JPH0485999U - - Google Patents

Info

Publication number
JPH0485999U
JPH0485999U JP12672790U JP12672790U JPH0485999U JP H0485999 U JPH0485999 U JP H0485999U JP 12672790 U JP12672790 U JP 12672790U JP 12672790 U JP12672790 U JP 12672790U JP H0485999 U JPH0485999 U JP H0485999U
Authority
JP
Japan
Prior art keywords
speaker
signal
acceleration
mixer
drive 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
Application number
JP12672790U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12672790U priority Critical patent/JPH0485999U/ja
Publication of JPH0485999U publication Critical patent/JPH0485999U/ja
Pending legal-status Critical Current

Links

Description

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

第１図は、この考案によるスピーカ駆動回路の
一実施例を示す構成ブロツク図、第２図は、この
考案のマルチチヤンネルアンプ構成の実施例を示
す構成ブロツク図、第３図と第４図は、第２図の
実施例についてデジタル処理系を用いた例を示す
構成ブロツク図、第５図はこの考案の効果を示す
出力電圧の周波数特性図、第６図は、従来のスピ
ーカ駆動回路の構成ブロツク図である。 １……レベル調整回路、２……周波数補正回路
、３……ミキサー、４……低域増幅器、５……電
力増幅器、６……スピーカ、７……加速度センサ
ー、８……プリアンプ、９……補正回路、１０…
…ゲインコントロール回路。 FIG. 1 is a configuration block diagram showing an embodiment of a speaker drive circuit according to this invention, FIG. 2 is a construction block diagram showing an embodiment of a multi-channel amplifier configuration according to this invention, and FIGS. 3 and 4 are , Fig. 2 is a configuration block diagram showing an example of the embodiment using a digital processing system, Fig. 5 is an output voltage frequency characteristic diagram showing the effect of this invention, and Fig. 6 is a configuration of a conventional speaker drive circuit. It is a block diagram. DESCRIPTION OF SYMBOLS 1...Level adjustment circuit, 2...Frequency correction circuit, 3...Mixer, 4...Low frequency amplifier, 5...Power amplifier, 6...Speaker, 7...Acceleration sensor, 8...Preamplifier, 9... ...Correction circuit, 10...
...gain control circuit.

Claims (1)

【実用新案登録請求の範囲】 (1) スピーカの振動部からの加速度情報を加速
度センサーで検出し、検出した加速度信号をミキ
サーにより入力信号と合成、加算するスピーカ駆
動回路において、 前記加速度センサーで検出された加速度信号に
所定の周波数帯域制限処理を施して前記ミキサー
に帰還信号として出力する補償回路と、 前記補償回路と同様な周波数特性をもち、前記
入力信号に対し周波数補正処理を施し、前記ミキ
サー側に出力する周波数補正回路と、 を備えて成ることを特徴とするスピーカ駆動回路
。 (2) 前記ミキサーからの出力信号の前記スピー
カの共振周波数以下の周波数成分を増大する増幅
回路を有することを特徴とする請求項(1)に記載
のスピーカ駆動回路。[Scope of Claim for Utility Model Registration] (1) In a speaker drive circuit that detects acceleration information from a vibrating part of a speaker with an acceleration sensor, and combines and adds the detected acceleration signal with an input signal using a mixer, the acceleration information is detected by the acceleration sensor. a compensation circuit that performs a predetermined frequency band limiting process on the input acceleration signal and outputs it as a feedback signal to the mixer; A speaker drive circuit comprising: a frequency correction circuit that outputs to the side; (2) The speaker drive circuit according to claim 1, further comprising an amplifier circuit that increases a frequency component of the output signal from the mixer that is equal to or lower than the resonance frequency of the speaker.
JP12672790U 1990-11-30 1990-11-30 Pending JPH0485999U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12672790U JPH0485999U (en) 1990-11-30 1990-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12672790U JPH0485999U (en) 1990-11-30 1990-11-30

Publications (1)

Publication Number Publication Date
JPH0485999U true JPH0485999U (en) 1992-07-27

Family

ID=31874268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12672790U Pending JPH0485999U (en) 1990-11-30 1990-11-30

Country Status (1)

Country Link
JP (1) JPH0485999U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11148857A (en) * 1997-11-14 1999-06-02 Ono Sokki Co Ltd Reference sound device
JP2011019209A (en) * 2009-06-12 2011-01-27 Sony Corp Signal processing apparatus and signal processing method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5990411A (en) * 1982-11-15 1984-05-24 Matsushita Electric Ind Co Ltd Audio equipment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5990411A (en) * 1982-11-15 1984-05-24 Matsushita Electric Ind Co Ltd Audio equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11148857A (en) * 1997-11-14 1999-06-02 Ono Sokki Co Ltd Reference sound device
JP2011019209A (en) * 2009-06-12 2011-01-27 Sony Corp Signal processing apparatus and signal processing method

Similar Documents

Publication Publication Date Title
US4868870A (en) Servo-controlled amplifier and method for compensating for transducer nonlinearities
JPH0348916U (en)
JPH0485999U (en)
JP2765879B2 (en) Pilot signal removal circuit
JPS63309011A (en) Digital graphic equalizer
JPS62135218U (en)
JPS5811081Y2 (en) audio circuit
JPH0514588Y2 (en)
JPH0246421U (en)
JPS6137688U (en) acoustic negative feedback device
JPS59140547U (en) AM receiver
JPH0163232U (en)
JPS59137687U (en) Motionary feedback speaker system
JPH01139617U (en)
JPH0346219U (en)
JPS60155214U (en) volume control device
JPH02817U (en)
JPS61140645U (en)
JPH0216432U (en)
JPH03115427U (en)
JPS59125120U (en) Frequency characteristic compensation circuit
JPS62117897U (en)
JPH0359722U (en)
JPS5748809A (en) Muting circuit
JPH01115378U (en)