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Class Information
Number: 381/371
Name: Electrical audio signal processing systems and devices > Electro-acoustic audio transducer > Plural or compound reproducers > Headphone > Particular cup
Description: Subject matter having particular structural features relating to enclosures designed to fit over or on a user"s ear.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7436973 |
Structure for earphones with multiple sound tracks |
Oct. 14, 2008 |
| 7426282 |
Head set speaker and stereo playing device |
Sep. 16, 2008 |
| 7418103 |
System and method for controlling states of a device |
Aug. 26, 2008 |
| 7391878 |
Earphone device having composite functions |
Jun. 24, 2008 |
| 7388960 |
Multimedia speaker headphone |
Jun. 17, 2008 |
| 7340071 |
Headphones with a multichannel guiding mechanism |
Mar. 4, 2008 |
| 7317809 |
Arrangement in acoustic headsets |
Jan. 8, 2008 |
| 7305098 |
Hearing device |
Dec. 4, 2007 |
| 7289641 |
Multiple channel earphone |
Oct. 30, 2007 |
| 7286860 |
Systems and methods for a comfortable wireless communication device |
Oct. 23, 2007 |
| 7245735 |
Earmuff structure for headset or ear protector |
Jul. 17, 2007 |
| 7245736 |
Headphone device |
Jul. 17, 2007 |
| 7155025 |
Surround sound headphone system |
Dec. 26, 2006 |
| 7146650 |
Ear covers |
Dec. 12, 2006 |
| 7120267 |
Headset |
Oct. 10, 2006 |
| 7110563 |
Headphone |
Sep. 19, 2006 |
| 7068242 |
Head-mounted audio/video playback system |
Jun. 27, 2006 |
| 7024013 |
Sound reduction/elimination device |
Apr. 4, 2006 |
| 7006649 |
Earmuff with earphone |
Feb. 28, 2006 |
| 6993479 |
Method for the compression of recordings of ambient noise, method for the detection of program elements therein, and device thereof |
Jan. 31, 2006 |
| 6980666 |
Headphone assembly |
Dec. 27, 2005 |
| 6968069 |
Low-profile tweeter with lateral air chamber |
Nov. 22, 2005 |
| 6965681 |
Arrangement in acoustic headsets |
Nov. 15, 2005 |
| 6934401 |
Closed headphones with transducer system |
Aug. 23, 2005 |
| 6854466 |
Method for producing a hearing protection cup, and tool used for its production |
Feb. 15, 2005 |
| 6856690 |
Comfortable earphone cushions |
Feb. 15, 2005 |
| 6831984 |
Noise reducing |
Dec. 14, 2004 |
| 6817440 |
Multi-channel headphones |
Nov. 16, 2004 |
| 6788798 |
Method and arrangement for improving leak tolerance of an earpiece |
Sep. 7, 2004 |
| 6788797 |
Headphone accessory |
Sep. 7, 2004 |
| 6775390 |
Headset with movable earphones |
Aug. 10, 2004 |
| 6748087 |
Headset with ear cushion and means for limiting the compression of the cushion |
Jun. 8, 2004 |
| 6731771 |
Foam mounted receiver for communication headset |
May. 4, 2004 |
| 6704429 |
Earphone without impulse noise and surroundings blockade |
Mar. 9, 2004 |
| 6698028 |
Headphone earmuffs |
Mar. 2, 2004 |
| 6683965 |
In-the-ear noise reduction headphones |
Jan. 27, 2004 |
| 6597792 |
Headset noise reducing |
Jul. 22, 2003 |
| 6567525 |
Supra aural active noise reduction headphones |
May. 20, 2003 |
| 6532296 |
Active noise reduction audiometric headphones |
Mar. 11, 2003 |
| 6490361 |
Apparatus having a housing which accommodates a sound transducer and which has a passage |
Dec. 3, 2002 |
| 6480611 |
Headphone having a cord reel |
Nov. 12, 2002 |
| 6430299 |
Headset assembly including replaceable battery |
Aug. 6, 2002 |
| 6411722 |
Earphone for an RF transmitting device |
Jun. 25, 2002 |
| 6356644 |
Earphone (surround sound) speaker |
Mar. 12, 2002 |
| 6301367 |
Wearable audio system with acoustic modules |
Oct. 9, 2001 |
| RE37398 |
Headphone |
Oct. 2, 2001 |
| 6295366 |
Aircraft headset |
Sep. 25, 2001 |
| 6263085 |
Surround sound headphones |
Jul. 17, 2001 |
| 6259796 |
Earpiece without impulse and high frequency noise |
Jul. 10, 2001 |
| 6252970 |
Headphone |
Jun. 26, 2001 |
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