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| Patent # | Description |
|---|---|
| US-6,198,907 |
Satellite communications systems using satellites in a zero-drift
constellation A zero-drift constellation (200 FIG. 2) is used to simplify the tracking and hand-off requirements of terrestrial-based user terminals (110 FIG. 1). Each... |
| US-6,198,782 |
Estimation of frequency offsets in OFDM communication systems Apparatus for estimating carrier and clock frequency offsets in OFDM systems employs a maximun likelihood estimator operation on the demodulated signals. The... |
| US-6,198,779 |
Method and apparatus for adaptively classifying a multi-level signal A radio receiver circuit (200) is used for receiving a multi-level signal (201) that includes a plurality of symbols, wherein each level is representative of a... |
| US-6,198,776 |
Device and method for precoding data signals for PCM transmission A device and method for preceding data signals for pulse code modulation (PCM) transmission includes a transmitter for transmitting a sequence of analog levels... |
| US-6,198,748 |
Data transmission system and method A data transmission system identifies the length of communicated messages and adjusts interleave depth in response to the length of the communicated message. The... |
| US-6,198,735 |
Method for retransmitting a data packet in a packet network The present invention provides a method for retransmitting a data packet in a packet network. Compressed data packets are sent from a first network entity to a... |
| US-6,198,730 |
Systems and method for use in a dual mode satellite communications system A communications network is capable of using time division multiple access (TDMA) techniques, code division multiple access (CDMA) techniques, or a combination... |
| US-6,198,444 |
Double pole limit switch having an actuator as a pole A double pole limit switch (340) includes an insulator (410), a conductive spring element (420), and a conductive element (430). The conductive spring element is... |
| US-6,198,406 |
Method and apparatus for providing a predictable upper bound for a channel
search time of a portable subscriber... A portable subscriber unit (PSU) (222) operating in a plurality of messaging systems selects (605) a first messaging system to monitor for messages. The PSU then... |
| US-6,198,348 |
Differential circuit with reverse isolation A differential circuit (200) provides for reverse isolation between input and output ports (202, 204). The differential circuit has amplification circuitry that... |
| US-6,198,314 |
Sample and hold circuit and method therefor A sample and hold circuit (200) accepts an input (202). During a first half of the clock (204) (either an active high portion or an active low portion) the... |
| US-6,197,688 |
Interconnect structure in a semiconductor device and method of formation In one embodiment, a conductive interconnect (38) is formed in a semiconductor device by depositing a dielectric layer (28) on a semiconductor substrate (10).... |
| US-6,195,536 |
Impedance matching for a dual band power amplifier An exciter matching circuit (125), interstage matching circuit (134), and harmonic filter matching circuit (140) match impedances at the input to a two-stage... |
| US-6,195,342 |
Method for determining hand-off candidates in a neighbor set in a CDMA
communication system A CDMA communication system (400) includes a plurality of base stations (410, 420 and 430) transmitting at least a corresponding plurality of pilot signals. A... |
| US-6,195,052 |
Radio communication device A radio communication device (10) has a controller (11), an antenna mount (12), a reference voltage source (13), a voltage bias supply (14), transceiver... |
| US-6,195,051 |
Microstrip antenna and method of forming same A microstrip antenna (300) includes a substrate (302) having an inner ground plane layer (322) around which a radiator element is folded so as to form first and... |
| US-6,195,037 |
Method and apparatus for increased system capacity using antenna
beamforming In a satellite communications system (100), system capacity is improved using a satellite (110 and 120) that includes a main mission antenna (MMA) (310 FIG. 3),... |
| US-6,194,990 |
Printed circuit board with a multilayer integral thin-film metal resistor
and method therefor A thin-film metal resistor (44) suitable for a multilayer printed circuit board (12), and a method for its fabrication. The resistor (44) generally has a... |
| US-6,194,975 |
Dual band VCO with improved phase noise A dual band VCO selects between the oscillator output frequencies by switching the resonant circuit elements in the active circuit. For each output frequency... |
| US-6,194,250 |
Low-profile microelectronic package A microelectronic package (10) is formed by placing a lead frame (22) onto an adhesive polyimide tape (38). The lead frame (22) includes a plurality of metallic... |
| US-6,194,246 |
Process for fabricating electronic devices having a thermally conductive
substrate A process for fabricating an electronic module (30) and a packaged electronic device (56) having a thermally conductive substrate includes the step of thermally... |
| US-6,194,089 |
Organic electroluminescent device with improved reliability An organic EL device includes a cathode, an organic electroluminescent layer and an anode, laminated in sequence. The organic layer is composed of a continuous... |
| US-6,192,449 |
Apparatus and method for optimizing performance of a cache memory in a data
processing system A most recently used bit (25) is used to determine if a data transfer should occur from a fill buffer (20) into a data memory (32) in a cache (15). If the data... |
| US-6,192,353 |
Multiresolutional classifier with training system and method An improved method and system for training and classifying using a low complexity and high accuracy multiresolutional polynomial classifier (412) is presented. A... |
| US-6,192,256 |
Devices for transmitter path weights and methods therefor A receiving communication device (101) receives a reference signal transmitted through at least one of the antennas (106, 110, 112) of an antenna array of a... |
| US-6,192,253 |
Wrist-carried radiotelephone An improved wrist-carried radiotelephone includes a first housing including a microphone, a display and a radio transceiver. A second housing includes a latch, a... |
| US-6,192,247 |
Method for extending the cell radius between a mobile station and a base
station The present invention provides a method for extending the cell radius between a mobile station (101) and a base station (103). A propagation delay is determined... |
| US-6,192,245 |
Method for determining handover in a multicellular communications system A method for determining a handover for a mobile station (1) in a multicellular communication system having a serving cell (3), a plurality of neighboring cells... |
| US-6,192,240 |
Advanced subscriber outage notification methods Advanced subscriber outage notification methods (100) notify a user of a subscriber unit (30) that its call is going to be dropped. The subscriber unit (30), the... |
| US-6,192,226 |
Carrier squelch processing system and apparatus Carrier squelch decisions are made by performing the steps of receiving an input signal (D), free of DC offset, having desired and undesired signal components,... |
| US-6,192,158 |
Wavelet image coder using trellis-coded quantization A system (8) for digital processing of optical image data includes a wavelet decomposition unit (12) for decomposing an input image (10) into a plurality of... |
| US-6,192,089 |
Electronic circuit and method for automatic frequency control An automatic frequency control circuit (84) and a method for automatic frequency control in a digital receiver includes a CORDIC vector rotation processor (88),... |
| US-6,192,040 |
Method and apparatus for producing channel estimate of a communication
channel in a CDMA communication system A method and apparatus in WCDMA communication system includes extracting pilot symbols (462-5) of (2-M) plurality of communication channels of (1-M) plurality of... |
| US-6,192,037 |
Method for changing communication in a communication system, and
communication system therefor The present invention provides a method for changing communication in a communication system (100). The communication system (100) includes a base station... |
| US-6,192,029 |
Method and apparatus for performing flow control in a wireless
communications system A data communications system includes a server router (102), such as an access controller gateway, operably coupled to at least one client router (104), such as... |
| US-6,191,973 |
MRAM CAM An integrated circuit (IC) magnetic random access memory (MRAM) content addressable memory (CAM) system has a CAM cell which includes a first data bit, a second... |
| US-6,191,738 |
Method and apparatus for locating a remote unit within a communication
system Determining a timing offset for remote-unit (113) location is accomplished by comparing a known sequence (203) to the information (201) transmitted by the remote... |
| US-6,191,665 |
Coupling circuit to reduce intermodulation distortion in radiofrequency
receivers A coupling circuit (22) for a radiofrequency (RF) receiver (10) has an attenuator (38) and a resonator (40). Three resistors (42,44,46) of attenuator (38)... |
| US-6,190,737 |
Metalized elastomers A method (10) for coating a substrate including at least an elastomer substrate portion with a conductive coating is described. The method includes steps of (i)... |
| US-6,189,133 |
Coupling noise reduction technique using reset timing False transitions resulting from capacitive coupling between parallel interconnects driven by dynamic circuits are reduced by classifying interconnects based on... |
| US-6,189,125 |
Method communication system and phone for systematic encoding and
computationally efficient decoding for... The present invention provides a method (600), phone (209), and communication system (202) including a systematic encoder (204) adapted to receive input data... |
| US-6,189,061 |
Multi-master bus system performing atomic transactions and method of
operating same A multi-master bus system (10) comprises bus (12), a plurality of bus devices (14, 16, 18, 20, 22, 24), coupled to the bus, including masters (14, 16, 18), and... |
| US-6,189,035 |
Method for protecting a network from data packet overload An internal network (16) is protected from being overloaded by an excessive number of data packets that originate from a source in an external network (10). In a... |
| US-6,188,979 |
Method and apparatus for estimating the fundamental frequency of a signal A method and apparatus for improved pitch period (.tau.) estimation in a compression system is disclosed. The system uses original estimates of integer lag... |
| US-6,188,904 |
Method for improving communication coverage in multi-cell communication
systems The present invention provides a method for improving the communication coverage in a multi-cell communication system (100) which employs neighbor cell lists. A... |
| US-6,188,881 |
Belt clip and device using the same The housing (12) for a portable device (10) has a cavity (40) which engages a boss (28) on a U-shaped clip (22) to prevent a relative rotation between the... |
| US-6,188,767 |
Method of providing group call services in a CDMA communications system The present invention encompasses a base station and method of providing communication services to a plurality of communication units. The method includes the... |
| US-6,188,287 |
Method and apparatus for reducing phase noise in a voltage controlled
oscillator circuit A phase noise optimization circuit (208) minimizes phase noise for a voltage controlled oscillator (VCO) (202). Control circuitry (214) locates a minimum phase... |
| US-6,187,682 |
Inert plasma gas surface cleaning process performed insitu with physical
vapor deposition (PVD) of a layer of... A method for insitu performing a cleaning operation along with a physical sputtering operation begins by placing a wafer (26) into a chamber (12). A plasma (30)... |
| US-6,187,216 |
Method for etching a dielectric layer over a semiconductor substrate A wet etch bath (61) holds a wet etchant (52) for etching a dielectric over a semiconductor substrate. The wet etch bath (61) has a tub (63) separated from a... |
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