EP 1537438 A1 20050608 - RADAR MEASUREMENT DEVICE, ESPECIALLY FOR A MOTOR VEHICLE, AND METHOD FOR OPERATING A RADAR MEASUREMENT DEVICE
Title (en)
RADAR MEASUREMENT DEVICE, ESPECIALLY FOR A MOTOR VEHICLE, AND METHOD FOR OPERATING A RADAR MEASUREMENT DEVICE
Title (de)
RADARMESSVORRICHTUNG, INSBESONDERE FÜR EIN KRAFTFAHRZEUG, UND VERFAHREN ZUM BETREIBEN EINER RADARMESSVORRICHTUNG
Title (fr)
DISPOSITIF DE MESURE RADAR, EN PARTICULIER POUR VEHICULE AUTOMOBILE, ET PROCEDE POUR FAIRE FONCTIONNER UN TEL DISPOSITIF
Publication
Application
Priority
- DE 0302006 W 20030617
- DE 10241463 A 20020906
Abstract (en)
[origin: WO2004025322A1] The invention relates to a radar measurement device which has a simple structure and which enables reliable distance measurement even when a mixed signal is reset to zero. The invention also relates to a method for operating a measurement device. The radar measurement device comprises a high-frequency oscillator (11) emitting two different carrier frequency signals (F1,F2), a first switching device (14) for switching the carrier frequency signals (F1, F2) according to first pulse signals (P1) and for emitting radar pulse signals (T1,2), a transmission aerial (16) and a reception aerial (18), a second switching device (24) for switching carrier frequency signals according to a delayed second pulse signal (P2) and for emitting delayed radar pulse signals (S1,2), a mixing device (21) for mixing received radar signals (R1,R2) with the delayed radar pulse signals (S1,S2) and for emitting mixed signals (M1,M2). The phase difference between the received radar signals (R1,R2) and delayed radar pulse signals (S1,S2) varies according to a predefined value when the two carrier frequency signals (F1,2) are emitted. An amplitude signal is determined from the first and second mixed signals (M1, 2).
IPC 1-7
IPC 8 full level
G01S 13/931 (2020.01); G01S 13/24 (2006.01); G01S 13/36 (2006.01); G01S 7/288 (2006.01); G01S 13/18 (2006.01); G01S 13/34 (2006.01); G01S 13/40 (2006.01)
CPC (source: EP US)
G01S 13/24 (2013.01 - EP US); G01S 13/36 (2013.01 - EP US); G01S 13/931 (2013.01 - EP US); G01S 7/288 (2013.01 - EP US); G01S 13/18 (2013.01 - EP US); G01S 13/348 (2013.01 - EP US); G01S 13/40 (2013.01 - EP US)
Citation (search report)
See references of WO 2004025322A1
Designated contracting state (EPC)
DE ES FR GB IT SE
DOCDB simple family (publication)
WO 2004025322 A1 20040325; DE 10241463 A1 20040318; EP 1537438 A1 20050608; JP 2005538365 A 20051215; US 2005225476 A1 20051013; US 7095362 B2 20060822
DOCDB simple family (application)
DE 0302006 W 20030617; DE 10241463 A 20020906; EP 03794763 A 20030617; JP 2004534953 A 20030617; US 51779004 A 20041213