William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8155362 | Wireless listening system A wireless listening system includes a base operable to receive an electrical signal corresponding to an audio signal, including the ring of an incoming telephone call, up-convert the audio signal to an infrared signal, and transmit the infrared audio signal wireles... | 04/10/2012 |
| 8121547 | In-headset conference calling Systems and methods for establishing conference calls using a headset are presented. The headset includes a wireless communications transceiver operable to form a first local wireless link with a first local telephone in communication with a first far end telephone ... | 02/21/2012 |
| 8116788 | Mobile telephony presence Systems and methods for reporting of presence information associated with use of a mobile telephone are presented. In one example, a headset that is paired with a cellular mobile phone relays presence information to a presence application running on a computer. ... | 02/14/2012 |
| D653649 | Communications headset | 02/07/2012 |
| 8073152 | Automated voice over internet protocol wireless headset A system, apparatus, and method are provided for automatically provisioning wireless local area network (LAN) access point and/or hotspot information, Voice over Internet Protocol (VoIP) service provider information, and VoIP account information on a service provide... | 12/06/2011 |
| 8068882 | Portable media player emulator for facilitating wireless use of an accessory A system for facilitating wireless communication between an accessory and a device comprising a device capable of converting at least an audio signal into a signal transmittable by a wireless communication means; a wireless communication means associated with the de... | 11/29/2011 |
| 8064595 | Adaptive mute Systems and methods for providing mute status reminders are presented. The system and method includes monitoring a mute status duration upon activation of a mute status at a communication device, outputting a periodic mute reminder having an output period responsive... | 11/22/2011 |
| 8064593 | Auto host disconnect on loss of power to a headset amplifier Systems for a loss of power detection for headset amplifiers are disclosed. The system generally includes a headset and headset amplifier. The headset amplifier includes a switch for electrically connecting the headset and a telephone apparatus. The switch is closed... | 11/22/2011 |
| 8009874 | User validation of body worn device A headset includes a detector providing an output indicating a donned or doffed condition, a memory storing a fingerprint data of an authorized headset user, and a fingerprint scanner for generating a fingerprint scan upon detecting a donned condition. The headset i... | 08/30/2011 |
| D643834 | Base cradle for a communications headset | 08/23/2011 |
| 7991178 | Method and device for noise control in a headset A headset is disclosed. The headset includes an earpiece, a voice conducting and connecting system and a microphone connected to the voice conducting and connecting system, the microphone being capable of operating in a directional configuration and in an omnidirect... | 08/02/2011 |
| 7986803 | Ear bud speaker earphone with retainer tab An ear bud earphone having an outer portion, which may be a microphone or sound input or a contact for wires or acoustic tubes, a central body portion, an ear canal main body and a tab. The ear canal main body of the earphone has flexibility to conform to the ear an... | 07/26/2011 |
| D641010 | Communications earbud | 07/05/2011 |
| 7965855 | Conformable ear tip with spout Apparatuses and methods for delivering sound to ear canal are provided. The apparatus generally includes a compressible and resilient toroidal section having an inner side and an outer side. An aperture extends from the outer side to the inner side and the outer sid... | 06/21/2011 |
| 7961896 | Expander circuit with reduced distortion Systems for an expander circuit are disclosed. An expander circuit comprising a transmit amplifier for amplifying electrical signals received from a microphone. A rectifier circuit is responsive to the electrical signals and generates a D.C. voltage. A dynamic resis... | 06/14/2011 |
| 7925004 | Speakerphone with downfiring speaker and directional microphones A speakerphone having improved echo cancellation and sound output includes at least one directional microphone having at least one axis of sensitivity and at least one zone of insensitivity, and a speaker disposed in the zone of insensitivity of the microphone to ra... | 04/12/2011 |
| D635962 | Communications headset | 04/12/2011 |
| D635548 | Communications headset | 04/05/2011 |
| 7916886 | Microphone with low frequency noise shunt The present invention provides for a microphone. The microphone includes a housing, a port disposed in the housing leading to an interior chamber, and a diaphragm with a first side and a second side. The first side of the diaphragm faces the port. The microphone inc... | 03/29/2011 |
| D634300 | Communications headset | 03/15/2011 |
| 7881927 | Adaptive sidetone and adaptive voice activity detect (VAD) threshold for speech processing Systems and methods for adaptive sidetone and adaptive voice activity detect (VAD) threshold for speech processing are disclosed. The VAD system generally includes an adaptive VAD threshold generator configured to generate a VAD threshold based on an increase in voi... | 02/01/2011 |
| 7881464 | Microphone with reduced noise The present invention provides a microphone apparatus. The microphone apparatus includes a housing with an outer surface and an interior chamber. A microphone element is disposed within the interior chamber. The outer surface includes a first substantially planar su... | 02/01/2011 |
| D630186 | Communications headset | 01/04/2011 |
| 7859469 | Combined battery holder and antenna apparatus A combined, compact battery holder and antenna apparatus. The combined, compact battery holder and antenna apparatus includes a dielectric battery holder and a conductive antenna element having a radiating arm that is supported by the dielectric battery holder. When... | 12/28/2010 |
| D628194 | Communications headset | 11/30/2010 |
| D628188 | Eartip for a communications headset | 11/30/2010 |
| 7839881 | Projection headset A headset apparatus including a virtual keypad and a method for inputting data into a headset are provided. In one embodiment, a headset includes a processor, at least one acoustic transducer, a projector operably coupled to the processor for displaying an image on ... | 11/23/2010 |
| D625713 | Communications headset | 10/19/2010 |
| D625712 | Communications headset | 10/19/2010 |
| D625711 | Communications headset | 10/19/2010 |
| D625710 | Communications headset | 10/19/2010 |
| RE41702 | 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... | 09/14/2010 |
| D619561 | Communications headset | 07/13/2010 |
| 7746028 | Headset charging cradle Systems and methods for a headset charging cradle are disclosed. The system generally includes a loop for receiving a headset earbud and a cradle charging interface disposed below the loop for coupling with a headset charging interface. ... | 06/29/2010 |
| 7738434 | Control and management of a wired or wireless headset A wireless headset and a system and method for controlling or managing a wireless headset are provided. In one embodiment, a wireless headset includes a World Wide Web (Web) server for providing a Web page to control or manage a headset, and a module operably couple... | 06/15/2010 |
| D612840 | Communications headset | 03/30/2010 |
| D612835 | Microphone boom for a communications headset | 03/30/2010 |
| D612834 | Communications headset | 03/30/2010 |
| 7680267 | Headset with a retractable speaker portion An earbud headset, a handset including the same, and methods of operating the headset and handset are provided. In one embodiment, an earbud headset includes a speaker portion that is retractable into and extendable from a base portion, thereby allowing for a thin p... | 03/16/2010 |
| 7676248 | Voice recognition script for headset setup and configuration A wireless local area network system and a headset for the system. The headset uses voice input information to set up parameters needed to connect the headset to the corresponding access point and then start the connection process. When the connection fails or succe... | 03/09/2010 |