Title:
【発明の名称】超音波診断装置
Document Type and Number:
Japanese Patent JP3000233
Kind Code:
B2
Abstract:
An ultrasonic diagnostic apparatus operates such that the ultrasonic beam transmission and reception is made in the same scanning direction twice at intervals shorter than the frame rate. A subtraction operation is performed between line data obtained by the successive transmissions and receptions. A subtraction image is formed by subtraction image data obtained by scanning in a plurality of scanning directions.
Inventors:
Toshihiko Kawano
Application Number:
JP31152390A
Publication Date:
January 17, 2000
Filing Date:
November 19, 1990
Export Citation:
Assignee:
Hitachi Medico Co., Ltd.
International Classes:
G01N29/06; A61B8/14; G01S15/58; G01S15/89; G01S7/52; (IPC1-7): A61B8/00
Domestic Patent References:
| JP62114539A | ||||
| JP55129046A |
Attorney, Agent or Firm:
Haruyuki Nishiyama