Method for ultrasonic wave transmission and apparatus for...

Communications – electrical: acoustic wave systems and devices – Transmitter systems – With beam forming – shaping – steering – or scanning

Reexamination Certificate

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Reexamination Certificate

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07821872

ABSTRACT:
A method for transmitting an ultrasonic wave is disclosed. The method includes: selecting a first combination of transmission elements from among multiple transmission elements, wherein the first combination of transmission elements includes at least two transmission elements adjacent to each other; and vibrating the transmission surfaces of the first combination of transmission elements in a substantially same phase to transmit the ultrasonic wave with a first directivity. The first directivity is different from a second directivity of the ultrasonic wave transmitted from single transmission element.

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Office Action dated Apr. 21, 2009 from Japan Patent Office in the corresponding JP Application No. 2007-225674 (and English Translation).

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