DE3925919C2 - - Google Patents

Info

Publication number
DE3925919C2
DE3925919C2 DE19893925919 DE3925919A DE3925919C2 DE 3925919 C2 DE3925919 C2 DE 3925919C2 DE 19893925919 DE19893925919 DE 19893925919 DE 3925919 A DE3925919 A DE 3925919A DE 3925919 C2 DE3925919 C2 DE 3925919C2
Authority
DE
Germany
Prior art keywords
sound
transducer
transducer system
sound transducer
impedance
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 - Fee Related
Application number
DE19893925919
Other languages
German (de)
English (en)
Other versions
DE3925919A1 (de
Inventor
Lothar Dipl.-Phys. 4900 Herford De 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 and A Elektroakustik 4900 Herford De GmbH
Original Assignee
T and A Elektroakustik 4900 Herford De 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 and A Elektroakustik 4900 Herford De GmbH filed Critical T and A Elektroakustik 4900 Herford De 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 DE3925919A1 (de) 1991-03-21
DE3925919C2 true 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)

Families Citing this family (4)

* 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
AU4230397A (en) 1996-08-12 1998-03-06 Robert W. Carver High back emf, high pressure subwoofer
ITMI20041972A1 (it) 2004-10-18 2005-01-18 Daniele Ramenzoni Dispositivo elettroacustico, con risonatore a cavita', che fornisce caratteristiche tridimensionali estreme per controllare, concentrare e diffondere infrasuoni, suoni e ultrasuoni.
SE531023C2 (sv) * 2007-02-08 2008-11-18 Paer Gunnars Risberg Ljudåtergivningssystem

Family Cites Families (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

Also Published As

Publication number Publication date
DE3925919A1 (de) 1991-03-21

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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