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Class Information
Number: 181/169
Name: Acoustics > Diaphragm > Critically defined material or coating > Fibrous material
Description: Subject matter wherein the material of which the diaphragm is made consists of or includes fibers.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7582191 |
Process for producing loudspeaker diaphragm, loudspeaker diaphragm produced by the process, and loudspeaker with the diaphragm |
Sep. 1, 2009 |
| 7527124 |
Loudspeaker diaphragm |
May. 5, 2009 |
| 7467686 |
Speaker diaphragms, manufacturing methods of the same, and dynamic speakers |
Dec. 23, 2008 |
| 7344001 |
Speaker diaphragm and speaker structure |
Mar. 18, 2008 |
| 7311174 |
Cloth for loudspeaker diaphragm, loudspeaker diaphragm, and loudspeaker |
Dec. 25, 2007 |
| 7118649 |
Device and method for manufacturing speaker diaphragm, the diaphragm, and speaker |
Oct. 10, 2006 |
| 6956957 |
Loudspeakers |
Oct. 18, 2005 |
| 6871724 |
Electroacoustic transducer frame and method of making the same |
Mar. 29, 2005 |
| 6845169 |
Speaker parts and method of manufacturing same |
Jan. 18, 2005 |
| 6814181 |
Electrically conductive damper device for speaker |
Nov. 9, 2004 |
| 6790506 |
Carbon fiber layer for acoustic diaphragm |
Sep. 14, 2004 |
| 6742622 |
Molded foam resin, process for forming the same and speaker diaphragm consisting of the same |
Jun. 1, 2004 |
| 6740202 |
Speaker diaphragm and method of manufacturing same |
May. 25, 2004 |
| 6590993 |
Panel-shaped loudspeaker |
Jul. 8, 2003 |
| 6585076 |
Cardable fiber blend and a moldable fiber batt and the process for making a moldable fiber batt |
Jul. 1, 2003 |
| 6554962 |
Loudspeaker diaphragm |
Apr. 29, 2003 |
| 6390232 |
Speaker cone assembly |
May. 21, 2002 |
| 6378649 |
Speaker member and manufacturing method thereof |
Apr. 30, 2002 |
| 6334504 |
Molded foam resin, process for forming the same and speaker diaphragm consisting of the same |
Jan. 1, 2002 |
| 6332508 |
Loudspeaker and method for producing the same |
Dec. 25, 2001 |
| 6237716 |
Standard-sized vibrating diaphragm speaker structure |
May. 29, 2001 |
| 6148953 |
Loudspeaker component and resin composition therefor |
Nov. 21, 2000 |
| 6097829 |
Fiber-honeycomb-fiber sandwich speaker diaphragm and method |
Aug. 1, 2000 |
| 6039146 |
Method of manufacturing speaker diaphragm |
Mar. 21, 2000 |
| 6039145 |
Diaphragm-edge integral moldings for speakers, acoustic transducers comprising same and method for fabricating same |
Mar. 21, 2000 |
| 6037411 |
Acoustic vibrational material of fiber reinforcement with epoxy resin and epoxy-reactive polybutadiene |
Mar. 14, 2000 |
| 5920040 |
Speaker diaphragm |
Jul. 6, 1999 |
| 5903658 |
Loudspeaker and a method for producing the same |
May. 11, 1999 |
| 5878150 |
Damper for a loudspeaker and a method for producing the same |
Mar. 2, 1999 |
| 5875253 |
Loudspeaker and a method for producing the same |
Feb. 23, 1999 |
| 5796054 |
Loudspeaker diaphragm |
Aug. 18, 1998 |
| 5793002 |
Loudspeaker vibrating diaphragm and methods for its production |
Aug. 11, 1998 |
| 5744761 |
Diaphragm-edge integral moldings for speakers and acoustic transducers comprising same |
Apr. 28, 1998 |
| 5701359 |
Flat-panel speaker |
Dec. 23, 1997 |
| 5689093 |
Cone of a speaker |
Nov. 18, 1997 |
| 5663220 |
Acoustic vibrational material from fiber-reinforced polybutadiene-modified epoxy resin |
Sep. 2, 1997 |
| 5581053 |
Diaphragm of electroacoustic transducer and method of manufacturing the same |
Dec. 3, 1996 |
| 5473121 |
Acoustic vibration plate |
Dec. 5, 1995 |
| 5432004 |
Vibration plate of a speaker and method for producing same |
Jul. 11, 1995 |
| 5380960 |
Process for the preparation of films or diaphragms for acoustic applications |
Jan. 10, 1995 |
| 5329072 |
Acoustic diaphragm |
Jul. 12, 1994 |
| 5293009 |
Dust protection cap for conical loudspeaker |
Mar. 8, 1994 |
| 5274199 |
Acoustic diaphragm and method for producing same |
Dec. 28, 1993 |
| 5256837 |
Paper cone for cone type speaker |
Oct. 26, 1993 |
| 5241140 |
Speaker diaphragm |
Aug. 31, 1993 |
| 5206466 |
Diaphragm for speaker |
Apr. 27, 1993 |
| 5180785 |
Diaphragm and method for producing same |
Jan. 19, 1993 |
| 5102729 |
Speaker diaphragm |
Apr. 7, 1992 |
| 5080743 |
Process for preparation of a wholly carbonaceous diaphragm for acoustic equipment use |
Jan. 14, 1992 |
| 5031720 |
Speaker diaphragm |
Jul. 16, 1991 |
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