Measuring and testing – Simulating operating condition – Marine
Patent
1992-02-27
1993-11-30
Myracle, Jerry W.
Measuring and testing
Simulating operating condition
Marine
73129, 340441, 340523, G01M 1900
Patent
active
052654680
ABSTRACT:
An error detection and display system for an apparatus having first and second operating states comprises a testing device, a display unit (e.g., a warning light), and a switch-on control unit. The testing device runs primary error test cycles for detecting errors of a first kind which occur during the first operating state of the apparatus (e.g., a vehicle at standstill), and secondary error test cycles which occur and can be detected only in the second state of the apparatus (e.g., the vehicle moving above a predetermined minimum speed). The system also includes a non-volatile memory wherein all occurrences of errors of the second kind are stored. The switch-on control unit switches on the testing device and the warning light when the vehicle is first started. If no error of the first kind is detected by the testing device and no error of the second kind is stored in the error memory, the switch-on control unit switches off the warning light while the vehicle is still at a standstill. However, if an error of the second kind is stored in the error memory, the switch-on control unit will keep the warning light on until the vehicle is traveling above the predetermined minimum speed and no new errors of the first or second kind are detected by the testing device.
REFERENCES:
patent: 3729734 (1973-04-01), Kipling
patent: 4817418 (1989-04-01), Asami et al.
patent: 4926683 (1990-05-01), Ishizeki
Holst Hans
Kaess Harald
Petersen Erwin
Rothen Johann
Ruhnau Gerhard
Myracle Jerry W.
WABCO Standard GmbH
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