GB2462127A - Light emitting diode vehicle bulb operation monitoring - Google Patents

Light emitting diode vehicle bulb operation monitoring Download PDF

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Publication number
GB2462127A
GB2462127A GB0813706A GB0813706A GB2462127A GB 2462127 A GB2462127 A GB 2462127A GB 0813706 A GB0813706 A GB 0813706A GB 0813706 A GB0813706 A GB 0813706A GB 2462127 A GB2462127 A GB 2462127A
Authority
GB
United Kingdom
Prior art keywords
resistor
light emitting
emitting diode
vehicle
circuit
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Withdrawn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
GB0813706A
Other versions
GB0813706D0 (en
Inventor
Stephen Desmond Lewis
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
Publication of GB0813706D0 publication Critical patent/GB0813706D0/en
Publication of GB2462127A publication Critical patent/GB2462127A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
    • B60Q11/005—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00 for lighting devices, e.g. indicating if lamps are burning or not
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005—Testing of electric installations on transport means
    • G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/44—Testing lamps

Abstract

An indicator device for monitoring correct operation of a circuit; specifically, using light emitting diodes (LED) to confirm operation of vehicle bulbs. An LED (5) is connected in parallel with a resistor (4) and in series between a bulb (6) to be monitored and the vehicle battery (1). The LED is mounted so as to be visible to the driver of a vehicle, preferably on a diagram of the vehicle showing the positions of the monitored bulbs. The LED will be illuminated if, and only if, the bulb is powered on and operating (it will be off if the bulb or the fuse in the circuit are open circuit). The invention provides a driver with assurance of the correct operation of bulbs not visible from within the vehicle (such as rear lights or indicators).

Description

Circuit operation indication equipment This invention relates to equipment that allows you to tell if an electrical circuit is functioning.
The rear lights of a vehicle may not be functioning but there is no way of telling until the car is serviced or if the driver gets out and physically checks, so between checks the vehicle may not be properly visible. To overcome this the present invention proposes a resistor and a light emitting diode or indicator device connected in parallel together, and this arrangement of resistor and led or indicator device connected in series with the circuit you wish to monitor.
When the circuit is in operation there will be a voltage across the resistor and the led, the resistor allows most of the current to flow but the small amount of current that is left over will flow through the led lighting it. The type of resistor and indication device depends on the circuit but it will not be possible for the led to be illuminated without the circuit being closed with the correct load. Most circuits contain fuses so if there was a short circuit the fuse would blow and the circuit would become open, thus not in operation and the led would go out.
Preferably, the equipment will be used in vehicles to indicate that front, rear or indicator lights are working.
Preferably, a diagram of a vehicle will have leds or indicator devices positioned on it to indicate the functioning of its lights, the diagram positioned where the driver can see it.
Preferably, the indicator devices will be positioned where the driver will see them.
Preferably, the equipment will be used in any circuit where there is a need for an indication that the equipment is definitely in operation.
An example of the invention will now be described by referring to the accompanying drawings: -figure 1 shows a circuit diagram of the circuit operation indication equipment according to the invention.
A power source I in this case a battery with output rails 2, 3 with 2 being positive and connected to both a resistor 4 and led 5 thus they are in parallel. In the prototype I built I used an 18 ohm 0.5 watt resistor and a standard 3mm led connected to a 12 volt battery. This arrangement of resistor and led in parallel is then connected in series to the circuit to be monitored, in this case it is a lamp 6 for illumination such as a rear light of a vehicle. In the prototype I used a 2 watt lamp.

Claims (4)

  1. Claims 1 A resistor and a light emitting diode or indicator device connected in parallel together, and this arrangement of resistor and Ted or indicator device connected in series with the circuit you wish to monitor.
  2. 2 A resistor and a light emitting diode or indicator device according to claim 1, in which the equipment will be used in vehicles to indicate that front, rear or indicator lights are working.
  3. 3 A resistor and a light emitting diode or indicator device according to claim 2, in which a diagram of a vehicle will have leds or indicator devices positioned on it to indicate the functioning of its lights, the diagram positioned where the driver can see it.
  4. 4 A resistor and a light emitting diode or indicator device according to claim 2, in which the indicator devices will be positioned where the driver will see them.A resistor and a light emitting diode or indicator device according to claim 1, in which the equipment will be used in any circuit where there is a need for an indication that the equipment is definitely in operation.Amendments to the Claims have been filed as follows 1I Claims I A resistor and a light emitting diode connected in parallel together, and this arrangement of resistor and led connected in series with a vehicle's light you wish to monitor, this arrangement being permanently fitted and exclusive of any other components or arrangements which may be used for monitoring the vehicle's light.2 A resistor and a light emitting diode according to claim 1, in which the equipment will be used in vehicles to indicate that front, rear or indicator lights are working.3 A resistor and a light emitting diode according to claim 2, in which a diagram of a vehicle will have leds positioned on it to indicate the functioning of its lights, the diagram positioned where the driver can see it.4 A resistor and a light emitting diode according to claim 2, in which the leds will be positioned where the driver will see them. * * * ** * * .*S * * **** *S ** * * * * *SS * 55 * * S *..S * S
GB0813706A 2008-07-22 2008-07-28 Light emitting diode vehicle bulb operation monitoring Withdrawn GB2462127A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0813370A GB0813370D0 (en) 2008-07-22 2008-07-22 Circuit operation indication equipment

Publications (2)

Publication Number Publication Date
GB0813706D0 GB0813706D0 (en) 2008-09-03
GB2462127A true GB2462127A (en) 2010-01-27

Family

ID=39737422

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0813370A Ceased GB0813370D0 (en) 2008-07-22 2008-07-22 Circuit operation indication equipment
GB0813706A Withdrawn GB2462127A (en) 2008-07-22 2008-07-28 Light emitting diode vehicle bulb operation monitoring

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0813370A Ceased GB0813370D0 (en) 2008-07-22 2008-07-22 Circuit operation indication equipment

Country Status (1)

Country Link
GB (2) GB0813370D0 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2102968A (en) * 1981-08-01 1983-02-09 Michael Hung Testing and monitoring device for vehicle lamps
US5278511A (en) * 1992-06-04 1994-01-11 Schneider Iii Henry J Compact lamp and circuit tester for vehicles, particularly automobiles
US5359290A (en) * 1993-01-11 1994-10-25 Actron Manufacturing Company Method and apparatus using a pair of test circuits having LED indicators for testing engine sensors and ignition modules in vehicles
US5936407A (en) * 1997-06-30 1999-08-10 Borland; Leslie R. Intravehicular auto harness integrity tester with switch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2102968A (en) * 1981-08-01 1983-02-09 Michael Hung Testing and monitoring device for vehicle lamps
US5278511A (en) * 1992-06-04 1994-01-11 Schneider Iii Henry J Compact lamp and circuit tester for vehicles, particularly automobiles
US5359290A (en) * 1993-01-11 1994-10-25 Actron Manufacturing Company Method and apparatus using a pair of test circuits having LED indicators for testing engine sensors and ignition modules in vehicles
US5936407A (en) * 1997-06-30 1999-08-10 Borland; Leslie R. Intravehicular auto harness integrity tester with switch

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Car Lights Tester: Lamp Good Indicator, copyright September 2006, updated January 2009, downloaded 26th February 2009 from: http://www.articlegems.co.uk/electronics/car/lights.php *
Jim Hagerman, Single LED Indicates Two Power States, downloaded 27th February 2009 from: http://www.hagtech.com/pdf/led.pdf *
Wikipedia: LED circuit, modified 24th February 2009, downloaded 26th February 2009 from: http://en.wikipedia.org/wiki/LED_circuit *

Also Published As

Publication number Publication date
GB0813370D0 (en) 2008-08-27
GB0813706D0 (en) 2008-09-03

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Legal Events

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