Radar sensor device

US6404381B1 · kind B1 · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Patric Heide · Vaterstetten, DE
• Martin Kunert · Neutraubling, DE

Key dates

• Filing date: Jul 31, 2000
• Grant date: Jun 11, 2002
• Expiry date: Jul 31, 2020

Classification

• Technology area (CPC G): Physics
• CPC primary: G01S13/87
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A radar sensor device for detecting the distance and/or the speed of an object relative to the sensor device is provided with an oscillator, which can be frequency detuned through the use of a modulation function. The radar sensor device has a power switch, which can be driven by a power control function, for varying the transmitter power. The sensor device is to be operated in an alternating fashion, through the use of a variable setting of the modulation and power control functions, in at least two different, mutually overlapping operating modes which are tuned to different measuring ranges of the sensor device.