ES2162984T3 - SYSTEM FOR NOISE ATTENTION. - Google Patents

SYSTEM FOR NOISE ATTENTION.

Info

Publication number
ES2162984T3
ES2162984T3 ES96308839T ES96308839T ES2162984T3 ES 2162984 T3 ES2162984 T3 ES 2162984T3 ES 96308839 T ES96308839 T ES 96308839T ES 96308839 T ES96308839 T ES 96308839T ES 2162984 T3 ES2162984 T3 ES 2162984T3
Authority
ES
Spain
Prior art keywords
light
guide
optical microphone
intensity
final
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 - Lifetime
Application number
ES96308839T
Other languages
Spanish (es)
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
Priority claimed from IL11627495A external-priority patent/IL116274A0/en
Application filed by Phone Or Ltd filed Critical Phone Or Ltd
Application granted granted Critical
Publication of ES2162984T3 publication Critical patent/ES2162984T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H04R1/34—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/403—Linear arrays of transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

UN SISTEMA DE ATENUACION DE RUIDO PARA SU USO CON DISPOSITIVOS RECEPTORES DE SONIDO, QUE INCLUYE PRIMEROS Y SEGUNDOS DISPOSITIVOS DE MICROFONO OPTICO RELATIVAMENTE PEQUEÑOS QUE TIENEN AL MENOS UNA MEMBRANA SENSIBLE AL SONIDO OPERATIVA PARA PRODUCIR UNA SEÑAL DE SALIDA DE ACUERDO CON LAS ONDAS SONORAS CAPTADAS POR LOS DISPOSITIVOS DE MICROFONO OPTICO, AL MENOS UN PAR DE GUIAS DE LUZ, PEGADAS EN LOS PRIMEROS Y SEGUNDOS DISPOSITIVO DE MICROFONO OPTICO, EL PAR DE GUIAS DE LUZ, CADA UNO TIENE UNA PARTE FINAL DE ENTRADA Y UNA PARTE FINAL DE SALIDA, LA PARTE FINAL DE ENTRADA DE UNA PRIMERA GUIA DE LUZ ES CONECTABLE A UNA FUENTE DE LUZ Y LA PARTE FINAL DE SALIDA DE LA SEGUNDA GUIA DE LUZ ES CONECTABLE A UN MEDIO DETECTOR DE INTENSIDAD DE LA LUZ. CADA PARTE DE SALIDA DE LA PRIMERA GUIA DE LUZ Y LA PARTE FINAL DE ENTRADA DE LA SEGUNDA GUIA DE LUZ TIENE UN EJE Y UN BORDE Y ESTA ORIENTADOS ENTRE SI PARA INCLUIR UN ANGULO ENTRE LOS EJES, Y CADA UNO DE LOS BORDES DE LA GUIA DE LUZ ES CORTADO EN UN ANGULOCON RESPECTO AL EJE DE SU GUIA DE LUZ. EN FUNCIONAMIENTO, LA INTENSIDAD DE LUZ REFLEJADA POR LA MEMBRANA Y DETECTADA POR LOS MEDIOS DE MEDIDA DE LA INTENSIDAD DE LA LUZ, REPRESENTA LA DIFERENCIA ENTRE LAS INTENSIDADES SONORAS CAPTADAS POR LOS PRIMEROS Y SEGUNDOS DISPOSITIVOS DE MICROFONO OPTICO.A NOISE ATTENTION SYSTEM FOR USE WITH SOUND RECEIVING DEVICES, WHICH INCLUDES FIRST AND SECOND SMALL OPTICAL MICROPHONE DEVICES THAT HAVE AT LEAST ONE MEMBRANE SENSITIVE TO THE OPERATING SOUND TO PRODUCE A SIGNAL BEHAVIOR THE OPTICAL MICROPHONE DEVICES, AT LEAST ONE PAIR OF LIGHT GUIDES, STITCHED IN THE FIRST AND SECOND OPTICAL MICROPHONE DEVICE, THE LIGHT GUIDE PAIR, EACH ONE HAS A FINAL INPUT PART AND A FINAL OUTPUT PART, THE PART END OF ENTRY OF A FIRST GUIDE OF LIGHT IS CONNECTABLE TO A SOURCE OF LIGHT AND THE END OF EXIT OF THE SECOND GUIDE OF LIGHT IS CONNECTABLE TO A HALF DETECTOR OF INTENSITY OF LIGHT. EACH EXIT PART OF THE FIRST GUIDE OF LIGHT AND THE FINAL ENTRY PART OF THE SECOND GUIDE OF LIGHT HAS A SHAFT AND A EDGE AND IS ORIENTED BETWEEN TO INCLUDE AN ANGLE BETWEEN THE AXLES, AND EACH OF THE EDGES OF THE GUIDE OF LIGHT IS CUT IN AN ANGLE WITH REGARD TO THE AXIS OF HIS GUIDE OF LIGHT. IN OPERATION, THE INTENSITY OF LIGHT REFLECTED BY THE MEMBRANE AND DETECTED BY MEANS OF MEASUREMENT OF THE INTENSITY OF LIGHT, REPRESENTS THE DIFFERENCE BETWEEN THE SOUND INTENSITIES RECEIVED BY THE FIRST AND SECOND OPTICAL MICROPHONE DEVICES.

ES96308839T 1995-12-07 1996-12-05 SYSTEM FOR NOISE ATTENTION. Expired - Lifetime ES2162984T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL11627495A IL116274A0 (en) 1995-12-07 1995-12-07 System and methot for attenuation of noise
EP96201999 1996-07-17

Publications (1)

Publication Number Publication Date
ES2162984T3 true ES2162984T3 (en) 2002-01-16

Family

ID=26142999

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96308839T Expired - Lifetime ES2162984T3 (en) 1995-12-07 1996-12-05 SYSTEM FOR NOISE ATTENTION.

Country Status (3)

Country Link
EP (1) EP0777404B1 (en)
DE (1) DE69615129T2 (en)
ES (1) ES2162984T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7391976B2 (en) 1999-12-13 2008-06-24 Kabushiki Kaisha Kenwood Optical acoustoelectric transducer
IL140066A0 (en) * 2000-12-04 2002-02-10 Phone Or Ltd Optical microphone system and a method for forming same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2350010A (en) * 1941-12-26 1944-05-30 Glastonbury Bank & Trust Compa Microphone
US3004103A (en) * 1958-12-22 1961-10-10 Chance Vought Corp Noise-reducing microphone assembly
JPS6118916A (en) * 1984-07-06 1986-01-27 Nec Corp Optical microphone
IL111913A (en) * 1994-12-07 1997-07-13 Phone Or Ltd Sensor and a method for measuring distances to, and/or physical properties of, a medium

Also Published As

Publication number Publication date
EP0777404A1 (en) 1997-06-04
DE69615129T2 (en) 2002-09-05
DE69615129D1 (en) 2001-10-18
EP0777404B1 (en) 2001-09-12

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