SE9801413L - Elektroakustisk omvandlare med elektriskt ledande membran - Google Patents
Elektroakustisk omvandlare med elektriskt ledande membranInfo
- Publication number
- SE9801413L SE9801413L SE9801413A SE9801413A SE9801413L SE 9801413 L SE9801413 L SE 9801413L SE 9801413 A SE9801413 A SE 9801413A SE 9801413 A SE9801413 A SE 9801413A SE 9801413 L SE9801413 L SE 9801413L
- Authority
- SE
- Sweden
- Prior art keywords
- membrane
- gap
- elongated
- pole pieces
- magnetic
- Prior art date
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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane
- H04R9/048—Construction in which the windings of the moving coil lay in the same plane of the ribbon type
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9801413A SE9801413L (sv) | 1998-04-22 | 1998-04-22 | Elektroakustisk omvandlare med elektriskt ledande membran |
PCT/SE1999/000654 WO1999055118A1 (en) | 1998-04-22 | 1999-04-22 | Electro-acoustic transducer with electrically conducting membrane |
AU42999/99A AU4299999A (en) | 1998-04-22 | 1999-04-22 | Electro-acoustic transducer with electrically conducting membrane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9801413A SE9801413L (sv) | 1998-04-22 | 1998-04-22 | Elektroakustisk omvandlare med elektriskt ledande membran |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9801413D0 SE9801413D0 (sv) | 1998-04-22 |
SE9801413L true SE9801413L (sv) | 1999-10-23 |
Family
ID=20411055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9801413A SE9801413L (sv) | 1998-04-22 | 1998-04-22 | Elektroakustisk omvandlare med elektriskt ledande membran |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU4299999A (sv) |
SE (1) | SE9801413L (sv) |
WO (1) | WO1999055118A1 (sv) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6834113B1 (en) | 2000-03-03 | 2004-12-21 | Erik Liljehag | Loudspeaker system |
SE0001461L (sv) * | 2000-04-18 | 2001-10-19 | Erik Liljehag | Elektroakustisk omvandlare |
US7894619B2 (en) * | 2004-10-21 | 2011-02-22 | Shure Incorporated | Acoustic ribbon transducer arrangements |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4384173A (en) * | 1980-08-01 | 1983-05-17 | Granus Corporation | Electromagnetic planar diaphragm transducer |
US5283836A (en) * | 1989-09-22 | 1994-02-01 | Trufitt Anthony L | Planar speakers |
US5430805A (en) * | 1990-12-27 | 1995-07-04 | Chain Reactions, Inc. | Planar electromagnetic transducer |
-
1998
- 1998-04-22 SE SE9801413A patent/SE9801413L/sv not_active Application Discontinuation
-
1999
- 1999-04-22 WO PCT/SE1999/000654 patent/WO1999055118A1/en active Application Filing
- 1999-04-22 AU AU42999/99A patent/AU4299999A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO1999055118A1 (en) | 1999-10-28 |
SE9801413D0 (sv) | 1998-04-22 |
AU4299999A (en) | 1999-11-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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