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5899947 Current check module for hand-held vehicle tester  
A system for testing the electrical components of vehicles during manufacturing includes a hand held tester to which a translator unit can be detachably engaged and with which the tester is in RF...
5897600 Universal modular control system for mobile material distribution apparatus  
A universal modular control system for controlling a mobile material distribution apparatus is disclosed. The universal modular control system is adaptable for use with any of a plurality of...
5896418 Data transmission system having a communication control computer for controlling communication between a communication interface module and terminal devices  
In a data transmission system having a data processing unit (MPU) and a communication control unit (CIM) and capable of transmitting a data to a local control unit (LCU) in a half duplex mode, the...
5890080 Truck with monitored and resettable electronic control units  
A method for determining installed electronic devices on a truck and for providing a centralized reset to clear faults in the installed electronics. An instrumentation control unit in the cab of a...
5884206 Distributed control system for heavy construction machine  
A distributed control system for a heavy construction machine, comprising a plurality of modules into which components in the heavy construction machine are classified according to functions and...
5857158 Control unit and device for programming it  
The control unit, especially a motor vehicle control unit, includes a microcomputer (13), a programmable nonvolatile memory (14) connected with or integrated in the microcomputer (13), a serial...
5850209 Computer system having remotely operated interactive display  
A computer-based apparatus provides access to complex technical information needed, for example, to maintain and repair complicated equipment, such as a motor vehicle. The apparatus includes a...
5848365 Diagnostic method and system for electrical system in a truck  
A diagnostic method and system in a truck monitors voltages reported by electrical control units in a truck via a shared communication path called the data link. When a data logging unit on the...
5838261 Device for monitoring a complex system such as an aircraft  
A device for monitoring a complex system includes a central unit for transmitting monitoring information to a display unit, the display unit displaying messages concerning the information received....
5835871 Method and system for diagnosing and reporting failure of a vehicle emission test  
Disclosed is a system and method which systematically diagnoses emissions test failure by applying the rules of a knowledge base to predict the cause of vehicle emissions failures. Classifiers are...
5832397 Integrated wiring systems for a vehicle control system  
An integrated wiring system for controlling multiple vehicle systems comprising a plurality of terminal control units having different information processing speed and a central control unit. A...
5832395 Electric automotive vehicle control apparatus  
One central processing unit 63 is connected to the other central processing unit 64 via a communication line 200. Various data, such as driving operational information, actuation commands, and...
5815823 Microprocessor controlled railway car accounting and communication system  
Apparatus by which a controlling information processing unit can communicate individually with subordinate information processing units which are connected sequentially along a pair of electrical...
5798647 Diagnostic test controller apparatus  
A diagnostic test apparatus for simulating pin open circuit, pin short to ground and pin shorted-to-voltage fault conditions at each pin of each connector of an engine controller module (ECM). The...
5794167 Microprocessor based reliability system applicable, in particular, to the field of rail transport  
Microprocessor based safety system applicable, in particular, to the field of rail transport, for monitoring and controlling actuators (ACT) as a function of the data supplied by sensors (CP),...
5790965 Diagnosis system applicable to several types of electronic control units for motor vehicles  
A diagnosis system has a main circuit for executing diagnosis by data communication with an electronic control unit installed in a vehicle using data read out of the control unit. The system has an...
5787371 Apparatus to enable controlling a throttle controlling from a remote host  
In a locomotive throttle controller having a digital central processor unit and an output driver mechanism for supplying signals to trainlines which control the locomotive engine throttle setting,...
5787372 Automated fluid changing system with single-point connection  
An automated system for rapidly and safely evacuating used fluid from the drain plug opening of a fluid receptacle and replenishing the fluid receptacle with fresh fluid through the same drain plug...
5781125 Arrangement for the wireless exchange of data between a servicing device and a control unit in a motor vehicle  
In the case of an arrangement for the wireless exchange of data between a servicing device and a control unit in a motor vehicle, having a transmission path between the servicing device and a...
5774361 Context sensitive vehicle alignment and inspection system  
A vehicle alignment and inspection system is provided which uses context sensitive information from several sources to enable the user/operator to achieve a more efficient alignment or inspection...
5771474 Method for testing electronic control devices  
The method for testing an electronic control device containing a microcomputer and a volatile memory for programs processed in the microcomputer includes transferring a program module for testing...
5737711 Diagnosis system for motor vehicle  
A diagnosis system conducts diagnosis with data read out of an electronic control unit with a communications protocol installed in a vehicle. The system has an integrated circuit to be an...
5734322 Communication circuit trouble checking apparatus  
An apparatus for checking a trouble in a communication circuit connected between engine and transmission control units. A check signal is produced at uniform intervals of time. The check signal is...
5712782 Method of optimizing utilization of a group of agricultural machine  
In the process for optimizing operation of a group of agricultural machines a controlling processor, which exchanges data telemetrically with on-board processors of agricultural machines and...
5711021 Method for graphically displaying vehicle test data  
A method and apparatus is provided for graphically displaying gas emission levels of certain selected ingredients of an exhaust gas collected by an engine analyzer system during a 240-second...
5555498 Circuit and method for interfacing vehicle controller and diagnostic test instrument  
An adapter which permits the use of present diagnostic tools with newer ISO9141 equipped engine and transmission controllers. The adapter facilitates bi-directional communication while conditioning...
5555171 Data collection system for driving machine  
A data collection system for a driving machine for collecting data obtained at a plurality of controllers disposed within the driving machine, in which one of the plurality of controllers is used...
5541840 Hand held automotive diagnostic service tool  
The present invention relates to a system and method for diagnosing and isolating problems and for monitoring operting conditions on an automobile. The system includes a hand held unit and a master...
5528496 Vehicle alignment system and method incorporating digital photograph database of vehicles  
A vehicle alignment system for inspecting and adjusting alignment of the suspension of numerous different vehicle models includes manually operable switches for selecting a particular vehicle...
5485596 Abnormality diagnostic system for evaporative fuel-processing system of internal combustion engine for vehicles  
An evaporative fuel-processing system for an internal combustion engine, comprises an evaporative emission control system in which a first control valve is arranged across an evaporative...
5481906 Fault diagnosis apparatus and method for vehicle control system  
This invention relates to a fault diagnosis apparatus for a vehicle control system. The fault diagnosis apparatus is useful in diagnosing a fault of an electronic component mounted on a vehicle,...
5479347 Vehicle diagnosis system  
In a vehicle diagnosis system in which a diagnosis unit is connected to a control unit, the control unit determines whether or not there is a code read request from the diagnosis unit. When there...
5463567 Apparatus and method for providing historical data regarding machine operating parameters  
When compiling machine performance data it is advantageous for such data to have been acquired during periods in which the machine was in the same general operating state. The subject invention...
5459660 Circuit and method for interfacing with vehicle computer  
An interface circuit for providing signals necessary to monitor one or more on-board vehicle computers through a serial communication link between an off-board controller and the on-board vehicle...
5438513 Automotive electronics test system  
A system and method for testing an automotive electronic microcontroller includes a multi-chip module comprised of a microcontroller chip and at least one memory chip. This multi-chip module is...
5418719 Trouble checking apparatus  
A trouble checking apparatus for checking a trouble in a circuit or system. Data related to operating conditions of the circuit are inputted. A defective condition is checked for each of different...
5414626 Apparatus and method for capturing, storing, retrieving, and displaying the identification and location of motor vehicle emission control systems  
A computer system, including a relational database, especially for use by an inspector at a Motor Vehicle Inspection facility, for capturing, storing, retrieving, and displaying visual images...
5408412 Engine fault diagnostic system  
A diagnostic system for use in troubleshooting malfunctions in an aircraft engine control system receives sensor data obtained during a flight. The sensor data is supplemented by signals indicative...
5400018 Method of relaying information relating to the status of a vehicle  
A method for reduces the amount of information relating to the status of a vehicle relayed from the vehicle to a remote location over a communications data link. The method includes the steps of...
5396422 Method for detecting malfunctions in a motor vehicle  
A method for detecting malfunctions in a motor vehicle, in which data words formed in subassemblies (sensors or components) upon detection of a malfunction therein are read by an analysis unit. The...
5365436 Electronic management system for heavy-duty trucks  
An electronic data link that services components of the vehicle including components other than the engine and an electronic engine management system that services the engine operate in different...
5325082 Comprehensive vehicle information storage system  
A vehicle information storage system for all vehicle electronic sensors comprising a condition monitoring subsystem(7) and a storage subsystem(9). The condition monitoring subsystem(7) comprises,...
5318449 Method and apparatus for computer-aided diagnosis of engines  
Diagnosis of an electronically fuel-injected engine equipped with sensors connected to an on-board microcomputer. Use of a standard personal or portable computer and a connector for electrical...
5274554 Multiple-voting fault detection system for flight critical actuation control systems  
A control system includes a dual actuator (2) and primary and secondary controllers (20, 22), each of which has two control channels. In a normal mode of operation, the primary controller (20)...
5260874 Aircraft flight emulation test system  
An aircraft test system generates stimuli that emulate the stimuli received by an aircraft when in flight is disclosed. The aircraft test system includes a number of instruments for generating the...
5229942 Control system for remote power up  
Automotive vehicle test equipment includes a controller which controls power supplied to a test circuit. The controller monitors a sleep mode switch which determines whether the controller enters a...
5227766 Abnormality detecting system  
An abnormality detecting system includes equipment for detecting an abnormality which occurs therein and for transmitting an abnormal signal, and an abnormal signal processing unit for analyzing...
5214582 Interactive diagnostic system for an automotive vehicle, and method  
An interactive diagnostic system is disclosed herein for use with an automotive vehicle of the type including a network of sensors and actuators for independently sensing and actuating a number of...
5160892 Engine analyzer waveform display with a buffer region  
An engine analyzer for an internal combustion engine includes an analog-to-digital (A/D) converter which digitizes an analog input waveform representing, for example, a secondary or primary voltage...
5157610 System and method of load sharing control for automobile  
A system and method for load sharing processing operations between a vehicle mounted station (105) and a stationary base station (25) having a large capacity host computer is described. The vehicle...