ZA200102911B - Built-in micro-speaker for wireless communication device. - Google Patents

Built-in micro-speaker for wireless communication device.

Info

Publication number
ZA200102911B
ZA200102911B ZA200102911A ZA200102911A ZA200102911B ZA 200102911 B ZA200102911 B ZA 200102911B ZA 200102911 A ZA200102911 A ZA 200102911A ZA 200102911 A ZA200102911 A ZA 200102911A ZA 200102911 B ZA200102911 B ZA 200102911B
Authority
ZA
South Africa
Prior art keywords
speaker
micro
built
wireless communication
communication device
Prior art date
Application number
ZA200102911A
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 ZA200102911B publication Critical patent/ZA200102911B/en

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)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)
ZA200102911A 2001-02-23 2001-04-09 Built-in micro-speaker for wireless communication device. ZA200102911B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA200102911B true ZA200102911B (en) 2002-01-10

Family

ID=23034236

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200102911A ZA200102911B (en) 2001-02-23 2001-04-09 Built-in micro-speaker for wireless communication device.

Country Status (9)

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

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 (en) * 2014-09-15 2016-06-02 Kendrion Kuhnke Automotive GmbH Loudspeaker, in particular electrodynamic loudspeaker
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 (en) * 1998-03-05 2005-04-27 アツデン株式会社 Electric / acoustic transducer
DE19821862A1 (en) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Flat panel loudspeaker
EP1045613B1 (en) * 1999-04-14 2005-06-29 Matsushita Electric Industrial Co., Ltd. Driving circuit, electro-mechanical-acoustic transducer, and portable terminal apparatus
KR100336296B1 (en) * 1999-07-30 2002-05-13 장세열 Electric-Acoustic Transducer Having Dual Voice Coil Drivers

Also Published As

Publication number Publication date
DE10112544A1 (en) 2002-09-19
ATA6802001A (en) 2005-10-15
FI20010744A0 (en) 2001-04-10
GB0106571D0 (en) 2001-05-09
SE0101399L (en) 2002-08-24
CA2340845A1 (en) 2002-08-23
SE0101399D0 (en) 2001-04-23
AU3517901A (en) 2002-08-29
FI20010744A (en) 2002-08-24
SE0101399A0 (en) 2002-08-24
FR2821518A1 (en) 2002-08-30
GB2376371A (en) 2002-12-11

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