Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – In vehicle wiring
Patent
1998-02-26
2000-08-15
Ballato, Josie
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
In vehicle wiring
324555, 340653, 340654, 340438, G01R 3100, H01H 3112, G08B 2100, B60Q 100
Patent
active
061041963
ABSTRACT:
A tester is disclosed for any one of three different types of cruise control systems on a vehicle, each of which has a cruise engage signal conductor which is tested for circuit continuity. The continuity testing circuit includes a battery, light emitting diode (LED) and a transistor with its base connected through a bias resistor to a connector element which is connected to the cruise engage signal conductor for testing its continuity. The circuit continuity is indicated by turn-on of the LED for two types of cruise control systems and by failure to turn-on the LED for the third type of cruise control system.
REFERENCES:
patent: 4565963 (1986-01-01), Shaw
patent: 4764727 (1988-08-01), McConchie, Sr.
patent: 4884033 (1989-11-01), McConchie, Sr.
patent: 5027640 (1991-07-01), Hinckley et al.
patent: 5040407 (1991-08-01), Hinckley et al.
Ballato Josie
Hollington Jermele M.
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