US 11,885,876 B2
Underwater ultrasonic device
Fu-Sheng Jiang, Taoyuan (TW); Chun-Chieh Wang, New Taipei (TW); Yi-Hsiang Chan, Taoyuan (TW); Heng-Yi Shiu, Taoyuan (TW); and Hsin-Chih Liu, Taoyuan (TW)
Assigned to Qisda Corporation, Taoyuan (TW)
Filed by QISDA CORPORATION, Taoyuan (TW)
Filed on Sep. 11, 2020, as Appl. No. 17/017,724.
Claims priority of application No. 201910939910.9 (CN), filed on Sep. 30, 2019; and application No. 109117961 (TW), filed on May 29, 2020.
Prior Publication US 2021/0096242 A1, Apr. 1, 2021
Int. Cl. G01S 15/66 (2006.01); G01S 7/521 (2006.01); G01S 15/50 (2006.01)
CPC G01S 15/66 (2013.01) [G01S 7/521 (2013.01); G01S 15/50 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An underwater ultrasonic device comprising:
a curvilinear ultrasonic transducer; and
a plurality of straight linear ultrasonic transducers comprising a first straight linear ultrasonic transducer and a second straight linear ultrasonic transducer, the curvilinear ultrasonic transducer, the first straight linear ultrasonic transducer and the second straight linear ultrasonic transducer being plate-shaped, the second straight linear ultrasonic transducer being stacked with the first straight linear ultrasonic transducer at a first flat side surface of the curvilinear ultrasonic transducer, an projection of an intersection between the first straight linear ultrasonic transducer and the second straight linear ultrasonic transducer onto a plane where the first flat side surface of the curvilinear ultrasonic transducer is located being within an area of the first flat side surface of the curvilinear ultrasonic transducer, a first angle being included between the first straight linear ultrasonic transducer and the second straight linear ultrasonic transducer, one of the curvilinear ultrasonic transducer, the first straight linear ultrasonic transducer and the second straight linear ultrasonic transducer being configured to transmit a plurality of ultrasonic signals, another one of the curvilinear ultrasonic transducer, the first straight linear ultrasonic transducer and the second straight linear ultrasonic transducer being configured to receive a plurality of reflected signals of the ultrasonic signals.