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Class Information
Number: 381/345
Name: Electrical audio signal processing systems and devices > Electro-acoustic audio transducer > Having acoustic wave modifying structure > Acoustic enclosure
Description: Subject matter including a housing surrounding the electro-acoustic transducer wherein the housing is specifically configured to modify characteristics of sound emitted or received by the transducer.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6675932 |
Speaker housing configured to minimize standing waves and resonate above the frequency range of transducers |
Jan. 13, 2004 |
| 6668063 |
Electrical apparatus with electro-acoustic transducer |
Dec. 23, 2003 |
| 6665412 |
Speaker device |
Dec. 16, 2003 |
| 6665413 |
Infrasonic Helmholtz resonator |
Dec. 16, 2003 |
| 6636610 |
Loudspeaker systems |
Oct. 21, 2003 |
| 6628799 |
Loudspeaker system |
Sep. 30, 2003 |
| 6628797 |
Loudspeaker-and-pre-stressed cabinet |
Sep. 30, 2003 |
| 6625292 |
Ported loudspeaker enclosure |
Sep. 23, 2003 |
| 6625291 |
Diffused resonance loudspeaker enclosure method |
Sep. 23, 2003 |
| 6625289 |
Stereo loudspeaker system |
Sep. 23, 2003 |
| 6609589 |
Speaker enclosure and mounting method for isolating and insulating faceplate and heavy speakers from surrounding mounting surface |
Aug. 26, 2003 |
| 6550570 |
Speaker enclosure and mounting method for isolating and insulating faceplate and speakers from a surrounding mounting surface |
Apr. 22, 2003 |
| 6553124 |
Acoustic device |
Apr. 22, 2003 |
| 6526150 |
Telephone loudspeaker enclosure |
Feb. 25, 2003 |
| 6522759 |
Speaker |
Feb. 18, 2003 |
| 6513622 |
Full-range loudspeaker system for cinema screen |
Feb. 4, 2003 |
| 6504939 |
Loudspeaker system |
Jan. 7, 2003 |
| 6493456 |
Thin speaker assemblies including laterally offset resonator cavities and personal electronic devices including the same |
Dec. 10, 2002 |
| 6493455 |
Subwoofer assembly |
Dec. 10, 2002 |
| 6490361 |
Apparatus having a housing which accommodates a sound transducer and which has a passage |
Dec. 3, 2002 |
| 6487297 |
Structure of a loudspeaker |
Nov. 26, 2002 |
| 6470088 |
Vented loudspeaker enclosure with limited driver radiation |
Oct. 22, 2002 |
| 6445806 |
Tuned elastic loudspeaker enclosure |
Sep. 3, 2002 |
| 6442194 |
Digital telephone transmitter/receiver |
Aug. 27, 2002 |
| 6434240 |
Sound isolation cabinet using two sound sources to generate complimentary sound waves |
Aug. 13, 2002 |
| 6430297 |
Speaker and speaker device |
Aug. 6, 2002 |
| 6411720 |
Speaker systems with lower frequency of resonance |
Jun. 25, 2002 |
| 6411719 |
Loudspeaker assembly |
Jun. 25, 2002 |
| 6389146 |
Acoustically asymmetric bandpass loudspeaker with multiple acoustic filters |
May. 14, 2002 |
| 6389145 |
Methods and apparatus for controlling the output of moving armature transducers |
May. 14, 2002 |
| 6385324 |
Broadband loudspeaker |
May. 7, 2002 |
| 6385326 |
Quick-detachable structure for on-wall speaker panel |
May. 7, 2002 |
| 6381337 |
Sound reproduction device or microphone |
Apr. 30, 2002 |
| 6377696 |
Loudspeaker systems |
Apr. 23, 2002 |
| 6351542 |
Loudspeakers with panel-form acoustic radiating elements |
Feb. 26, 2002 |
| 6343135 |
Retractable speaker assembly for a partition |
Jan. 29, 2002 |
| 6324292 |
Speaker apparatus |
Nov. 27, 2001 |
| 6307947 |
Low profile speaker enclosure |
Oct. 23, 2001 |
| 6275597 |
Loudspeaker system having a bass-reflex port |
Aug. 14, 2001 |
| 6243477 |
Audio system with partitioned input and output compartments |
Jun. 5, 2001 |
| 6219430 |
Electronic appliance with loudspeaker unit |
Apr. 17, 2001 |
| 6215885 |
Audio speaker |
Apr. 10, 2001 |
| 6212284 |
Sound reproduction device |
Apr. 3, 2001 |
| 6205229 |
Television having a device for preventing vibration of speaker |
Mar. 20, 2001 |
| 6173064 |
Isolation/damping mounting system for loudspeaker crossover network |
Jan. 9, 2001 |
| 6169811 |
Bandpass loudspeaker system |
Jan. 2, 2001 |
| 6160897 |
Apparatus for operation in an on-ear mode and an off-ear mode |
Dec. 12, 2000 |
| 6158902 |
Boundary layer microphone |
Dec. 12, 2000 |
| 6148088 |
Speaker system |
Nov. 14, 2000 |
| 6144752 |
Speaker cabinet apparatus |
Nov. 7, 2000 |
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