GB8910382D0 - Electroacoustical transducer - Google Patents

Electroacoustical transducer

Info

Publication number
GB8910382D0
GB8910382D0 GB898910382A GB8910382A GB8910382D0 GB 8910382 D0 GB8910382 D0 GB 8910382D0 GB 898910382 A GB898910382 A GB 898910382A GB 8910382 A GB8910382 A GB 8910382A GB 8910382 D0 GB8910382 D0 GB 8910382D0
Authority
GB
United Kingdom
Prior art keywords
electroacoustical transducer
electroacoustical
transducer
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.)
Granted
Application number
GB898910382A
Other versions
GB2231235B (en
GB2231235A (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.)
Transfer Technology Ltd
Original Assignee
Transfer Technology 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 Transfer Technology Ltd filed Critical Transfer Technology Ltd
Priority to GB8910382A priority Critical patent/GB2231235B/en
Publication of GB8910382D0 publication Critical patent/GB8910382D0/en
Publication of GB2231235A publication Critical patent/GB2231235A/en
Application granted granted Critical
Publication of GB2231235B publication Critical patent/GB2231235B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R19/00—Electrostatic transducers
GB8910382A 1989-05-05 1989-05-05 Electroacoustical transducer Expired - Fee Related GB2231235B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8910382A GB2231235B (en) 1989-05-05 1989-05-05 Electroacoustical transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8910382A GB2231235B (en) 1989-05-05 1989-05-05 Electroacoustical transducer

Publications (3)

Publication Number Publication Date
GB8910382D0 true GB8910382D0 (en) 1989-06-21
GB2231235A GB2231235A (en) 1990-11-07
GB2231235B GB2231235B (en) 1993-11-10

Family

ID=10656292

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8910382A Expired - Fee Related GB2231235B (en) 1989-05-05 1989-05-05 Electroacoustical transducer

Country Status (1)

Country Link
GB (1) GB2231235B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003035281A2 (en) * 2001-10-23 2003-05-01 Schindel David W Ultrasonic printed circuit board transducer
WO2008134530A2 (en) 2007-04-25 2008-11-06 University Of Florida Research Foundation, Inc. A capacitive microphone with integrated cavity
US8184833B2 (en) * 2007-12-14 2012-05-22 Sony Ericsson Mobile Communications Ab Electrostatic speaker arrangement for a mobile device
DE102008013395B4 (en) 2008-03-10 2013-10-10 Sennheiser Electronic Gmbh & Co. Kg condenser microphone

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1107382A (en) * 1978-11-03 1981-08-18 Beverley W. Gumb Electret microphone with simplified electrical connections by printed circuit board mounting

Also Published As

Publication number Publication date
GB2231235B (en) 1993-11-10
GB2231235A (en) 1990-11-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940505