DE602006004174D1 - Shielded microphone for a mobile communication device - Google Patents

Shielded microphone for a mobile communication device

Info

Publication number
DE602006004174D1
DE602006004174D1 DE602006004174T DE602006004174T DE602006004174D1 DE 602006004174 D1 DE602006004174 D1 DE 602006004174D1 DE 602006004174 T DE602006004174 T DE 602006004174T DE 602006004174 T DE602006004174 T DE 602006004174T DE 602006004174 D1 DE602006004174 D1 DE 602006004174D1
Authority
DE
Germany
Prior art keywords
microphone
shield
circuit board
separator
shielding
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.)
Active
Application number
DE602006004174T
Other languages
German (de)
Inventor
Robert Phillips
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.)
BlackBerry Ltd
Original Assignee
Research in Motion Ltd
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 Research in Motion Ltd filed Critical Research in Motion Ltd
Publication of DE602006004174D1 publication Critical patent/DE602006004174D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry therefor
    • 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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Transceivers (AREA)
  • Transmitters (AREA)

Abstract

A shielded microphone, and method for shielding a microphone, are provided for use in a communications device having a circuit board and a microphone, especially where the device also has an antenna in close proximity to the microphone. The microphone is provided in an electromagnetic shield (e.g. formed as a shielding can) and a resilient separator (e.g. o-ring or disk) is provided over the shield. The device housing is stacked over the separator and shield, while the latter are stacked over the circuit board so that the separator and shield, with microphone there under, are sandwiched between the housing and the circuit board. By this sandwiching the separator is loaded onto the shield to drive the shield directly against the circuit board to make an electrical ground connection therewith, the microphone also being electrically connected to the printed circuit board. The microphone is thereby enclosed between the circuit board and the shield, such that the shield shields the microphone against electromagnetic energy radiated by the proximate antenna. The resilience of the separator accommodates the variation in the stacking of the components.
DE602006004174T 2006-04-07 2006-04-07 Shielded microphone for a mobile communication device Active DE602006004174D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06112357A EP1843625B1 (en) 2006-04-07 2006-04-07 Shielded Microphone for Mobile Communications Device

Publications (1)

Publication Number Publication Date
DE602006004174D1 true DE602006004174D1 (en) 2009-01-22

Family

ID=37054401

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006004174T Active DE602006004174D1 (en) 2006-04-07 2006-04-07 Shielded microphone for a mobile communication device

Country Status (4)

Country Link
EP (1) EP1843625B1 (en)
AT (1) ATE417478T1 (en)
CA (1) CA2583899C (en)
DE (1) DE602006004174D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115498463B (en) * 2022-11-18 2023-02-03 深圳市西点精工技术有限公司 Electromagnetic shielding composite assembly and high-speed backplane connector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2809939B2 (en) * 1992-08-26 1998-10-15 松下電器産業株式会社 Microphone device
FI970409A (en) * 1997-01-31 1998-08-01 Nokia Mobile Phones Ltd Method of protecting the microphone from external interference and microphone interference shielding
US5937361A (en) * 1997-05-09 1999-08-10 Ericsson Inc. Radiotelephones with shielded microphones
US7398072B2 (en) * 2004-08-31 2008-07-08 Research In Motion Limited Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry

Also Published As

Publication number Publication date
EP1843625A1 (en) 2007-10-10
CA2583899A1 (en) 2007-10-07
EP1843625B1 (en) 2008-12-10
CA2583899C (en) 2011-03-08
ATE417478T1 (en) 2008-12-15

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Representative=s name: MERH-IP, 80336 MUENCHEN

8364 No opposition during term of opposition