DE3585513D1 - Toroidmikrophon zweiter ordnung. - Google Patents

Toroidmikrophon zweiter ordnung.

Info

Publication number
DE3585513D1
DE3585513D1 DE8585309032T DE3585513T DE3585513D1 DE 3585513 D1 DE3585513 D1 DE 3585513D1 DE 8585309032 T DE8585309032 T DE 8585309032T DE 3585513 T DE3585513 T DE 3585513T DE 3585513 D1 DE3585513 D1 DE 3585513D1
Authority
DE
Germany
Prior art keywords
order
toroid microphone
toroid
microphone
order toroid
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 - Fee Related
Application number
DE8585309032T
Other languages
English (en)
Inventor
Gerhard Martin Sessler
James Edward West
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co 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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Application granted granted Critical
Publication of DE3585513D1 publication Critical patent/DE3585513D1/de
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
    • 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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
DE8585309032T 1984-12-20 1985-12-12 Toroidmikrophon zweiter ordnung. Expired - Fee Related DE3585513D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/684,574 US4675906A (en) 1984-12-20 1984-12-20 Second order toroidal microphone

Publications (1)

Publication Number Publication Date
DE3585513D1 true DE3585513D1 (de) 1992-04-09

Family

ID=24748613

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585309032T Expired - Fee Related DE3585513D1 (de) 1984-12-20 1985-12-12 Toroidmikrophon zweiter ordnung.

Country Status (6)

Country Link
US (1) US4675906A (de)
EP (1) EP0186388B1 (de)
JP (1) JPH0799880B2 (de)
KR (1) KR940003856B1 (de)
CA (1) CA1268537A (de)
DE (1) DE3585513D1 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4888807A (en) * 1989-01-18 1989-12-19 Audio-Technica U.S., Inc. Variable pattern microphone system
US4965775A (en) * 1989-05-19 1990-10-23 At&T Bell Laboratories Image derived directional microphones
US5121426A (en) * 1989-12-22 1992-06-09 At&T Bell Laboratories Loudspeaking telephone station including directional microphone
US5226076A (en) * 1993-02-28 1993-07-06 At&T Bell Laboratories Directional microphone assembly
US5625697A (en) * 1995-05-08 1997-04-29 Lucent Technologies Inc. Microphone selection process for use in a multiple microphone voice actuated switching system
US5748757A (en) * 1995-12-27 1998-05-05 Lucent Technologies Inc. Collapsible image derived differential microphone
US7085387B1 (en) * 1996-11-20 2006-08-01 Metcalf Randall B Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources
US6239348B1 (en) 1999-09-10 2001-05-29 Randall B. Metcalf Sound system and method for creating a sound event based on a modeled sound field
US8682005B2 (en) * 1999-11-19 2014-03-25 Gentex Corporation Vehicle accessory microphone
US7120261B1 (en) * 1999-11-19 2006-10-10 Gentex Corporation Vehicle accessory microphone
CA2374299A1 (en) * 2002-03-01 2003-09-01 Charles Whitman Fox Modular microphone array for surround sound recording
CA2499754A1 (en) * 2002-09-30 2004-04-15 Electro Products, Inc. System and method for integral transference of acoustical events
US7636448B2 (en) * 2004-10-28 2009-12-22 Verax Technologies, Inc. System and method for generating sound events
EP1851656A4 (de) * 2005-02-22 2009-09-23 Verax Technologies Inc System und verfahren zum formatieren von multimodus-soundinhalten und metadaten
JP4919955B2 (ja) * 2005-11-01 2012-04-18 パナソニック株式会社 収音装置
US8170254B2 (en) * 2007-07-02 2012-05-01 Tracy Dennis A Low profile loudspeaker
AU2009287421B2 (en) 2008-08-29 2015-09-17 Biamp Systems, LLC A microphone array system and method for sound acquisition
US8259959B2 (en) * 2008-12-23 2012-09-04 Cisco Technology, Inc. Toroid microphone apparatus
NO333056B1 (no) * 2009-01-21 2013-02-25 Cisco Systems Int Sarl Direktiv mikrofon
US20100223552A1 (en) * 2009-03-02 2010-09-02 Metcalf Randall B Playback Device For Generating Sound Events
JP5741866B2 (ja) * 2013-03-05 2015-07-01 日本電信電話株式会社 音場収音再生装置、方法及びプログラム
US9554207B2 (en) * 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
JP2017098707A (ja) * 2015-11-20 2017-06-01 株式会社オーディオテクニカ 扁平指向性マイクロホン
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
WO2019231632A1 (en) 2018-06-01 2019-12-05 Shure Acquisition Holdings, Inc. Pattern-forming microphone array
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
EP3854108A1 (de) 2018-09-20 2021-07-28 Shure Acquisition Holdings, Inc. Einstellbare nockenform für arraymikrofone
WO2020191354A1 (en) 2019-03-21 2020-09-24 Shure Acquisition Holdings, Inc. Housings and associated design features for ceiling array microphones
US11438691B2 (en) 2019-03-21 2022-09-06 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality
US11558693B2 (en) 2019-03-21 2023-01-17 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality
EP3973716A1 (de) 2019-05-23 2022-03-30 Shure Acquisition Holdings, Inc. Steuerbare lautsprecheranordnung, system und verfahren dafür
JP2022535229A (ja) 2019-05-31 2022-08-05 シュアー アクイジッション ホールディングス インコーポレイテッド 音声およびノイズアクティビティ検出と統合された低レイテンシオートミキサー
JP2022545113A (ja) 2019-08-23 2022-10-25 シュアー アクイジッション ホールディングス インコーポレイテッド 指向性が改善された一次元アレイマイクロホン
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
WO2021243368A2 (en) 2020-05-29 2021-12-02 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
EP4285605A1 (de) 2021-01-28 2023-12-06 Shure Acquisition Holdings, Inc. Hybrides audiostrahlformungssystem

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457527A (en) * 1942-10-02 1948-12-28 Bell Telephone Labor Inc Acoustic device
BE455912A (de) * 1943-05-17
US2539671A (en) * 1946-02-28 1951-01-30 Rca Corp Directional microphone
NL249090A (de) * 1959-03-04
NL282923A (nl) * 1962-09-05 1965-01-11 Philips Nv Microfooncombinatie met akustisch obstakel
US3573399A (en) * 1968-08-14 1971-04-06 Bell Telephone Labor Inc Directional microphone
US3573400A (en) * 1968-08-14 1971-04-06 Bell Telephone Labor Inc Directional microphone
JPS53143625U (de) * 1977-04-18 1978-11-13
JPS5442910U (de) * 1977-08-26 1979-03-23
JPS5715597A (en) * 1980-07-02 1982-01-26 Nippon Gakki Seizo Kk Microphone device
US4436966A (en) * 1982-03-15 1984-03-13 Darome, Inc. Conference microphone unit
JPS5952996A (ja) * 1982-09-20 1984-03-27 Nippon Telegr & Teleph Corp <Ntt> 可変指向性音響装置
US4589137A (en) * 1985-01-03 1986-05-13 The United States Of America As Represented By The Secretary Of The Navy Electronic noise-reducing system

Also Published As

Publication number Publication date
EP0186388B1 (de) 1992-03-04
EP0186388A2 (de) 1986-07-02
KR940003856B1 (ko) 1994-05-03
CA1268537A (en) 1990-05-01
US4675906A (en) 1987-06-23
EP0186388A3 (en) 1987-12-02
JPH0799880B2 (ja) 1995-10-25
KR860005549A (ko) 1986-07-23
JPS61150598A (ja) 1986-07-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8339 Ceased/non-payment of the annual fee