DE68923170D1 - Phasierungsschaltung eines ultraschallechos. - Google Patents
Phasierungsschaltung eines ultraschallechos.Info
- Publication number
- DE68923170D1 DE68923170D1 DE68923170T DE68923170T DE68923170D1 DE 68923170 D1 DE68923170 D1 DE 68923170D1 DE 68923170 T DE68923170 T DE 68923170T DE 68923170 T DE68923170 T DE 68923170T DE 68923170 D1 DE68923170 D1 DE 68923170D1
- Authority
- DE
- Germany
- Prior art keywords
- ultrasonic echo
- phasing circuit
- phasing
- circuit
- echo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
- G10K11/341—Circuits therefor
- G10K11/346—Circuits therefor using phase variation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63018773A JPH01195844A (ja) | 1988-01-29 | 1988-01-29 | 超音波受波整相回路 |
PCT/JP1989/000095 WO1989006933A1 (en) | 1988-01-29 | 1989-01-30 | Ultrasonic echo phasing circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68923170D1 true DE68923170D1 (de) | 1995-07-27 |
DE68923170T2 DE68923170T2 (de) | 1995-11-02 |
Family
ID=11980952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68923170T Expired - Fee Related DE68923170T2 (de) | 1988-01-29 | 1989-01-30 | Phasierungsschaltung eines ultraschallechos. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5031625A (de) |
EP (1) | EP0397869B1 (de) |
JP (1) | JPH01195844A (de) |
KR (1) | KR920008815B1 (de) |
DE (1) | DE68923170T2 (de) |
WO (1) | WO1989006933A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03155849A (ja) * | 1989-11-10 | 1991-07-03 | Fuji Electric Co Ltd | 超音波診断装置 |
US6111816A (en) * | 1997-02-03 | 2000-08-29 | Teratech Corporation | Multi-dimensional beamforming device |
US6721235B2 (en) | 1997-02-03 | 2004-04-13 | Teratech Corporation | Steerable beamforming system |
US6292433B1 (en) | 1997-02-03 | 2001-09-18 | Teratech Corporation | Multi-dimensional beamforming device |
US6685645B1 (en) * | 2001-10-20 | 2004-02-03 | Zonare Medical Systems, Inc. | Broad-beam imaging |
US6936008B2 (en) * | 1999-08-20 | 2005-08-30 | Zonare Medical Systems, Inc. | Ultrasound system with cableless coupling assembly |
US6842401B2 (en) | 2000-04-06 | 2005-01-11 | Teratech Corporation | Sonar beamforming system |
US6524254B2 (en) * | 2001-06-20 | 2003-02-25 | Bae Systems Information And Electronic Systems Integration, Inc. | Orthogonally reconfigurable integrated matrix acoustical array |
KR100530672B1 (ko) * | 2003-08-19 | 2005-11-23 | 주식회사 인디시스템 | 집속변수 조절수단을 갖는 위상배열 초음파 검사 장치 |
JP4599408B2 (ja) * | 2005-09-30 | 2010-12-15 | 株式会社日立メディコ | 超音波診断装置 |
JP5373308B2 (ja) * | 2008-03-31 | 2013-12-18 | 富士フイルム株式会社 | 超音波撮像装置及び超音波撮像方法 |
JP5653057B2 (ja) * | 2009-05-27 | 2015-01-14 | キヤノン株式会社 | 測定装置 |
JP5575554B2 (ja) * | 2010-06-23 | 2014-08-20 | 株式会社東芝 | 超音波診断装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52131680A (en) * | 1976-04-28 | 1977-11-04 | Tokyo Shibaura Electric Co | Ultrasonic diagnostic device |
DE2643918C3 (de) * | 1976-09-29 | 1986-10-23 | Siemens AG, 1000 Berlin und 8000 München | Gerät zur Ultraschallabtastung |
US4180790A (en) * | 1977-12-27 | 1979-12-25 | General Electric Company | Dynamic array aperture and focus control for ultrasonic imaging systems |
US4180791A (en) * | 1978-03-09 | 1979-12-25 | General Electric Company | Simplified sector scan ultrasonic imaging system |
JPS55149889A (en) * | 1979-05-11 | 1980-11-21 | Toshiba Corp | Ultrasonic wave receiver |
JPS57203434A (en) * | 1981-06-08 | 1982-12-13 | Tokyo Shibaura Electric Co | Ultrasonic diagnostic apparatus |
JPS5889007A (ja) * | 1981-11-24 | 1983-05-27 | 株式会社東芝 | 配電装置 |
US4649392A (en) * | 1983-01-24 | 1987-03-10 | Sanders Associates, Inc. | Two dimensional transform utilizing ultrasonic dispersive delay line |
JPS59183742A (ja) * | 1983-04-04 | 1984-10-18 | 株式会社日立製作所 | 超音波受信整相器 |
US4542657A (en) * | 1983-08-26 | 1985-09-24 | General Electric Company | Time domain technique to determine mean frequency |
JPS60108042A (ja) * | 1983-11-18 | 1985-06-13 | 横河メディカルシステム株式会社 | 超音波診断装置の受信信号ゲ−ト回路 |
JPS6284748A (ja) * | 1985-10-09 | 1987-04-18 | 株式会社日立製作所 | 超音波受波整相器 |
DE3732131A1 (de) * | 1987-09-24 | 1989-04-06 | Wolf Gmbh Richard | Fokussierender ultraschallwandler |
DE3736124A1 (de) * | 1987-10-26 | 1989-05-03 | Licentia Gmbh | Verfahren und anordnung zur bestimmung der momentanfrequenz eines signals |
US4949312A (en) * | 1988-04-20 | 1990-08-14 | Olympus Optical Co., Ltd. | Ultrasonic diagnostic apparatus and pulse compression apparatus for use therein |
-
1988
- 1988-01-29 JP JP63018773A patent/JPH01195844A/ja active Pending
-
1989
- 1989-01-30 KR KR1019890701702A patent/KR920008815B1/ko not_active IP Right Cessation
- 1989-01-30 US US07/555,487 patent/US5031625A/en not_active Expired - Fee Related
- 1989-01-30 EP EP89901752A patent/EP0397869B1/de not_active Expired - Lifetime
- 1989-01-30 WO PCT/JP1989/000095 patent/WO1989006933A1/ja active IP Right Grant
- 1989-01-30 DE DE68923170T patent/DE68923170T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR910700024A (ko) | 1991-03-13 |
EP0397869A1 (de) | 1990-11-22 |
US5031625A (en) | 1991-07-16 |
KR920008815B1 (ko) | 1992-10-09 |
DE68923170T2 (de) | 1995-11-02 |
EP0397869A4 (en) | 1991-09-11 |
EP0397869B1 (de) | 1995-06-21 |
WO1989006933A1 (en) | 1989-08-10 |
JPH01195844A (ja) | 1989-08-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |