FR2226798A1 - - Google Patents

Info

Publication number
FR2226798A1
FR2226798A1 FR7314340A FR7314340A FR2226798A1 FR 2226798 A1 FR2226798 A1 FR 2226798A1 FR 7314340 A FR7314340 A FR 7314340A FR 7314340 A FR7314340 A FR 7314340A FR 2226798 A1 FR2226798 A1 FR 2226798A1
Authority
FR
France
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
FR7314340A
Other languages
French (fr)
Other versions
FR2226798B3 (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.)
RD SYSTEMS CANADA Ltd
Original Assignee
RD SYSTEMS CANADA 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 RD SYSTEMS CANADA Ltd filed Critical RD SYSTEMS CANADA Ltd
Publication of FR2226798A1 publication Critical patent/FR2226798A1/fr
Application granted granted Critical
Publication of FR2226798B3 publication Critical patent/FR2226798B3/fr
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
    • H04R1/20—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
    • H04R1/342—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 for microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR7314340A 1971-08-23 1973-04-19 Expired FR2226798B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA121,243A CA967887A (en) 1971-08-23 1971-08-23 Parabolic sound reflecting microphone holder

Publications (2)

Publication Number Publication Date
FR2226798A1 true FR2226798A1 (en) 1974-11-15
FR2226798B3 FR2226798B3 (en) 1976-04-09

Family

ID=4090675

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7314340A Expired FR2226798B3 (en) 1971-08-23 1973-04-19

Country Status (5)

Country Link
US (1) US3881056A (en)
CA (1) CA967887A (en)
DE (1) DE2319048A1 (en)
FR (1) FR2226798B3 (en)
GB (1) GB1425982A (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0126783A1 (en) * 1983-05-25 1984-12-05 Head Stereo GmbH , Kopfbezogene Aufnahme- und Wiedergabetechnik & Co. Messtechnik KG Wide-band, noise-free, high-dynamic range dummy head with high fidelity reproduction of hearing stimuli
FI77347C (en) * 1987-04-23 1989-02-10 Uuden Teknologian Keskus Oy ANORDNING FOER ATT GOERA LAETTARE SAMTIDIGT TITTANDE OCH LYSSNANDE PAO ETT AVLAEGSET OBJEKT.
US5371804A (en) * 1987-12-18 1994-12-06 Actron Manufacturing Company Voice transmission system
US5428688A (en) * 1993-03-29 1995-06-27 Audiopack Sounds Systems Voice transmission system with remote microphone
US5463693A (en) * 1993-11-10 1995-10-31 Audiopack Sound Systems Inc. Voice amplification adapter assembly for face mask
JP3267231B2 (en) * 1998-02-23 2002-03-18 日本電気株式会社 Super directional speaker
US6408080B1 (en) * 1999-11-29 2002-06-18 Intel Corporation Boundary layer microphone
US6438238B1 (en) * 2000-07-14 2002-08-20 Thomas F. Callahan Stethoscope
US6498859B2 (en) 2001-05-10 2002-12-24 Randy H. Kuerti Microphone mount
US6842528B2 (en) 2001-05-10 2005-01-11 Randy H. Kuerti Microphone mount
US20040114778A1 (en) * 2002-12-11 2004-06-17 Gobeli Garth W. Miniature directional microphone
US20070183607A1 (en) * 2006-02-09 2007-08-09 Sound & Optics Systems, Inc. Directional listening device
US8003878B2 (en) * 2008-08-05 2011-08-23 Gaynier David A Electroacoustic transducer system
US8351633B2 (en) * 2008-09-17 2013-01-08 Teodoro Lassally Noise cancelling microphone with wind shield
DE102011117343A1 (en) 2011-10-30 2013-05-02 Erwin Fliegel Device for reflection of sound from cup of musical instrument i.e. clarinet, for use by musician in outdoor, has sound-reflecting element arranged at predetermined distance to edge of cup of clarinet
US9014402B2 (en) 2012-05-16 2015-04-21 Klover Products, Inc. Acoustically isolated parabolic sound pickup assembly
US9528493B2 (en) * 2013-05-28 2016-12-27 Siemens Aktiengesellschaft Apparatus to detect aerodynamic conditions of blades of wind turbines
EP3059125A4 (en) 2013-10-15 2017-01-18 Panasonic Intellectual Property Management Co., Ltd. Microphone
WO2015085178A1 (en) * 2013-12-06 2015-06-11 Scheller Mark W Acoustic electronic device dock
US9992569B2 (en) 2014-05-30 2018-06-05 Paul D. Terpstra Camera-mountable acoustic collection assembly
FR3030093B1 (en) * 2014-12-16 2017-01-06 Bouygues Sa SOUND CAPTURING DEVICE
RU2643690C2 (en) * 2016-02-20 2018-02-05 Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) Method for correcting axis direction of reflective sonic receiver to visualally difficultly observed or undisclosed sound sources
US10038950B2 (en) * 2016-07-22 2018-07-31 Avi Avliav Microphone cover/reflector
USD886081S1 (en) 2018-10-24 2020-06-02 Matthew GOINS Sound reflector
US10701481B2 (en) 2018-11-14 2020-06-30 Townsend Labs Inc Microphone sound isolation baffle and system
EP3984498A1 (en) 2020-10-19 2022-04-20 Koninklijke Philips N.V. Cleaning unit for a surface cleaning device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1911772A (en) * 1933-05-30 Fornia
US1899966A (en) * 1931-08-14 1933-03-07 Rca Corp Sound pick-up device
US1899994A (en) * 1931-08-28 1933-03-07 Radio Keith Orpheum Corp Conversion of sound into electrical impulses
US2049586A (en) * 1932-03-09 1936-08-04 Rca Corp Single reflector type microphone
US3305043A (en) * 1965-03-08 1967-02-21 Charles E Pfund Acoustic communication device and toy
US3723962A (en) * 1970-10-09 1973-03-27 F Hotchner Apparatus for indicating the direction to a sound pulse source

Also Published As

Publication number Publication date
FR2226798B3 (en) 1976-04-09
DE2319048A1 (en) 1974-10-31
GB1425982A (en) 1976-02-25
CA967887A (en) 1975-05-20
US3881056A (en) 1975-04-29

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