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Class Information
Number: 381/386
Name: Electrical audio signal processing systems and devices > Electro-acoustic audio transducer > Mounting or support feature of housed loudspeaker
Description: Subject matter having a) a transducer for converting a time varying electrical signal into sound combined with an enclosure, casing, shell, or baffle, or b) details of the fastening of such a transducer to or within an enclosure, casing, shell, or baffle, or c) means to hold an enclosed transducer for or during use.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6687380 |
Active sub-woofer speaker system |
Feb. 3, 2004 |
| 6681024 |
Device including a built-in electroacoustic transducer for optimum speech reproduction |
Jan. 20, 2004 |
| 6678384 |
Speaker structure |
Jan. 13, 2004 |
| 6668063 |
Electrical apparatus with electro-acoustic transducer |
Dec. 23, 2003 |
| 6661902 |
Loudspeaker with a front-mounted sealing element and method of manufacturing the same |
Dec. 9, 2003 |
| 6658132 |
Waterproof cover for housing in hospital bed containing speaker or electronic components |
Dec. 2, 2003 |
| 6658131 |
Loudspeaker concealment system |
Dec. 2, 2003 |
| 6639991 |
Electroacoustic transducer |
Oct. 28, 2003 |
| 6628799 |
Loudspeaker system |
Sep. 30, 2003 |
| 6628792 |
Back to back mounted compound woofer with compression/bandpass loading |
Sep. 30, 2003 |
| 6606392 |
Speaker device |
Aug. 12, 2003 |
| 6588543 |
Spring-loaded dog assembly which enables a bezel of a speaker system and structure holding electric device to be mounted in ceilings and walls without having to use external retaining means |
Jul. 8, 2003 |
| 6580801 |
Loudspeaker apparatus |
Jun. 17, 2003 |
| 6577741 |
Method and article of manufacture to align and reinforce a driver's installation irrespective of driver diameter |
Jun. 10, 2003 |
| 6526150 |
Telephone loudspeaker enclosure |
Feb. 25, 2003 |
| 6516072 |
Loudspeaker |
Feb. 4, 2003 |
| 6516071 |
Structure of a picture-frame type loudspeaker |
Feb. 4, 2003 |
| 6512834 |
Acoustic protective cover assembly |
Jan. 28, 2003 |
| 6505705 |
Compact vehicular loudspeaker with dual-standard mounting system |
Jan. 14, 2003 |
| 6504939 |
Loudspeaker system |
Jan. 7, 2003 |
| 6504940 |
Connecting device for connecting a sound producing device to an electronic equipment |
Jan. 7, 2003 |
| 6490362 |
External ear speaker ear-hook boom microphone |
Dec. 3, 2002 |
| 6487298 |
Microphone stand sound monitor |
Nov. 26, 2002 |
| 6480613 |
Loudspeaker stand |
Nov. 12, 2002 |
| 6463160 |
Low profile loudspeaker assembly |
Oct. 8, 2002 |
| 6445806 |
Tuned elastic loudspeaker enclosure |
Sep. 3, 2002 |
| 6438249 |
Open back acoustic speaker module |
Aug. 20, 2002 |
| 6427016 |
Acoustic devices |
Jul. 30, 2002 |
| 6427019 |
Speaker Assembly |
Jul. 30, 2002 |
| 6418231 |
High back EMF, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround |
Jul. 9, 2002 |
| 6394224 |
Structure of speaker |
May. 28, 2002 |
| 6393132 |
Speaker |
May. 21, 2002 |
| 6389147 |
Audio system for multipurpose automotive vehicles having a rear opening panel |
May. 14, 2002 |
| 6389141 |
Combination of a speaker case and a connector for connecting two speaker cases |
May. 14, 2002 |
| 6385326 |
Quick-detachable structure for on-wall speaker panel |
May. 7, 2002 |
| 6374120 |
Acoustic guide for audio transducers |
Apr. 16, 2002 |
| 6349142 |
Structure of speaker use on ship |
Feb. 19, 2002 |
| 6343135 |
Retractable speaker assembly for a partition |
Jan. 29, 2002 |
| 6335974 |
Speaker system for television receiver with sound ducts and perforated panels |
Jan. 1, 2002 |
| 6335975 |
Rainproof and omnidirectional loudspeaker system |
Jan. 1, 2002 |
| 6320971 |
Speaker system and a method for improving sound quality thereof |
Nov. 20, 2001 |
| 6307947 |
Low profile speaker enclosure |
Oct. 23, 2001 |
| 6304661 |
Loudspeakers comprising panel-form acoustic radiating elements |
Oct. 16, 2001 |
| 6298249 |
Radio apparatus head-protective helmet |
Oct. 2, 2001 |
| 6292573 |
Portable communication device with collapsible speaker enclosure |
Sep. 18, 2001 |
| 6282297 |
Angle adjustment structure for speaker system |
Aug. 28, 2001 |
| 6258438 |
Vehicle shelf trim panel with insert molded speaker grille |
Jul. 10, 2001 |
| 6243260 |
Retractable speakers for portable computer |
Jun. 5, 2001 |
| 6219430 |
Electronic appliance with loudspeaker unit |
Apr. 17, 2001 |
| 6215883 |
Loudspeaker with movable virtual point source |
Apr. 10, 2001 |
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