Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent
1987-05-01
1988-04-19
Shoop, Jr., William M.
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
307 9, 307115, 324 73R, 324158MG, 338 77, 738659, 738655, G01M 1900
Patent
active
047391847
ABSTRACT:
A hand-held portable transducer simulator unit connects to a vehicle's instrumentation circuitry in substitution of the vehicle's own pressure and/or temperature transducers for diagnostic checking of the instrumentation circuitry. Various sets of adapter cables are available for use to connect the unit to the instrumentation circuitry depending upon the particular model and accessories involved. The unit simulates both pressure and temperature transducers and contains various resistor loads which are selectively presented to the instrumentation circuitry through use of a rotary selector switch on the face of the unit to simulate transducer response to various conditions. The information presented on the vehicle's instrumentation display is monitored for correspondence to the simulated conditions selected by the selector switch.
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AuBuchon F. David
Ip Paul
Navistar International Transportation Corp.
Shoop Jr. William M.
Sullivan Dennis K.
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