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    • 3. 发明申请
    • ULTRASONIC SENSOR DEVICE
    • 超声波传感器装置
    • US20140157902A1
    • 2014-06-12
    • US14117050
    • 2012-06-12
    • Makiko SugiuraHirofumi Higuchi
    • Makiko SugiuraHirofumi Higuchi
    • G01S15/50
    • G01S15/50B06B1/0666G01S7/521
    • An ultrasonic sensor device includes a substrate, a piezoelectric vibrator, and a Q-factor adjuster. The piezoelectric vibrator includes a pair of detection electrodes that face each other in a thickness direction of the substrate and a piezoelectric body interposed between the electrodes. The piezoelectric vibrator provides a membrane structure which is formed on a surface of the substrate and has rigidity lower than that of a remaining portion of the substrate. An ultrasonic wave is transmitted by the piezoelectric vibrator, and its reflected wave is received by the same piezoelectric vibrator. The Q-factor adjuster adjusts a Q-factor of the piezoelectric vibrator so that the Q-factor can be larger during a transmission period where the piezoelectric vibrator transmits the ultrasonic wave than during a reception period where the piezoelectric vibrator receives the ultrasonic wave.
    • 超声波传感器装置包括基板,压电振动器和Q因子调节器。 压电振子包括在基板的厚度方向上彼此相对的一对检测电极和插在电极之间的压电体。 压电振动器提供形成在基板的表面上的膜结构,其刚性低于基板的剩余部分的刚度。 超声波由压电振子传递,其反射波被同一压电振子接收。 Q因子调节器调节压电振动器的Q因子,使得压电振动器发送超声波的传播期间的Q因子可以比在压电振动器接收超声波的接收时段期间更大。
    • 4. 发明授权
    • Ultrasonic sensor device
    • 超声波传感器装置
    • US09348027B2
    • 2016-05-24
    • US14117050
    • 2012-06-12
    • Makiko SugiuraHirofumi Higuchi
    • Makiko SugiuraHirofumi Higuchi
    • G01S15/50B06B1/06G01S7/521
    • G01S15/50B06B1/0666G01S7/521
    • An ultrasonic sensor device includes a substrate, a piezoelectric vibrator, and a Q-factor adjuster. The piezoelectric vibrator includes a pair of detection electrodes that face each other in a thickness direction of the substrate and a piezoelectric body interposed between the electrodes. The piezoelectric vibrator provides a membrane structure which is formed on a surface of the substrate and has rigidity lower than that of a remaining portion of the substrate. An ultrasonic wave is transmitted by the piezoelectric vibrator, and its reflected wave is received by the same piezoelectric vibrator. The Q-factor adjuster adjusts a Q-factor of the piezoelectric vibrator so that the Q-factor can be larger during a transmission period where the piezoelectric vibrator transmits the ultrasonic wave than during a reception period where the piezoelectric vibrator receives the ultrasonic wave.
    • 超声波传感器装置包括基板,压电振动器和Q因子调节器。 压电振子包括在基板的厚度方向上彼此相对的一对检测电极和插在电极之间的压电体。 压电振动器提供形成在基板的表面上的膜结构,其刚性低于基板的剩余部分的刚度。 超声波由压电振子传递,其反射波被同一压电振子接收。 Q因子调节器调节压电振动器的Q因子,使得压电振动器发送超声波的传播期间的Q因子可以比在压电振动器接收超声波的接收时段期间更大。
    • 7. 发明申请
    • ULTRASONIC SENSOR
    • 超声波传感器
    • US20110261651A1
    • 2011-10-27
    • US13158006
    • 2011-06-10
    • Yasuyuki OkudaTakaaki KawaiMakiko SugiuraTakayuki Ishikawa
    • Yasuyuki OkudaTakaaki KawaiMakiko SugiuraTakayuki Ishikawa
    • G01S15/04
    • G01S7/521B06B1/0629G01S3/808G01S7/52004G01S15/42G01S15/931
    • An ultrasonic sensor includes a transmitting device, receiving devices arranged in an array, and a circuit device. One receiving device is configured as a reference receiving device. The circuit device includes a reference signal generator and first and second synchronous detectors. The reference signal generator generates a reference signal by using a received signal of the reference receiving device. The first synchronous detector performs synchronous detection of a received signal of one of the receiving devices based on the reference signal to detect a distance to an object. The second synchronous detector performs synchronous detection of received signals of the receiving devices except the reference receiving device based on the reference signal to detect a direction of the object.
    • 超声波传感器包括发送装置,排列成阵列的接收装置和电路装置。 一个接收设备被配置为参考接收设备。 电路装置包括参考信号发生器和第一和第二同步检测器。 参考信号发生器通过使用参考接收装置的接收信号产生参考信号。 第一同步检测器基于参考信号执行接收装置之一的接收信号的同步检测,以检测到对象的距离。 第二同步检测器基于参考信号执行除基准接收装置之外的接收装置的接收信号的同步检测,以检测对象的方向。
    • 9. 发明授权
    • Ultraviolet light detection device
    • 紫外光检测装置
    • US07626492B2
    • 2009-12-01
    • US11826061
    • 2007-07-12
    • Makiko Sugiura
    • Makiko Sugiura
    • B60Q1/00
    • G01J1/429G01J5/34
    • A detector made of lanthanum-doped lead zirconate titanate detects intensity of ultraviolet light radiated inside of a vehicle. The detector sends ultrasonic wave to an incidence direction of ultraviolet light, and detects ultrasonic wave reflected by an object. An electrical unit determines the object to be an occupant of the vehicle or not based on the reflected ultrasonic wave. The electrical unit outputs a signal representing that a predetermined or more amount of ultraviolet light is radiated to the occupant, when the detector detects the predetermined or more amount of ultraviolet light and when the electrical unit determines the object to be the occupant.
    • 由镧掺杂的锆钛酸铅钛酸盐制成的检测器检测车辆内部照射的紫外线的强度。 检测器向紫外光的入射方向发送超声波,并检测物体反射的超声波。 电气单元基于反射的超声波确定作为车辆的乘客的物体。 当检测器检测到预定或更多量的紫外线并且当电单元确定作为乘客的物体时,电单元输出表示预定或更多量的紫外线照射到乘员的信号。
    • 10. 发明授权
    • Ultrasonic sensor
    • 超声波传感器
    • US07612485B2
    • 2009-11-03
    • US11898521
    • 2007-09-13
    • Makiko SugiuraKazuaki WatanabeYasuyuki Okuda
    • Makiko SugiuraKazuaki WatanabeYasuyuki Okuda
    • H01L41/08H01L41/053
    • G10K11/004B06B1/0648G01S7/521
    • An ultrasonic sensor for detecting an ultrasonic wave, which is output from an ultrasonic generator and reflected by an object to be detected, the ultrasonic sensor includes: an acoustic matching layer having a first surface and a second surface, the first surface which receives the ultrasonic wave, and the second surface which is opposite to the first surface; and an ultrasonic detection element including a vibration member. The vibration member is coupled with the second surface of the acoustic matching layer. The acoustic matching layer is repeatedly deformable in accordance with a standing wave, which is generated in the acoustic matching layer by the received ultrasonic wave. The vibration member resonates with the repeat deformation of the acoustic matching layer.
    • 一种超声波传感器,用于检测从超声波发生器输出并由被检测物体反射的超声波,所述超声波传感器包括:声匹配层,具有第一表面和第二表面,所述第一表面接收所述超声波 并且与第一表面相对的第二表面; 以及包括振动部件的超声波检测元件。 振动构件与声匹配层的第二表面耦合。 声匹配层可以根据由接收的超声波在声匹配层中产生的驻波而重复变形。 振动构件与声匹配层的重复变形共振。