Ultrasonic imaging apparatus

Details Ultrasonic imaging apparatus Ultrasonic imaging apparatus

2008-03-13

2010-11-30

Pihulic, Dan (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Testing, monitoring, or calibrating

Reexamination Certificate

active

07843764

ABSTRACT:
A plurality of signal transmitters are respectively configured to produce a pulse current by repeatedly switching the connection state of a switching element. A plurality of ultrasonic transducers are respectively configured to transmit an ultrasonic pulse to a subject to be examined upon receiving said pulse current, and to produce a receiving current upon receiving the reflected wave. A signal receiver is configured to receive said receiving current. A test signal generator is configured to produce a test signal and to output said test signal to a connection point of said signal transmitter, said ultrasonic transducer, and said signal receiver by switching said connection state of said switching element to a state through which said test signal is conducted.

REFERENCES:
patent: 2005/0210955 (2005-09-01), McCartan et al.
patent: 2006/0191315 (2006-08-01), McCartan et al.
patent: 2008/0225639 (2008-09-01), Hongou
patent: 64-56038 (1989-03-01), None
patent: 2000-139905 (2000-05-01), None
patent: 2005-319199 (2005-11-01), None

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