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| Number | Title | Issue Date |
| 8143829 | Adaptive synchronous rectification of brushless DC motor back-EMF An embodiment of a disk drive power system is described. The system is operable such that during power interruption, the system taps electric power by rectifying the back-EMF generated across each winding of a DC motor and supplying power to a voice-coil motor to pa... | 03/27/2012 |
| 8030988 | Method for generating multiple incremental output voltages using a single charge pump chain A method and apparatus for generating multiple voltage level outputs from a single series of charge pump stages. The apparatus includes a plurality of voltage output circuits electrically connected in series. A selected number of the voltage output circuits include ... | 10/04/2011 |
| 8018036 | Ultra-thin quad flat no-lead (QFN) package An ultra-thin Quad Flat No-Lead (QFN) semiconductor chip package having a leadframe with lead terminals formed by recesses from both the top and bottom surfaces and substantially aligned contact areas formed on either the top or bottom surfaces. A die is electricall... | 09/13/2011 |
| 8013438 | Semiconductor package with a stiffening member supporting a thermal heat spreader A semiconductor package includes a substrate board and a semiconductor die attached to a top surface of that substrate board. A heat spreader is provided over the semiconductor die. A stiffening ring is positioned surrounding the semiconductor die, the stiffening ri... | 09/06/2011 |
| 8004340 | System and method for a semiconductor switch In one embodiment, a semiconductor circuit for coupling a first node to a second node includes a first transistor having a first terminal coupled to the first node, a second terminal coupled to the second node, and a control terminal coupled to a control node. The c... | 08/23/2011 |
| 7982723 | Multiple touch location in a three dimensional touch screen sensor A touch screen capable of correctly identifying multiple touches employs multiple active line arrays oriented to provide multi-dimensional data. Three arrays of capacitance based active lines are each distinctly oriented to form a plurality of intersections. A first... | 07/19/2011 |
| 7961888 | Method and system for enhancing bass effect in audio signals The quality of music output from audio systems is improved by simulating the effect of low frequency signals in the human ear. This thus allows listeners to perceive the lower frequency signals, even though the speakers may be incapable of providing such low frequen... | 06/14/2011 |
| 7956475 | Step cavity for enhanced drop test performance in ball grid array package A ball grid array (BGA) package includes a substrate layer having first and second sides. A semiconductor chip is attached to the first side of the substrate layer by a dielectric adhesive layer. A plurality of solder balls are attached to the second side of the sub... | 06/07/2011 |
| 7956345 | CNT devices, low-temperature fabrication of CNT and CNT photo-resists A method is provided for growth of carbon nanotube (CNT) synthesis at a low temperature. The method includes preparing a catalyst by placing the catalyst between two metal layers of high chemical potential on a substrate, depositing such placed catalyst on a surface... | 06/07/2011 |
| 7953286 | Automatic contrast enhancement In a process for enhancing contrast of an image having pixels in different brightness intensities, a histogram in discrete bins is generated. Each bin represents a pixel population of at least one pixel brightness intensity. A peak and a peak region of the histogram... | 05/31/2011 |
| 7948114 | Apparatus and method for providing a power switch array with adjustable current rating power switches An apparatus and method are disclosed for providing a power switch array with adjustable current rating power switches. A plurality of current rating power switches is provided that connects a power supply unit to a plurality of device ports. A power switch array co... | 05/24/2011 |
| 7924085 | Negative analog switch design A transmission gate includes first and second MOS transistors of opposite conductivity type coupled in parallel with each other. Each transistor includes a body connection that is separately biased by corresponding first and second biasing circuits. The first biasin... | 04/12/2011 |
| 7919361 | Semiconductor package with position member The present disclosure provides a very thin semiconductor package including a leadframe with a die-attach pad and a plurality of lead terminals, a die attached to the die-attach pad and electrically connected to the lead terminals via bonding wires, a position membe... | 04/05/2011 |
| 7849255 | Pseudo-bidimensional randomly accessible memory using monodimensional sequentially-accessiblle memory structure A memory comprises at least one array of memory elements, a partition of the at least one array into a plurality of sub-arrays of the memory elements, and an array configuration circuit for selectively putting the at least one array in one of two operating configura... | 12/07/2010 |
| 7873515 | System and method for error reconstruction of streaming audio information A method includes receiving a sequence of frames containing audio information and determining that a frame is missing in the sequence of frames. The method also includes comparing the frame that precedes the missing frame to the received frames to identify a selecte... | 01/18/2011 |
| 7873510 | Adaptive rate control algorithm for low complexity AAC encoding A system and method for adaptive rate control in audio processing is provided. The process could include receiving uncompressed audio data from an input and generating MDCT spectrum for each frame of the uncompressed audio data using a filterbank. The process could ... | 01/18/2011 |
| 7825959 | System and method for flicker DC offset detection and correction The present disclosure provides a method for detecting flicker DC voltage offset. The method includes receiving an output signal of an image sensor, the output signal comprising a reference signal and an image signal, and generating a combined signal by combining th... | 11/02/2010 |
| 7816182 | Simplified multichip packaging and package design A multichip integrated circuit apparatus includes first and second integrated circuit die mounted on opposite sides of a leadframe die paddle, with at least one of the integrated circuit die extending further toward the leads than does the die paddle. With this arra... | 10/19/2010 |
| 7800324 | Continuous mode velocity control of voice coil motor A method of controlling the velocity of a voice coil motor (VCM), including sensing a voltage difference between the VCM and a sense resistor and driving a velocity control loop (VCL) based on the voltage difference. There is also a control loop circuit, including a... | 09/21/2010 |
| 7800322 | Isolation circuit for DC power sources The electrical isolation circuit of the present disclosure includes a switch coupled between the DC power source and the electrical application and a comparator for controlling the switch by receiving inputs from the DC power source and the electrical application. T... | 09/21/2010 |
| 7778480 | Block filtering system for reducing artifacts and method A method includes identifying a pair of image data blocks separated by a boundary. The image data blocks include image information defining multiple pixels in at least one image. The method also includes identifying at least one filter length based on edge contents ... | 08/17/2010 |
| 7777432 | Horizontal and vertical dynamic correction in CRT monitors A device and method for generation of a dynamic focus correction signal for use with a CRT that includes an analog scanning processor for generating a dynamic focus correction signal that is proportional to Kx2+(1−K)x4, where x is the distanc... | 08/17/2010 |
| 7745945 | Semiconductor package with position member The present disclosure provides a very thin semiconductor package including a leadframe with a die-attach pad and a plurality of lead terminals, a die attached to the die-attach pad and electrically connected to the lead terminals via bonding wires, a position membe... | 06/29/2010 |
| 7725323 | Device and process for encoding audio data An MPEG-1 layer 3 audio encoder, including a scalefactor generator for determining first scalefactors for encoding a block of audio data if a temporal masking transient is not detected in said block of audio data; and for selecting the maximum of said scalefactors f... | 05/25/2010 |
| 7715551 | Apparatus and method for consistency checking public key cryptography computations A cryptographic system comprising: 1) a first Montgomery-based cryptographic engine that receives a first operand and a second operand and generates a first result and 2) a second Montgomery-based cryptographic engine that receives a first reduced operand derived fr... | 05/11/2010 |
| 7684471 | Rake-finger combiner with reduced resource requirement An efficient architecture for a rake combiner is disclosed, for constructively combining the desired multi-path signals from a Code-Division Multiple-Access (CDMA) based system, such as a Third-Generation Partnership Project (3GPP) Frequency Division Duplex (FDD) mo... | 03/23/2010 |
| 7680671 | Multi-precision technique for digital audio encoder AC-3 is a high quality audio compression format widely used in feature films and, more recently, on Digital Versatile Disks (DVD). For consumer applications the algorithm is usually coded into the firmware of a DSP Processor, which due to cost considerations may be ... | 03/16/2010 |
| 7660718 | Pitch detection of speech signals Pitch detection of speech signals finds numerous applications in karaoke, voice recognition and scoring applications. While most of the existing techniques rely on time domain methods, the invention utilizes frequency domain methods. There is provided a method and s... | 02/09/2010 |
| 7653537 | Method and system for detecting voice activity based on cross-correlation A system and method is provided for determining whether a data frame of a coded speech signal corresponds to voice or to noise. In one embodiment, a voice activity detector determines a cross-correlation of data. If the cross-correlation is lower than a predetermine... | 01/26/2010 |
| 7649990 | Apparatus to implement dual hash algorithm An apparatus arranged to accept digital data as an input and to process the data according to one of either the Secure Hash Algorithm (SHA-1) or Message Digest (MD5) algorithm to produce a fixed length output word. The apparatus includes a plurality of rotational re... | 01/19/2010 |
| 7638982 | Switched capacitor regulator for driving high load current A switched capacitor regulator in accordance with the present invention comprises a DC voltage source, a plurality of switches, a pumping capacitor, and a load capacitor. The plurality of switches may comprise semiconductor switches implemented in an integrated circ... | 12/29/2009 |
| 7634400 | Device and process for use in encoding audio data A mask generation process for use in encoding audio data, including generating linear masking components from the audio data, generating logarithmic masking components from the linear masking components, and generating a global masking threshold from the logarithmic... | 12/15/2009 |
| 7626110 | Energy-based audio pattern recognition An energy-based pattern recognition algorithm receives the input frames of an audio signal and a test frame sequence and returns a best match in the audio signal to the given test frame sequence. The energy of each input frame is computed, and input frames for which... | 12/01/2009 |
| 7623576 | Method and apparatus for interlaced/non-interlaced frame determination, repeat-field identification and scene-change detection A method of processing video data to detect field characteristics of the data, said data having a plurality of fields, including the steps of: comparing first and second fields, said first field being a successive field of said second field; comparing pixel values o... | 11/24/2009 |
| 7620261 | Edge adaptive filtering system for reducing artifacts and method A method includes receiving image information representing at least one image. The image information defines multiple pixels in the at least one image. The method also includes identifying filter weights associated with the pixels. The filter weights are based on ed... | 11/17/2009 |
| 7616715 | Method and system for estimating the speed of a mobile device in a network A method for estimating the speed of a mobile device in a network is provided that includes selecting a correlation length from a plurality of possible correlation lengths. A correlation result is generated based on the selected correlation length. A speed estimate ... | 11/10/2009 |
| 7602225 | Power on reset circuit for a digital device including an on-chip voltage down converter A power on reset circuit initializes at power on a digital integrated circuit, and includes a first power on reset signal generator powered by an external power supply voltage and generates a first power on reset signal. A reference voltage generator is powered by t... | 10/13/2009 |
| 7598987 | Flicker detection gain control circuit, digital imaging system, and method A gain control circuit includes a light detector for generating an amount of current based on received light and a first switch for controlling the amount of current from the light detector delivered to a node. The gain control circuit also includes a charge storage... | 10/06/2009 |
| 7589653 | Output architecture for LCD panel column driver A digital to analog converter (DAC) circuit operates over an upper range and a lower range. An upper voltage node is designated AVDD; a middle voltage node is designated HVDD; and a lower voltage node designated ground. An upper DAC stage has at least one NMOS trans... | 09/15/2009 |
| 7563971 | Energy-based audio pattern recognition with weighting of energy matches An energy-based pattern recognition algorithm receives the input frames of an audio signal and a test frame sequence and returns a best match in the audio signal to the given test frame sequence. The energy of each input frame is computed and input frames for which ... | 07/21/2009 |
