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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| D587396 | Back panel for a light emitting tile | 02/24/2009 |
| D587395 | Back panel for a light emitting tile | 02/24/2009 |
| D525618 | Base for communications headset | 07/25/2006 |
| D520497 | Headset body for a communications headset | 05/09/2006 |
| D519106 | Headset body for communications headset | 04/18/2006 |
| D518033 | Base cradle for a communications headset | 03/28/2006 |
| D514095 | Adapter for communications headset | 01/31/2006 |
| D514087 | Communications headset | 01/31/2006 |
| D514086 | Communications headset | 01/31/2006 |
| 6941161 | Microphone position and speech level sensor Improper microphone position and speech level on a telephone headset is sensed by comparison of a speech envelope to multiple signal threshold levels. A first threshold is used to determine whether a headset user is talking. A second threshold is used to determine w... | 09/06/2005 |
| D509210 | Communications headset | 09/06/2005 |
| 6923688 | Charging interface The present invention provides a charging interface. The interface includes a first contact interface system for receiving a male connector. The first interface contact interface system includes a housing with a front surface, where the front surface includes an ape... | 08/02/2005 |
| D508044 | Lens covering for communications headset | 08/02/2005 |
| 6909050 | Electrical cable The present invention provides an electrical cable system including a first electrical cable and a second electrical cable. The first electrical cable includes a strip shaped insulation material with one or more electrical conductors disposed within the strip shaped... | 06/21/2005 |
| 6905000 | Faceplate cover The present invention provides an improved method and apparatus for manufacturing communication devices. A cover is attached to a surface of a faceplate that includes at least one opening, to provide enhanced device protection and sound quality. In one embodiment of... | 06/14/2005 |
| 6903693 | Bifurcated inverted F antenna A system and method for small built-in antennas that can be incorporated into short range communication devices such as cordless headsets are disclosed. The antenna is a built-in bifurcated inverted F antenna. The antenna generally includes two signal radiating and ... | 06/07/2005 |
| D505413 | Microphone boom for a communications headset | 05/24/2005 |
| D505132 | Ear cone for a communications headset | 05/17/2005 |
| D504887 | Headset body for a communications headset | 05/10/2005 |
| D504419 | Microphone boom for a communications headset | 04/26/2005 |
| D504420 | Microphone pod for communications headset | 04/26/2005 |
| 6856690 | Comfortable earphone cushions A cushion for a headset earphone comprises a resilient ring having opposite input and output faces, and a through-opening defining an interior surface between the two faces. The input face has structure for acoustically coupling the opening to an output face of an a... | 02/15/2005 |
| D499086 | Inline control module for communications headset adapter | 11/30/2004 |
| 6826515 | Headset noise exposure dosimeter A method and apparatus for monitoring and controlling exposure to noise related to a headset are described. The method includes sampling an input sound signal to produce samples of the input sound signal, calculating from these samples a headset sound level correspo... | 11/30/2004 |
| D498470 | Communications headset | 11/16/2004 |
| D498410 | Cord winder | 11/16/2004 |
| 6810987 | Earbud headset An earbud headset is provided that includes a speaker housing which advantageously allows for improved comfort, sound quality, and stability in the ear. The speaker housing includes a head portion and a thin edge portion that extends from the head portion to interfa... | 11/02/2004 |
| D496254 | Cord winder | 09/21/2004 |
| D496029 | Cradle for communications headset | 09/14/2004 |
| D494571 | Communications headset adapter | 08/17/2004 |
| D494154 | Binaural headset | 08/10/2004 |
| 6768804 | Adjustable microphone boom with acoustic valve A sound sensing apparatus such as a communication headset uses a microphone and an acoustic valve controlled by a movable boom to operate in at least a compact and an extended-boom mode, with the valve variously coupling the microphone to different openings on the b... | 07/27/2004 |
| 6766032 | Voice tube assembly An improved boom adapted for use in or with a headset is disclosed. The boom generally comprises a voice tube having a first entry aperture, a light tube, and a noise reducer. The noise reducer is composed at least partially of a porous plastic material and partiall... | 07/20/2004 |
| D492667 | Communications headset | 07/06/2004 |
| 6748060 | Apparatus and method for providing voice telephone instructions A telephone handset that can be remotely activated. The audio data can be operating instructions of the handset and/or telephone numbers stored in the phone. The handset contains a line interface circuit that can detect a plurality of ring signals on a telephone lin... | 06/08/2004 |
| 6735453 | Automatic headset hookswitch A headset storage device includes a headset cradle, a switch and a manual override device. The headset cradle has two positions: a first position when the headset cradle is supporting a headset and a second position when the headset cradle is not supporting a headse... | 05/11/2004 |
| 6728387 | Under-the-ear mounting headset A headset includes: a body; an upper wing extended from the body; a lower wing extended from the body; a speaker capsule coupled to the upper wing so that the speaker capsule can be positioned near an ear; and an ear bud coupled to the upper wing so as to be positio... | 04/27/2004 |
| 6721404 | Remotely controlled diagnostic telephone system with modem Systems and methods for remotely diagnosing, trouble shooting, and/or programming an end user telephone by a customer service representative using a modem in communication with the user's telephone during a live telephone call between the customer service representa... | 04/13/2004 |
| 6704413 | Auditory user interface An auditory user interface provides auditory feedback concerning variable parameters of a device. Auditory user interface elements indicate modes corresponding to control functions and variable parameters. Additional auditory user interface elements indic... | 03/09/2004 |
| 6683952 | Headset adapter with detachable under-the-phone accessory deck A telephone headset adapter includes a deck with a top surface for supporting a telephone. The deck is placed underneath a telephone, and the weight of the telephone is applied on the deck and stabilizes the deck. The deck includes a primary or fixed deck... | 01/27/2004 |
