Title:
ULTRASONIC DIAGNOSTIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/109234
Kind Code:
A1
Abstract:
An evaluation value calculation unit (50) evaluates a degree of phasing on the basis of a plurality of received-wave signals obtained from a delay processing unit (30) to thereby calculate a two-dimensional evaluation value related to a two-dimensional array of a plurality of oscillating elements (12). The evaluation value calculation unit (50) obtains a two-dimensional evaluation value of an xy plane from a one-dimensional evaluation value in the x direction and a one-dimensional evaluation value in the y direction. A multiplication unit (60) multiplies the two-dimensional evaluation value and the received beam outputted from an addition processing unit (40) to adjust the gain of the received beam. Unnecessary signal components are thereby reduced.
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Inventors:
HISATSU MASANORI (JP)
Application Number:
PCT/JP2013/084685
Publication Date:
July 17, 2014
Filing Date:
December 25, 2013
Export Citation:
Assignee:
HITACHI ALOKA MEDICAL LTD (JP)
International Classes:
A61B8/00
Foreign References:
| JP2012231819A | 2012-11-29 | |||
| JP2012152311A | 2012-08-16 | |||
| JPH0765146A | 1995-03-10 | |||
| US5910115A | 1999-06-08 | |||
| JP2012081114A | 2012-04-26 |
Other References:
J. CAMECHO ET AL.: "Phase Coherence Imaging", IEEE TRANS. UFFC, vol. 56, no. 5, 2009
PAI-CHI LI ET AL.: "Adaptive Imaging Using the Generalized Coherence Factor", IEEE TRANS. UFFC, vol. 50, no. 2, 2003, XP011368416, DOI: doi:10.1109/TUFFC.2003.1182117
PAI-CHI LI ET AL.: "Adaptive Imaging Using the Generalized Coherence Factor", IEEE TRANS. UFFC, vol. 50, no. 2, 2003, XP011368416, DOI: doi:10.1109/TUFFC.2003.1182117
Attorney, Agent or Firm:
YKI Patent Attorneys (JP)
Patent business corporation YKI international patent firm (JP)
Patent business corporation YKI international patent firm (JP)
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