JPS5870208U - Ultrasonic imaging device - Google Patents
Ultrasonic imaging deviceInfo
- Publication number
- JPS5870208U JPS5870208U JP16377981U JP16377981U JPS5870208U JP S5870208 U JPS5870208 U JP S5870208U JP 16377981 U JP16377981 U JP 16377981U JP 16377981 U JP16377981 U JP 16377981U JP S5870208 U JPS5870208 U JP S5870208U
- Authority
- JP
- Japan
- Prior art keywords
- elements
- ultrasonic imaging
- group
- imaging device
- delay time
- 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.)
- Granted
Links
Landscapes
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は、各エレメントの信号に与えるべき遅延時間の
図、第2図は、各エレメント独立に与えた遅延時間の図
、第3図は、本考案の実施例において各エレメントに与
える遅延時間の図、第4図は、本考案の一実施例におけ
る受信ビーム形成部の構成図、第、5図は本考氷におけ
るエレメント構成図、第6図は、エレメント群の感度・
指向性における主ロープの図、第7図は、1つのエレメ
ント群に属するエレメント群をダイナミックに変化させ
今構成の図、第8図は、本考案を説明するた−めの説明
図、第9図は、その効果を示した図である。
7C
令
“l
゛ L−2図
EI EMo
YJ 6
T=1 ′ −’Xi
、、。
’DNFig. 1 is a diagram of the delay time to be given to the signal of each element, Fig. 2 is a diagram of the delay time given to each element independently, and Fig. 3 is a diagram of the delay time given to each element in the embodiment of the present invention. , and FIG. 4 are block diagrams of the receiving beam forming section in one embodiment of the present invention, FIGS. 5 and 5 are element block diagrams in this invention, and FIG.
Fig. 7 is a diagram of the main rope in directivity; Fig. 7 is a diagram of the current configuration by dynamically changing the element groups belonging to one element group; Fig. 8 is an explanatory diagram for explaining the present invention; Fig. 9 The figure shows the effect. 7C Order “l ゛ L-2 Figure EI EMo
YJ 6
T=1'-'Xi
,,. 'DN
Claims (1)
イ形変換器を用いて超音波信号を送信または受信する超
音波撮像装置であって、送信口径または受信口径中の互
いに隣接する1個以上のエレメントの信号に共通の遅延
時間を与えることにより送信または受信ビームを形成す
る装置において、共通遅延時間を与える各エレメント群
に属する工、レメント個数m(≧1)ヲ、ビームの焦点
から上記アレイに下した垂線の足に位置するエレメント
群から口径周辺のエレメント群にかけて単調非増加的に
変化させることを特徴とする超音波撮像装置。 2 実用新案登録請求の範囲第1項記載の装置において
、使用口径中の全エレメントを互いに隣接するn個のエ
レメントからなるセグメントに−分け、前記共通遅延時
間を与えるエレメント群として、各セグメントからm個
(1≦m≦n)の互いに隣接するエレメントを選んで、
それぞれ1個のエレメント群とすることを特徴とする超
音波撮像装置。 3 実用新案登録請求の範囲第2項記載の装置において
、前記の中央エレメント群を中心とするk(≧1)個の
エレメント群については、前記mを □m=nと設
定し、その他のエレメント群については、m=1と設定
することを特徴とする超音波撮像装置。[Claims for Utility Model Registration] 1. An ultrasonic imaging device that transmits or receives ultrasonic signals using an array type transducer consisting of a large number of elements arranged at equal intervals, which In a device that forms a transmitting or receiving beam by giving a common delay time to the signals of one or more elements adjacent to each other, the number m (≧1) of elements belonging to each element group giving a common delay time, An ultrasonic imaging device characterized by monotonically and non-increasingly changing elements from a group of elements located at the foot of a perpendicular line drawn from a beam focus to the array to a group of elements around the aperture. 2 Utility Model Registration In the device according to claim 1, all the elements in the used aperture are divided into segments consisting of n elements adjacent to each other, and m from each segment are divided into segments that provide the common delay time. Select (1≦m≦n) mutually adjacent elements,
An ultrasonic imaging device characterized in that each element group is one element group. 3 Utility Model Registration In the device according to claim 2, for k (≧1) element groups centered on the central element group, the m is set as □m=n, and the other elements An ultrasonic imaging apparatus characterized in that for a group, m=1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16377981U JPS5870208U (en) | 1981-11-04 | 1981-11-04 | Ultrasonic imaging device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16377981U JPS5870208U (en) | 1981-11-04 | 1981-11-04 | Ultrasonic imaging device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5870208U true JPS5870208U (en) | 1983-05-12 |
JPH03974Y2 JPH03974Y2 (en) | 1991-01-14 |
Family
ID=29956062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16377981U Granted JPS5870208U (en) | 1981-11-04 | 1981-11-04 | Ultrasonic imaging device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5870208U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60158844A (en) * | 1984-01-27 | 1985-08-20 | 横河メディカルシステム株式会社 | Ultrasonic diagnostic apparatus |
WO2003068072A1 (en) * | 2002-02-18 | 2003-08-21 | Matsushita Electric Industrial Co., Ltd. | Ultrasonograph |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56104269A (en) * | 1979-12-31 | 1981-08-19 | Anvar | Ultrasonic imaging device |
-
1981
- 1981-11-04 JP JP16377981U patent/JPS5870208U/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56104269A (en) * | 1979-12-31 | 1981-08-19 | Anvar | Ultrasonic imaging device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60158844A (en) * | 1984-01-27 | 1985-08-20 | 横河メディカルシステム株式会社 | Ultrasonic diagnostic apparatus |
WO2003068072A1 (en) * | 2002-02-18 | 2003-08-21 | Matsushita Electric Industrial Co., Ltd. | Ultrasonograph |
Also Published As
Publication number | Publication date |
---|---|
JPH03974Y2 (en) | 1991-01-14 |
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