AU2002365780A1 - Optical microphone - Google Patents

Optical microphone

Info

Publication number
AU2002365780A1
AU2002365780A1 AU2002365780A AU2002365780A AU2002365780A1 AU 2002365780 A1 AU2002365780 A1 AU 2002365780A1 AU 2002365780 A AU2002365780 A AU 2002365780A AU 2002365780 A AU2002365780 A AU 2002365780A AU 2002365780 A1 AU2002365780 A1 AU 2002365780A1
Authority
AU
Australia
Prior art keywords
optical microphone
microphone
optical
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.)
Abandoned
Application number
AU2002365780A
Inventor
Tae Kyung Yoo
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.)
EpiValley Co Ltd
Original Assignee
EpiValley Co 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 EpiValley Co Ltd filed Critical EpiValley Co Ltd
Publication of AU2002365780A1 publication Critical patent/AU2002365780A1/en
Abandoned 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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • 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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
AU2002365780A 2001-12-07 2002-12-07 Optical microphone Abandoned AU2002365780A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2001-0077396A KR100437142B1 (en) 2001-12-07 2001-12-07 Optical microphone
KR10-2001-0077396 2001-12-07
PCT/KR2002/002304 WO2003049494A1 (en) 2001-12-07 2002-12-07 Optical microphone

Publications (1)

Publication Number Publication Date
AU2002365780A1 true AU2002365780A1 (en) 2003-06-17

Family

ID=19716774

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002365780A Abandoned AU2002365780A1 (en) 2001-12-07 2002-12-07 Optical microphone

Country Status (3)

Country Link
KR (1) KR100437142B1 (en)
AU (1) AU2002365780A1 (en)
WO (1) WO2003049494A1 (en)

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Also Published As

Publication number Publication date
WO2003049494A9 (en) 2004-05-13
KR100437142B1 (en) 2004-06-25
WO2003049494A1 (en) 2003-06-12
KR20030047025A (en) 2003-06-18

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase