FI20010744A - Sisään rakennettava mikrokaiutin langattomia viestintälaitteita varten - Google Patents

Sisään rakennettava mikrokaiutin langattomia viestintälaitteita varten Download PDF

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Publication number
FI20010744A
FI20010744A FI20010744A FI20010744A FI20010744A FI 20010744 A FI20010744 A FI 20010744A FI 20010744 A FI20010744 A FI 20010744A FI 20010744 A FI20010744 A FI 20010744A FI 20010744 A FI20010744 A FI 20010744A
Authority
FI
Finland
Prior art keywords
built
wireless telecommunications
telecommunications device
micro speaker
speaker
Prior art date
Application number
FI20010744A
Other languages
English (en)
Swedish (sv)
Other versions
FI20010744A0 (fi
Inventor
Bill Yang
Original Assignee
Cotron Corp
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 Cotron Corp filed Critical Cotron Corp
Publication of FI20010744A0 publication Critical patent/FI20010744A0/fi
Publication of FI20010744A publication Critical patent/FI20010744A/fi

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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/10—Telephone receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/026—Transducers having separately controllable opposing diaphragms, e.g. for ring-tone and voice
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Telephone Set Structure (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)
FI20010744A 2001-02-23 2001-04-10 Sisään rakennettava mikrokaiutin langattomia viestintälaitteita varten FI20010744A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27111101P 2001-02-23 2001-02-23

Publications (2)

Publication Number Publication Date
FI20010744A0 FI20010744A0 (fi) 2001-04-10
FI20010744A true FI20010744A (fi) 2002-08-24

Family

ID=23034236

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20010744A FI20010744A (fi) 2001-02-23 2001-04-10 Sisään rakennettava mikrokaiutin langattomia viestintälaitteita varten

Country Status (9)

Country Link
AT (1) ATA6802001A (fi)
AU (1) AU3517901A (fi)
CA (1) CA2340845A1 (fi)
DE (1) DE10112544A1 (fi)
FI (1) FI20010744A (fi)
FR (1) FR2821518A1 (fi)
GB (1) GB2376371A (fi)
SE (1) SE0101399A0 (fi)
ZA (1) ZA200102911B (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI254588B (en) * 2004-03-18 2006-05-01 Cotron Corp Speaker module frame, speaker module therewith, and electrical device with the speaker module
DE102014218427B4 (de) * 2014-09-15 2016-06-02 Kendrion Kuhnke Automotive GmbH Lautsprecher, insbesondere elektrodynamischer Lautsprecher
US10250994B2 (en) 2016-03-18 2019-04-02 Dolby International Ab Force balanced micro transducer array

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5701358A (en) * 1994-07-05 1997-12-23 Larsen; John T. Isobaric loudspeaker
JP3641819B2 (ja) * 1998-03-05 2005-04-27 アツデン株式会社 電気・音響変換器
DE19821862A1 (de) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Schallwiedergabeanordnung
DE60040763D1 (de) * 1999-04-14 2008-12-18 Matsushita Electric Ind Co Ltd Elektromechanischer akustischer Wandler
KR100336296B1 (ko) * 1999-07-30 2002-05-13 장세열 듀얼 음원 구조를 갖는 전기-음향 변환기

Also Published As

Publication number Publication date
GB2376371A (en) 2002-12-11
ZA200102911B (en) 2002-01-10
DE10112544A1 (de) 2002-09-19
CA2340845A1 (en) 2002-08-23
FR2821518A1 (fr) 2002-08-30
SE0101399A0 (en) 2002-08-24
ATA6802001A (de) 2005-10-15
FI20010744A0 (fi) 2001-04-10
SE0101399L (fi) 2002-08-24
SE0101399D0 (sv) 2001-04-23
AU3517901A (en) 2002-08-29
GB0106571D0 (en) 2001-05-09

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