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    VERFAHREN UND EINE VORRICHTUNG ZUR MESSUNG EINER RELATIVGESCHWINDIGKEIT MITTELS EINES AKUSTISCHEN SENSORS
    3.
    发明公开
    VERFAHREN UND EINE VORRICHTUNG ZUR MESSUNG EINER RELATIVGESCHWINDIGKEIT MITTELS EINES AKUSTISCHEN SENSORS 审中-公开
    方法和设备测量相对速度声传感器来

    公开(公告)号：EP3071989A1

    公开(公告)日：2016-09-28

    申请号：EP14771897.7

    申请日：2014-09-23

    申请人： Robert Bosch GmbH

    发明人： SCHMID, Dirk ,  ROKA, Andras ,  SCHUMANN, Michael ,  SCHNEIDER, Marcus

    IPC分类号： G01S7/527 ,  G01S7/536 ,  G01S15/10 ,  G01S15/34 ,  G01S15/58

    摘要： The invention relates to a method and to a device for measuring a relative velocity (v
    rel ) by means of an acoustic sensor (1). An acoustic signal (2) is generated having a first signal section (4) having a rising frequency and a second signal section (5) having a falling frequency. The acoustic signal (2) is transmitted by the acoustic sensor (1) and an acoustic signal (3) reflected from an object (6) is received by the acoustic sensor (1). A first point (P1) from a first reflected signal section (7) of the reflected acoustic signal (3) and a second point from a second reflected signal section (8) of the reflected acoustic signal (3) is selected according to a selection criterion. A relative velocity (v
    rel ) is determined by a comparison of a value described by the first and the second point (P1, P2) in a frequency response curve of the reflected acoustic signal (3) to a reference value.

    RADARMESSVORRICHTUNG, INSBESONDERE FÜR EIN KRAFTFAHRZEUG, UND VERFAHREN ZUM BETREIBEN EINER RADARMESSVORRICHTUNG
    7.
    发明公开
    RADARMESSVORRICHTUNG, INSBESONDERE FÜR EIN KRAFTFAHRZEUG, UND VERFAHREN ZUM BETREIBEN EINER RADARMESSVORRICHTUNG 审中-公开
    雷达测量装置，尤其是用于机动车，及其操作方法的雷达测量装置

    公开(公告)号：EP1537438A1

    公开(公告)日：2005-06-08

    申请号：EP03794763.7

    申请日：2003-06-17

    申请人： ROBERT BOSCH GMBH

    发明人： HOETZEL, Juergen ,  SCHMID, Dirk

    IPC分类号： G01S13/24 ,  G01S13/36 ,  G01S13/93

    CPC分类号： G01S13/931 ,  G01S7/288 ,  G01S13/18 ,  G01S13/24 ,  G01S13/348 ,  G01S13/36 ,  G01S13/40

    摘要： 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).

    SENSORANORDNUNG UND VERFAHREN ZUR UMFELDERFASSUNG EINES FAHRZEUGS
    9.
    发明公开
    SENSORANORDNUNG UND VERFAHREN ZUR UMFELDERFASSUNG EINES FAHRZEUGS 审中-公开
    传感器装置和方法用于检测的车内环境

    公开(公告)号：EP2976164A2

    公开(公告)日：2016-01-27

    申请号：EP14703593.5

    申请日：2014-02-11

    申请人： Robert Bosch GmbH

    发明人： BARTYLLA, David ,  TREPTOW, Thomas ,  SCHMID, Dirk ,  SCHUMANN, Michael

    IPC分类号： B06B1/02 ,  G01S15/93 ,  G01S15/04 ,  H01L41/31 ,  H04R19/01

    CPC分类号： B06B1/0292 ,  G01S7/521 ,  G01S2015/932 ,  H04R19/01 ,  H04R2499/13

    摘要： The invention relates to a sensor assembly (1) which comprises a first acoustic transducer assembly (10) having at least one surface formed as a diaphragm (12), the diaphragm (12) being suitable to emit sound waves. An acoustic converter assembly (10) of this type is also designated a flexible resonator and can generate sound waves having a comparatively high acoustic pressure. The sensor assembly (1) according to the invention has a second acoustic transducer assembly (20), comprising a plurality of sensor elements (22a - 22i) which are arranged in an array. Provision is made for the second acoustic transducer assembly (20) to be arranged on a surface of the first acoustic transducer assembly (10) that is formed as a diaphragm (12). According to the invention, the second acoustic transducer assembly (20) comprises sensor elements (22a - 22i) which are formed as electret converter elements. A sensor assembly (1) of this type can be formed in particular as an ultrasound sensor assembly for detecting the surroundings of a vehicle.