Patent · US Expired

Method and device for determining separation and relative speed of a distant object

US6864832B2 · kind B2 · utility

17Cited by

9References

22Claims

0Family size

Assignee

S.M.S. SMART MICROWAVE SENSORS GMBH · DE

Inventors

Ralph Mende · Braunschweig, DE
Hermann Rohling · Wolfenbüttel, DE
Marc-Michael Meinecke · Hillandale Drive East, DE

Key dates

Filing date	Oct 10, 2001
Grant date	Mar 8, 2005
Priority date	—
Expiry date	Oct 10, 2021

Classification

Technology area (CPC G)Physics
CPC primaryG01S13/931
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The distance and relative speed of an object remote from an observation point determined using a signal form which includes two signals having a predetermined spacing relative to each other. The two signals are transmitted for a certain time interval during which the frequency of the signals is modulated in a stepwise fashion. Additionally, the signal sections of the two signals are transmitted alternately for each step so that there is a predetermined frequency spacing between the signal sections being emitted consecutively.

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