JPS5826674U - Characteristic measurement circuit of reverberation adding device - Google Patents
Characteristic measurement circuit of reverberation adding deviceInfo
- Publication number
- JPS5826674U JPS5826674U JP12020781U JP12020781U JPS5826674U JP S5826674 U JPS5826674 U JP S5826674U JP 12020781 U JP12020781 U JP 12020781U JP 12020781 U JP12020781 U JP 12020781U JP S5826674 U JPS5826674 U JP S5826674U
- Authority
- JP
- Japan
- Prior art keywords
- adding device
- switch circuit
- output
- reverberation adding
- circuit
- 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
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (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図は本考案の実施例を示す残響特性測定回路のブロ
ック回路図、第２図及び第３図は夫々第１図の回路のよ
り具体的な構成を示すブロック回路図である。
なお図面に用いられている符号において、１・・・・・
・発振器、２．８・・・・・・スイッチ回路、５・・・
・・・残響付加装置、１０・・・・・・バンドパスフィ
ルタ、１１・・・・・・ＤＣ変換器、１３・・・・・・
スイッチ制御回路、１４・・・・・・整流回路、１５・
・・・・・平滑回路、ａ・・・・・・発振器出力、ａ′
・・・・・・バースト信号、ｂ・・・・・・残響信号、
ｄ・・・・・・ＤＣ信号である。FIG. 1 is a block circuit diagram of a reverberation characteristic measuring circuit showing an embodiment of the present invention, and FIGS. 2 and 3 are block circuit diagrams showing more specific configurations of the circuit shown in FIG. 1, respectively. In addition, in the symbols used in the drawings, 1...
・Oscillator, 2.8...Switch circuit, 5...
...Reverberation adding device, 10...Band pass filter, 11...DC converter, 13...
Switch control circuit, 14... Rectifier circuit, 15.
... Smoothing circuit, a ... Oscillator output, a'
...Burst signal, b...Reverberation signal,
d...DC signal.
Claims (1)
フして測定対象の残響付加装置にバースト信号を供給す
る第１のスイッチ回路と、上記残響付加装置の出力から
残響信号成分を抽出す−るための上記第１のスイッチ回
路とは逆相でオン・オフされる第２のスイッチ回路と、
上記第２のスイッチ回路の出力の平均値を検出する検出
回路とを夫々具備し、上記検出回路の出力でもって残響
特性を測定するようにした残響付加装置の特性測定回路
。 ２ 上記平均値の検出回路が上記信号源発振器の発振周
波数を中心とした帯域通過特性を有する帯域フィルタを
具備することを特徴とする実用新案登録請求の範囲第１
項に記載の残響付加装置の特性測定回路。[Claims for Utility Model Registration] 1. A signal source oscillator, a first switch circuit that turns on and off its output at a predetermined period to supply a burst signal to a reverberation adding device to be measured, and a first switch circuit for supplying a burst signal to a reverberation adding device to be measured; a second switch circuit that is turned on and off in opposite phase to the first switch circuit for extracting a reverberant signal component from the output;
and a detection circuit for detecting an average value of the output of the second switch circuit, and the reverberation characteristic is measured using the output of the detection circuit. 2. Utility model registration claim 1, characterized in that the average value detection circuit comprises a bandpass filter having a bandpass characteristic centered on the oscillation frequency of the signal source oscillator.
Characteristic measurement circuit of the reverberation adding device described in 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12020781U JPS5826674U (en) | 1981-08-13 | 1981-08-13 | Characteristic measurement circuit of reverberation adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12020781U JPS5826674U (en) | 1981-08-13 | 1981-08-13 | Characteristic measurement circuit of reverberation adding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5826674U true JPS5826674U (en) | 1983-02-21 |
Family
ID=29914233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12020781U Pending JPS5826674U (en) | 1981-08-13 | 1981-08-13 | Characteristic measurement circuit of reverberation adding device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5826674U (en) |
-
1981
- 1981-08-13 JP JP12020781U patent/JPS5826674U/en active Pending
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