GB1366613A - Electroacoustic transducers - Google Patents

Electroacoustic transducers

Info

Publication number
GB1366613A
GB1366613A GB676072A GB676072A GB1366613A GB 1366613 A GB1366613 A GB 1366613A GB 676072 A GB676072 A GB 676072A GB 676072 A GB676072 A GB 676072A GB 1366613 A GB1366613 A GB 1366613A
Authority
GB
United Kingdom
Prior art keywords
armature
legs
pivot end
base plate
pivot
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
GB676072A
Other languages
English (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.)
Industrial Research Products Inc
Original Assignee
Industrial Research Products Inc
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 Industrial Research Products Inc filed Critical Industrial Research Products Inc
Publication of GB1366613A publication Critical patent/GB1366613A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/04—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/06—Telephone receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB676072A 1971-05-17 1972-02-14 Electroacoustic transducers Expired GB1366613A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14401971A 1971-05-17 1971-05-17

Publications (1)

Publication Number Publication Date
GB1366613A true GB1366613A (en) 1974-09-11

Family

ID=22506712

Family Applications (1)

Application Number Title Priority Date Filing Date
GB676072A Expired GB1366613A (en) 1971-05-17 1972-02-14 Electroacoustic transducers

Country Status (7)

Country Link
US (1) US3766332A (cg-RX-API-DMAC10.html)
JP (1) JPS5224842B1 (cg-RX-API-DMAC10.html)
CA (1) CA963570A (cg-RX-API-DMAC10.html)
DK (1) DK139370B (cg-RX-API-DMAC10.html)
FR (1) FR2138061B1 (cg-RX-API-DMAC10.html)
GB (1) GB1366613A (cg-RX-API-DMAC10.html)
NL (1) NL164722C (cg-RX-API-DMAC10.html)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1004669C2 (nl) * 1996-12-02 1998-06-03 Microtronic Nederland Bv Transducer.
US6658134B1 (en) 1999-08-16 2003-12-02 Sonionmicrotronic Nederland B.V. Shock improvement for an electroacoustic transducer
JP2003520007A (ja) * 2000-01-07 2003-06-24 ノウルズ エレクトロニクス エルエルシー 振動平衡レシーバー
US7164776B2 (en) * 2000-01-07 2007-01-16 Knowles Electronics, Llc. Vibration balanced receiver
US7072482B2 (en) 2002-09-06 2006-07-04 Sonion Nederland B.V. Microphone with improved sound inlet port
US8571227B2 (en) 2005-11-11 2013-10-29 Phitek Systems Limited Noise cancellation earphone
US8135163B2 (en) * 2007-08-30 2012-03-13 Klipsch Group, Inc. Balanced armature with acoustic low pass filter
NZ584418A (en) * 2007-10-02 2012-12-21 Phitek Systems Ltd Component for noise reducing earphone
EP2129114A3 (en) * 2008-05-29 2011-11-02 Phitek Systems Limited Media enhancement module
JP2012501609A (ja) * 2008-08-29 2012-01-19 ザ・ペン・ステイト・リサーチ・ファウンデイション バランスドアーマチュアデバイスの歪みを低減する方法及び装置
US20110002474A1 (en) * 2009-01-29 2011-01-06 Graeme Colin Fuller Active Noise Reduction System Control
EP2226902A3 (en) * 2009-03-06 2013-03-13 Phitek Systems Limited In-flight entertainment system connector
US20110188668A1 (en) * 2009-09-23 2011-08-04 Mark Donaldson Media delivery system
US9818394B2 (en) 2009-11-30 2017-11-14 Graeme Colin Fuller Realisation of controller transfer function for active noise cancellation
WO2011146429A1 (en) 2010-05-17 2011-11-24 Thales Avionics, Inc. Airline passenger seat modular user interface device
US9487295B2 (en) 2010-11-15 2016-11-08 William James Sim Vehicle media distribution system using optical transmitters
JP2014533444A (ja) 2011-06-01 2014-12-11 フィテック システムズ リミテッドＰｈｉｔｅｋ Ｓｙｓｔｅｍｓ Ｌｉｍｉｔｅｄ 能動騒音低減を組み込むインイヤー型装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB392318A (en) * 1932-03-05 1933-05-18 Radiophon G M B H Improvements in loud-speaking telephones or loud-speaker apparatus
US2297218A (en) * 1937-04-24 1942-09-29 Hans E Henrich Loud-speaker
NL106495C (cg-RX-API-DMAC10.html) * 1956-03-06
US3002057A (en) * 1956-03-29 1961-09-26 Vigren Sten Daniel Polarized electromagnetic device
US3111187A (en) * 1959-11-23 1963-11-19 H J Leak & Company Ltd Diaphragm for electro acoustic transducer
GB1058212A (en) * 1964-04-24 1967-02-08 Gen Electric Co Ltd Improvements in or relating to telephone receivers
US3617653A (en) * 1967-05-16 1971-11-02 Tibbetts Industries Magnetic reed type acoustic transducer with improved armature

Also Published As

Publication number Publication date
US3766332A (en) 1973-10-16
JPS5224842B1 (cg-RX-API-DMAC10.html) 1977-07-04
NL164722C (nl) 1981-01-15
FR2138061A1 (cg-RX-API-DMAC10.html) 1972-12-29
NL7202226A (cg-RX-API-DMAC10.html) 1972-11-21
CA963570A (en) 1975-02-25
DE2224148A1 (de) 1972-12-07
FR2138061B1 (cg-RX-API-DMAC10.html) 1975-08-01
DK139370C (cg-RX-API-DMAC10.html) 1979-07-09
DK139370B (da) 1979-02-05
DE2224148B2 (de) 1976-12-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee