Title:
【発明の名称】超音波診断装置
Document Type and Number:
Japanese Patent JP2777197
Kind Code:
B2
Abstract:
In an ultrasound diagnosis apparatus, a focusing point of received ultrasound beams is moved along a transmission direction of the ultrasound beams so as to receive echo signals at all the focusing points on a scan line by one transmission operation. Reception opening portions of an ultrasound probe are changed to receive and add the echo signals in a plurality of directions at the respective focusing points, thereby reducing a speckle noise.
Inventors:
HIRAMA MAKOTO
Application Number:
JP15018189A
Publication Date:
July 16, 1998
Filing Date:
June 13, 1989
Export Citation:
Assignee:
TOSHIBA KK
International Classes:
G01N29/44; A61B8/14; G01S15/89; G10K11/34; G01S7/52; (IPC1-7): A61B8/14; G01N29/22
Domestic Patent References:
| JP547786A |
Attorney, Agent or Firm:
Takehiko Suzue (3 outside)