ES8202211A1 - Un dispositivo para convertir una senal electrica en una se-nal acustica - Google Patents

Un dispositivo para convertir una senal electrica en una se-nal acustica

Info

Publication number
ES8202211A1
ES8202211A1 ES500393A ES500393A ES8202211A1 ES 8202211 A1 ES8202211 A1 ES 8202211A1 ES 500393 A ES500393 A ES 500393A ES 500393 A ES500393 A ES 500393A ES 8202211 A1 ES8202211 A1 ES 8202211A1
Authority
ES
Spain
Prior art keywords
transducer
pickup
output signal
network
pass network
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.)
Expired
Application number
ES500393A
Other languages
English (en)
Other versions
ES500393A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES8202211A1 publication Critical patent/ES8202211A1/es
Publication of ES500393A0 publication Critical patent/ES500393A0/es
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

DISPOSITIVO PARA CONVERTIR UNA SEÑAL ELECTRICA EN UNA SEÑAL ACUSTICA. CONSTA DE UN TRANSDUCTOR ELECTROACUSTICO (1); DE MEDIOS PARA EXCITAR DICHO TRANSDUCTOR ELECTROACUSTICO; DE UN CAPTADOR (2) PARA SUMINISTRAR UNA SEÑAL ELECTRICA DE SALIDA, QUE ES UNA MEDIDA DE LA SEÑAL DE SALIDA ACUSTICA DEL TRANSDUCTOR (1); DE UN AMPLIFICADOR (3); DE UN CIRCUITO (5) CUYA RESPUESTA DE FRECUENCIA ES LA INVERSA DE LA RESPUESTA GLOBAL DE FRECUENCIA DE LA VIA DE TRASMISION DE SEÑAL DESDE LA ENTRADA DEL TRANSDUCTOR (1) HASTA LA SALIDA DEL CAPTADOR (2); DE UN CIRCUITO DE REALIMENTACION (6) QUE UTILIZA LA SEÑAL DE SALIDA DEL CAPTADOR (2) COMO SEÑAL DE REALIMENTACION NEGATIVA; DE UN CIRCUITO DE DERIVACION (4) DESTINADO A PRODUCIR UNA SEÑAL DE CORRECCION.
ES500393A 1980-03-18 1981-03-16 Un dispositivo para convertir una senal electrica en una se-nal acustica Granted ES500393A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8001592A NL8001592A (nl) 1980-03-18 1980-03-18 Mfb systeem met een overnamenetwerk.

Publications (2)

Publication Number Publication Date
ES8202211A1 true ES8202211A1 (es) 1982-01-01
ES500393A0 ES500393A0 (es) 1982-01-01

Family

ID=19835015

Family Applications (1)

Application Number Title Priority Date Filing Date
ES500393A Granted ES500393A0 (es) 1980-03-18 1981-03-16 Un dispositivo para convertir una senal electrica en una se-nal acustica

Country Status (9)

Country Link
US (1) US4395588A (es)
EP (1) EP0036230A1 (es)
JP (1) JPS56144697A (es)
AT (1) AT369215B (es)
AU (1) AU536893B2 (es)
CA (1) CA1171360A (es)
DK (1) DK117681A (es)
ES (1) ES500393A0 (es)
NL (1) NL8001592A (es)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122290B1 (en) * 1982-10-14 1991-04-03 Matsushita Electric Industrial Co., Ltd. Speaker
DE3414407C2 (de) * 1984-04-17 1986-02-20 Jürgen 6804 Ilvesheim Quaas Anordnung von Schallwandlern in einer Schallführung, insbesondere für Lautsprecherboxen
WO1986001362A1 (en) * 1984-08-03 1986-02-27 Motorola, Inc. Piezoelectric loudspeaker having a feedback transducer
DE3429147A1 (de) * 1984-08-08 1986-02-20 Friedrich 6650 Homburg Müller Anordnung zur akustischen gegenkopplung von lautsprechern
US4598417A (en) * 1984-08-15 1986-07-01 Research Corporation Electronic stethoscope
DE3685859T2 (de) * 1985-04-17 1992-12-17 Geoquip Security Systems Ltd Vibrationsempfindlicher transduktor.
NL8501719A (nl) * 1985-06-14 1987-01-02 Philips Nv Basreflex luidsprekersysteem.
US4868870A (en) * 1985-10-01 1989-09-19 Schrader Daniel J Servo-controlled amplifier and method for compensating for transducer nonlinearities
US4727584A (en) * 1986-02-14 1988-02-23 Velodyne Acoustics, Inc. Loudspeaker with motional feedback
DE68921922T2 (de) * 1988-05-31 1995-12-07 Yamaha Corp Temperaturkompensationsschaltung in einem Verstärker zum Treiben einer negativen Impedanz.
US4985925A (en) * 1988-06-24 1991-01-15 Sensor Electronics, Inc. Active noise reduction system
JPH0737369Y2 (ja) * 1988-10-17 1995-08-23 ヤマハ株式会社 駆動装置の温度補償回路
JP3016446B2 (ja) * 1991-08-20 2000-03-06 ソニー株式会社 再生装置
DE4139681A1 (de) * 1991-12-02 1992-07-02 Czerny Heribert Schallwandler mit kompensationsantrieb
GB2268356A (en) * 1992-06-23 1994-01-05 Itzhak Chavet High-fidelity loudspeaker.
GB2292854B (en) * 1994-08-12 1999-08-25 Motorola Ltd Electronic audio device and method of operation
US5523715A (en) * 1995-03-10 1996-06-04 Schrader; Daniel J. Amplifier arrangement and method and voltage controlled amplifier and method
US5901231A (en) * 1995-09-25 1999-05-04 Noise Cancellation Technologies, Inc. Piezo speaker for improved passenger cabin audio systems
US6683965B1 (en) 1995-10-20 2004-01-27 Bose Corporation In-the-ear noise reduction headphones
JP3521626B2 (ja) * 1996-07-16 2004-04-19 松下電器産業株式会社 音響再生装置
US6584204B1 (en) * 1997-12-11 2003-06-24 The Regents Of The University Of California Loudspeaker system with feedback control for improved bandwidth and distortion reduction
EP1251714B2 (en) * 2001-04-12 2015-06-03 Sound Design Technologies Ltd. Digital hearing aid system
CA2408045A1 (en) * 2001-10-16 2003-04-16 Audio Products International Corp. Loudspeaker with large displacement motional feedback
TWI241830B (en) * 2004-08-20 2005-10-11 Vistapoint Inc Self-testing and calibrating method for electroacoustic system
KR20100069863A (ko) * 2008-12-17 2010-06-25 삼성전자주식회사 음질 보정을 위한 음향 출력 장치 및 그의 음질 보정 방법
US9496755B2 (en) * 2011-09-26 2016-11-15 Qualcomm Incorporated Systems, methods, and apparatus for rectifier filtering for input waveform shaping
GB201712391D0 (en) 2017-08-01 2017-09-13 Turner Michael James Controller for an electromechanical transducer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937887A (en) * 1969-05-15 1976-02-10 Ben O. Key Acoustic power system
US3798374A (en) * 1972-04-03 1974-03-19 Rene Oliveras Sound reproducing system utilizing motional feedback
FR2199241B1 (es) * 1972-09-11 1978-11-10 Matsushita Electric Ind Co Ltd
US4180706A (en) * 1976-04-30 1979-12-25 Bang & Olufsen A/S Loudspeaker motional feedback system
DE2626652C3 (de) * 1976-06-15 1979-11-22 Friedemann Dipl.-Ing. 8000 Muenchen Meggl Regelungsanordnung für Schallsender
US4287389A (en) * 1978-10-30 1981-09-01 Gamble George W High-fidelity speaker system
US4276443A (en) * 1979-08-17 1981-06-30 Meyers Stanley T Sound reproducing system utilizing motional feedback and velocity-frequency equalization

Also Published As

Publication number Publication date
AU6833081A (en) 1981-09-24
ES500393A0 (es) 1982-01-01
DK117681A (da) 1981-09-19
AU536893B2 (en) 1984-05-31
JPS56144697A (en) 1981-11-11
AT369215B (de) 1982-12-10
ATA127581A (de) 1982-04-15
NL8001592A (nl) 1981-10-16
US4395588A (en) 1983-07-26
EP0036230A1 (en) 1981-09-23
CA1171360A (en) 1984-07-24

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