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| Number | Title | Issue Date |
| 7299046 | Apparatus, and associated method, for facilitating dormant-mode operation of a mobile mode in a radio communication system Apparatus, and an associated method, for facilitating registration of a mobile node with a home agent. Dormant mode operation of the mobile node is supported. Message generators positioned at the mobile node generate appropriate messages for a UMTS and a WLAN networ... | 11/20/2007 |
| 7031447 | System and method for location-based call distribution A method for location-based call distribution is provided that includes receiving from a customer communication device a request to establish a communication session with an agent communication device based on a specified telephone number. An agent database is searc... | 04/18/2006 |
| 6996195 | Channel estimation in a communication system A method and apparatus for estimating channels in orthogonal frequency division multiplexed (OFDM) communication systems. The method and apparatus allows a channel estimate to be determined independent of having knowledge on channel statistics. Channel estimation is... | 02/07/2006 |
| 6873858 | Bridge mechanism, and associated method, for multi-network radio communication system Apparatus, and an associated method, forming a bridge mechanism bridging a legacy cellular network with a successor-generation cellular network. A communication service available only in the successor-generation network is made available to a mobile station operable... | 03/29/2005 |
| 6545638 | Correcting a prior dead reckoning determined position measurement using GPS when GPS is later acquired Dead reckoning is used to solve a location problem when a user is out of range of GPS coverage. A starting position is determined by tracking movements from a first position where GPS coverage is not available to a second position where GPS coverage is av... | 04/08/2003 |
| 6178313 | Control of gain and power consumption in a power amplifier Gain control apparatus, and an associated method, for a radio transmitter, such as the radio transmitter forming a portion of a mobile station. Gain control is effectuated by controlling the level of bias current at which a power amplifier is biased. Sign... | 01/23/2001 |
| 6167273 | Apparatus, and associated method, for effectuating power control to maintain desired QoS levels in the performance of a communication service Apparatus, and an associated method, for initiating gain control in a radio communication system. Determinations are made as to a required range of gains at which gain elements of a transmitter must be operated to ensure that a communication service is pe... | 12/26/2000 |
| 6163708 | Closed-loop power control method A manner by which to effectuate closed-loop power control in a two-way communication system. A switched-current, exponential DAC (digital-to-analog converter) is utilized to generate a reference signal responsive to detection of successive power control b... | 12/19/2000 |
| 6134455 | Annunciating apparatus, and associated method, for radio communication device Annunciator apparatus, and an associated method, for a mobile station, such as a radio telephone operable in a cellular communication system. When a call is to be terminated at the mobile station, a determination is made of the ambient noise levels proxim... | 10/17/2000 |
| 6104917 | Apparatus, and associated method, for maintaining circuitry of radio device above a threshold temperature Apparatus, and an associated method, facilitates maintenance of ambient temperature levels within a radio base station cabinet above a minimum temperature level. During periods of low activity at a radio base station, signals are applied to a power amplif... | 08/15/2000 |
| 6093888 | Apparatus, and associated method, for shielding emi-generative components of an electrical device Apparatus, and an associated method, shields separate component portions of an electronic device housed at a housing from electromagnetic interference generated during operation of the electronic device. Assembly of the apparatus which shields such compon... | 07/25/2000 |
| 6094571 | Differential class AB mixer circuit A mixer circuit, and an associated method, mixes together differential input signals with differential mixing signals to form differential output signals. The differential output signals are substantially linearly related to the input signals over an enti... | 07/25/2000 |
| 6082304 | Feedyard information system and associated method A feedyard information system, and an associated method generates pooled data taken from more than one feedyard. Data elements of the pooled data are formed in manners such that the data elements are free of identifiers which specifically identify the par... | 07/04/2000 |
| 6055753 | Media scroll, associated method, and media display assembly therefor A media scroll, and an associated method, formed of a plurality of media frames, in which the media scroll is formed of any selected number of media frames. A media display assembly of which the media scroll forms a portions supportively displays a media ... | 05/02/2000 |
| 6018961 | Coolant apparatus, and associated method, for cooling an article Coolant apparatus, and an associated method, for quickly chilling an article, such as a beverage or food item. The article is placed in an enclosed compartment, and a forced flow of super-cooled air is directed upon the article. Heat energy of the article... | 02/01/2000 |
| 5979447 | Occlusive dressings The present invention relates to an occlusive dressing selected from the group consisting of e.g. a condom, a pessary or a femidom comprising a local anaesthetic and optionally a penetration enhancing formulation for postponement of ejaculation, especiall... | 11/09/1999 |
| 5517188 | Programmable identification apparatus and method therefor A programmable identification apparatus, and associated method, includes a transceiver and a transponder. The transponder is powered by the energy of a transceiver transmit signal generated by the transceiver and includes a programmable memory element. A ... | 05/14/1996 |
| 5356193 | Protective cover for the frame surrounding the front windshield of a motor vehicle A protective cover for the frame surrounding the front windshield of a motor vehicle which prevents the paint and metal of the auto body frame from being damaged by airborne debris. The protective cover is a single unit molded from a semi-rigid material a... | 10/18/1994 |
| 5331123 | Switch operative responsive to positioning of a card member A switch for a card reader assembly forming a portion of a radio transceiver. The switch is operative responsive to positioning of a card member at a support position of the card reader assembly. The switch is operative to move out of a first switch posit... | 07/19/1994 |
| 5280644 | Frequency control circuit, and associated method, for a receiver operative to receive signals-transmitted thereto in intermittent bursts A frequency control circuit, and associated method, for a receiver operative to receive a TDMA signal transmitted by a transmitter in a TDMA communication system. A first frequency detector generates a first frequency control signal. A second frequency de... | 01/18/1994 |
| 5278527 | Dielectric filter and shield therefor A filter assembly comprised of a dielectric filter and a shield positioned about the dielectric filter. The dielectric filter may be surface-mounted upon a circuit board and includes at least one notch formed to extend along a side face surface thereof. T... | 01/11/1994 |
| 5276913 | Phase-locked-loop circuit for radio transceiver A phase-locked-loop circuit for a radio transceiver operative to transmit and to receive modulated signals during nonconcurrent time periods. During time periods in which the radio transceiver is to generate and to transmit a modulated signal, the phase-l... | 01/04/1994 |
| 5276588 | Telephone handset assembly having rigid fastener for connecting handset assembly portion-portions theretogether A fastener for a housing assembly. The fastener is comprised of a key having a hooked end portion formed to project beneath a front housing assembly portion, and a track member formed in a side wall of a rear housing assembly portion. Top and bottom face ... | 01/04/1994 |
| 5262710 | Battery charger assembly A battery charger assembly for applying a charging current to a rechargeable battery pack having at least one battery cell. Charging circuitry is supported within a housing body and includes coupling electrodes which protrude beyond a front side wall surf... | 11/16/1993 |
| 5263052 | Viterbi equalizer for radio receiver A Viterbi equalizer for decoding a π/4 DQPSK modulated signal. Because symbol values of adjacent symbols of a π/4 DQPSK signal are offset in phase relative to one another, allowable values of succeeding states of a π/4 DQPSK signal are four in number. ... | 11/16/1993 |
| 5261119 | Signal level measuring system for a radio receiver A system, and associated method, for measuring a signal level of a signal received by a receiver, such as a radio telephone. The signal received by the receiver is applied to a variable amplifier. The amplification of the variable amplifier is adjusted su... | 11/09/1993 |
| 5253292 | Portable radiotelephone support assembly A carrier assembly for an electronic device, such as a radiotelephone. The carrier assembly is comprised of a frame and a support arm pivotally coupled thereto. The frame receives the electronic device to engage supportively the electronic device thereat,... | 10/12/1993 |
| 5250916 | Multi-passband dielectric filter construction having filter portions with dissimilarly-sized resonators A filter duplexer, such as a filter duplexer for a radio transceiver, of minimum dimensions is disclosed. A first filter portion of the duplexer filter includes resonators of a first geometric configuration, and a second filter circuit portion of the dupl... | 10/05/1993 |
| 5249302 | Mixed-mode transceiver system A radiotelephone system comprised of a radiotelephone-pair suitably intercoupled theretogether to permit transfer of data, such as NAM information, therebetween. A first of the radiotelephone-pair comprises a radiotelephone of conventional construction. A... | 09/28/1993 |
| 5241592 | Telephonic handset housing assembly for cordless telephone A telephonic handset housing assembly for a cordless telephone. The housing assembly comprises a carriage and a clip which is releasably engageable with the carriage. Because the clip is releasably engageable with the carriage, when the handset is not to ... | 08/31/1993 |
| 5233506 | Fastener for housing assembly A fastener for fastening front and rear housing portions of a housing assembly theretogether. A resilient tongue member is affixed to a surface of the rear housing portion to extend upwardly therefrom. A beveled, top edge surface of the resilient tongue m... | 08/03/1993 |
| 5222104 | Gain control circuit for radio transmitter A gain control circuit for a radio transmitter, such as the radio transmitter portion of a radiotelephone operative to transmit a π/4 DQPSK-modulated signal in discrete bursts. The signal portion of the signal transmitted during each discrete burst forms... | 06/22/1993 |
| 5214675 | System and method for calculating channel gain and noise variance of a communication channel A system and method for correcting for Rayleigh interference of a signal transmitted upon a multi-path channel. The system adaptively calculates values of channel gain and noise variance of the channel upon which the signal is transmitted, and generates s... | 05/25/1993 |
| 5211581 | Electrical connector assembly and method therefor An assembly, and associated method for constructing such, for connecting an electrical circuit to an electrical cable, such as an antenna connector pin, or, alternately, to a coaxial transmission line. An antenna circuit board includes a circular aperture... | 05/18/1993 |
| 5208566 | Dielectric filter having adjacently-positioned resonators of dissimilar cross-sectional dimensions and notched side surface A dielectric filter construction having at least two resonating cavities extending longitudinally through a block of dielectric material. At least one of the resonating cavities is of a cross-sectional area which is elongated in a transverse direction, an... | 05/04/1993 |
| 5205751 | Electrically-conductive elastomeric connector An electrically-conductive, elastomeric connector for electrically connecting a circuit path of an electrical circuit disposed upon a substrate having an electrically-conductive edge portion which forms a portion of the electrical circuit with an electric... | 04/27/1993 |
| 5203021 | Transportable support assembly for transceiver A support assembly for a transportable radiotelephone. The support assembly forms a transceiver unit receiving platform which supportively affixes a transceiver unit in position thereat when positioned thereat. Connection with a battery supply, a handset,... | 04/13/1993 |
| 5203009 | Radio transceiver having fixed calling capacity A cellular phone having a fixed calling capacity limiting use of the phone to emergency situations. Two call sequences are stored in memory permitting telephonic communication with only the two fixed sites associated with the two call sequences. Telephoni... | 04/13/1993 |
| 5200655 | Temperature-independent exponential converter A linear-to-exponential converter circuit for generating a temperature-independent signal which is exponentially related to an input signal. An amplifier stage forming an exponential multiplier is comprised of a bipolar junction transistor which, characte... | 04/06/1993 |
| 5195108 | System and method for determining absolute phase of a differentially-encoded, phase-modulated signal System and method for determining an absolute phase value of a differentially-encoded, DQPSK signal. A stored set of sequences of an ID sequence is compared with a received ID-sequence of a differentially-encoded, DQPSK signal transmitted to the receiver.... | 03/16/1993 |
