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1. 发明申请

US20170066016A1 ULTRASONIC TRANSMITTER 审中-公开
标题翻译：超声波发射机
公开(公告)号：US20170066016A1
公开(公告)日：2017-03-09
申请号：US14845767
申请日：2015-09-04
申请人： MOTOROLA SOLUTIONS, INC.
发明人： David W. Wallis
IPC分类号： B06B1/06 , G10K11/26 , H01L41/04
CPC分类号： B06B1/0644 , G10K9/18 , G10K11/26 , G10K11/28 , H01L41/042
摘要： An ultrasonic transmitter. The ultrasonic transmitter includes a first enclosure, a second enclosure, a piezoelectric transducer, a first piston, and a second piston. The first enclosure has an opening for directing an output of the ultrasonic transmitter in a first direction and a wall opposite the opening. The second enclosure has a first opening aligned in the first direction and a second opening opposite the first opening. The second enclosure is positioned in the first enclosure with the second opening directed toward the wall. The piezoelectric transducer is positioned in the second enclosure and movable relative to the first enclosure. When an ultrasonic electric signal is applied to the piezoelectric transducer, the piezoelectric transducer expands and contracts pulsing the first and second pistons to produce ultrasonic sound waves from the first and second openings which combine and our output by the ultrasonic transmitter.
摘要翻译：超声波发射器。超声波发射器包括第一外壳，第二外壳，压电换能器，第一活塞和第二活塞。第一外壳具有用于在第一方向和与开口相对的壁上引导超声波发射器的输出的开口。第二外壳具有沿第一方向对准的第一开口和与第一开口相对的第二开口。第二外壳定位在第一外壳中，第二开口指向壁。压电传感器定位在第二壳体中并相对于第一外壳可移动。当超声波电信号被施加到压电换能器时，压电换能器使第一和第二活塞的脉冲发生膨胀和收缩，以产生来自第一和第二开口的超声波，这些声波与超声波发射器组合并输出。

2. 发明授权

US10065212B2 Ultrasonic transmitter 有权
公开(公告)号：US10065212B2
公开(公告)日：2018-09-04
申请号：US14845767
申请日：2015-09-04
申请人： MOTOROLA SOLUTIONS, INC.
发明人： David W. Wallis
IPC分类号： B06B1/06 , G10K11/26 , H01L41/04 , G10K9/18 , G10K11/28
摘要： An ultrasonic transmitter. The ultrasonic transmitter includes a first enclosure, a second enclosure, a piezoelectric transducer, a first piston, and a second piston. The first enclosure has an opening for directing an output of the ultrasonic transmitter in a first direction and a wall opposite the opening. The second enclosure has a first opening aligned in the first direction and a second opening opposite the first opening. The second enclosure is positioned in the first enclosure with the second opening directed toward the wall. The piezoelectric transducer is positioned in the second enclosure and movable relative to the first enclosure. When an ultrasonic electric signal is applied to the piezoelectric transducer, the piezoelectric transducer expands and contracts pulsing the first and second pistons to produce ultrasonic sound waves from the first and second openings which combine and our output by the ultrasonic transmitter.

3. 发明授权

US09837849B2 Ultrasonic charging apparatus, system and method 有权
公开(公告)号：US09837849B2
公开(公告)日：2017-12-05
申请号：US14839102
申请日：2015-08-28
申请人： MOTOROLA SOLUTIONS, INC
发明人： David W. Wallis , John E. Herrmann , Mark C. Taraboulos
IPC分类号： H02J7/00 , H02J7/02 , H02J50/15
CPC分类号： H02J7/025 , H02J7/0042 , H02J7/0052 , H02J50/15 , H02J2007/0059
摘要： A charging apparatus (102), system (100) and method (500) are provided for charging and/or powering a wearable electronic device, such as electronic eyeglasses. The charging apparatus comprises an acoustic horn, a piezoelectric transducer, and charger circuitry for converting ultrasonic waves received at the horn into a charging signal. The charging signal is used for charging and/or powering the wearable electronic device while the device is being worn.

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