Ultrasonic transmitting and receiving apparatus

Details Ultrasonic transmitting and receiving apparatus Ultrasonic transmitting and receiving apparatus

2008-07-01

2008-07-01

Winakur, Eric F. (Department: 3768)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

Reexamination Certificate

active

07393324

ABSTRACT:
An ultrasonic transmitting and receiving apparatus in which scanning time is shortened by simultaneously transmitting plural ultrasonic beams in plural directions and separation among the plural ultrasonic beams is improved. The ultrasonic transmitting and receiving apparatus includes: an ultrasonic probe including plural ultrasonic transducers; a drive signal generating unit for generating plural drive signals for simultaneously transmitting in plural directions plural kinds of ultrasonic beams corresponding to plural kinds of spread spectrum signals obtained by adding at a predetermined rate frequency components which have been discretely selected from among plural frequency components having different center frequencies; and a reception side signal processing unit for performing plural kinds of phase matching so as to form plural reception focal points corresponding to a number of transmitted ultrasonic beams based on plural reception signals.

REFERENCES:
patent: 5835199 (1998-11-01), Phillips et al.
patent: 7066886 (2006-06-01), Song et al.
patent: 2002/0128555 (2002-09-01), Maxwell et al.
patent: 7-104063 (1995-04-01), None
patent: WO 97/36188 (1997-10-01), None

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