JPH0485897U - - Google Patents
Info
- Publication number
- JPH0485897U JPH0485897U JP12597790U JP12597790U JPH0485897U JP H0485897 U JPH0485897 U JP H0485897U JP 12597790 U JP12597790 U JP 12597790U JP 12597790 U JP12597790 U JP 12597790U JP H0485897 U JPH0485897 U JP H0485897U
- Authority
- JP
- Japan
- Prior art keywords
- dynamic speaker
- current flowing
- drive device
- detects
- transformer
- 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
- 238000010586 diagram Methods 0.000 description 6
Description
第１図は請求項１に係るダイナミツクスピーカ
駆動装置の第１実施例を示す回路構成図、第２図
は同ダイナミツクスピーカ駆動装置の第２実施例
を示す回路構成図、第３図は請求項２に係るダイ
ナミツクスピーカ駆動装置の回路構成図、第４図
は従来のダイナミツクスピーカ駆動装置の回路構
成図、第５図は他の従来のダイナミツクスピーカ
駆動装置の回路構成図である。
１，１１，２２……駆動増幅器、６，２３……
ダイナミツクスピーカ、７，２５……ダイナミツ
クスピーカに流れる電流を検出するトランス。
FIG. 1 is a circuit configuration diagram showing a first embodiment of the dynamic speaker driving device according to claim 1, FIG. 2 is a circuit diagram showing a second embodiment of the dynamic speaker driving device, and FIG. 3 is a circuit diagram showing a second embodiment of the dynamic speaker driving device. FIG. 4 is a circuit diagram of a dynamic speaker drive device according to claim 2, FIG. 4 is a circuit diagram of a conventional dynamic speaker drive device, and FIG. 5 is a circuit diagram of another conventional dynamic speaker drive device. . 1, 11, 22...drive amplifier, 6, 23...
Dynamic speaker, 7, 25...A transformer that detects the current flowing through the dynamic speaker.
Claims (1)
し、この検出値に応じた電圧を駆動回路に帰還す
るダイナミツクスピーカ駆動装置において、前記
ダイナミツクスピーカに流れる電流を検出するト
ランスを設けたことを特徴とするダイナミツクス
ピーカ駆動装置。 (2) ダイナミツクスピーカに流れる電流を検出
し、この検出値に基づいてダイナミツクスピーカ
の等価モーシヨナルインピーダンスに比例した電
圧を検出し、この検出電圧を駆動回路に帰還する
ダイナミツクスピーカ駆動装置において、前記ダ
イナミツクスピーカに流れる電流を検出するトラ
ンスを設けたことを特徴とするダイナミツクスピ
ーカ駆動装置。[Claims for Utility Model Registration] (1) In a dynamic speaker drive device that detects a current flowing through a dynamic speaker and returns a voltage according to the detected value to a drive circuit, detecting the current flowing through the dynamic speaker. A dynamic speaker drive device characterized by being equipped with a transformer. (2) In a dynamic speaker drive device that detects the current flowing through the dynamic speaker, detects a voltage proportional to the equivalent motional impedance of the dynamic speaker based on this detected value, and returns this detected voltage to the drive circuit. . A dynamic speaker drive device, comprising: a transformer for detecting a current flowing through the dynamic speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12597790U JPH0485897U (en) | 1990-11-27 | 1990-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12597790U JPH0485897U (en) | 1990-11-27 | 1990-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0485897U true JPH0485897U (en) | 1992-07-27 |
Family
ID=31873555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12597790U Pending JPH0485897U (en) | 1990-11-27 | 1990-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0485897U (en) |
-
1990
- 1990-11-27 JP JP12597790U patent/JPH0485897U/ja active Pending