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Class Information
Number: 381/374
Name: Electrical audio signal processing systems and devices > Electro-acoustic audio transducer > Plural or compound reproducers > Headphone > Particular support structure
Description: Subject matter having a specific means for maintaining a trans-ducer on the user"s head.










Sub-classes under this class:

Class Number Class Name Patents
381/379 Adjustable 113
381/375 And microphone 189
381/383 Collapsible 40
381/380 Ear insert or bone conduction 422
381/376 Headgear 133
381/381 Hook over ear or spectacle 235
381/377 Plural bands 22
381/378 Single band 83
381/382 Sound conducting tube 99


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8675904 Headphone device Mar. 18, 2014
8649547 Mountable multi-directional audio device Feb. 11, 2014
8638969 Earphone, headset and ear pad Jan. 28, 2014
8630436 Earpiece Jan. 14, 2014
8625833 Portable pressurization headphones Jan. 7, 2014
8611578 Charging cradle for a headset device and an earphone cover for the headset device Dec. 17, 2013
8611075 Apparatus for mounting an audio player Dec. 17, 2013
8605931 Combined headphone set and portable speaker assembly Dec. 10, 2013
8605932 Single Chamber headphone apparatus Dec. 10, 2013
8605933 Multi function cable clip device Dec. 10, 2013
8605935 Headphones with a pair of glasses Dec. 10, 2013
8600096 Surface treatment for ear tips Dec. 3, 2013
8582755 Headset with a retractable speaker portion Nov. 12, 2013
8565467 Earphone Oct. 22, 2013
8565468 Headphone Oct. 22, 2013
8559665 Headset and headphone Oct. 15, 2013
8548187 Multi-channel sound producing structure for headphones Oct. 1, 2013
8520836 Projection headset Aug. 27, 2013
8515115 Audio earbud headphone with extended curvature Aug. 20, 2013
8503711 Hat mounted music system Aug. 6, 2013
8494184 Digital data transfer via audio signal conductors Jul. 23, 2013
8494185 Electro-acoustic transducer tuning and data storage Jul. 23, 2013
8489151 Integrated and detachable wireless headset element for cellular/mobile/portable phones and audio playback devices Jul. 16, 2013
8472658 Hand-held, portable electronic device with retainer port for receiving retainable wireless accessory for use therewith Jun. 25, 2013
8447060 Earphone May. 21, 2013
8442257 Cables with intertwined jackets May. 14, 2013
8434493 Adjustable mouth shield device May. 7, 2013
8422718 Soft-opening hinge and headphone set including same Apr. 16, 2013
8416961 Detecting the repositioning of an earphone using a microphone and associated action Apr. 9, 2013
8396243 Earphone Mar. 12, 2013
8374372 Headset Feb. 12, 2013
8374373 High transmission loss headphone cushion Feb. 12, 2013
8369557 Earphone and headset Feb. 5, 2013
8363877 Headphones and earmuffs Jan. 29, 2013
8355515 Gaming headset and charging method Jan. 15, 2013
8351637 Frame earhook Jan. 8, 2013
8335334 Headset convertible to monaural, binaural or stereo configuration Dec. 18, 2012
8335338 Speaker and electronic apparatus and device using the same Dec. 18, 2012
8331603 Headset Dec. 11, 2012
8325962 Headphones Dec. 4, 2012
8311253 Earpiece positioning and retaining Nov. 13, 2012
8306253 Modular input/output headset and method of use Nov. 6, 2012
8295529 Gaming headset with integrated microphone and adapted for olfactory stimulation Oct. 23, 2012
8295533 Bluetooth headset lanyard system Oct. 23, 2012
8290193 Headphones with reduced tangling and methods Oct. 16, 2012
8290194 Wireless headphone integrated with an adjustment control device Oct. 16, 2012
8270654 Customizable audio earpiece Sep. 18, 2012
8270652 Integrated television mount and audio system Sep. 18, 2012
8265324 Stereo headset with integrated earpiece mount Sep. 11, 2012
8265325 Earphone device for portable terminal Sep. 11, 2012

1 2 3 4 5










 
 
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