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Douglas D Stiff, 7333019 Stoner Dr, St Heights, MI 48312

Known as:
Douglas Duane Stiff Doug D Stiff Douglas D Stief
Related to:
Debra A Dumler 72

Douglas Stiff Phones & Addresses

33019 Stoner Dr, Sterling Hts, MI 48312   

Sterling Heights, MI   

Roscommon, MI   

Shelby Township, MI   

Pontiac, MI   

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Us Patents

Vehicle Mileage Interval Detector

US Patent:
4284972, Aug 18, 1981
Filed:
Nov 9, 1979
Appl. No.:
6/092745
Inventors:
Randolph K. Chiu - Davison MI
Douglas A. Stiff - Burton MI
Francis G. Cox - Grand Blanc MI
Assignee:
General Motors Corporation - Detroit MI
International Classification:
B60Q 100
G01D 1300
G08B 500
US Classification:
340 52D
Abstract:
An apparatus for providing a service reminder when a vehicle has accumulated a predetermined mileage comprises a potentiometer operated by the highest order number wheel of the vehicle odometer to provide an output voltage which changes incrementally with each indexing motion of that number wheel. An electrical detector responsive to the potentiometer output energizes a signal lamp when the output reaches a voltage in a predetermined range representing a desired service interval. An electrical connector in circuit with the potentiometer can be disconnected to change the potentiometer voltage to a value outside the predetermined range to allow the service reminder circuit to turn off the indicator lamp when the indicated service has been performed. The apparatus is adapted to operate in conjunction with an electronic engine control module which can be programmed to detect the predetermined value of the potentiometer output and to operate a signal lamp. The potentiometer output in addition provides information to the electronic control module on the accumulated mileage of the vehicle.

Possible Relatives

David D Stiff  Gail M Stiff  Gerald S Stiff  Grant K Stiff  Gregory M Stiff  Jackie Stiff  Jaime Stiff  Douglas P Johnson  Douglas R Stamps  Douglas J Standish 

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