Increasing the availability of ultrasound-based driver assistance systems in the event of undervoltage in the vehicle

A driver assistance system of a vehicle includes: at least one ultrasonic sensor for ascertaining the distance of the vehicle from an obstacle, the sensor being supplied with electrical energy by an onboard electrical system of the vehicle; and an undervoltage detector for detecting an undervoltage...

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Bibliographische Detailangaben
Hauptverfasser:	Rapps, Peter, Klotz, Albrecht, Hering, Michael
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MEASURING PERFORMING OPERATIONS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	A driver assistance system of a vehicle includes: at least one ultrasonic sensor for ascertaining the distance of the vehicle from an obstacle, the sensor being supplied with electrical energy by an onboard electrical system of the vehicle; and an undervoltage detector for detecting an undervoltage in the onboard electrical system, in the event of which the power requirement of the ultrasonic sensor is reduced.