DE20104724U1 - Acoustic membrane made of carbon fibers for planar membrane speakers - Google Patents
Acoustic membrane made of carbon fibers for planar membrane speakersInfo
- Publication number
- DE20104724U1 DE20104724U1 DE20104724U DE20104724U DE20104724U1 DE 20104724 U1 DE20104724 U1 DE 20104724U1 DE 20104724 U DE20104724 U DE 20104724U DE 20104724 U DE20104724 U DE 20104724U DE 20104724 U1 DE20104724 U1 DE 20104724U1
- Authority
- DE
- Germany
- Prior art keywords
- carbon fiber
- layer
- fiber layer
- vibration damping
- structure according
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Laminated Bodies (AREA)
Description
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically
Claims (11)
eine untere Kohlenstoffaserschicht (32); und
eine obere Kohlenstoffaserschicht (31), die auf der unteren Kohlenstoffaserschicht (32) angeordnet ist,
dadurch gekennzeichnet, daß die Fasern (310) der oberen Kohlenstoffaserschicht (31) und die Fasern (320) der unteren Kohlenstoffaserschicht (32) parallel zueinander verlaufen.1. A structure of an acoustic diaphragm ( 30 , 40 , 50 ) suitable for use in a planar diaphragm speaker, comprising:
a lower carbon fiber layer ( 32 ); and
an upper carbon fiber layer ( 31 ) arranged on the lower carbon fiber layer ( 32 ),
characterized in that the fibers ( 310 ) of the upper carbon fiber layer ( 31 ) and the fibers ( 320 ) of the lower carbon fiber layer ( 32 ) run parallel to one another.
eine untere Kohlenstoffaserschicht (32), die eine erste Faserrichtung (320) aufweist;
eine erste Schwingungsdämpfschicht (41), die auf der unteren Kohlensfoffaser schicht (32) angeordnet ist; und
eine obere Kohlenstoffaserschicht (31), die auf der unteren Kohlenstoffaserschicht (32) angeordnet ist und eine zweite Faserrichtung (310) aufweist,
dadurch gekennzeichnet, daß die erste Faserrichtung (320) und die zweite Faserrichtung (310) parallel zueinander verlaufen.7. A structure of an acoustic diaphragm ( 30 , 40 , 50 ) suitable for use in a planar diaphragm speaker, comprising:
a lower carbon fiber layer ( 32 ) having a first fiber direction ( 320 );
a first vibration damping layer ( 41 ) which is arranged on the lower carbon fiber layer ( 32 ); and
an upper carbon fiber layer ( 31 ) which is arranged on the lower carbon fiber layer ( 32 ) and has a second fiber direction ( 310 ),
characterized in that the first fiber direction ( 320 ) and the second fiber direction ( 310 ) run parallel to one another.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20104724U DE20104724U1 (en) | 2001-03-19 | 2001-03-19 | Acoustic membrane made of carbon fibers for planar membrane speakers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20104724U DE20104724U1 (en) | 2001-03-19 | 2001-03-19 | Acoustic membrane made of carbon fibers for planar membrane speakers |
Publications (1)
Publication Number | Publication Date |
---|---|
DE20104724U1 true DE20104724U1 (en) | 2001-07-05 |
Family
ID=7954502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20104724U Expired - Lifetime DE20104724U1 (en) | 2001-03-19 | 2001-03-19 | Acoustic membrane made of carbon fibers for planar membrane speakers |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE20104724U1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1276348A1 (en) * | 2001-07-14 | 2003-01-15 | Lin Tung-Siang | Method for forming carbon fiber layers for an acoustic diaphragm |
DE102009040982A1 (en) * | 2009-09-09 | 2011-03-10 | CICADA Technologies GbR (Vertretungsberechtigter Gesellschafter: Andreas Müller, 10825 Berlin) | Acoustic transducer and method for generating and / or receiving sound waves, movable member for an acoustic transducer and arrangement for moving a movable member of an acoustic transducer |
-
2001
- 2001-03-19 DE DE20104724U patent/DE20104724U1/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1276348A1 (en) * | 2001-07-14 | 2003-01-15 | Lin Tung-Siang | Method for forming carbon fiber layers for an acoustic diaphragm |
DE102009040982A1 (en) * | 2009-09-09 | 2011-03-10 | CICADA Technologies GbR (Vertretungsberechtigter Gesellschafter: Andreas Müller, 10825 Berlin) | Acoustic transducer and method for generating and / or receiving sound waves, movable member for an acoustic transducer and arrangement for moving a movable member of an acoustic transducer |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 20010809 |
|
R150 | Term of protection extended to 6 years |
Effective date: 20040513 |
|
R151 | Term of protection extended to 8 years |
Effective date: 20070420 |
|
R081 | Change of applicant/patentee |
Owner name: NEOSONICA TECHNOLOGIES INC., TW Free format text: FORMER OWNER: TUNG-SIANG LIN,CHAO-HSIEN LIN, , TW Effective date: 20070615 |
|
R158 | Lapse of ip right after 8 years |
Effective date: 20091001 |