GB2064265B - Microphone unit - Google Patents

Microphone unit

Info

Publication number
GB2064265B
GB2064265B GB7941510A GB7941510A GB2064265B GB 2064265 B GB2064265 B GB 2064265B GB 7941510 A GB7941510 A GB 7941510A GB 7941510 A GB7941510 A GB 7941510A GB 2064265 B GB2064265 B GB 2064265B
Authority
GB
United Kingdom
Prior art keywords
microphone unit
microphone
unit
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.)
Expired
Application number
GB7941510A
Other versions
GB2064265A (en
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.)
Pye Electronic Products Ltd
Original Assignee
Pye Electronic Products 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 Pye Electronic Products Ltd filed Critical Pye Electronic Products Ltd
Priority to GB7941510A priority Critical patent/GB2064265B/en
Publication of GB2064265A publication Critical patent/GB2064265A/en
Application granted granted Critical
Publication of GB2064265B publication Critical patent/GB2064265B/en
Expired 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
    • 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 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/04—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Telephone Set Structure (AREA)
GB7941510A 1979-11-30 1979-11-30 Microphone unit Expired GB2064265B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7941510A GB2064265B (en) 1979-11-30 1979-11-30 Microphone unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7941510A GB2064265B (en) 1979-11-30 1979-11-30 Microphone unit

Publications (2)

Publication Number Publication Date
GB2064265A GB2064265A (en) 1981-06-10
GB2064265B true GB2064265B (en) 1984-01-11

Family

ID=10509547

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7941510A Expired GB2064265B (en) 1979-11-30 1979-11-30 Microphone unit

Country Status (1)

Country Link
GB (1) GB2064265B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2545302B1 (en) * 1983-04-26 1989-01-13 Thomson Csf Mat Tel ACOUSTIC FILTER FOR A TRANSDUCER IN PARTICULAR OF THE ELECTROMAGNETIC TYPE OF TELEPHONE HANDSET
US4550429A (en) * 1983-06-03 1985-10-29 Motorola, Inc. Shock absorbing transducer module
CA1202713A (en) * 1984-03-16 1986-04-01 Beverley W. Gumb Transmitter assembly for a telephone handset
GB8727072D0 (en) * 1987-11-19 1987-12-23 British Telecomm Moisture barrier assembly
JPH0727715Y2 (en) * 1989-02-06 1995-06-21 株式会社東芝 Handset
US4974258A (en) * 1989-07-21 1990-11-27 Raytel, Inc. Vandal-proof handset for a pay telephone
JP3955686B2 (en) * 1998-08-31 2007-08-08 株式会社オーディオテクニカ Waterproof microphone
US6512834B1 (en) * 1999-07-07 2003-01-28 Gore Enterprise Holdings, Inc. Acoustic protective cover assembly
GB2354393B (en) 1999-09-14 2003-11-12 Mitel Corp Complex acoustic path and gasket for use with microphones
GB2372397B (en) 2001-02-20 2004-10-06 Mitel Corp Microphone gasket with integrated acoustic resistance
FI113934B (en) * 2002-10-24 2004-06-30 Nokia Corp Waterproof acoustic structure suitable for speaker function
ES2574878T3 (en) * 2009-04-23 2016-06-22 Audio Pixels Ltd. Dust protection device for flat speakers
US8939252B2 (en) 2012-11-11 2015-01-27 David Sanborn Protective material for acoustic transmission
DK202070511A1 (en) 2020-08-03 2022-02-11 Gn Hearing As Damping filter for a hearing device

Also Published As

Publication number Publication date
GB2064265A (en) 1981-06-10

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee