DE3925919A1 - Schallwandlersystem - Google Patents

Schallwandlersystem

Info

Publication number
DE3925919A1
DE3925919A1 DE19893925919 DE3925919A DE3925919A1 DE 3925919 A1 DE3925919 A1 DE 3925919A1 DE 19893925919 DE19893925919 DE 19893925919 DE 3925919 A DE3925919 A DE 3925919A DE 3925919 A1 DE3925919 A1 DE 3925919A1
Authority
DE
Germany
Prior art keywords
sound
transducer system
coupled
transducer
converter
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.)
Granted
Application number
DE19893925919
Other languages
German (de)
English (en)
Other versions
DE3925919C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Lothar Dipl Phys Wiemann
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.)
T & A Elektroakustik GmbH
Original Assignee
T & A Elektroakustik GmbH
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 T & A Elektroakustik GmbH filed Critical T & A Elektroakustik GmbH
Priority to DE19893925919 priority Critical patent/DE3925919A1/de
Publication of DE3925919A1 publication Critical patent/DE3925919A1/de
Application granted granted Critical
Publication of DE3925919C2 publication Critical patent/DE3925919C2/de
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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers
    • 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
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2873—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself for loudspeaker transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
DE19893925919 1989-08-04 1989-08-04 Schallwandlersystem Granted DE3925919A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19893925919 DE3925919A1 (de) 1989-08-04 1989-08-04 Schallwandlersystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893925919 DE3925919A1 (de) 1989-08-04 1989-08-04 Schallwandlersystem

Publications (2)

Publication Number Publication Date
DE3925919A1 true DE3925919A1 (de) 1991-03-21
DE3925919C2 DE3925919C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-07-18

Family

ID=6386564

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19893925919 Granted DE3925919A1 (de) 1989-08-04 1989-08-04 Schallwandlersystem

Country Status (1)

Country Link
DE (1) DE3925919A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998007294A1 (en) * 1996-08-12 1998-02-19 Carver R W High back emf, high pressure subwoofer
US6130954A (en) * 1996-01-02 2000-10-10 Carver; Robert W. High back-emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround
WO2008097159A1 (en) * 2007-02-08 2008-08-14 Actiwave Ab Sound reproducing system with superimposed digital signal
US7664283B2 (en) 2004-10-18 2010-02-16 Andrea Chiesi Devices and transducers with cavity resonator to control 3-D characteristics/harmonic frequencies for all sound/sonic waves

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3145959C1 (de) * 1981-11-20 1983-04-14 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Bassreflexbox mit einem kontrollierten Passivstrahler

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3145959C1 (de) * 1981-11-20 1983-04-14 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Bassreflexbox mit einem kontrollierten Passivstrahler

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Dave Berriman: Master Hi-Fi Loudspeakers and Endosures, Hayden Book Company, 1979, S. 78-82 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6130954A (en) * 1996-01-02 2000-10-10 Carver; Robert W. High back-emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround
US6418231B1 (en) 1996-01-02 2002-07-09 Robert W. Carver High back EMF, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround
WO1998007294A1 (en) * 1996-08-12 1998-02-19 Carver R W High back emf, high pressure subwoofer
US5937074A (en) * 1996-08-12 1999-08-10 Carver; Robert W. High back emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround
US7664283B2 (en) 2004-10-18 2010-02-16 Andrea Chiesi Devices and transducers with cavity resonator to control 3-D characteristics/harmonic frequencies for all sound/sonic waves
EP2265037A2 (en) 2004-10-18 2010-12-22 Daniele Ramenzoni Devices and transducers with cavity resonator to control 3-d characteristics/harmonic frequencies for all sound/sonic waves
WO2008097159A1 (en) * 2007-02-08 2008-08-14 Actiwave Ab Sound reproducing system with superimposed digital signal
US8879754B2 (en) 2007-02-08 2014-11-04 Actiwave Ab Sound reproducing system with superimposed digital signal

Also Published As

Publication number Publication date
DE3925919C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-07-18

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee