JPS56160199A - Sound-to-electricity transducing device - Google Patents

Sound-to-electricity transducing device

Info

Publication number
JPS56160199A
JPS56160199A JP6303180A JP6303180A JPS56160199A JP S56160199 A JPS56160199 A JP S56160199A JP 6303180 A JP6303180 A JP 6303180A JP 6303180 A JP6303180 A JP 6303180A JP S56160199 A JPS56160199 A JP S56160199A
Authority
JP
Japan
Prior art keywords
reflected
light
diaphragm
mirror
interference fringes
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.)
Granted
Application number
JP6303180A
Other languages
Japanese (ja)
Other versions
JPS6338000B2 (en
Inventor
Masato Tanaka
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP6303180A priority Critical patent/JPS56160199A/en
Publication of JPS56160199A publication Critical patent/JPS56160199A/en
Publication of JPS6338000B2 publication Critical patent/JPS6338000B2/ja
Granted 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
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

PURPOSE:To transduce an acoustic signal to a digitized electric signal, by synchronizing the interference fringes caused by the reflected light of a coherent light with the vibration of a diaphragm and extracting it as an electric signal. CONSTITUTION:A coherent light is emitted from a light source 1 to a mirror body 4 stuck to a diaphragm 3 and then transmits through a half-mirror 2 to be reflected by the body 4. At the same time, a part of the light is reflected by the mirror 2. These reflected lights are turned toward photodetectors 5 and 6 to form the interference fringes. The interference fringes vary in accordance with the movement of the diaphragm to which the sound wave A.W is added. The fringes thus obtained are transduced to the electric signals by the photodetectors 5 and 6.
JP6303180A 1980-05-13 1980-05-13 Sound-to-electricity transducing device Granted JPS56160199A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6303180A JPS56160199A (en) 1980-05-13 1980-05-13 Sound-to-electricity transducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6303180A JPS56160199A (en) 1980-05-13 1980-05-13 Sound-to-electricity transducing device

Publications (2)

Publication Number Publication Date
JPS56160199A true JPS56160199A (en) 1981-12-09
JPS6338000B2 JPS6338000B2 (en) 1988-07-27

Family

ID=13217543

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6303180A Granted JPS56160199A (en) 1980-05-13 1980-05-13 Sound-to-electricity transducing device

Country Status (1)

Country Link
JP (1) JPS56160199A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850899A (en) * 1981-09-18 1983-03-25 Matsushita Electric Ind Co Ltd Microphone device
JPS62155600U (en) * 1986-03-22 1987-10-02

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850899A (en) * 1981-09-18 1983-03-25 Matsushita Electric Ind Co Ltd Microphone device
JPS62155600U (en) * 1986-03-22 1987-10-02

Also Published As

Publication number Publication date
JPS6338000B2 (en) 1988-07-27

Similar Documents

Publication Publication Date Title
MY103304A (en) Speaker system
IL54572A (en) Frequency correlation signal processing system for acoustic reverberation suppression
NO900398L (en) PROCEDURE FOR AA REDUCE PRESSURE BELLS BY MARIN SEISMIC INVESTIGATION.
JPS53140079A (en) Automatic recognizing system for moving sound source
DK238579A (en) CLOCK TONE SOUND SYSTEM WITH PIEZOELECTRIC TRANSDUCER
JPS5585122A (en) Surface sound wave signal processor
JPS56160199A (en) Sound-to-electricity transducing device
JPS5681802A (en) Light modulating device
FR2395564B1 (en)
AU518464B2 (en) Acoustic surface wave transducer
CA1034048A (en) Signal processor for producing two-channel acoustic and vibratory outputs
SU819687A1 (en) Ultrasonic finder
JPS5433078A (en) Acoustic detector
JPS53108419A (en) Microphone sound collecting system
SU677003A1 (en) Spring reverberator
JPS5512410A (en) Device for acoustic holography
JPS53139488A (en) Megaphone
JPS5451520A (en) Diaphragm for electric sound transducer
JPS5432374A (en) Periodic abnormal sound detecting system
SU796751A2 (en) Low-frequency separately combined transducer
JPS51151095A (en) Signal detection apparatus
GB2014017A (en) Electro-magnetic acoustic transducer
JPS5772497A (en) Piezoelectric speaker
JPS5534954B2 (en)
JPS5418722A (en) Plane acoustic transducer