GB2301507B - Electromagnetic loudspeaker - Google Patents
Electromagnetic loudspeakerInfo
- Publication number
- GB2301507B GB2301507B GB9617999A GB9617999A GB2301507B GB 2301507 B GB2301507 B GB 2301507B GB 9617999 A GB9617999 A GB 9617999A GB 9617999 A GB9617999 A GB 9617999A GB 2301507 B GB2301507 B GB 2301507B
- Authority
- GB
- United Kingdom
- Prior art keywords
- electromagnetic loudspeaker
- loudspeaker
- electromagnetic
- 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 - Fee Related
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
- 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
-
- 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
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/24—Tensioning by means acting directly on free portions of diaphragm or cone
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9617999A GB2301507B (en) | 1994-03-08 | 1995-02-28 | Electromagnetic loudspeaker |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9404585A GB9404585D0 (en) | 1994-03-08 | 1994-03-08 | Loudspeaker |
PCT/GB1995/000424 WO1995024815A1 (en) | 1994-03-08 | 1995-02-28 | Electromagnetic loudspeaker |
GB9617999A GB2301507B (en) | 1994-03-08 | 1995-02-28 | Electromagnetic loudspeaker |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9617999D0 GB9617999D0 (en) | 1996-10-09 |
GB2301507A GB2301507A (en) | 1996-12-04 |
GB2301507B true GB2301507B (en) | 1997-11-19 |
Family
ID=26304462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9617999A Expired - Fee Related GB2301507B (en) | 1994-03-08 | 1995-02-28 | Electromagnetic loudspeaker |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2301507B (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB468624A (en) * | 1934-12-03 | 1937-07-05 | Joseph Massolle G M B H | Improvements in or relating to electrostatic sound receivers and reproducers |
DE1161591B (en) * | 1962-08-14 | 1964-01-23 | Isophon Werke G M B H | Static speaker |
US3674946A (en) * | 1970-12-23 | 1972-07-04 | Magnepan Inc | Electromagnetic transducer |
FR2335118A1 (en) * | 1975-12-11 | 1977-07-08 | Rank Organisation Ltd | ELECTRO-ACOUSTIC TRANSDUCER, ESPECIALLY FOR SPEAKER AND EARPHONES |
US4081626A (en) * | 1976-11-12 | 1978-03-28 | Polaroid Corporation | Electrostatic transducer having narrowed directional characteristic |
US4480155A (en) * | 1982-03-01 | 1984-10-30 | Magnepan, Inc. | Diaphragm type magnetic transducer |
JPS6390300A (en) * | 1986-10-03 | 1988-04-21 | Matsushita Electric Ind Co Ltd | Diaphragm for speaker |
US4803733A (en) * | 1986-12-16 | 1989-02-07 | Carver R W | Loudspeaker diaphragm mounting system and method |
-
1995
- 1995-02-28 GB GB9617999A patent/GB2301507B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB468624A (en) * | 1934-12-03 | 1937-07-05 | Joseph Massolle G M B H | Improvements in or relating to electrostatic sound receivers and reproducers |
DE1161591B (en) * | 1962-08-14 | 1964-01-23 | Isophon Werke G M B H | Static speaker |
US3674946A (en) * | 1970-12-23 | 1972-07-04 | Magnepan Inc | Electromagnetic transducer |
FR2335118A1 (en) * | 1975-12-11 | 1977-07-08 | Rank Organisation Ltd | ELECTRO-ACOUSTIC TRANSDUCER, ESPECIALLY FOR SPEAKER AND EARPHONES |
US4081626A (en) * | 1976-11-12 | 1978-03-28 | Polaroid Corporation | Electrostatic transducer having narrowed directional characteristic |
US4480155A (en) * | 1982-03-01 | 1984-10-30 | Magnepan, Inc. | Diaphragm type magnetic transducer |
JPS6390300A (en) * | 1986-10-03 | 1988-04-21 | Matsushita Electric Ind Co Ltd | Diaphragm for speaker |
US4803733A (en) * | 1986-12-16 | 1989-02-07 | Carver R W | Loudspeaker diaphragm mounting system and method |
Also Published As
Publication number | Publication date |
---|---|
GB2301507A (en) | 1996-12-04 |
GB9617999D0 (en) | 1996-10-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19990228 |