Patent · US Expired

Method for measuring the distance and velocity of objects

US5483242A · kind A · utility

21Cited by

13References

5Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Nicolas Grein · Karlsruhe, DE
Hermann Winner · Bietigheim, DE

Key dates

Filing date	Dec 14, 1993
Grant date	Jan 9, 1996
Priority date	—
Expiry date	Dec 14, 2013

Classification

Technology area (CPC G)Physics
CPC primaryG01S13/584
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

In a method for measuring the distance and the velocity of objects employing electromagnetic waves, the frequency of an emitted signal is modulated. The signals received during one rise and one drop in the frequency of the emitted signal are mixed with the emitted signal. The intermediate-frequency signals resulting from the mixing are then spectrally analyzed. The distance and the velocity of at least one object are calculated from the frequency of the spectral lines of the intermediate-frequency signals during at least one rise and at least one drop in the frequency of the emitted signal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.