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| Number | Title | Issue Date |
| 8180089 | Earphone An earphone including a case, a case extension unit, a plate, a cover, a first speaker and a second speaker is provided. The first speaker is disposed on a supporting portion of the plate and is disposed on a first plane different from a second plane where the secon... | 05/15/2012 |
| 8090133 | Earphone speaker with ESD protection An earphone speaker including a conductive housing, a micro speaker module, and a circuit board is provided. The conductive housing has a holding space. The micro speaker module is disposed in the holding space. The circuit board is disposed outside the conductive h... | 01/03/2012 |
| 8041067 | Earphone structure with a composite sound field An earphone structure including one or more composite chambers is described. Each of the composite chambers includes sub-speakers. The sounds generated by these sub-speakers are uniformly distributed in the composite chamber and a composite sound field is generated ... | 10/18/2011 |
| 8000490 | Earphone structure with a composite sound field An earphone structure including one or more composite chambers is described. Each of the composite chambers includes sub-speakers. The sounds generated by these sub-speakers are uniformly distributed in the composite chamber and a composite sound field is generated ... | 08/16/2011 |
| 7817814 | Multiple channel earphone The present invention relates to a multiple channel earphone of small volume. In the earphone structure, a chamber tube with an adjusting hole or a set of adjusting holes is provided. The sound pressure of the chamber tube is naturally released without affected the ... | 10/19/2010 |
| 7697710 | Earphone with a sound guiding tube An earphone with a sound guiding tube is provided. The sound guiding tube has an external chamber beside the ear. Compared with a conventional earphone which transmits sound directly into the ear, the earphone of the present invention has a external chamber which fo... | 04/13/2010 |
| 7684583 | In-ear type and ear-plug type earphone with adjustable volume of front chamber between speaker and housing An earphone with adjustable volume of a front chamber between a speaker and a housing is provided, which includes a speaker unit, a housing and a movable element. The speaker unit is disposed within the housing, and the housing includes an earplug formation formed i... | 03/23/2010 |
| D605636 | Earphone | 12/08/2009 |
| D586778 | Earphone | 02/17/2009 |
| 7463748 | [Earphone structure with a composite sound field ] An earphone structure including one or more composite chambers is described. Each of the composite chambers includes sub-speakers. The sounds generated by these sub-speakers are uniformly distributed in the composite chamber and a composite sound field is generated ... | 12/09/2008 |
| D572242 | Earphone | 07/01/2008 |
| D562809 | Earphone | 02/26/2008 |
| 7289641 | Multiple channel earphone A multiple channel earphone is provided with an external tube disposed on the earphone main body. The earphone includes a case, a case extension unit, and a cover. A main sound field is formed in an interior chamber enclosed by the case, the case extension unit and ... | 10/30/2007 |
| D531621 | Earphone | 11/07/2006 |
| D519107 | Earphone | 04/18/2006 |
| D519108 | Earphone | 04/18/2006 |
| D517054 | Blue tooth headset | 03/14/2006 |
| D512990 | Earphone | 12/20/2005 |
| D512049 | Earphone | 11/29/2005 |
| 6427018 | Adjustable earphones for personal audio and communication systems An ear mounted earphone includes a speaker housing for positioning a speaker at the entrance to the auditory canal of an ear of a user. An elongate boom extends from the speaker housing and through a sleeve at one end of an earpiece so that the boom may b... | 07/30/2002 |
| 6198821 | Earphone-microphone adapter An adapter for connecting an earphone-microphone set to a mobile telephone such that a muting function is added to the system. Moreover, an older earphone-microphone set can also be connected to a mobile telephone via this adapter.... | 03/06/2001 |
| 6097827 | Adjustable earphone with a microphone An adjustable earphone with a microphone has a hook, a speaker, and a microphone, in which the hook is used for comfortably mounting the earphone on a user's ear. The speaker is mounted in a speaker chamber that connects to the hook by an outrigger wherei... | 08/01/2000 |
| 6069964 | Earphone-microphone-earmuff assembly The main components of an earphone-microphone-earmuff assembly are an earphone, a microphone and an earmuff. Besides using the assembly as a whole, each component can be independently used as well. The assembly has several pairs including a mounting cap, ... | 05/30/2000 |
| 6047076 | Earphone-microphone system having double ear braces An earphone-microphone set that has a pair of adjustable ear braces. The earphone-microphone set includes an earphone housing for enclosing the earphone. There is a shallow groove around the outer edge of the housing and a cable latch positioned verticall... | 04/04/2000 |
| 5984224 | Cable-spooling casing for earphones A cable-spooling casing is suitable for completely or partially spooling transmission cables of earphone for easy carriage. The cable-spooling casing includes a first spooling guide having a first protuberance on its interior surface and a plurality of sl... | 11/16/1999 |
| 5927659 | In-cord detachable ear hanger for earphone An in-cord detachable ear hanger for an in-ear phone is provided. The ear hanger can protect the in-ear phone from being pulled off position from the user's ear when the user or any nearby person accidentally pulls the cable connected to the earphone set ... | 07/27/1999 |
| 5850439 | Hands-free phone converter A portable hands-free telephone converter that allows a user to speak on the telephone without using the hands to hold a handset or the like. The telephone converter includes a first coupler for coupling the telephone converter to the receiver of the hand... | 12/15/1998 |
| 4897033 | Lighter with a cigarette extinguisher A lighter provided with a cigarette extinguisher which is capable of cutting and extinguishing a burning head of a cigarette safely. The cigarette extinguisher comprises an upper cut element, a torsion spring, a tongue, a lower cut element and a pivot pin... | 01/30/1990 |
| 4894641 | Real-time speed display apparatus A real-time speed display apparatus for displaying vehicle speed with different colors of light has a speed detector for detecting the speed of revolution of the transmission shaft of a vehicle and outputting a speed signal with its pulse rate varied as a... | 01/16/1990 |
