ES426710A1 - Perfeccionamientos en los microfonos. - Google Patents

Perfeccionamientos en los microfonos.

Info

Publication number
ES426710A1
ES426710A1 ES426710A ES426710A ES426710A1 ES 426710 A1 ES426710 A1 ES 426710A1 ES 426710 A ES426710 A ES 426710A ES 426710 A ES426710 A ES 426710A ES 426710 A1 ES426710 A1 ES 426710A1
Authority
ES
Spain
Prior art keywords
backplate
diaphragm
electret microphone
communicates
directional condenser
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
ES426710A
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.)
Thermo Fisher Scientific Inc
Original Assignee
Thermo Electron Corp
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 Thermo Electron Corp filed Critical Thermo Electron Corp
Publication of ES426710A1 publication Critical patent/ES426710A1/es
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
    • 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
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
ES426710A 1973-05-29 1974-05-28 Perfeccionamientos en los microfonos. Expired ES426710A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US364984A US3895194A (en) 1973-05-29 1973-05-29 Directional condenser electret microphone

Publications (1)

Publication Number Publication Date
ES426710A1 true ES426710A1 (es) 1976-07-16

Family

ID=23436997

Family Applications (1)

Application Number Title Priority Date Filing Date
ES426710A Expired ES426710A1 (es) 1973-05-29 1974-05-28 Perfeccionamientos en los microfonos.

Country Status (2)

Country Link
US (1) US3895194A (es)
ES (1) ES426710A1 (es)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7306005A (es) * 1973-05-01 1974-11-05
US4070741A (en) * 1976-09-27 1978-01-31 Genrad Inc. Method of making an electret acoustic transducer
US4418246A (en) * 1980-10-29 1983-11-29 Tibbetts Industries, Inc. Cell assembly for electret transducer
US4443666A (en) * 1980-11-24 1984-04-17 Gentex Corporation Electret microphone assembly
US4434327A (en) 1981-11-20 1984-02-28 Bell Telephone Laboratories, Incorporated Electret transducer with variable actual air gap
US4429191A (en) 1981-11-20 1984-01-31 Bell Telephone Laboratories, Incorporated Electret transducer with variably charged electret foil
US4429189A (en) 1981-11-20 1984-01-31 Bell Telephone Laboratories, Incorporated Electret transducer with a selectively metalized backplate
US4429193A (en) 1981-11-20 1984-01-31 Bell Telephone Laboratories, Incorporated Electret transducer with variable effective air gap
SE438233B (sv) * 1983-08-19 1985-04-01 Ericsson Telefon Ab L M Elektretmikrofon
AU4034400A (en) * 1999-04-12 2000-11-14 Knowles Electronics, Llc. Package for micromachined silicon condenser microphone
KR200332944Y1 (ko) * 2003-07-29 2003-11-14 주식회사 비에스이 Ｓｍｄ가능한 일렉트렛 콘덴서 마이크로폰
US7415121B2 (en) * 2004-10-29 2008-08-19 Sonion Nederland B.V. Microphone with internal damping
US9363587B2 (en) * 2013-12-05 2016-06-07 Apple Inc. Pressure vent for speaker or microphone modules
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US9554207B2 (en) 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
CN106231518B (zh) * 2016-08-31 2022-02-08 常勇 改进型驻极体式电容传声器
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
EP3804356A1 (en) 2018-06-01 2021-04-14 Shure Acquisition Holdings, Inc. Pattern-forming microphone array
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
US11310596B2 (en) 2018-09-20 2022-04-19 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
EP3942842B1 (en) 2019-03-21 2026-03-11 Shure Acquisition Holdings, Inc. Housings and associated design features for ceiling array microphones
TWI865506B (zh) 2019-03-21 2024-12-11 美商舒爾獲得控股公司 具有抑制功能的波束形成麥克風瓣之自動對焦、區域內自動對焦、及自動配置
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
CN114051738B (zh) 2019-05-23 2024-10-01 舒尔获得控股公司 可操纵扬声器阵列、系统及其方法
CN114051637B (zh) 2019-05-31 2025-10-28 舒尔获得控股公司 集成语音及噪声活动检测的低延时自动混波器
WO2021041275A1 (en) 2019-08-23 2021-03-04 Shore Acquisition Holdings, Inc. Two-dimensional microphone array with improved directivity
WO2021087377A1 (en) 2019-11-01 2021-05-06 Shure Acquisition Holdings, Inc. Proximity microphone
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
JP7814400B2 (ja) 2021-01-28 2026-02-16 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 ハイブリッドオーディオビーム形成システム
US12452584B2 (en) 2021-01-29 2025-10-21 Shure Acquisition Holdings, Inc. Scalable conferencing systems and methods
US12542123B2 (en) 2021-08-31 2026-02-03 Shure Acquisition Holdings, Inc. Mask non-linear processor for acoustic echo cancellation
US12289584B2 (en) 2021-10-04 2025-04-29 Shure Acquisition Holdings, Inc. Networked automixer systems and methods
US12525083B2 (en) 2021-11-05 2026-01-13 Shure Acquisition Holdings, Inc. Distributed algorithm for automixing speech over wireless networks
US12250526B2 (en) 2022-01-07 2025-03-11 Shure Acquisition Holdings, Inc. Audio beamforming with nulling control system and methods
US12598261B2 (en) 2022-09-28 2026-04-07 Shure Acquisition Holdings, Inc. Wideband doubletalk detection for optimization of acoustic echo cancellation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300585A (en) * 1963-09-04 1967-01-24 Northern Electric Co Self-polarized electrostatic microphone-semiconductor amplifier combination
US3777079A (en) * 1971-10-21 1973-12-04 Willco Gmbh Directional microphone for head mounted midget hearing aids

Also Published As

Publication number Publication date
US3895194A (en) 1975-07-15

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19920205