Electronic detection device for motorized vehicles
A method is described of automatically detecting the condition of electrical system components of a vehicle having a battery and a plurality of electrical system components, the method comprising the steps: (a) generating an actuation signal at a location remote from the vehicle; (b) selectively supplying power to a plurality of electrical system components including vehicle headlights, indicator lights and horn, the supplying step including energizing particular ones of the electrical system components through a plurality of separately actuatable switch means; (c) actuating the plurality of switch means in a predetermined sequence in response to the actuation signal, and (d) maintaining at least one of the electrical system components deenergized at any one time during the predetermined sequence, wherein the actuating step includes sequencing entirely through the predetermined sequence in response to the actuation signal, whereby all of the electrical system components are automatically energized in response to a single actuation signal while the instantaneous current drain from the battery of the vehicle is limited. The method of claim 9 wherein the vehicle includes an internal combustion engine and a starter circuit for starting the engine, the method further comprising the step: (i) conducting current from the battery to the starter circuit in response to reception of the actuation signal and before commencing the actuating step, whereby the vehicle engine is running when the actuating step is performed.
- Assignee:
- NOV; NOV-87-044007; EDB-87-045835
- Patent Number(s):
- US 4637359
- OSTI ID:
- 6987146
- Country of Publication:
- United States
- Language:
- English
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