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EP1113702A3 - Acoustic dipole radiator for portable electronic devices - Google Patents

Acoustic dipole radiator for portable electronic devices Download PDF

Info

Publication number
EP1113702A3
EP1113702A3 EP00310555A EP00310555A EP1113702A3 EP 1113702 A3 EP1113702 A3 EP 1113702A3 EP 00310555 A EP00310555 A EP 00310555A EP 00310555 A EP00310555 A EP 00310555A EP 1113702 A3 EP1113702 A3 EP 1113702A3
Authority
EP
European Patent Office
Prior art keywords
dipole radiator
acoustic dipole
loudspeakers
electronic devices
portable electronic
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.)
Withdrawn
Application number
EP00310555A
Other languages
German (de)
French (fr)
Other versions
EP1113702A2 (en
Inventor
Paavo Niemitalo
Marko Laukkann
Juha Rautiainen
Riku Mikkonen
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
Nokia Inc
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 Nokia Oyj, Nokia Inc filed Critical Nokia Oyj
Publication of EP1113702A2 publication Critical patent/EP1113702A2/en
Publication of EP1113702A3 publication Critical patent/EP1113702A3/en
Withdrawn legal-status Critical Current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
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication
    • 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
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • H04R1/347—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers for obtaining a phase-shift between the front and back acoustic wave
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • 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
    • H04R5/033—Headphones for stereophonic communication
    • H04R5/0335—Earpiece support, e.g. headbands or neckrests

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

A wearable acoustic dipole radiator accessory for portable electronic devices such as mobile phones, portable cassette players, MP3 players, portable radios, or any other suitable device. The acoustic dipole radiator has two loudspeakers that are acoustically connected by an interconnection cavity. The loudspeakers do not need to contact the user's ears. The interconnection cavity limits mutual interference between the front and backwaves of the loudspeakers. In one embodiment, the acoustic dipole radiator is implemented in a necklace. In another embodiment, the acoustic dipole radiator is implemented in a helmet. In yet another embodiment, the acoustic dipole radiator is implemented in a headset in which the loudspeakers do not contact the ears.
EP00310555A 1999-12-31 2000-11-29 Acoustic dipole radiator for portable electronic devices Withdrawn EP1113702A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47604599A 1999-12-31 1999-12-31
US476045 1999-12-31

Publications (2)

Publication Number Publication Date
EP1113702A2 EP1113702A2 (en) 2001-07-04
EP1113702A3 true EP1113702A3 (en) 2002-12-18

Family

ID=23890270

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00310555A Withdrawn EP1113702A3 (en) 1999-12-31 2000-11-29 Acoustic dipole radiator for portable electronic devices

Country Status (1)

Country Link
EP (1) EP1113702A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60228529D1 (en) * 2001-07-30 2008-10-09 Matsushita Electric Ind Co Ltd Sound reproduction device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084139A (en) * 1977-04-25 1978-04-11 Jakobe Eugene J Shoulder supported stereophonic radio receiver
FR2625844A1 (en) * 1988-01-13 1989-07-13 Audio Design "Push-pull" loudspeaker acoustic system for chambers
US4993065A (en) * 1989-04-04 1991-02-12 Gamma Inc. Accessory communication device for telephone sets
EP0412205A1 (en) * 1989-08-11 1991-02-13 André Tisseront Protective helmet
WO1997021322A1 (en) * 1995-12-01 1997-06-12 Interval Research Corporation Portable speakers with phased arrays

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084139A (en) * 1977-04-25 1978-04-11 Jakobe Eugene J Shoulder supported stereophonic radio receiver
FR2625844A1 (en) * 1988-01-13 1989-07-13 Audio Design "Push-pull" loudspeaker acoustic system for chambers
US4993065A (en) * 1989-04-04 1991-02-12 Gamma Inc. Accessory communication device for telephone sets
EP0412205A1 (en) * 1989-08-11 1991-02-13 André Tisseront Protective helmet
WO1997021322A1 (en) * 1995-12-01 1997-06-12 Interval Research Corporation Portable speakers with phased arrays

Also Published As

Publication number Publication date
EP1113702A2 (en) 2001-07-04

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