitter.
10. A system as claimed in claim 9 wherein said radio transmitter is an F.M. radio transmitter.
11. A system as claimed in any one of claims 1 to 8 wherein the transmitting means is a microwave transmitter.
12. A vehicle immobilising system substantially as hereinbefore described with reference to and as illustrating by the accompanying drawing.
GB9411697A 1994-06-10 1994-06-10 Vehicle immoblising system Withdrawn GB2290109A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9411697A GB2290109A (en) 1994-06-10 1994-06-10 Vehicle immoblising system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9411697A GB2290109A (en) 1994-06-10 1994-06-10 Vehicle immoblising system

Publications (2)

Publication Number Publication Date
GB9411697D0 GB9411697D0 (en) 1994-08-03
GB2290109A true GB2290109A (en) 1995-12-13

Family

ID=10756557

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9411697A Withdrawn GB2290109A (en) 1994-06-10 1994-06-10 Vehicle immoblising system

Country Status (1)

Country Link
GB (1) GB2290109A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006026347A2 (en) * 2004-08-25 2006-03-09 The Marenco Group Anti-carjacking system
WO2007084096A2 (en) * 2004-11-16 2007-07-26 Hap Nguyen Anti-carjacking system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4067411A (en) * 1976-05-27 1978-01-10 Conley Thomas R Vehicle emergency alarm and stop system
GB2119552A (en) * 1982-04-27 1983-11-16 Carlos Tinoco Gutierrez Anti-theft and retrieval for vehicles
US4660528A (en) * 1986-03-17 1987-04-28 Gene Buck Apparatus for remote termination of the operation of a selected motor vehicle
US5276728A (en) * 1991-11-06 1994-01-04 Kenneth Pagliaroli Remotely activated automobile disabling system
WO1994029148A1 (en) * 1993-06-03 1994-12-22 Rondish Company Limited Vehicle immobiliser
WO1995013943A1 (en) * 1993-11-19 1995-05-26 J.F.A. Technology, Inc. System and method for remotely tripping a switch

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4067411A (en) * 1976-05-27 1978-01-10 Conley Thomas R Vehicle emergency alarm and stop system
GB2119552A (en) * 1982-04-27 1983-11-16 Carlos Tinoco Gutierrez Anti-theft and retrieval for vehicles
US4660528A (en) * 1986-03-17 1987-04-28 Gene Buck Apparatus for remote termination of the operation of a selected motor vehicle
US5276728A (en) * 1991-11-06 1994-01-04 Kenneth Pagliaroli Remotely activated automobile disabling system
WO1994029148A1 (en) * 1993-06-03 1994-12-22 Rondish Company Limited Vehicle immobiliser
WO1995013943A1 (en) * 1993-11-19 1995-05-26 J.F.A. Technology, Inc. System and method for remotely tripping a switch

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006026347A2 (en) * 2004-08-25 2006-03-09 The Marenco Group Anti-carjacking system
WO2006026347A3 (en) * 2004-08-25 2006-06-01 Marenco Group Anti-carjacking system
US7859413B2 (en) 2004-08-25 2010-12-28 Rfid Options, Llc Immobilizer systems including digital car radio with RFID repeater and RFID starter fob
US7932836B2 (en) 2004-08-25 2011-04-26 Rfid Options, Llc RFID equipped vehicle immobilizer systems including speed control zones and methods relating thereto
US8106747B2 (en) 2004-08-25 2012-01-31 Hap Nguyen Vehicle security systems and methods including RFID enabled computer with occupant identification and safety system
US8587435B2 (en) 2004-08-25 2013-11-19 Hap Nguyen Vehicle identification and immobilizer systems and methods including license plate security
WO2007084096A2 (en) * 2004-11-16 2007-07-26 Hap Nguyen Anti-carjacking system
WO2007084096A3 (en) * 2004-11-16 2007-11-22 Hap Nguyen Anti-carjacking system

Also Published As

Publication number Publication date
GB9411697D0 (en) 1994-08-03

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)