DISPOSITIF INSTALLE DANS UN VEHICULE AUTOMOBILE POUR L'AFFICHAGE DE LA TEMPERATURE EXTERIEURE

A device in a motor vehicle for indicating the outside temperature has a speed sensor in addition to an outside-temperature sensor. The device has a memory for storing a detected temperature when a speed signal drops below a threshold value. The current temperature is then displayed if it is less th...

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Bibliographic Details
Main Author HEINZ-GEORG BURGHOFF, WERNER DAUB ET GERHARD DRUCKER
Format Patent
LanguageFrench
Published 26.04.1991
Edition4
Subjects
MEASURING
MEASURING QUANTITY OF HEAT
MEASURING TEMPERATURE
PHYSICS
TESTING
THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Summary:A device in a motor vehicle for indicating the outside temperature has a speed sensor in addition to an outside-temperature sensor. The device has a memory for storing a detected temperature when a speed signal drops below a threshold value. The current temperature is then displayed if it is less than the stored detected temperature plus a pre-determined amount; otherwise, the stored detected temperature is displayed. When the vehicle speed rises above a second threshold value, a delay time determiner determines the delay time dependent on the vehicle speed, and a time delay is activated. The time delay causes the indicator to display the current temperature upon expiration of a period of time equal to the delay time following the activation of the time delay.
Bibliography:Application Number: FR19860015699