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GB2176369B - Improvements in and relating to microphones - Google Patents

Improvements in and relating to microphones

Info

Publication number
GB2176369B
GB2176369B GB08511767A GB8511767A GB2176369B GB 2176369 B GB2176369 B GB 2176369B GB 08511767 A GB08511767 A GB 08511767A GB 8511767 A GB8511767 A GB 8511767A GB 2176369 B GB2176369 B GB 2176369B
Authority
GB
United Kingdom
Prior art keywords
microphones
relating
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
GB08511767A
Other versions
GB2176369A (en
GB8511767D0 (en
Inventor
Kevin Michael Mckeown Adams
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.)
GE Healthcare UK Ltd
Plessey Co Ltd
Original Assignee
GE Healthcare UK Ltd
Plessey Co 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 GE Healthcare UK Ltd, Plessey Co Ltd filed Critical GE Healthcare UK Ltd
Priority to GB08511767A priority Critical patent/GB2176369B/en
Publication of GB8511767D0 publication Critical patent/GB8511767D0/en
Priority to EP19860902886 priority patent/EP0222813B1/en
Priority to PCT/GB1986/000257 priority patent/WO1986006918A1/en
Priority to DE8686902886T priority patent/DE3669252D1/en
Priority to AT86902886T priority patent/ATE50680T1/en
Priority to JP61502608A priority patent/JPS62502816A/en
Publication of GB2176369A publication Critical patent/GB2176369A/en
Application granted granted Critical
Publication of GB2176369B publication Critical patent/GB2176369B/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
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/02—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
GB08511767A 1985-05-09 1985-05-09 Improvements in and relating to microphones Expired GB2176369B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB08511767A GB2176369B (en) 1985-05-09 1985-05-09 Improvements in and relating to microphones
EP19860902886 EP0222813B1 (en) 1985-05-09 1986-05-09 Improvements in or relating to microphones
PCT/GB1986/000257 WO1986006918A1 (en) 1985-05-09 1986-05-09 Improvements in or relating to microphones
DE8686902886T DE3669252D1 (en) 1985-05-09 1986-05-09 IMPROVEMENTS ON OR REGARDING MICROPHONES.
AT86902886T ATE50680T1 (en) 1985-05-09 1986-05-09 IMPROVEMENTS IN OR REGARDING MICROPHONES.
JP61502608A JPS62502816A (en) 1985-05-09 1986-05-09 Improvements regarding microphones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08511767A GB2176369B (en) 1985-05-09 1985-05-09 Improvements in and relating to microphones

Publications (3)

Publication Number Publication Date
GB8511767D0 GB8511767D0 (en) 1985-06-19
GB2176369A GB2176369A (en) 1986-12-17
GB2176369B true GB2176369B (en) 1988-10-05

Family

ID=10578878

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08511767A Expired GB2176369B (en) 1985-05-09 1985-05-09 Improvements in and relating to microphones

Country Status (5)

Country Link
EP (1) EP0222813B1 (en)
JP (1) JPS62502816A (en)
DE (1) DE3669252D1 (en)
GB (1) GB2176369B (en)
WO (1) WO1986006918A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2094028B8 (en) 2008-02-22 2017-03-29 TDK Corporation Miniature microphone assembly with solder sealing ring

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1410822A (en) * 1972-10-05 1975-10-22 Marconi Co Ltd Electroacoustic arrangements
GB1515287A (en) * 1974-05-30 1978-06-21 Plessey Co Ltd Piezoelectric transducers
NL7802687A (en) * 1978-03-13 1979-09-17 Philips Nv BUNCH-FREE MICROPHONE COMBINATION CONTAINS TWO MICROPHONE ELEMENTS.

Also Published As

Publication number Publication date
EP0222813B1 (en) 1990-02-28
GB2176369A (en) 1986-12-17
WO1986006918A1 (en) 1986-11-20
JPS62502816A (en) 1987-11-12
EP0222813A1 (en) 1987-05-27
DE3669252D1 (en) 1990-04-05
GB8511767D0 (en) 1985-06-19

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Legal Events

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

Effective date: 19930509