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| Number | Title | Issue Date |
| 7974399 | Enhanced whisper feature An enhanced whisper feature enables a user to engage simultaneously in disparate telephonic communication sessions by isolating audible input of the user from a select one of the telephonic communication sessions while providing audible output from each of the telep... | 07/05/2011 |
| 7070365 | Drill bit assembly for bomb deactivation and other applications A drill bit assembly is formed to drill into an object while reliably conducting a fluid onto a point being drilled and subsequently into the object being drilled includes a sleeve that is bored and threaded and cut flush to substantially mate with the outside surfa... | 07/04/2006 |
| 7382827 | Computation of decision feedback equalizer coefficients with constrained feedback tap energy Directly computing Feed Forward Equalizer (FFE) coefficients and Feed Back Equalizer (FBE) coefficients of a Decision Feedback Equalizer (DFE) from a channel estimate. The FBE coefficients have an energy constraint. A recursive least squares problem is formulated ba... | 06/03/2008 |
| 7356325 | Local oscillation routing plan applicable to a multiple RF band RF MIMO transceiver Local oscillation circuitry for use in an RF transceiver Integrated Circuit (IC) includes local oscillation generation circuitry operable to produce a local oscillation and local oscillation distribution circuitry. The local oscillation distribution circuitry includ... | 04/08/2008 |
| 7356309 | Directional coupler for communication system An improved directional coupler that significantly reduces the signal degradation problems associated with distortion caused by circuit elements used to measure the transmitted power. In a selected embodiment, the directional coupler of the present invention compris... | 04/08/2008 |
| 7356087 | Bit mapping for variable-size higher-order digital modulations Mapping of m input bits to 2m modulation symbols of a two-dimensional symbol constellation. A quarter-quadrant constellation of 2m-4 modulation symbols that are located in a first quadrant of the two-dimensional signal plane is formed with each... | 04/08/2008 |
| 7076901 | Empty cartridge removing device of a dummy launcher for animal training An empty cartridge removing device of a dummy launcher for animal training having a fixed member of a fixed assembly pivotally assembled with a body of a firing assembly, the empty cartridge removing device comprising: a barrel adapted to be coupled with a coupling ... | 07/18/2006 |
| 7072961 | Data session service initialization for wireless devices A system and method of the present invention include a gateway device that serves as an interface between a high speed wireless data packet network and an application server placed within a wireline data packet network such as the Internet. The gateway device genera... | 07/04/2006 |
| 7046097 | Highly stable integrated time reference An integrated oscillator that may be used as a time clock includes circuitry that oscillates about an RC time constant, which RC time constant is adjustable to provide a desired frequency of oscillation. More specifically, the oscillator includes a capacitor array t... | 05/16/2006 |
| 7027780 | Technique for improving modulation performance of translational loop RF transmitters A transmit signal generated by the baseband processor in a translational loop type RF transmitter is “pre-distorted” so as to counter act magnitude distortion and group delay variation imposed by a narrow PLL signal filter. The pre-distortion occurs in two steps... | 04/11/2006 |
| 7027801 | Method delivering location-base targeted advertisements to mobile subscribers An inventive method and apparatus includes a network of servers for providing information on a push basis to a user or consumer that desires to receive event driven information according to specified conditions. The types of push information include event driven inf... | 04/11/2006 |
| 7027826 | Gateway GPRS support node and method therefor A system for delivering SMS messages to a mobile terminal includes an apparatus and method that deliver the SMS messages either using legacy SMS message formats or data packet formats. Additionally, a connection is created between a message center and a gateway GPRS... | 04/11/2006 |
| 7027825 | GPRS network and method therefor A system for delivering SMS messages to a mobile terminal includes an apparatus and method that deliver the SMS messages either using legacy SMS message formats or data packet formats. Additionally, a connection is created between a message center and a gateway GPRS... | 04/11/2006 |
| 7013118 | High speed operational amplifier design A radio receiver portion of a transceiver includes a differential amplifier that is used to provide a fast response. A pair of input MOSFETs of the differential amplifier stage are coupled to an active load. A voltage follower circuit is coupled to each output stage... | 03/14/2006 |
| 7013117 | Analog power detection for gain control operations A method and apparatus for dynamically controlling a programmable gain amplifier (PGA) in a radio receiver to provide a plurality of gain steps thereby providing automatic gain control (AGC) in a receiver intermediate frequency (IF) stage comprises an analogy peak d... | 03/14/2006 |
| 7002403 | Transconductance/C complex band-pass filter A complex filter such as the channel select filter in a radio transceiver is implemented using a transconductance/C topology to benefit from the ability to tune such filters and thereby stabilize the output transfer function of the filter over variations in temperat... | 02/21/2006 |
| 6975840 | Charge pump for an integrated circuit receiver A radio transceiver includes a charge pump formed within a local oscillator that adjusts a voltage input to a voltage-controlled oscillator in a manner that flattens a response curve for small changes in voltage due to a variety of effects including channel length m... | 12/13/2005 |
| 6975259 | Continuous-time delta-sigma ADC with programmable input range A scaled input current is produced that substantially matches the full scale input of a CTΔτADC that substantially cancels an offset bias current component of the input current. A variable bias resistance value is coupled between the integrator input and one of a ... | 12/13/2005 |
| 6970711 | Dual protocol GPRS message center and method therefor A system for delivering SMS messages to a mobile terminal includes an apparatus and method that deliver the SMS messages either using legacy SMS message formats or data packet formats. Additionally, a connection is created between a message center and a gateway GPRS... | 11/29/2005 |
| 6963563 | Method and apparatus for transmitting cells across a switch in unicast and multicast modes The present apparatus and method of use comprises a system that enables a cell of data to be transmitted one time over a high speed data bus to an switch system where it is then distributed to each of the destinations for which it is intended. A fabric access device... | 11/08/2005 |
| 6961552 | LNA gain adjustment for intermodulation interference reduction The radio receiver includes a low noise amplifier that amplifies a received signal to one of three different gain settings. One gain setting is maximum amplification, a second gain setting is 6 dB below maximum amplification and a third gain setting is 32 dB below m... | 11/01/2005 |
| 6931267 | Bias filtering module including MOS capacitors A bias filtering module with at least two capacitive levels satisfies both a settle time requirement and a filtering requirement using a voltage dependent filter module whose capacitance is a function of a voltage potential on the filtering circuitry output terminal... | 08/16/2005 |
| 6912403 | Method and apparatus for fast forward-link power control and synchronization of base stations A method and apparatus for controlling forward gain transmission values of a base station transceiver system includes adjusting forward gain values according to mobile station power control commands as well as to forward gain values commanded by a base station contr... | 06/28/2005 |
| 6898192 | Method and apparatus for improving fast forward link power control during variable rate operation of CDMA systems The method and apparatus of the present invention includes reducing the power level by a delta value in excess of the reduction in the bit error rate and its proportionate power reduction rate in response to a data rate change. If the bit rate is reduced to eighth, ... | 05/24/2005 |
| 6885921 | Method and apparatus for managing aircraft maintenance records An apparatus and method for an aircraft maintenance server includes a system in which an electronic package is created for delivery to the maintenance personnel. The electronic package includes all of the specific maintenance process tasks that must be performed to ... | 04/26/2005 |
| 6880262 | Continuous time ΔΣ ADC with dithering The present invention employs a mixture of digital signal processing and analog circuitry to reduce spurious noise in continuous time delta sigma analog-to-digital converters (CTΔΣADCs). Specifically, a small amount of random additive noise, also referred to as di... | 04/19/2005 |
| 6870817 | Method and apparatus for monitoring calls over a session initiation protocol network An apparatus and method are formed to add a header to a data packet being transmitted into a data packet network for a communication that is to be monitored. The header causes the data packet to be routed to a specified system node that contains monitoring equipment... | 03/22/2005 |
| 6870492 | Method of near-unity fractional sampling rate alteration for high fidelity digital audio The present invention provides an efficient method for near-unity sampling rate alteration in high performance applications, such as CD to DAT conversion. Specifically, the input digital signal is first interpolated by a factor of eight and lowpass filtered to form ... | 03/22/2005 |
| 6868396 | Method and apparatus for monitoring internet based sales transactions by local vendors An apparatus and a method are provided for facilitating the ability of a local organization to have its products or services displayed to a consumer on a computer monitor in a manner that facilitates their identification by the consumer in the local area. A search e... | 03/15/2005 |
| 6865155 | Method and apparatus for transmitting data through a switch fabric according to detected congestion A switching system includes a switch fabric that includes groups of buffers for each port interface device that communicates with external communication devices through an Ethernet plane. The port interface device is formed to receive congestion ratings reflecting b... | 03/08/2005 |
| 6829550 | Calibration of received signal strength indication within a radio frequency integrated circuit Calibration of received signal strength indication (RSSI) within a radio frequency integrated circuit (RFIC) begins by concurrently enables a transmitter portion and receiver portion. With both the transmitter and receiver enabled, the RFIC provides a zero input to ... | 12/07/2004 |
| 6801577 | Low voltage swing pad driver and receiver A transmitter portion and a receiver portion are implemented within various devices that communicate using low voltage swing pads communicatively coupled via a trace. The transmitter portion of one device generates a current signal that is pushed/pulled to a low vol... | 10/05/2004 |
