JPH0327215U - - Google Patents
Info
- Publication number
- JPH0327215U JPH0327215U JP8824489U JP8824489U JPH0327215U JP H0327215 U JPH0327215 U JP H0327215U JP 8824489 U JP8824489 U JP 8824489U JP 8824489 U JP8824489 U JP 8824489U JP H0327215 U JPH0327215 U JP H0327215U
- Authority
- JP
- Japan
- Prior art keywords
- cpu
- transmission
- keyboard
- address
- outputs
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Description
第１図は本考案の一実施例の構成ブロツク図、
第２図は実施例の回路のデータのタイムチヤート
、第３図は距離分解能の説明図、第４図は或る一
定の送信中心周波数の下における距離分解能と目
標間距離とを関係曲線図である。
１……目標Ｔ１の反射波、２……目標Ｔ２の反
射波、１１……キーボード、１２……ＣＰＵ、１
３……送波波形発生回路、１４……クロツク発生
器、１５……ドライバ、１６……振動子。
FIG. 1 is a block diagram of an embodiment of the present invention.
Figure 2 is a time chart of data of the circuit of the example, Figure 3 is an explanatory diagram of distance resolution, and Figure 4 is a relationship curve diagram of distance resolution and distance between targets under a certain transmission center frequency. be. 1... Reflected wave of target T 1 , 2... Reflected wave of target T 2 , 11... Keyboard, 12... CPU, 1
3...Transmission waveform generation circuit, 14...Clock generator, 15...Driver, 16...Resonator.
Claims (1)
周波数データの設定値を入力するキーボード１１
と、 該キーボード１１から出力される送波発振周波
数に応じた２値データのアドレス又は２値信号の
出力するＣＰＵ１２と、 該ＣＰＵ１２のアドレス又は２値信号を読み出
すためのクロツクを発生するクロツク発生器１４
と、 前記ＣＰＵ１２とクロツク発生器１４との出力
により設定された送信中心周波数の信号を発生す
る送波波形発生回路１３とを具備することを特徴
とする超音波診断装置。[Claims for Utility Model Registration] Keyboard 11 for inputting setting values of transmission center frequency data in addition to various parameters of system operation
, a CPU 12 that outputs an address of binary data or a binary signal according to the transmission oscillation frequency output from the keyboard 11, and a clock generator that generates a clock for reading out the address or binary signal of the CPU 12. 14
and a transmission waveform generation circuit 13 that generates a signal with a transmission center frequency set by the outputs of the CPU 12 and the clock generator 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8824489U JPH0327215U (en) | 1989-07-27 | 1989-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8824489U JPH0327215U (en) | 1989-07-27 | 1989-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0327215U true JPH0327215U (en) | 1991-03-19 |
Family
ID=31637868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8824489U Pending JPH0327215U (en) | 1989-07-27 | 1989-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0327215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010042266A (en) * | 2003-08-06 | 2010-02-25 | Hitachi Medical Corp | Ultrasonographic apparatus and ultrasonographic method |
-
1989
- 1989-07-27 JP JP8824489U patent/JPH0327215U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010042266A (en) * | 2003-08-06 | 2010-02-25 | Hitachi Medical Corp | Ultrasonographic apparatus and ultrasonographic method |
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