DE69434568D1 - Mikrofonsystem für telekonferenzsystem - Google Patents

Mikrofonsystem für telekonferenzsystem

Info

Publication number
DE69434568D1
DE69434568D1 DE69434568T DE69434568T DE69434568D1 DE 69434568 D1 DE69434568 D1 DE 69434568D1 DE 69434568 T DE69434568 T DE 69434568T DE 69434568 T DE69434568 T DE 69434568T DE 69434568 D1 DE69434568 D1 DE 69434568D1
Authority
DE
Germany
Prior art keywords
teleconference
microphone
microphone system
teleconference system
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
DE69434568T
Other languages
English (en)
Other versions
DE69434568T2 (de
Inventor
Lee Chu
F Barton
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.)
Polycom Inc
Original Assignee
Polycom 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 Polycom Inc filed Critical Polycom Inc
Application granted granted Critical
Publication of DE69434568D1 publication Critical patent/DE69434568D1/de
Publication of DE69434568T2 publication Critical patent/DE69434568T2/de
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
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • 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
    • H04R2201/401—2D or 3D arrays of transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
DE69434568T 1993-10-05 1994-10-03 Mikrofonsystem für telekonferenzsystem Expired - Lifetime DE69434568T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/132,032 US5664021A (en) 1993-10-05 1993-10-05 Microphone system for teleconferencing system
US132032 1993-10-05
PCT/US1994/011205 WO1995010164A1 (en) 1993-10-05 1994-10-03 Microphone system for teleconferencing system

Publications (2)

Publication Number Publication Date
DE69434568D1 true DE69434568D1 (de) 2006-01-12
DE69434568T2 DE69434568T2 (de) 2006-08-03

Family

ID=22452134

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69434568T Expired - Lifetime DE69434568T2 (de) 1993-10-05 1994-10-03 Mikrofonsystem für telekonferenzsystem

Country Status (5)

Country Link
US (2) US5664021A (de)
EP (1) EP0723733B1 (de)
JP (1) JP3321170B2 (de)
DE (1) DE69434568T2 (de)
WO (1) WO1995010164A1 (de)

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Also Published As

Publication number Publication date
EP0723733A4 (de) 1997-11-05
JPH09505699A (ja) 1997-06-03
DE69434568T2 (de) 2006-08-03
US5664021A (en) 1997-09-02
EP0723733A1 (de) 1996-07-31
EP0723733B1 (de) 2005-12-07
JP3321170B2 (ja) 2002-09-03
US5787183A (en) 1998-07-28
WO1995010164A1 (en) 1995-04-13

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