Title:
ULTRASONIC DIAGNOSTIC APPARATUS AND ELECTRONIC CIRCUIT
Document Type and Number:
Japanese Patent JP2020010874
Kind Code:
A
Abstract:
To solve the problem that noise is increased when adding a plurality of reception signals from a plurality of memory cell columns that operate in parallel.SOLUTION: An electronic circuit in an ultrasonic probe includes a plurality of sub beamformers and a control part. Each sub beamformer includes M delay circuits and an addition circuit. Each delay circuit includes a memory cell column consisting of N memory cells. Conditions of cyclical operations of the M memory cell columns (e.g., a timing of a start trigger) are made irregular so that the number of stages of the use start is varied in the M memory cells.SELECTED DRAWING: Figure 6
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Inventors:
KANEKO TAKUYA
KAJIYAMA SHINYA
KAJIYAMA SHINYA
Application Number:
JP2018135702A
Publication Date:
January 23, 2020
Filing Date:
July 19, 2018
Export Citation:
Assignee:
HITACHI LTD
International Classes:
A61B8/14
Domestic Patent References:
| JP2010027137A | 2010-02-04 | |||
| JP2019013454A | 2019-01-31 |
Foreign References:
| WO2015128974A1 | 2015-09-03 | |||
| US20050131299A1 | 2005-06-16 |
Attorney, Agent or Firm:
Patent Corporation yki International Patent Office