Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8145477 | Systems, methods, and apparatus for computationally efficient, iterative alignment of speech waveforms Systems, methods, and apparatus described include waveform alignment operations in which a single set of evaluated cosines and sines is used to calculate cross-correlations of two periodic waveforms at two different phase shifts. ... | 03/27/2012 |
| 8111268 | Image scaling method and apparatus A method and apparatus for down scaling image data is disclosed. One method controls a phase for an M/N filter, where N represents a number of input samples, and M represents a number of output samples. N is greater than M. Another method may switch between an M/N f... | 02/07/2012 |
| 8107762 | Systems, methods, and apparatus for exposure control Systems, methods, and apparatus for image processing are described in which pixels of an image are classified according to color. In some systems, an exposure control operation is performed according to the pixel classifications. In some cases, the pixels are classi... | 01/31/2012 |
| 8035650 | Tiled cache for multiple software programs Caching techniques for storing instructions, constant values, and other types of data for multiple software programs are described. A cache provides storage for multiple programs and is partitioned into multiple tiles. Each tile is assignable to one program. Each pr... | 10/11/2011 |
| 7970239 | Hand jitter reduction compensating for rotational motion The registration of images comprising segmenting an image in a frame into a set of sectors which forms a circle. Generating a plurality of sets of projections in a base frame, wherein each set of projections is generated from any sector amongst the set of sectors fr... | 06/28/2011 |
| 7680123 | Mobile terminated packet data call setup without dormancy When the binding of a mobile station (MS) in a home agent (HA) expires, the HA generates an identifier from the MS's IMSI. The HA maintains a binding between the home address (HoA) and a special care of address (MAP-CoA), where the host ID of MAP-CoA is the identifi... | 03/16/2010 |
| 7657261 | Technique for using the same wireless frequency channel in overlapping or adjacent coverage areas One aspect of the invention provides a system, apparatus and method that allow a wireless communication device to intelligently search for and select a communication cell based on a system identifier (SID) and network identifier (NID) order of preference rather than... | 02/02/2010 |
| 7630427 | Systems, methods, and apparatus for establishing finger lock state Embodiments include a method of signal processing in which each of a set of individual estimates of a transmitted symbol is added to a combined symbol estimate based on a relation between a signal quality value corresponding to the individual estimate and a threshol... | 12/08/2009 |
| 7605618 | Digital output driver and input buffer using thin-oxide field effect transistors A digital output driver includes a pre-driver and a driver that may be implemented with thin-oxide FETs. The pre-driver generates first and second digital signals based on a digital input signal. The first digital signal has a first voltage range determined by a fir... | 10/20/2009 |
| 7602840 | Acquisition of a gated pilot Systems and techniques to acquire a gated pilot signal by searching for a first gated pilot signal, deriving timing information from the search for the first gated pilot signal, and searching for a second gated pilot signal using the timing information. This can be ... | 10/13/2009 |
| 7474160 | Systems and methods for calibrating a filter Calibrating a filter is disclosed. The filter is reconfigured as an oscillator during calibration. Switches and/or other implementations of reconfiguring a filter are used to reconfigure the negative feedback loop of the filter to a positive feedback loop. The oscil... | 01/06/2009 |
| 7450960 | System, method and mobile unit to sense objects or text and retrieve related information A system, method and mobile unit to sense objects and/or text and retrieve related images, text or translations. The system may allow users to instantly access information about an object or text with a mobile device, such as a mobile phone, pager, personal digital ... | 11/11/2008 |
| 7397844 | Method and apparatus for processing a modulated signal using an equalizer and a rake receiver In a method for achieving higher S/N, one or more signals are received and processed to provide one or more streams of samples. In a first processing scheme, the sample stream(s) are equalized within an equalizer to generate symbol estimates, which may be subsequent... | 07/08/2008 |
| 7315531 | Method and apparatus for transmitting and receiving variable rate data A variable rate transmission system transmits a variable rate data packet including an accompanying rate indication signal indicative of the transmission rate of the variable data packet. The data packet can be spread using a long pseudonoise (PN) code, the mask of ... | 01/01/2008 |
| 7200162 | Interpolation of channel search results In general, the invention facilitates searching for energy peaks in spread spectrum wireless communication systems with greater precision. More particularly, various embodiments of the invention may involve reporting not only an energy peak and its associated offset... | 04/03/2007 |
| 7191125 | Method and apparatus for high performance low bit-rate coding of unvoiced speech A low-bit-rate coding technique for unvoiced segments of speech, without loss of quality compared to the conventional Code Excited Linear Prediction (CELP) method operating at a much higher bit rate. A set of gains are derived from a residual signal after whitening ... | 03/13/2007 |
| 7154349 | Coupled-inductor multi-band VCO A multi-band VCO employs a coupled-inductor based resonator having N≧2 ports. Each port has an inductor and at least one capacitor. The N inductors for the N ports are magnetically coupled. The inductors/ports may be selectively enabled and disabled to allow the V... | 12/26/2006 |
| 7145966 | Signal quality estimation for continuous phase modulation A received continuous phase modulation (CPM) signal (which is formed with a set of pulse shaping functions) is approximated as a phase shift keying (PSK) modulated signal (which is formed with just the dominant pulse shaping function having the largest energy). Chan... | 12/05/2006 |
| 7146310 | Low bit-rate coding of unvoiced segments of speech A low-bit-rate coding technique for unvoiced segments of speech includes the steps of extracting high-time-resolution energy coefficients from a frame of speech, quantizing the energy coefficients, generating a high-time-resolution energy envelope from the quantized... | 12/05/2006 |
| 7136815 | Method for voice recognition A method improves voice recognition by improving storage of voice recognition (VR) templates. The improved storage means that more VR models can be stored in memory. The more VR models that are stored in memory, the more robust the VR system, and therefore the more ... | 11/14/2006 |
| 7136812 | Variable rate speech coding A method and apparatus for the variable rate coding of a speech signal. An input speech signal is classified and an appropriate coding mode is selected based on this classification. For each classification, the coding mode that achieves the lowest bit rate with an a... | 11/14/2006 |
| 7119606 | Low-power, low-area power headswitch An N-FET headswitch has improved performance (e.g., less leakage current, lower ON resistance, and smaller area) over a conventional P-FET headswitch. The N-FET headswitch includes at least one N-FET device and couples between a power supply and a load circuit, whic... | 10/10/2006 |
| 7113522 | Enhanced conversion of wideband signals to narrowband signals Wideband speech signals must be converted to narrowband speech signals if the transmission medium or the destination terminal is constructed with narrowband constraints. A typical wideband-to-narrowband conversion method is the elimination of frequencies above 3400 ... | 09/26/2006 |
| 7110357 | Method and apparatus for voice latency reduction in a voice-over-data wireless communication system A method and apparatus for reducing voice latency in a voice-over-data wireless communication system. In a transmitter, data frames are created from audio information by a vocoder and stored in a queue. Prior to storage, some of the data frames are eliminated, or dr... | 09/19/2006 |
| 7098708 | Low-power direct digital synthesizer with analog interpolation An MN counter with analog interpolation (“MNA counter”) includes an MN counter, a multiplier, a delay generator, and a current generator. The MN counter receives an input clock signal and M and N values, accumulates M for each input clock cycle using a modulo-N ... | 08/29/2006 |
| 7092459 | Frequency tracking using pilot and non-pilot symbols In one embodiment, the invention is directed toward frequency tracking techniques using control symbols that include both pilot and non-pilot symbols. For example, both the pilot and non-pilot symbols can be used in estimating frequency error of a received signal. T... | 08/15/2006 |
| 7085712 | Method and apparatus for subsampling phase spectrum information Method and apparatus for subsampling phase spectrum information by analyzing and reconstructing a prototype of a frame. The prototype is analyzed by correlating phase parameters generated from the prototype with phase parameters generated from a reference prototype ... | 08/01/2006 |
