DE1191811T1 - Optische Richtmikrofonen - Google Patents

Optische Richtmikrofonen

Info

Publication number
DE1191811T1
DE1191811T1 DE1191811T DE01302814T DE1191811T1 DE 1191811 T1 DE1191811 T1 DE 1191811T1 DE 1191811 T DE1191811 T DE 1191811T DE 01302814 T DE01302814 T DE 01302814T DE 1191811 T1 DE1191811 T1 DE 1191811T1
Authority
DE
Germany
Prior art keywords
directional microphones
optical directional
optical
microphones
directional
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.)
Pending
Application number
DE1191811T
Other languages
English (en)
Inventor
Alexander Paritsky
Alexander Kots
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.)
Phone Or Ltd
Original Assignee
Phone Or 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 Phone Or Ltd filed Critical Phone Or Ltd
Publication of DE1191811T1 publication Critical patent/DE1191811T1/de
Pending 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
    • H04R1/38—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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/008—Transducers other than those covered by groups H04R9/00 - H04R21/00 using optical signals for detecting or generating sound

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)
DE1191811T 2000-09-14 2001-03-27 Optische Richtmikrofonen Pending DE1191811T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL13846000A IL138460A0 (en) 2000-09-14 2000-09-14 Directional optical microphones

Publications (1)

Publication Number Publication Date
DE1191811T1 true DE1191811T1 (de) 2002-10-17

Family

ID=11074629

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1191811T Pending DE1191811T1 (de) 2000-09-14 2001-03-27 Optische Richtmikrofonen

Country Status (7)

Country Link
US (1) US20020164043A1 (de)
EP (1) EP1191811A1 (de)
JP (1) JP2004509495A (de)
AU (1) AU2001290218A1 (de)
DE (1) DE1191811T1 (de)
IL (1) IL138460A0 (de)
WO (1) WO2002023947A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7903835B2 (en) * 2006-10-18 2011-03-08 The Research Foundation Of State University Of New York Miniature non-directional microphone
DE102006059850B4 (de) * 2006-12-15 2008-10-23 Diehl Ako Stiftung & Co. Kg Optischer Sensor
US9181086B1 (en) 2012-10-01 2015-11-10 The Research Foundation For The State University Of New York Hinged MEMS diaphragm and method of manufacture therof
US20150365770A1 (en) * 2014-06-11 2015-12-17 Knowles Electronics, Llc MEMS Device With Optical Component

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3127406C2 (de) * 1981-07-10 1986-03-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Modulationsvorrichtung zur optischen Signalübertragung
JP2541621B2 (ja) * 1988-04-20 1996-10-09 株式会社プリモ 指向性マイクロホン
US5282245A (en) * 1990-08-13 1994-01-25 Shure Brothers, Incorporated Tubular bi-directional microphone with flared entries
US5732143A (en) * 1992-10-29 1998-03-24 Andrea Electronics Corp. Noise cancellation apparatus
US5226076A (en) * 1993-02-28 1993-07-06 At&T Bell Laboratories Directional microphone assembly
DE19623504C1 (de) * 1996-06-13 1997-07-10 Deutsche Forsch Luft Raumfahrt Optisches Mikrophon
IL120464A (en) * 1997-03-17 2000-01-31 Phone Or Ltd Sensor and method for measuring distances to and/or physical properties of a medium
US6301034B1 (en) * 1997-10-22 2001-10-09 John R. Speciale Pulsed laser microphone
US6014239C1 (en) * 1997-12-12 2002-04-09 Brookhaven Science Ass Llc Optical microphone
US6154551A (en) * 1998-09-25 2000-11-28 Frenkel; Anatoly Microphone having linear optical transducers

Also Published As

Publication number Publication date
WO2002023947A1 (en) 2002-03-21
AU2001290218A1 (en) 2002-03-26
EP1191811A1 (de) 2002-03-27
IL138460A0 (en) 2001-10-31
US20020164043A1 (en) 2002-11-07
JP2004509495A (ja) 2004-03-25

Similar Documents

Publication Publication Date Title
DE60138935D1 (de) Optischer Verstärker
DE60218012D1 (de) Optischer Verstärker
DE10084309T1 (de) Optische Netzwerke
DE60123204D1 (de) Zoom-Objektiv
DE1191812T1 (de) Optischer Mikrofonsensor
FR2818084B1 (fr) Micro haut-parleur
DE60136156D1 (de) Lautsprecher
DE60233105D1 (de) Lautsprecher
DE60031579D1 (de) Optisches element
DE60008691D1 (de) Optische Abtastvorrichtung
DE60205439D1 (de) Optischer Verstärker
DE60104965D1 (de) Optischer Deflektor
DE60110455D1 (de) Optische filter
DE60133345D1 (de) Optische drahtlose Verbindung
DE60138503D1 (de) Lautsprecher
DE60007803D1 (de) Optische Verstärker
DE60118475D1 (de) Optisches Element
DE60132357D1 (de) Lautsprecher
NO20025366D0 (no) Optisk avstandsmÕler
DE60121842D1 (de) Optische Wellenleiterstruktur
DE60101246D1 (de) Optischer Router
DE60125084D1 (de) Lautsprecher
DE60139746D1 (de) Optische Steckverbindung
DE1168884T1 (de) Optischer Mikrofonsensor
DE60038081D1 (de) Optische verstärkervorrichtung