SE0101399D0 - Built-in micro-speaker for wireless communication device - Google Patents

Built-in micro-speaker for wireless communication device

Info

Publication number
SE0101399D0
SE0101399D0 SE0101399A SE0101399A SE0101399D0 SE 0101399 D0 SE0101399 D0 SE 0101399D0 SE 0101399 A SE0101399 A SE 0101399A SE 0101399 A SE0101399 A SE 0101399A SE 0101399 D0 SE0101399 D0 SE 0101399D0
Authority
SE
Sweden
Prior art keywords
speaker
micro
built
wireless communication
communication device
Prior art date
Application number
SE0101399A
Other languages
English (en)
Other versions
SE0101399L (sv
SE0101399A0 (en
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 SE0101399D0 publication Critical patent/SE0101399D0/sv
Publication of SE0101399L publication Critical patent/SE0101399L/xx
Publication of SE0101399A0 publication Critical patent/SE0101399A0/sv

Links

Classifications

    • 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
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers
    • 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)
SE0101399A 2001-02-23 2001-04-23 Built-in micro-speaker for wireless communication device SE0101399A0 (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE0101399D0 true SE0101399D0 (sv) 2001-04-23
SE0101399L SE0101399L (sv) 2002-08-24
SE0101399A0 SE0101399A0 (en) 2002-08-24

Family

ID=23034236

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0101399A SE0101399A0 (en) 2001-02-23 2001-04-23 Built-in micro-speaker for wireless communication device

Country Status (9)

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

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
DE60021011T2 (de) * 1999-04-14 2005-12-01 Matsushita Electric Industrial Co., Ltd., Kadoma Antriebschaltung,elektromechanischer akustischer Wandler,und tragbares Endgerät
KR100336296B1 (ko) * 1999-07-30 2002-05-13 장세열 듀얼 음원 구조를 갖는 전기-음향 변환기

Also Published As

Publication number Publication date
ATA6802001A (de) 2005-10-15
FI20010744A (sv) 2002-08-24
SE0101399L (sv) 2002-08-24
FR2821518A1 (fr) 2002-08-30
SE0101399A0 (en) 2002-08-24
GB2376371A (en) 2002-12-11
FI20010744A0 (sv) 2001-04-10
DE10112544A1 (de) 2002-09-19
ZA200102911B (en) 2002-01-10
AU3517901A (en) 2002-08-29
CA2340845A1 (en) 2002-08-23
GB0106571D0 (en) 2001-05-09

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Legal Events

Date Code Title Description
NAV Patent application has lapsed