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Patent # Description
US-8,159,382 Low power converter and shutdown SAR ADC architecture
With Successive Approximation Register (SAR) analog-to-digital converters (ADCs), there are several different architectures. One of these architectures is a...
US-8,159,377 System, method, and circuitry for blind timing mismatch estimation of interleaved analog-to-digital converters
A timing skew estimation system is disclosed that includes a plurality of interleaved analog-to-digital converter circuits (ADCs), a timing mismatch estimation...
US-8,159,244 Method and system for testing a semiconductor package
A method and system for testing a semiconductor package. At least some of the illustrative embodiments are methods comprising testing a semiconductor package...
US-8,159,207 Low drop voltage regulator with instant load regulation and method
An LDO regulator (10) produces an output voltage (Vout) by applying the output voltage to a feedback input (6) of a differential input stage (10A) and applying...
US-8,159,199 On-chip voltage supply scheme with automatic transition into low-power mode of MSP430
An integrated electronic device includes circuitry for providing a system supply voltage from a primary power supply. The circuitry has a high power (HP) stage...
US-8,158,460 Method of forming metallic leadframes having laser-treated surfaces for improved adhesion to polymeric compounds
A leadframe for the assembly of a semiconductor chip has regions (112) with an original smooth surface of glossy appearance and regions (113, 114, 210) of a...
US-8,157,388 System and method for a projection display system using an optical lightguide
A system and method for using an optical lightguide in a projection display system. A plurality of light sources provides a plurality of colored light to a...
US-8,156,394 Selectively accessing test access ports in a multiple test access port environment
A TAP linking module (21, 51) permits plural TAPs (TAPs 1-4) to be controlled and accessed from a test bus (13) via a single TAP interface (20).
US-8,156,334 Public key out-of-band transfer for mutual authentication
Methods for key exchange and mutual authentication are provided that allow for inherent authentication and secret key derivation of parties communicating...
US-8,156,283 Processing function connected to processor memory hierarchy
Apparatus and method for employing a Hardware Processing Function in a processor system using a hierarchical memory. Embodiments of the disclosed invention may...
US-8,155,972 Seamless audio speed change based on time scale modification
This invention involves time-scale modification of audio signals. The invention describes overlap and add time scale modification with variable input and output...
US-8,155,600 Digital communication using an inexpensive reference crystal
Systems and methods for digital communication using an inexpensive reference crystal are described herein. Some illustrative embodiments include a method that...
US-8,155,256 Method and apparatus for asynchronous clock retiming
A time to digital converter is used to determine which edge of the higher frequency clock (oversampling clock) is farther away from the edge of the lower...
US-8,155,217 Systems and methods for low-complexity MIMO detection with analytical leaf-node prediction
Systems and methods for providing multiple-input multiple-output (MIMO) detection, comprising a leaf node predictor for receiving a processed communications...
US-8,155,164 Spread frequency spectrum waveform generating circuit
The objective of this invention is to provide a circuit that generates a spread frequency spectrum waveform with shaped frequency spectrum distribution. The...
US-8,155,023 MIMO with reserved subframes in primary and secondary base stations
Embodiments of the invention provide a method to efficiently enable Network MIMO for use in the downlink direction. An association is established between a...
US-8,154,938 Memory array power domain partitioning
An integrated circuit containing a nonvolatile memory circuit which contains memory segments and sense amplifier banks individually powered by a power decoder...
US-8,154,782 Method and system for generating a drive signal for a MEMS scanner
A method for generating a drive signal for a micro-electro-mechanical system (MEMS) scanner is provided. The method includes generating the drive signal for the...
US-8,154,443 Method and system for GNSS coexistence
A system and method for operating a wireless transmitter and a global navigation satellite ("GNSS") receiver coexistent in a mobile wireless device. A mobile...
US-8,154,350 PLL with continuous and bang-bang feedback controls
An apparatus is provided. The apparatus comprising a voltage controlled oscillator (VCO), an amplifier, a switch, a calibration capacitor, and a control loop....
US-8,154,337 Apparatus and method for automated offset reduction in matched differential input devices
An amplifier includes an input stage, a comparator coupled to an output of the differential input stage, and a trimming controller coupled to an output of the...
US-8,154,253 Cell voltage abnormality detector and cell voltage monitoring device for a multi-cell series battery
A circuit for detecting battery cell abnormalities in a multi-cell series battery for effectively and quickly detecting abnormalities with a simple, small...
US-8,154,222 Pulse-width modulation current control with reduced transient time
One embodiment of the present invention includes a current regulator circuit. The circuit includes at least one switch configured to periodically couple and...
US-8,154,134 Packaged electronic devices with face-up die having TSV connection to leads and die pad
A packaged electronic device includes a leadframe including a die pad, a first, second, and third lead pin surrounding the die pad. An IC die is assembled in a...
US-8,154,117 High power integrated circuit device having bump pads
An integrated circuit (IC) includes a substrate having a semiconducting surface, a first array of devices on and in the semiconducting surface including first...
US-8,154,109 Leadframe having delamination resistant die pad
A lead frame (410) including a die pad (100) for mounting at least one integrated circuit (405) thereon and a plurality of lead fingers (413). The die pad (100)...
US-8,154,101 High voltage diode with reduced substrate injection
A high voltage diode in which the n-type cathode is surrounded by an uncontacted heavily doped n-type ring to reflect injected holes back into the cathode...
US-8,153,353 Ultra dark polymer
A method and a material for creating an antireflective coating on an integrated circuit. A preferred embodiment comprises applying a dark polymer material on a...
US-8,151,995 Methods and apparatus to prevent mold compound feeder jams in systems to package integrated circuits
Methods and apparatus to preventing mold feeder jams in a system to package integrated circuits. An example method includes detecting if a mold compound tablet...
US-8,151,031 Local memories with permutation functionality for digital signal processors
A digital signal processor (DSP) co-processor according to a clustered architecture with local memories. Each cluster in the architecture includes multiple...
US-8,150,336 Apparatus and method for adaptive polar transmitter linearization and wireless transmitter employing the same
A polar transmitter and a method of linearizing a polar transmitter. In one embodiment, the transmitter includes: (1) a transmit chain having a predistorter...
US-8,150,335 Apparatus and method for adaptive cartesian transmitter linearization and wireless transmitter employing the same
A Cartesian transmitter and a method of linearizing a Cartesian transmitter. In one embodiment, the transmitter includes: (1) a transmit chain configured to...
US-8,150,199 Methods and apparatus for image enhancement
A method and apparatus of enhancing an image, the method comprising applying at least one multi-scale filter bank to at least a portion of an image to detect at...
US-8,149,938 Transmission of ACK/NACK bits and their embedding in the CQI reference signal
A transmission of information within a wireless cellular network may include a first and second type of information. A subframe is produced that includes a...
US-8,149,296 Solid-state image pickup device
This invention is a solid-state image pickup device that solves the problem of limited dynamic range in the high luminance region in an image sensor having...
US-8,149,252 Duty cycle calculation and implementation for solid state illuminators
A display uses x illuminator systems to produce x primary colors and y overlap colors, which are combinations of primary colors, to illuminate a spatial light...
US-8,149,040 Apparatus for generating a plurality of different voltage level clock signals
A system is provided for generating a plurality of different voltage level clock signals. The system comprises an electrical energy storage pack having a...
US-8,148,963 Self-oscillating converter
A converter has a main feedback path and two auxiliary feedback paths from an output node to an auxiliary differential input pair of a comparator. The auxiliary...
US-8,148,914 Dynamic power saving pulse width modulated LED driver circuit
In accordance with an aspect of the present invention, an LED driving circuit includes a digital-to-analog converter and a driving portion. The circuit is...
US-8,148,228 Surface patterned topography feature suitable for planarization
A method for manufacturing a semiconductor device that comprises implanting a first dopant type in a well region of a substrate to form implanted sub-regions...
US-8,146,031 Method for generating and evaluating a table model for circuit simulation
A method for generating and evaluating a table model for circuit simulation in N dimensions employing mathematical expressions for modeling a device. The table...
US-8,145,962 TAP interface select circuit with TMS/RCK or RCK lead
This disclosure describes a reduced pin bus that can be used on integrated circuits or embedded cores within integrated circuits. The bus may be used for serial...
US-8,144,807 Crosstalk cancellation in digital subscriber line communications
A digital subscriber line (DSL) modem that has a canceller digital filter for cancelling crosstalk and RF interference in a received DSL signal is disclosed....
US-8,144,747 Primary and secondary synchronization codes from first, second, third sequences
A wireless communication system. The system comprises transmitter circuitry (BST1), the transmitter circuitry comprising encoder circuitry (50) for transmitting...
US-8,144,533 Compensatory memory system
A compensatory memory system is described. This memory system substantially improves performance by adapting an associated delay in a way that optimizes circuit...
US-8,144,321 Encoding optical spectra using a DMD array
According to one embodiment of the present invention, a system for encoding an optical spectrum includes a dispersive element, a digital micromirror device...
US-8,144,043 Shaping inter-symbol-interference in sigma delta converter
A signal converting system is described that has a multi-segment digital to analog converter coupled to one or more error shaping loops. Each error shaping loop...
US-8,143,955 Oscillator circuit for radio frequency transceivers
Oscillator circuit for radio frequency transceivers. An oscillator circuit includes a first oscillator that generates a signal having a first frequency and a...
US-8,143,944 Method and apparatus for sensing a current for varying impedance loads
Recently, there has been an increased desire to measure load currents of class-D amplifiers to improve performance. The traditional solution has been to include...
US-8,143,812 Clamp to enable low voltage switching for high voltage terminal applications
An output stage for an LED driver is provided. In particular, a low voltage clamp, which uses several cascode circuits, is provided to protect low voltage...
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