FI20040363A - Speaker - Google Patents
Speaker Download PDFInfo
- Publication number
- FI20040363A FI20040363A FI20040363A FI20040363A FI20040363A FI 20040363 A FI20040363 A FI 20040363A FI 20040363 A FI20040363 A FI 20040363A FI 20040363 A FI20040363 A FI 20040363A FI 20040363 A FI20040363 A FI 20040363A
- Authority
- FI
- Finland
- Prior art keywords
- speaker
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/02—Loudspeakers
-
- 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
- H04R9/022—Cooling arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20040363A FI20040363A (en) | 2004-03-05 | 2004-03-05 | Speaker |
PCT/FI2005/000092 WO2005086531A1 (en) | 2004-03-05 | 2005-02-14 | Loudspeaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20040363A FI20040363A (en) | 2004-03-05 | 2004-03-05 | Speaker |
Publications (2)
Publication Number | Publication Date |
---|---|
FI20040363A0 FI20040363A0 (en) | 2004-03-05 |
FI20040363A true FI20040363A (en) | 2005-09-06 |
Family
ID=32039387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20040363A FI20040363A (en) | 2004-03-05 | 2004-03-05 | Speaker |
Country Status (2)
Country | Link |
---|---|
FI (1) | FI20040363A (en) |
WO (1) | WO2005086531A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2259222A (en) * | 1991-08-30 | 1993-03-03 | Marconi Gec Ltd | Underwater acoustic projector |
CN100584107C (en) * | 1998-01-16 | 2010-01-20 | 索尼公司 | Speaker apparatus and electronic apparatus having speaker apparatus enclosed therein |
EP1170977A1 (en) * | 2000-07-04 | 2002-01-09 | Tai-Yan Kam | Laminated composite panel-form loudspeaker |
US7010143B2 (en) * | 2002-08-22 | 2006-03-07 | Tai-Yan Kam | Rectangular panel-form loudspeaker and its radiating panel |
TWI221747B (en) * | 2003-05-19 | 2004-10-01 | Tai-Yan Kam | Piston-form flat loudspeaker and its acoustic panel |
-
2004
- 2004-03-05 FI FI20040363A patent/FI20040363A/en not_active Application Discontinuation
-
2005
- 2005-02-14 WO PCT/FI2005/000092 patent/WO2005086531A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
FI20040363A0 (en) | 2004-03-05 |
WO2005086531A1 (en) | 2005-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |