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Patent # Description
US-6,223,154 Using vocoded parameters in a staggered average to provide speakerphone operation based on enhanced speech...
A portable communication device (104), such as a cellular telephone, is operable in a speakerphone mode. The communication device uses a digital communication...
US-6,223,035 Method and apparatus for providing a subscriber record for packet data registration of a mobile station
A communications system for providing packet data service to mobile stations (110) performs registration of the mobile station prior to engaging in packet data...
US-6,223,030 Communications operating system and method therefor
A communications operating system is provided herein. The communications operating system having a common communication system comprising a radio frequency...
US-6,222,944 Down-sampling MPEG image decoder
A method and apparatus for decoding, e.g., an MPEG-like video information stream comprising quantized discrete cosine transform (DCT) coefficients representing...
US-6,222,880 Data transmission terminal and contactless data/power delivery method for use therewith
A data transmission system (200) includes a data transmission terminal (201) and a portable data device (203) that is remotely powered by the terminal. A method...
US-6,222,686 Gradient index magnifying lens
An optical display system for magnifying the image of a liquid crystal display cell (314) used in a portable electronic device (310) such as a cellular phone or...
US-6,222,420 Minimizing recovery time
A circuit (70) includes a reset stage (72) and a Phase-Locked Loop (PLL) device (73). The PLL device (73) includes a phase detector (74), a charge pump (75), a...
US-6,222,405 Apparatus and method for generating accurate quadrature over a frequency range
The invention produces an accurate quadrature relationship for a range of frequencies using passive components in the primary quadrature splitting circuits. A...
US-6,222,386 Method and apparatus for providing a low voltage level shift
A wideband level shift circuit (200) used with low voltage ECL or CML topologies. includes a sub-Vbe voltage reference (201) whose output voltage is offset some...
US-6,222,313 Field emission device having a spacer with an abraded surface
A field emission display (100) includes a cathode plate (110) having a plurality of electron emitters (119), an anode plate (120) having a plurality of phosphors...
US-6,222,236 Protection circuit and method for protecting a semiconductor device
An electrostatic discharge (ESD) protection circuit (20) includes an active load circuit (22) connected to a Laterally Diffused Metal Oxide Semiconductor (LDMOS)...
US-6,221,686 Method of making a semiconductor image sensor
An image sensor (10) has an image sensing element that includes an N-type conducting region (26) and a P-type pinned layer (37). The two regions form two P-N...
US-6,221,538 Method for automating manufacture of photomask
A computer system (10) and method for automating manufacture of a photomask. The computer system (10) has a product database (21) that stores information used to...
US-6,221,537 Method of forming mask with angled struts of reduced height
A method of forming a semiconductor device by obtaining a substrate, with a first surface and a second surface, where the substrate has a first material and a...
US-6,220,637 Snap fastener and interlocking tab
Two parts (120, 160) can be mated and secured from relative movement in three different orthogonal directions or planes by the use of a novel, two piece, plastic...
US-D440,959 Messaging device
US-6,219,840 Method for assigning communication resources in a communication system
A method for assigning communication resources includes assigning communication resources (216, 218, 220) in the nature of bandwidth according to various...
US-6,219,791 Method and apparatus for generating and verifying encrypted data packets
A system for encrypting and verifying a data packet includes an encryptor (20), a decryptor (30), an error detector (40), and switch (65). A data packet with...
US-6,219,703 Method and apparatus for constructing a device management information base in a network management station
In a data communication network a network management station (NMS) (102) constructs a device Management Information Base (MIB) for interfacing with a device...
US-6,219,593 Method and apparatus for attitude determination in a multi-nodal system
A method and apparatus determines attitude of a satellite (52) or other communications device traveling in a determinable path. The method comprises determining...
US-6,219,559 Two-way communication system for performing dynamic channel control
A two-way communication system is used for performing dynamic channel control. The two-way communication system comprises a base transceiver (102) and a...
US-6,219,540 Communication device providing out-of-range battery saving and method therefor
A communication device (100) provides an out-of-range battery saving function (700) for a receiver (104) which receives messages transmitted from at least one...
US-6,219,420 High assurance encryption system and method
A processor (22) of an encryption system (20) receives plain text (24) and operates an encryption algorithm to convert the plain text (24) to cipher text (26). A...
US-6,219,389 Receiver implemented decoding method of selectively processing channel state metrics to minimize power...
A receiver implemented decoding of selectively processing channel state metrics to minimize power consumption and reduce computational complexity. The method...
US-6,218,973 Binary random number generator
A random number generator includes a sample clock having a sample clock rate, a chaotic oscillator having a characteristic upper frequency, and an output...
US-6,218,942 Radio frequency identification tag exciter/reader
A radio frequency identification tag exciter/reader (10) is arranged for operation in association with an article transport device (100). The radio frequency...
US-6,218,733 Semiconductor device having a titanium-aluminum compound
The present invention includes a process for forming an intermetallic layer and a device formed by the process. The process includes a reaction step where a...
US-6,218,302 Method for forming a semiconductor device
An interconnect (60) is formed overlying a substrate (10). In one embodiment, an adhesion/barrier layer (81), a copper-alloy seed layer (42), and a copper film...
US-6,218,200 Multi-layer registration control for photolithography processes
A multi-level registration control system for a photolithography process includes a photolithography device that prints first, second and third layers on a...
US-6,217,660 Method for cleaning a throttle valve and apparatus
An improved method of cleaning a throttle valve and an apparatus for facilitating such cleaning. The method of cleaning a throttle valve is provided by applying...
US-6,217,623 Method of fabricating an electrochemical device
A method (80) of manufacturing an electrochemical cell having electrodes and a separator element is disclosed. The method comprises the steps of providing (81) a...
US-D440,671 Vented roof enclosure
US-D440,560 Dual-tone multi-frequency microphone
US-6,216,251 On-chip error detection and correction system for an embedded non-volatile memory array and method of operation
A microcontroller (100) has a CPU (102) and memory (104). Memory (104) contains a memory array (200). A large portion of the array (200) is used to contain...
US-6,216,213 Method and apparatus for compression, decompression, and execution of program code
During a compressing portion, memory (20) is divided into cache line blocks (500). Each cache line block is compressed and modified by replacing address...
US-6,216,086 Driver preference responsive vehicle route planning system
A vehicle route planning system takes a trip origin location and a trip destination location provided by the driver then considers alternative routes, taken from...
US-6,216,015 Wireless subscriber unit and method for managing smart card data
A wireless subscriber unit (30) includes a memory manager (46) capable of communicating with a plurality of smart cards (44). The memory manager (46) is...
US-6,216,006 Method for an admission control function for a wireless data network
A method for allowing new traffic on a wireless data network. A service request is received from a mobile station (100). An effective bandwidth of the service...
US-6,215,999 Method and apparatus for identifying channels and channel frequencies used in a subzone of a wireless...
A controller (112) performs at least one of (a) alternating (700) first and second SCI frames in a subzone, and (b) identifying (800) private data channels. In...
US-6,215,995 Subscriber unit and method for updating a function value
In a wireless communication system (10), a wireless subscriber unit (26) contains a function key (52) for performing an operation on a function value (50). The...
US-6,215,834 Dual bandwidth phase locked loop frequency lock detection system and method
A dual bandwidth PLL based clock generation circuit that enables device execution after frequency/phase lock has been safely achieved is provided. A PLL (410)...
US-6,215,831 Decoder circuit using bit-wise probability and method therefor
A decoder circuit includes a probability circuit which generates branch metrics using bit-wise probabilities representing frame-to-frame correlation...
US-6,215,792 System, device, and method for initial ranging in a communication network
A system, device, and method for initial ranging dynamically adjusts the backoff window size used during a ranging and adjustment process in an attempt to...
US-6,215,780 Method and system for synchronous code division multiplexed communications
In a code division multiplexed system, a subscriber unit (260, FIG. 1), which includes a pseudonoise code generator (70), is synchronized with the pseudonoise...
US-6,215,707 Charge conserving write method and system for an MRAM
A charge conserving write method and apparatus to reduce average write current in integrated circuit (IC) magnetoresistive random access memory (MRAM) systems....
US-6,215,667 Mounting system and method
A mounting system (10) and method for adjusting the position of a PCB (14) in a housing (22) therefor is provided. An annular, stepped mounting member (16)...
US-6,215,661 Heat spreader
An electronic package (10) designed to be mounted in a space vehicle includes active electronic components that produce heat energy during operation and has a...
US-6,215,645 Differential capacitor structure
A differential capacitor structure (10) formed overlying a substrate (12) having a middle layer (24) disposed between a lower layer (18) and an upper layer (28)....
US-6,215,474 Communication device with mode change softkeys
A communication device (100) operates in first and second modes of operation including a dispatch mode of operation and a telephone mode of operation. The device...
US-6,215,430 Method and apparatus for processing a digital signal for analog transmission
In a digital preprocessing system for processing a digital signal for analog transmission, the digital signal is up-sampled to produce a digital up-sampled...
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