Electrical computers: arithmetic processing and calculating inventions

20080104153 - Multimode mathematical user interface: Aspects of the present disclosure include a quick and easy user interface system for allowing a user to format mathematical expression on a math program as they would be formatted in longhand. The user interface is configured to switch between a linear math expression entry scheme and a structured math... Agent: Knobbe Martens Olson & Bear LLP

20080104155 - Digital electronic binary rotator and reverser: A binary rotator which comprises an array of n cascaded 2-input multiplexer banks (104) and receives at an input (102) 2n-bit binary data words can be used not only for rotation but also for selective reversal, without the necessity of the addition of a further multiplexer bank dedicated to the... Agent: Flynn Thiel Boutell & Tanis, P.C.

20080104154 - Normalization processing apparatus: A normalization processing apparatus according to an embodiment of the present invention can calculate all of normalization processing output values, that is, the output value of the size of a region, the output value of the lowest value in the region, the output value of the number of non-output bits,... Agent: Canon U.s.a. Inc. Intellectual Property Division

20080104156 - Random number generators and systems and methods relating to the same: A random number generator comprising a sigma-delta modulator, the sigma-delta modulator having a modulation unit and a feedback loop arranged to receive a digital output signal from the modulator and form an adjustment signal in dependence on the digital output signal such that at any given time the absolute difference... Agent: Greenberg Traurig LLP (la)

20080104157 - Efficient implementation of filters for mimo fading: A single finite impulse response filter designed to operate on a single signal is used in conjunction with an input multiplexer that interleaves samples from multiple signals and an output decimator. The output of the decimator contains interleaved samples of the multiple signals with independent filtering applied to each.... Agent: Agilent Technologies Inc.

20080104158 - Implementation of adaptive filters of reduced complexity: Herein described is at least a method for implementing an adaptive digital filter of reduced implementation complexity. The method comprises computing at least one complex discrete Fourier transform of a complex data sequence using approximately one-half the number of points used in computing said discrete Fourier transform of a real... Agent: Mcandrews Held & Malloy, Ltd

20080104159 - Harware arithmetic engine for lambda rule computations: A recursive lambda rule engine (114, 302) includes a first multiplier (204) that sequentially multiplies each of series of inputs by a nonlinearity determining parameter and supplies results to a second multiplier (214) that multiplies the output of the first multiplier (204) by a previous output of the engine (114,... Agent: Motorola, Inc.

20080104160 - Operation method and apparatus: Precision of arithmetic operations on floating-point numbers is improved while also preventing an increase in the amount of processing. A second converter converts an exponent included in an exponent field according to an exponent conversion rule defined in accordance with a function. A storage stores in a table a value... Agent: Katten Muchin Rosenman LLP

20080104161 - Integrated conversion method and apparatus: An integrated transformation apparatus is provided. The apparatus includes a first multiplexer, a second multiplexer, and a transformation unit. The first multiplexer retrieves point data from columns or rows of a multi-dimensional matrix and input data. The second multiplexer retrieves transformation coefficients corresponding to the point data. The transformation unit... Agent: Quintero Law Office, PC

20080104162 - Data processing apparatus and data processing method: An apparatus determines a communication protocol for transmitting data, adds a calculation result of checksum calculation to the data and transmits the result with the data, and stores the calculation result in a memory according to a communication protocol determination.... Agent: Canon U.s.a. Inc. Intellectual Property Division

20080104163 - Non-uniform sampling to avoid aliasing: A method for sampling includes selecting and sampling at uniform time steps over a collection time that is more than one period. Reordering the collected samples into “one period” and transforming the period from the time domain to the frequency domain.... Agent: Agilent Technologies Inc.

20080104164 - Reconfigurable simd vector processing system: A system may include M N-bit×N-bit multipliers to output M 2N-bit products in a redundant format, a compressor to receive the M 2N-bit products and to generate an MN-bit product in a redundant format based on the M 2N-bit products, and an adder block to receive the M 2N-bit products... Agent: Buckley, Maschoff & Talwalkar LLC

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