GR3003764T3 - - Google Patents

Info

Publication number
GR3003764T3
GR3003764T3 GR920400186T GR920400186T GR3003764T3 GR 3003764 T3 GR3003764 T3 GR 3003764T3 GR 920400186 T GR920400186 T GR 920400186T GR 920400186 T GR920400186 T GR 920400186T GR 3003764 T3 GR3003764 T3 GR 3003764T3
Authority
GR
Greece
Prior art keywords
vent
transducer
housing
drive unit
fluid medium
Prior art date
Application number
GR920400186T
Other languages
Greek (el)
English (en)
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
Publication of GR3003764T3 publication Critical patent/GR3003764T3/el

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2846—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2849—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Headphones And Earphones (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Helmets And Other Head Coverings (AREA)
GR920400186T 1986-01-23 1992-02-11 GR3003764T3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8601635 1986-01-23

Publications (1)

Publication Number Publication Date
GR3003764T3 true GR3003764T3 (de) 1993-03-16

Family

ID=10591825

Family Applications (1)

Application Number Title Priority Date Filing Date
GR920400186T GR3003764T3 (de) 1986-01-23 1992-02-11

Country Status (6)

Country Link
EP (1) EP0232096B1 (de)
AT (1) ATE70936T1 (de)
DE (1) DE3775425D1 (de)
ES (1) ES2028062T3 (de)
GB (1) GB8701520D0 (de)
GR (1) GR3003764T3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW356629B (en) 1996-11-28 1999-04-21 Kirk Acoustics As Telephone handset, cordless telephone or mobile telephone
US7317802B2 (en) * 2000-07-25 2008-01-08 Lightspeed Aviation, Inc. Active-noise-reduction headsets with front-cavity venting
WO2003010993A2 (en) * 2001-07-25 2003-02-06 Michael Jon Wurtz Active-noise-reduction headsets with front-cavity venting
KR100480052B1 (ko) * 2002-06-28 2005-03-30 엘지전자 주식회사 통신 단말기의 레시버 장치
US9762990B2 (en) * 2013-03-26 2017-09-12 Bose Corporation Headset porting

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE562680A (de) * 1956-11-26
US3602329A (en) * 1970-01-07 1971-08-31 Columbia Broadcasting Systems Conformal ear enclosure
CH558121A (de) * 1973-07-19 1975-01-15 Peiker Heinrich Dynamischer kleinlautsprecher fuer sprachuebertragung.
AT334992B (de) * 1975-04-08 1977-02-10 Akg Akustische Kino Geraete Kopfhorermuschel
AT337795B (de) * 1975-10-13 1977-07-25 Akg Akustische Kino Geraete Kopfhorer
CA1165248A (en) * 1980-10-31 1984-04-10 Shingo Watanabe Electro-acoustic transducer

Also Published As

Publication number Publication date
GB8701520D0 (en) 1987-02-25
ATE70936T1 (de) 1992-01-15
EP0232096A2 (de) 1987-08-12
DE3775425D1 (de) 1992-02-06
EP0232096B1 (de) 1991-12-27
EP0232096A3 (en) 1988-10-05
ES2028062T3 (es) 1992-07-01

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