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DE69535555D1 - Schallwandler mit verbessertem niedrigem frequenzgang - Google Patents

Schallwandler mit verbessertem niedrigem frequenzgang

Info

Publication number
DE69535555D1
DE69535555D1 DE69535555T DE69535555T DE69535555D1 DE 69535555 D1 DE69535555 D1 DE 69535555D1 DE 69535555 T DE69535555 T DE 69535555T DE 69535555 T DE69535555 T DE 69535555T DE 69535555 D1 DE69535555 D1 DE 69535555D1
Authority
DE
Germany
Prior art keywords
diaphragm
perforated member
low frequency
variation
improved low
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
DE69535555T
Other languages
English (en)
Inventor
Jonathan J Bernstein
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.)
Charles Stark Draper Laboratory Inc
Original Assignee
Charles Stark Draper Laboratory Inc
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 Charles Stark Draper Laboratory Inc filed Critical Charles Stark Draper Laboratory Inc
Application granted granted Critical
Publication of DE69535555D1 publication Critical patent/DE69535555D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00Electrostatic transducers
    • H04R19/005Electrostatic transducers using semiconductor materials
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00Electrostatic transducers
    • H04R19/04Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Measuring Fluid Pressure (AREA)
DE69535555T 1994-08-12 1995-06-12 Schallwandler mit verbessertem niedrigem frequenzgang Expired - Lifetime DE69535555D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/289,689 US5452268A (en) 1994-08-12 1994-08-12 Acoustic transducer with improved low frequency response
PCT/US1995/007520 WO1996005711A1 (en) 1994-08-12 1995-06-12 Acoustic transducer with improved low frequency response

Publications (1)

Publication Number Publication Date
DE69535555D1 true DE69535555D1 (de) 2007-09-20

Family

ID=23112653

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69535555T Expired - Lifetime DE69535555D1 (de) 1994-08-12 1995-06-12 Schallwandler mit verbessertem niedrigem frequenzgang

Country Status (9)

Country Link
US (1) US5452268A (de)
EP (1) EP0775434B1 (de)
JP (1) JPH09508777A (de)
KR (1) KR100232420B1 (de)
AT (1) ATE369719T1 (de)
AU (1) AU2827195A (de)
CA (1) CA2197197C (de)
DE (1) DE69535555D1 (de)
WO (1) WO1996005711A1 (de)

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EP0775434B1 (de) 2007-08-08
EP0775434A4 (de) 2002-11-27
AU2827195A (en) 1996-03-07
EP0775434A1 (de) 1997-05-28
KR970705325A (ko) 1997-09-06
ATE369719T1 (de) 2007-08-15
CA2197197A1 (en) 1996-02-22
JPH09508777A (ja) 1997-09-02
US5452268A (en) 1995-09-19
WO1996005711A1 (en) 1996-02-22
CA2197197C (en) 1999-02-23

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