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Class Information
Number: 381/379
Name: Electrical audio signal processing systems and devices > Electro-acoustic audio transducer > Plural or compound reproducers > Headphone > Particular support structure > Adjustable
Description: Subject matter in which some characteristic of a support structure may be altered in length or size to ensure a proper fit of a transducer to the user"s head.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8649547 Mountable multi-directional audio device Feb. 11, 2014
8605934 Wired headset adaptable for left and right ear use Dec. 10, 2013
8605931 Combined headphone set and portable speaker assembly Dec. 10, 2013
8588454 Module for containing an earpiece for an audio device Nov. 19, 2013
8565467 Earphone Oct. 22, 2013
8503711 Hat mounted music system Aug. 6, 2013
8472660 Headphone adaptation and positioning device with means for holding an earbud stem Jun. 25, 2013
8434493 Adjustable mouth shield device May. 7, 2013
8428289 Headphone adaptation and positioning device Apr. 23, 2013
8422718 Soft-opening hinge and headphone set including same Apr. 16, 2013
8411893 Headphone Apr. 2, 2013
8396243 Earphone Mar. 12, 2013
8363875 Headphone Jan. 29, 2013
8358800 Earphone with adjustable plug Jan. 22, 2013
8351637 Frame earhook Jan. 8, 2013
8345912 Earphone having under hanger Jan. 1, 2013
8335334 Headset convertible to monaural, binaural or stereo configuration Dec. 18, 2012
8331603 Headset Dec. 11, 2012
8270658 Position sensing apparatus and method for active headworn device Sep. 18, 2012
8270654 Customizable audio earpiece Sep. 18, 2012
8265328 Earphone Sep. 11, 2012
8265325 Earphone device for portable terminal Sep. 11, 2012
8233655 Headphone Jul. 31, 2012
8229521 Head set device having a rotatable speaker housing Jul. 24, 2012
8213647 Electroacoustic device Jul. 3, 2012
8204267 Earphone and headset Jun. 19, 2012
8204268 Wired control of earphone Jun. 19, 2012
8194909 Earphone, headset and ear protector Jun. 5, 2012
8180090 Headset with exchangeable speaker May. 15, 2012
8174569 Image display apparatus May. 8, 2012
8170231 Adjustable accessory for a portable communication device May. 1, 2012
8160287 Headset with adjustable headband Apr. 17, 2012
8121334 Bluetooth earphone having semi-automatic receiving function Feb. 21, 2012
8098873 Headphones Jan. 17, 2012
8059851 Hearing protection and/or loudspeaker element Nov. 15, 2011
8055007 Earphone having variable duct unit Nov. 8, 2011
8055006 Soft-opening hinge and headphone including same Nov. 8, 2011
8050444 Adjustable mechanism for improving headset comfort Nov. 1, 2011
8019111 Interchangeable headphone earhook support Sep. 13, 2011
7978870 Attachment apparatus Jul. 12, 2011
7940947 Headphone set May. 10, 2011
7936895 Earphone storage structure May. 3, 2011
7925037 Communications headset Apr. 12, 2011
7889881 Ear canal speaker system method and apparatus Feb. 15, 2011
7822220 Earphone assembly Oct. 26, 2010
7773767 Headset terminal with rear stability strap Aug. 10, 2010
7697709 Sound direction/stereo 3D adjustable earphone Apr. 13, 2010
7580539 Compact foldable headphone Aug. 25, 2009
7406180 Headphone with behind-the-head headband Jul. 29, 2008
7356156 Wireless headset with rotatable speaker housing Apr. 8, 2008

1 2 3










 
 
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