AT369215B - Vorrichtung zur umwandlung eines elektrischen signals in ein akustisches signal - Google Patents

Vorrichtung zur umwandlung eines elektrischen signals in ein akustisches signal

Info

Publication number
AT369215B
AT369215B AT0127581A AT127581A AT369215B AT 369215 B AT369215 B AT 369215B AT 0127581 A AT0127581 A AT 0127581A AT 127581 A AT127581 A AT 127581A AT 369215 B AT369215 B AT 369215B
Authority
AT
Austria
Prior art keywords
converting
signal
electrical signal
acoustic signal
acoustic
Prior art date
Application number
AT0127581A
Other languages
English (en)
Other versions
ATA127581A (de
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of ATA127581A publication Critical patent/ATA127581A/de
Application granted granted Critical
Publication of AT369215B publication Critical patent/AT369215B/de

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)
AT0127581A 1980-03-18 1981-03-18 Vorrichtung zur umwandlung eines elektrischen signals in ein akustisches signal AT369215B (de)

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
ATA127581A ATA127581A (de) 1982-04-15
AT369215B true AT369215B (de) 1982-12-10

Family

ID=19835015

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0127581A AT369215B (de) 1980-03-18 1981-03-18 Vorrichtung zur umwandlung eines elektrischen signals in ein akustisches signal

Country Status (9)

Country Link
US (1) US4395588A (de)
EP (1) EP0036230A1 (de)
JP (1) JPS56144697A (de)
AT (1) AT369215B (de)
AU (1) AU536893B2 (de)
CA (1) CA1171360A (de)
DK (1) DK117681A (de)
ES (1) ES8202211A1 (de)
NL (1) NL8001592A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3429147A1 (de) * 1984-08-08 1986-02-20 Friedrich 6650 Homburg Müller Anordnung zur akustischen gegenkopplung von lautsprechern

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984001682A1 (en) * 1982-10-14 1984-04-26 Matsushita Electric Ind Co Ltd Speaker
DE3414407C2 (de) * 1984-04-17 1986-02-20 Jürgen 6804 Ilvesheim Quaas Anordnung von Schallwandlern in einer Schallführung, insbesondere für Lautsprecherboxen
EP0188609A1 (de) * 1984-08-03 1986-07-30 Motorola, Inc. Piezoelektrischer lautsprecher mit feedback-umwandler
US4598417A (en) * 1984-08-15 1986-07-01 Research Corporation Electronic stethoscope
ATE77879T1 (de) * 1985-04-17 1992-07-15 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
US6937738B2 (en) * 2001-04-12 2005-08-30 Gennum Corporation 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
CA982055A (en) * 1972-09-11 1976-01-20 Toshiyuki Goto Sound reproducing system
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3429147A1 (de) * 1984-08-08 1986-02-20 Friedrich 6650 Homburg Müller Anordnung zur akustischen gegenkopplung von lautsprechern

Also Published As

Publication number Publication date
CA1171360A (en) 1984-07-24
AU6833081A (en) 1981-09-24
AU536893B2 (en) 1984-05-31
ATA127581A (de) 1982-04-15
ES500393A0 (es) 1982-01-01
JPS56144697A (en) 1981-11-11
EP0036230A1 (de) 1981-09-23
DK117681A (da) 1981-09-19
US4395588A (en) 1983-07-26
ES8202211A1 (es) 1982-01-01
NL8001592A (nl) 1981-10-16

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
REN Ceased due to non-payment of the annual fee