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| Number | Title | Issue Date |
| 8102995 | Communication device and telephone communication method thereof The present invention relates to a communication device and a telephone communication method thereof. The present invention includes two or more microphones mounted at different positioned in a predetermined space, e.g., in a vehicle. Further, a detector compares se... | 01/24/2012 |
| 7720216 | Acoustic pass through for handsets An acoustic pass through is provided in telephone handsets for sounds transmitted from a hands free operation speaker laid out underneath the handset. One or more cutouts in a middle portion of the handset in various shapes such as rectangular, round, elliptical, an... | 05/18/2010 |
| 7373182 | Wireless mobile phone including a headset A wireless mobile phone is provided with an input-output interface and an output interface. The input-output interface may be employed singularly to facilitate removable attachment of a telephony headset to the phone to receive at least telephony audio signals from ... | 05/13/2008 |
| 7333837 | Universal hands-free unit for mobile telephones The invention pertains to mobile telephones and can be used during telephone conversations while, for example, operating a mode of transportation. The universal hands-free unit for mobile telephones contains the main module containing a speaker and control electroni... | 02/19/2008 |
| 7231038 | Eyeglasses with wireless communication features A microphone, transmitter, speaker, receiver, and power source, all mounted to an eyeglasses frame, for sending and receiving signals wirelessly to and from a remote cell phone or other electronic device. The microphone and the transmitter can be mounted to extensio... | 06/12/2007 |
| 7224992 | Four pole stereo headset with push to talk capability in a duplex radio A stereo headset (104) with push-to-talk function can be interfaced with a wireless communication device (102) via a connector interface. The connector interface preferably includes a jack at the wireless communication device (102) and a compati... | 05/29/2007 |
| 7110536 | Acoustic seal system An acoustic seal system (100). The system (100) includes a flexible sealing element (110) having a ridge (134) for engaging a cover (118) with a sealing interference fit, a plate (112) in which the flexible sealing element (... | 09/19/2006 |
| 7106876 | Microphone for simultaneous noise sensing and speech pickup The invention provides a microphone for the simultaneous pickup of both ambient background noise and speech in vehicles such as automobiles, aircraft, and marine vessels. The apparatus provides a plurality of cartridges that simultaneously exhibit frequency and pola... | 09/12/2006 |
| 7058193 | Microphone assembly for a vehicle hands-free telephone A microphone assembly of a vehicle hands-free telephone comprises a guide and a microphone unit. The microphone unit moves between a retracted position and an extended position relative to the guide. The microphone may be activated in the extended position and deact... | 06/06/2006 |
| 7013009 | Eyeglasses with wireless communication features A microphone, transmitter, speaker, receiver, and power source, all mounted to an eyeglasses frame, for sending and receiving signals wirelessly to and from a remote cell phone or other electronic device. The microphone and the transmitter can be mounted to extensio... | 03/14/2006 |
| 6931124 | Soft mute circuit A soft mute circuit includes a programmable amplifier controlled by a register. Data is stored in the register from an adder that combines the current data in the register with a second number for increasing or decreasing the gain of the amplifier. A summation circu... | 08/16/2005 |
| 6831978 | Integrated rear-view mirror and microphone assembly A rear-view mirror assembly 10 is provided, including a housing 12 and a reflective surface 14. At least one microphone 18 is positioned behind the reflective surface 14 within the housing 12. At least one audio port 20 | 12/14/2004 |
| 6473514 | High directivity microphone array A microphone array for providing a focused field of optimum audio reception is disclosed. The array has a series of interconnected microphones spaced within a housing. At a midpoint of the spaced microphones is an illuminated polarized centering marker wh... | 10/29/2002 |
| 6411711 | Combination connector and microphone Conventional telephone sets normally include a microphone housing defining an opening to the exterior which communicates with a cavity in the microphone housing within which is located an internal microphone, and leads connecting the internal microphone w... | 06/25/2002 |
| 6122369 | Communication process device and method therefor A device for attaching a earphone key to an earphone-microphone used for a portable phone and performing communication operations and a method therefor. The communication process device of a portable phone including: an earphone-microphone having an earph... | 09/19/2000 |
| 6108566 | Hands-free mobile telephone The present invention provides for permitting hands-free operation of a telephone handset in a vehicle. The device, having a base pivotally attached to the vehicle above the door opening on the driver's side, and also has means for storing the device abov... | 08/22/2000 |
| 6081594 | Hands-free device with a replaceable adapter for a mobile phone The present invention provides a hands-free device with a replaceable adapter for a mobile phone. The hands-free device comprises a hands-free body and an adapter. The hands-free body includes a main circuit to provide a hands-free capability to a mobile ... | 06/27/2000 |
| 6058184 | Speaker unit with boom microphone A hands-free adapter for a telephone is disclosed. The hands-free adapter includes a housing, a speaker and a microphone that may be electrically coupled to a telephone. The hands-free adapter couples to a cigarette lighter receptacle of a vehicle. This p... | 05/02/2000 |
| 6016346 | Low-profile speakerphone with downward oriented microphone configuration The invention provides a speakerphone having a low-profile housing having an upward-oriented speaker on an upper surface of the housing and a downward-oriented microphone on a lower surface of the housing. The lower surface of the housing is domed, for ex... | 01/18/2000 |
| 6009169 | Inmate phone An inmate phone (10) of the type having a housing (12) in an interior wall (14) of a prison (16). A push-button dialing pad (18) is mounted within a front wall (20) of the housing (12) with the push-button digits (22) of the push-button dialing pad (18) e... | 12/28/1999 |
| 5991646 | Articulating speaker and microphone for a wireless telephone with cigarette lighter adapter A speaker and microphone are provided on and supported by an articulating extension. The extension comprises a cigarette lighter adapter which is plugged into a cigarette lighter to provide power for the speaker and microphone. The speaker and microphone ... | 11/23/1999 |
| 5896461 | Compact speakerphone apparatus A compact speakerphone apparatus is provided with an angled housing for a speaker and a directional microphone. The speaker and microphone are mounted in the housing such that the directional characteristics of the microphone minimizes feedback from the s... | 04/20/1999 |
| 5864766 | Cellular telephone battery with auto-answering and hand-free functions A cellular telephone battery having the functions of auto answering, hand-free listening and speaking, low power control, power wake up control, battery protection, and quick charging. The battery includes an auto-answer and hand-free control unit connect... | 01/26/1999 |
| 5802167 | Hands-free device for use with a cellular telephone in a car to permit hands-free operation of the cellular telephone A hands-free device is adapted for use with a cellular telephone in a car to permit hands-free operation of the cellular telephone, and includes a main terminal, a secondary terminal, and a microphone provided on one of the main and secondary terminals. T... | 09/01/1998 |
| 5687230 | Device for mobile telephones The invention relates to a device for mobile telephone apparatus comprising at least one loudspeaker and at least one microphone arranged in connection with a headrest, the loudspeaker and the microphone being connected to the mobile telephone. According ... | 11/11/1997 |
| 5642402 | Hands free equipment Hands free equipment for mobile phones, has an extra loudspeaker and microphone and an electronic unit included therein, the equipment being mainly intended for use in cars, whereby driving safety is maintained. The equipment is connected to the charger o... | 06/24/1997 |
| 5490213 | Apparatus for hands-free operation of a mobile telephone unit in a car An apparatus for permitting hands-free operation of a mobile telephone unit in a car includes a wireless microphone transmitter for generating wireless outgoing signals corresponding to sounds picked up in the passenger room of a car, and a main terminal ... | 02/06/1996 |
| 5369701 | Compact loudspeaker assembly A speakerphone comprises an upper housing member and a lower housing member that are joined together to enclose a loudspeaker, a microphone, and a printed wiring board having electronic components mounted thereon that cooperate in the operation of the spe... | 11/29/1994 |
| 5313514 | Hands free apparatus for land mobile radio telephone In a land mobile radio telephone apparatus, a microphone unit for inputting speeches to be transmitted in incorporated in a plug that can be connected to a cigar lighter socket provided near a driver's seat in a vehicle, and the plug with the microphone u... | 05/17/1994 |
| 5280524 | Bone conductive ear microphone and method An ear piece device configured for being supported in the ear and providing a microphone which is sensitive only to sounds conducted within the skull of the user is contained within a housing which is configured at one end to fit snugly at the ear canal o... | 01/18/1994 |
| 5226076 | Directional microphone assembly A directional microphone assembly is constructed from a first-order-gradient microphone element enclosed within a housing, molded from an acoustically-opaque, resilient material such as Ethylene-Propylene-Diene-Monomer. The microphone element includes a ... | 07/06/1993 |
| 5138651 | Cordless loud speaking telephone A cordless loud-speaking telephone of the present invention is shaped to be placed on a table or desk or to be suspended from a ceiling. Unlike cordless portable telephones of the handy transceiver type, it enables hands-free talking or communication thro... | 08/11/1992 |
| 5121426 | Loudspeaking telephone station including directional microphone A loudspeaking telephone station (speakerphone) includes a loudspeaker and one or more microphones within the same housing. The microphones are directional, each having a polar response characteristic that includes a major lobe, one or more side lobes, an... | 06/09/1992 |
| 4937877 | Modular microphone assembly A modular microphone assembly housed in a handsfree telephone apparatus provides an environment that is isolated from a loudspeaker installed within the apparatus and through which environment the directional and frequency response characteristics of a di... | 06/26/1990 |
| 4885773 | Apparatus for mounting a unidirectional microphone in a hands-free telephone subset There is disclosed a shroud and housing assembly which is attached to or forms an integral part of the front sidewall of a hands-free telephone subset. The shroud assembly contains a trough which is directed along the length thereof and which terminates a... | 12/05/1989 |
| 4817164 | Electrostatic discharge protector for an electret microphone A holder for an electret microphone of the type having a front acoustic aperture and peripheral acoustic apertures is made of insulating material and includes a first sleeve portion of a diameter to receive the microphone snugly and a second sleeve portio... | 03/28/1989 |
| 4550429 | Shock absorbing transducer module A modular transducer mounting arrangement includes a substantially planar support plate. An aperture having an angular bevel is provided in the support plate such that a loudspeaker may be positioned in the bevel to allow sound to exit from the loudspeake... | 10/29/1985 |
| 4237339 | Audio teleconferencing An electro-acoustic terminal unit for use in an audio teleconferencing system comprises a loudspeaker and one or more microphones each having a sensitivity which is directionally dependent and exhibits at least one null or substantially null position. The... | 12/02/1980 |
| 4178488 | Telephone set A telephone set has a transmitter-receiver including a first portion for mounting a microphone, a second portion for mounting a speaker for loudspeaking, an earphone for low speaking with an opening formed in the first portion so that the side walls of th... | 12/11/1979 |
| 4078155 | Telephone apparatus for use in a conference room A telephone apparatus for use in a conference room has a housing, with a vertical central axis, with a loudspeaker at the upper end, coaxial with the vertical axis, and a microphone at the lower end. The loudspeaker faces upward with an unrestricted outle... | 03/07/1978 |
