Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 381/87
Name: Electrical audio signal processing systems and devices > Having non-electrical feature (e.g., mounting)
Description: Subject matter including a mechanical adjunct or device such as a mounting means or a specific container for electrical components.


Sub-classes under this class:

Class Number Class Name Patents
381/332 And loudspeaker 94
381/91 Having microphone 130
381/89 Loudspeakers driven in given phase relationship 103


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7616770 Electro-acoustic apparatus Nov. 10, 2009
7613531 User aware audio playing apparatus and method Nov. 3, 2009
7605686 Alerting system for a communication device Oct. 20, 2009
7587059 Snap-in and lock baffle Sep. 8, 2009
7516932 Suspension system Apr. 14, 2009
7469052 Portable sound system, apparatus, and method Dec. 23, 2008
7418104 Speaker system Aug. 26, 2008
7415124 Low frequency surface array Aug. 19, 2008
7412267 Mobile device with a combination attachment and acoustic port Aug. 12, 2008
7388619 Mobile device with a combination camera and loudspeaker Jun. 17, 2008
7349207 Heat dissipating audio systems and methods thereof Mar. 25, 2008
7298863 In-vehicle speaker rotational mounting structure Nov. 20, 2007
7298860 Rigging system for line array speakers Nov. 20, 2007
7292706 Support structure of loudspeaker unit and loudspeaker system Nov. 6, 2007
7266210 Recessed speaker box and mount Sep. 4, 2007
7266204 Rearview mirror assemblies incorporating hands-free telephone components Sep. 4, 2007
7261180 Rigging system for speaker cabinets Aug. 28, 2007
7222207 Portable computing device-integrated appliance May. 22, 2007
7221772 Electronic device comprising a loudspeaker unit May. 22, 2007
7200000 Notebook with an audio player Apr. 3, 2007
7177438 Speaker for vehicle and mounting structure of the speaker Feb. 13, 2007
7162048 Structure around a speaker unit and applied electric or electronic apparatus thereof Jan. 9, 2007
7149321 Electro-dynamic loudspeaker mounting system Dec. 12, 2006
7130432 Speaker mounting system and method Oct. 31, 2006
7123726 Connecting cable for helmets Oct. 17, 2006
7120269 Lay-in tile speaker system Oct. 10, 2006
7117286 Portable computing device-integrated appliance Oct. 3, 2006
7100879 Speaker bracket Sep. 5, 2006
7095313 Meter apparatus for vehicles Aug. 22, 2006
7088836 Door with structural components configured to radiate acoustic Energy Aug. 8, 2006
7043042 Button apparatus with a speaker May. 9, 2006
6993615 Portable computing device-integrated appliance Jan. 31, 2006
6978030 Light emitting loudspeaker cover Dec. 20, 2005
6937740 Monopole low frequency test woofer Aug. 30, 2005
6891957 Versatile speaker base May. 10, 2005
6870943 Ceiling loudspeaker Mar. 22, 2005
6792117 Orientation adjusting apparatus for speakers Sep. 14, 2004
6782308 Robot performing dance along music Aug. 24, 2004
6775130 Portable computing device with leather grain Aug. 10, 2004
6771782 Signal processing for audio device Aug. 3, 2004
6766033 Modular bass arraying Jul. 20, 2004
6739792 Amplifier securing clamp May. 25, 2004
6707667 Integral computer Mar. 16, 2004
6688421 Earmold for improved retention of coupled device Feb. 10, 2004
6687380 Active sub-woofer speaker system Feb. 3, 2004
6681024 Device including a built-in electroacoustic transducer for optimum speech reproduction Jan. 20, 2004
6661898 Speaker for an electronic instrument Dec. 9, 2003
6658131 Loudspeaker concealment system Dec. 2, 2003
6650026 Detachable face plate for audio and/or video apparatus in a vehicle Nov. 18, 2003
6608909 Foldable speaker rack for use with spas Aug. 19, 2003

1 2 3


 
 
  Recently Added Patents
Gas generating composition
Intermediates useful in preparing certain pyrrolotriazine compounds and process for making such intermediates
Transactional flow management interrupt debug architecture
Hydraulic tensioner with improved relief valve
Glossiness processing apparatus and image forming apparatus
High-frequency knife, endoscopic apparatus, and method of resecting lesioned mucosal part using high-frequency knife
Maintaining time-date information for syncing low fidelity devices
  Randomly Featured Patents
Sheet feeding device having a paper presser plate to which a variable bending moment is applied
Brush frame and shell
Hoisting mechanism for spreader with automatic attitude control means
Circuit to minimize local clock frequency disturbances when phase locking to a reference clock circuit
Encoding system
Wire brush attachment for angle grinder
Block copolymer composed of an addition polymer and a linear saturated polyester
Image forming apparatus having plural air flow paths
Sliding clasp fastener
Lithographic type microelectronic spring structures with improved contours