JPS5888429U - ultrasonic delay circuit - Google Patents

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、固体超音波遅延素子の１例の平面−を示す。 第２図は、従来の１個の遅延素子の出力信号の状態、第
３図は従来の２個接続された遅延素子の出力信号の状態
、第４図は本考案の２個接続された遅延素子の出力信号
の状態を、それぞれ　　、示す。第５図は、本考案の超
音波遅延回路の１例の全体を示す回路図である。 ｔｌ順FIG. 1 shows a plan view of an example of a solid-state ultrasonic delay element. Fig. 2 shows the state of the output signal of a conventional delay element, Fig. 3 shows the state of the output signal of a conventional delay element with two connected delay elements, and Fig. 4 shows the state of the output signal of the conventional delay element with two connected delay elements. The states of the output signals of the elements are shown respectively. FIG. 5 is a circuit diagram showing an entire example of the ultrasonic delay circuit of the present invention. tl order

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）遅延時間をその通過帯域の中心周波数における入
出力間の位相差で規定したとき、該遅延時間が互に４５
°以上異なる２つの固体超音波遅延素子を、コイル等の
受動インピーダンス素子あるいはトランジスタ等の能動
素子からなる回路素子により直列接続してなる固体超音
波遅延回路。(1) When the delay time is defined by the phase difference between input and output at the center frequency of the passband, the delay time is 45
A solid-state ultrasonic delay circuit in which two solid-state ultrasonic delay elements that differ by more than 100 degrees are connected in series by a circuit element consisting of a passive impedance element such as a coil or an active element such as a transistor. （２）前記２つの遅延素子の前記中心周波数が異なる場
合には、画素子の中心周波数の平均周波数を用いて入出
力間の位相差に基ずく遅延時間を規定する実用新案登録
請求の範囲第１項記載の回路。(2) If the center frequencies of the two delay elements are different, the average frequency of the center frequencies of the pixel elements is used to define the delay time based on the phase difference between input and output. The circuit described in item 1.