BR9711821A - Apoios para a cabeça com alto-falante bipolar. - Google Patents

Apoios para a cabeça com alto-falante bipolar.

Info

Publication number
BR9711821A
BR9711821A BR9711821-4A BR9711821A BR9711821A BR 9711821 A BR9711821 A BR 9711821A BR 9711821 A BR9711821 A BR 9711821A BR 9711821 A BR9711821 A BR 9711821A
Authority
BR
Brazil
Prior art keywords
transducer
headrests
bipolar
speaker
mounted inside
Prior art date
Application number
BR9711821-4A
Other languages
English (en)
Inventor
William Neal House
Original Assignee
Harman Int Ind
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 Harman Int Ind filed Critical Harman Int Ind
Publication of BR9711821A publication Critical patent/BR9711821A/pt

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
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H04R5/023—Spatial or constructional arrangements of loudspeakers in a chair, pillow

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

"APOIOS PARA A CABEçA COM ALTO-FALANTE BIPOLAR". Trata-se de uma unidade de reprodução de som que compreende uma parte central de recebimento da cabeça (22) e primeira (24) e segunda (26) extremidade opostas. A primeira (24) e a segunda (26) extremidades possuem superfícies opostas frontal e traseira. Um primeiro transdutor acústico (40) é montado dentro da primeira extremidade (24) e um segundo transdutor acústico (42) é montado dentro da segunda extremidade (26). São proporcionados o primeiro (54), segundo (58), terceiro (56) e quarto (60) caminhos acusticamente substancialmente transparentes, respectivamente entre o primeiro transdutor (40) e a superfície frontal da primeira extremidade (24), entre o primeiro transdutor (40) e a superfície traseira da primeira extremidade (24), entre o segundo transdutor (42) e a superfície frontal da segunda extremidade (26) e entre o segundo transdutor (42) e a superfície traseira da segunda extremidade (26).
BR9711821-4A 1996-08-07 1997-07-09 Apoios para a cabeça com alto-falante bipolar. BR9711821A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/693,399 US5887071A (en) 1996-08-07 1996-08-07 Dipole speaker headrests
PCT/US1997/011958 WO1998006232A1 (en) 1996-08-07 1997-07-09 Dipole speaker headrests

Publications (1)

Publication Number Publication Date
BR9711821A true BR9711821A (pt) 1999-08-31

Family

ID=24784489

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9711821-4A BR9711821A (pt) 1996-08-07 1997-07-09 Apoios para a cabeça com alto-falante bipolar.

Country Status (8)

Country Link
US (2) US5887071A (pt)
EP (1) EP0988771B1 (pt)
JP (1) JP3760447B2 (pt)
AU (1) AU717216B2 (pt)
BR (1) BR9711821A (pt)
CA (1) CA2262927A1 (pt)
DE (2) DE69726766T2 (pt)
WO (1) WO1998006232A1 (pt)

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Also Published As

Publication number Publication date
EP0988771B1 (en) 2003-12-10
JP3760447B2 (ja) 2006-03-29
DE69726766D1 (de) 2004-01-22
WO1998006232A1 (en) 1998-02-12
CA2262927A1 (en) 1998-02-12
JP2000515700A (ja) 2000-11-21
DE988771T1 (de) 2001-01-11
AU717216B2 (en) 2000-03-23
AU3599397A (en) 1998-02-25
US5887071A (en) 1999-03-23
EP0988771A1 (en) 2000-03-29
DE69726766T2 (de) 2004-06-03
EP0988771A4 (en) 2002-05-08
USRE41384E1 (en) 2010-06-22

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]