Electrical computers: arithmetic processing and calculating inventions 04/08

20080098055 - Probability density function separating apparatus, probability density function separating method, testing apparatus, bit error rate measuring apparatus, electronic device, and program: There is provided a probability density function separating apparatus that separates a predetermined component from a given probability density function. The apparatus includes: a domain transforming section that is supplied with the probability density function and transforms the probability density function into a spectrum in a frequency domain; and a... Agent: Smith, Gambrell & Russell

20080098056 - Reducing memory usage in noncoherent signal processing: A method for detecting a positioning signal includes (a) correlating a segment of a received positioning signal with a reference signal of a selected code phase and frequency to obtain a correlation value, (b) if the correlation value is less than a predetermined minimum, assigning the correlation value to the... Agent: Macpherson Kwok Chen & Heid LLP

20080098057 - Multiplication apparatus: There is provided a multiplication apparatus for generating a product of a multiplicand and a multiplier, each of which is a fixed point number represented in two's complement. The multiplication apparatus has an encoding unit for encoding the multiplier based on the radix-4 Booth's algorithm and outputting a plurality of... Agent: Mcdermott Will & Emery LLP

20080091752 - Computer based calculator with savable and printable output: A computer processor is disclosed, which is programmed to display on a screen of a computer monitor a calculator image having a first field. The first field can be activated using the interactive device to cause calculations performed using the calculator image to be displayed on the screen of the... Agent: Walter J. Tencza Jr.

20080091753 - Device with memory and method of operating device: A method of operating an electronic device includes storing a first plurality of bits of digital information in a memory using a first number of memory cells in parallel. The first plurality of bits of digital information are for operating the device when operating parameters are not within a nominal... Agent: Slater & Matsil LLP

20080091754 - Reciprocal calculation unit and reciprocal calculation method: A reciprocal calculation unit comprising: a data transformation portion that, through a first bit shift operation, transforms the input data to intermediate data that falls in a predetermined data extent; a range identification portion that identifies a range to which the intermediate data belongs out of ranges that are established... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080091755 - Random number generator: A circuit for generating a random output value is disclosed that comprises: a bistable circuit having two stable states in which a 0 or a 1 is output and having a balanced metastable state in which a floating value between 0 and 1 is output, said bistable circuit resolving from... Agent: Nixon & Vanderhye, PC

20080091756 - Method of configuring shape-deformable mirror, optical pickup device, and recording and reproduction unit: c

20080091757 - System and method for web enabled geo-analytics and image processing: A method for providing mapping, data management and analysis. Creation of a map is initiated with a desired Gaussian aggregation and desired color map parameters. Data is loaded to be utilized in the map. The data is rasterized, then converted to a certain scale. A convolution operation is performed on... Agent: Dla Piper US LLP

20080091758 - System and apparatus for group floating-point arithmetic operations: Systems and apparatuses are presented relating a programmable processor comprising an execution unit that is operable to decode and execute instructions received from an instruction path and partition data stored in registers in the register file into multiple data elements, the execution unit capable of executing group data handling operations... Agent: Mcdermott Will & Emery LLP

20080091759 - method of computing partial crcs: Apparatus and method of generating cyclic redundancy checks (CRCs) for a message with N data blocks. The method includes calculating a partial CRC for an out of order data block and storing the result, generating, using a division operation, a CRC remainder multiplier associated with the out of order data... Agent: Greenblum & Bernstein, P.L.C

20080091760 - Filter bank and method for improving efficiency thereof: The invention provides a method for improving efficiency of a filter bank. The filter bank includes multiple filters implemented by a firmware program. Each of the filters has a corresponding filter equation with a plurality of variables including a plurality of input samples and output samples of the corresponding filter.... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080086519 - Matching pursuits basis selection: Briefly, in accordance with one embodiment, a method of designing a basis selection for matching pursuits is described... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080086520 - Transforming lists to matrices and optimizing results in data analyses: The disclosed invention provides a method for transforming lists to corresponding matrices and optimizing results of data analyses. Lists of enumerable signs (e.g., numbers, points, vertices, categories) that refer to real phenomena are transformed to manipulable matrices of numbers that are employed in data analyses. Manipulation of said matrices augments... Agent: Michael Epelbaum

20080086521 - Taylor series-based transmission line equalization scheme: e

20080082597 - Low power and low complexity adaptive self-linearization: A digital signal processing system comprises an input terminal configured to receive an unknown input signal that includes a distorted component and an undistorted component, the unknown input signal having a sampling rate of R; and an adaptive self-linearization module coupled to the input terminal, configured to perform self-linearization based... Agent: Van Pelt, Yi & James LLP

20080082598 - Systems and method for orthogonal frequency divisional multiplexing: Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a transmitter configured to modulate symbols onto at least one of a plurality of the spectrally overlapping carrier signals; a processor coupled to the transmitter, wherein the processor outputs data for transmission by... Agent: Fogg & Powers LLC