SE9402871L - Elektroakustisk omvandlare - Google Patents

Elektroakustisk omvandlare

Info

Publication number
SE9402871L
SE9402871L SE9402871A SE9402871A SE9402871L SE 9402871 L SE9402871 L SE 9402871L SE 9402871 A SE9402871 A SE 9402871A SE 9402871 A SE9402871 A SE 9402871A SE 9402871 L SE9402871 L SE 9402871L
Authority
SE
Sweden
Prior art keywords
sound
pct
elongated
date
sec
Prior art date
Application number
SE9402871A
Other languages
Unknown language ( )
English (en)
Other versions
SE9402871D0 (sv
SE503180C2 (sv
Inventor
Bo Bengtsson
Original Assignee
Centara Patent Ab
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 Centara Patent Ab filed Critical Centara Patent Ab
Priority to SE9402871A priority Critical patent/SE503180C2/sv
Publication of SE9402871D0 publication Critical patent/SE9402871D0/sv
Priority to US08/793,175 priority patent/US5912863A/en
Priority to EP95930770A priority patent/EP0777952A1/en
Priority to AU34028/95A priority patent/AU709172B2/en
Priority to PCT/SE1995/000971 priority patent/WO1996007294A1/en
Priority to CA002198734A priority patent/CA2198734A1/en
Priority to JP8508668A priority patent/JPH10511234A/ja
Publication of SE9402871L publication Critical patent/SE9402871L/sv
Publication of SE503180C2 publication Critical patent/SE503180C2/sv
Priority to FI970838A priority patent/FI970838A0/sv
Priority to NO970883A priority patent/NO970883L/no

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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/08—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers separated by air or other fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
SE9402871A 1994-08-29 1994-08-29 Elektroakustisk omvandlare SE503180C2 (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE9402871A SE503180C2 (sv) 1994-08-29 1994-08-29 Elektroakustisk omvandlare
JP8508668A JPH10511234A (ja) 1994-08-29 1995-08-29 電気音響変換器
PCT/SE1995/000971 WO1996007294A1 (en) 1994-08-29 1995-08-29 Electro-acoustic transducer
EP95930770A EP0777952A1 (en) 1994-08-29 1995-08-29 Electro-acoustic transducer
AU34028/95A AU709172B2 (en) 1994-08-29 1995-08-29 Electro-acoustic transducer
US08/793,175 US5912863A (en) 1994-08-29 1995-08-29 Electro-acoustic transducer
CA002198734A CA2198734A1 (en) 1994-08-29 1995-08-29 Electro-acoustic transducer
FI970838A FI970838A0 (sv) 1994-08-29 1997-02-27 Elektroakustisk omvandlare
NO970883A NO970883L (no) 1994-08-29 1997-02-27 Elektroakustisk transduser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9402871A SE503180C2 (sv) 1994-08-29 1994-08-29 Elektroakustisk omvandlare

Publications (3)

Publication Number Publication Date
SE9402871D0 SE9402871D0 (sv) 1994-08-29
SE9402871L true SE9402871L (sv) 1996-03-01
SE503180C2 SE503180C2 (sv) 1996-04-15

Family

ID=20395054

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9402871A SE503180C2 (sv) 1994-08-29 1994-08-29 Elektroakustisk omvandlare

Country Status (9)

Country Link
US (1) US5912863A (sv)
EP (1) EP0777952A1 (sv)
JP (1) JPH10511234A (sv)
AU (1) AU709172B2 (sv)
CA (1) CA2198734A1 (sv)
FI (1) FI970838A0 (sv)
NO (1) NO970883L (sv)
SE (1) SE503180C2 (sv)
WO (1) WO1996007294A1 (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19757099A1 (de) * 1997-12-20 1999-06-24 Nokia Deutschland Gmbh Kontaktierung für eine Schallwiedergabeanordnung nach dem Biegewellenprinzip
SE0001461L (sv) * 2000-04-18 2001-10-19 Erik Liljehag Elektroakustisk omvandlare
US8031901B2 (en) * 2006-09-14 2011-10-04 Bohlender Graebener Corporation Planar speaker driver
US8116512B2 (en) 2006-09-14 2012-02-14 Bohlender Graebener Corporation Planar speaker driver
US8000170B2 (en) 2008-11-20 2011-08-16 Analog Devices, Inc. Systems and methods for acoustic beamforming using discrete or continuous speaker arrays

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3636278A (en) * 1969-02-19 1972-01-18 Heil Scient Lab Inc Acoustic transducer with a diaphragm forming a plurality of adjacent narrow air spaces open only at one side with the open sides of adjacent air spaces alternatingly facing in opposite directions
CA1067201A (en) * 1974-11-25 1979-11-27 Oskar Heil Low frequency electro-acoustic transducer
US4703510A (en) * 1982-06-17 1987-10-27 Larson David A Electro-acoustic transducer with diaphragm and blank therefor
US4837838A (en) * 1987-03-30 1989-06-06 Eminent Technology, Inc. Electromagnetic transducer of improved efficiency
US4792978A (en) * 1987-08-28 1988-12-20 Marquiss Stanley L Planar loudspeaker system
US5003610A (en) * 1988-04-14 1991-03-26 Fostex Corporation Whole surface driven speaker

Also Published As

Publication number Publication date
FI970838A (sv) 1997-02-27
SE9402871D0 (sv) 1994-08-29
WO1996007294A1 (en) 1996-03-07
AU709172B2 (en) 1999-08-26
SE503180C2 (sv) 1996-04-15
NO970883D0 (no) 1997-02-27
EP0777952A1 (en) 1997-06-11
US5912863A (en) 1999-06-15
FI970838A0 (sv) 1997-02-27
NO970883L (no) 1997-04-16
JPH10511234A (ja) 1998-10-27
CA2198734A1 (en) 1996-03-07
AU3402895A (en) 1996-03-22

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