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Electronic ballast with lamp current valley-fill power factor correction
An electronic ballast (10) for powering at least one gas discharge lamp (30) includes a rectifier circuit (100), a line blocking rectifier (220), a bulk...
Temperature coefficient of offset adjusted semiconductor device and
A non-zero temperature coefficient of offset (Tco) in a semiconductor device (5) is adjusted by reducing the amount of adhesive material used to secure a first...
Concurrent component mounter and method of concurrently mounting
A concurrent component mounter (1) having storage hoppers (2) and a template (3) with component dispensing outlets (4). The mounter (1) also has communication...
Cable modem housing
Housing for a selective call device
Indication of coverage area limits within digital communication systems
A digital radio frequency ("RF") communication unit (103, 104) measures digital signal quality based on received signal strength information ("RSSI") and/or bit...
Method and apparatus for providing internet service at a subscriber
A multimedia interface station (102) establishes a multimedia sensory data link between the Internet (108) and a subscriber premise (112) eliminating an Internet...
Scalable wireless communication network and method
A wireless communication system (100) includes a plurality of base station controllers (BSCs) (114, 116) logically sharing a plurality of base transceiver...
Method and system for estimating a communication mode quality in a
wireless communications system
In a wireless communications system, a subscriber unit transmit power is determined. Thereafter, a power margin is determined by subtracting the subscriber unit...
Method and apparatus for communicating signals of various channel types
in CDMA communication system
In a code division multiple access communication system providing a plurality of communication type services between a first unit (100) and a second...
Method and apparatus for reducing peak-to-average power ratio of a
composite carrier signal
A peak-reducing waveform is estimated and summed with a composite signal to reduce the peak-to-average power ratio of the composite signal. The estimate of the...
Non-volatile memory with over-program protection and method therefor
A floating-gate non-volatile memory (30) uses a relatively-low threshold voltage to define a programmed state. The memory (30) compensates for fast program cells...
Quantum random address memory with piezo readout
A quantum random address memory with piezo readout includes a plurality of address ports providing a low dimensional plurality of addresses, readout structure...
Method and apparatus for efficient reverse channel utilization in a
two-way messaging system
A selective call transceiver (122) includes a receiver (303) and a transmitter (301) coupled to a processor (308) serving as a decoder and an encoder. The...
Method and apparatus for high efficiency power amplification
A method and apparatus for efficient power amplification of a wideband signal with a correspondingly wide modulation bandwidth includes an envelope detector...
A harmonic generator (20) converts an input signal (24) at a fundamental frequency (28) into an output signal (32) at a harmonic frequency (34). A non-linear...
Apparatus and method for a low power latchable adder
A high speed, low power 3-2 adder (300, 500) with latchable outputs comprises a most significant bit (MSB) adder circuit (100) and a least significant bit (LSB)...
Field emission device having a non-coated spacer
A field emission display (100) includes a cathode plate (102) having a plurality of electron emitters (124), an anode plate (104) opposing the cathode plate...
Semiconductor package having isolated heatsink bonding pads
A heatsink having isolated bonding pads formed on the heatsink eliminates breaking of the wire bond, lifting of the wire bond to the heatsink, and die attach...
Semiconductor device having plated contacts and method thereof
A package substrate (11) having access to a plating bus (36, 38) through intermediate routing layers (4, 6). Specifically, electrical contact between a solder...
Method of processing a substrate utilizing specific chuck
A substrate (10) having a central region (32) and a peripheral region (34) is processed using a chuck (40) that contacts peripheral regions (34) of the substrate...
Calorimetric hydrocarbon gas sensor
A calorimetric hydrocarbon gas sensor (10) includes an electrochemical oxygen pump (18), a sensing element (12), and a multi-layered substrate (26) separating...
Adjustable carrier assembly for a wireless communication device
An adjustable carrying assembly for a wireless communication device, such as a radiotelephone. The carrying assembly is comprised of a device support member...
Housing for a portable communications device
Apparatus and method for data processing
A data processing system (100) of the present invention analyses input data (10) for statistical similarities in time and determines processing steps depending...
Method of providing a subscriber unit with neighbor cell information
during ongoing communication
A subscriber (510) to a radio communication system acquires new neighbor cell information after switching to a new server site (530) during lulls in an ongoing...
Communication system to communication system gateway method and apparatus
A method and apparatus of linking communication systems of different types. Call requests are directed from a sourcing communication unit in a first ...
Method for establishing communications in wireless communication systems
having multiple switching centers
A terminating switching center (101-103) receives an initial address message from an originating switching center (101-103). Responsive to the initial address...
Multiple smart card phone and method
A telephone, such as a radiotelephone, is provided having the capability to concurrently operate with two subscriber identification module (SIM) cards. The...
Automatic layout standard cell routing
A method of interconnecting transistors and other devices in order to optimize area of a layout of a cell while honoring performance constraints (1502) and...
Method and apparatus for enhanced communication capability while
maintaining standard channel modulation...
In a radio communication system (100), enhanced communication capability is provided while maintaining standard channel modulation compatibility. At a ...
Hierarchical resource hopping method, system, base station, head-end
unit, and subscriber unit for variable...
A method (300), system (400), base station (500), head-end unit (600), and subscriber unit (700) provide for efficient resource hopping in a communication system...
Self synchronizing network protocol
A self synchronizing network protocol which allows networks to become self synchronizing. Two pairs of nodes communicate in an ad hoc packet radio network....
Method for transmitting multiple-protocol packetized data
A data communication system employs a method (400) for transmitting packetized data (100) using a combination of well known transmission techniques, such as...
Method and apparatus for allocating resources between queued and
In a resource allocator (106), a reserved resource group comprising at least one communication resource is maintained for use in supporting non-queued services....
Radio unit, method of communicating between radio units over a
communications channel and method of preparing a...
A radio unit (12) for communication over a communication channel (300) having repeating frames. The radio unit has a memory (131) with a table (280) of time...
Method and apparatus for tracking a communication signal in a wireless
The method for tracking a mobile communication signal, which operates in a code division multiple access wireless communication system including an antenna...
Method of handing off and a wireless communication device
A wireless communication device (100) can be handed off while operating in the slotted mode of a CDMA system. The wireless communication device (100) stores,...
Magnetoresistive random access memory device providing simultaneous
reading of two cells and operating method
A magnetoresistive random access memory (MRAM) having a novel circuit configuration (40) is provided. The MRAM device includes a plurality of magnetic memory...
Electrochemical capacitor with solid electrolyte
A capacitor (100) includes first and second electrodes (102, 103) that each have an electroactive material (115, 120) disposed on a metallic substrate (105,...
Intercalation-based voltage variable capacitor
A voltage variable capacitor (VVC) is made by placing an intercalation compound between two electrodes of a capacitor. The VVC has a reservoir of an intercalant...
Method, system, and article of manufacture for producing a network
A method of producing a network navigation device which includes writing machine-readable data (16) to a substrate (12), and writing a human-viewable image (14)...
Sigma delta data converter with feed-forward path to stabilize
integrator signal swing
A sigma delta analog-to-digital converter (100) comprising a second or third order integrator block (105) featuring a feed-forward connection path between the...
Distributed MMIC active quadrature hybrid and method for providing
in-phase and quadrature-phase signals
A distributed MMIC active quadrature hybrid (10) provides in-phase (I) and quadrature-phase (Q) outputs (22, 24) over an octave bandwidth. The quadrature hybrid...
Self-biased voltage controlled oscillator (VCO) method and apparatus
A method and apparatus for biasing the voltage controlled oscillator (VCO) (110) of a Phase Locked Loop (PLL) (100) includes a bias circuit (114) providing a...
Method for ultra-rapidly charging a rechargeable battery using
multi-mode regulation in a vehicular recharging...
A method (200) for charging a nickel cadmium, nickel-metal hydride or lithium-ion battery cell using an ultra-fast vehicular charging system includes determining...
Method of making a semiconductor device using chemical-mechanical
polishing having a combination-step process
A method of chemical-mechanical polishing of a semiconductor device utilizes a combination of polishing steps, including a first step using a first slurry...
Process for forming field isolation
Field isolation regions are formed using oxidation-resistant spacers or plugs that completely fill trenches within a semiconductor substrate prior to forming the...