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| Number | Title | Issue Date |
| 8024388 | DVI link with parallel test data An embodiment includes encoding parallel digital data into encoded and parallel digital data in an encoder and generating parallel test data in a pseudo-random binary sequence generator circuit. The encoded and parallel digital data is coupled through a multiplexer ... | 09/20/2011 |
| 7370212 | Issuing a publisher use license off-line in a digital rights management (DRM) system A publishing user publishes digital content and issues to itself a corresponding digital publisher license to allow itself to render the published digital content. The publishing user is supplied with a publishing certificate from a digital rights management (DRM) s... | 05/06/2008 |
| 7356551 | Method and apparatus of retaining maximum speed of flip-flop metastability based random number generators An apparatus, system and method for retaining the maximum speed of flip-flop metastability based random number generators includes a fixed delay unit having an input for receiving a common signal from a digital signal generator, and a variable delay unit having an i... | 04/08/2008 |
| 7263470 | Digital gaussian noise simulator A Gaussian noise is simulated by discrete analogue ri,j. A first parameter α and pluralities of first and second integers i and j are selected. A plurality of points i,j are identified and a magnitude si,j is calculated for each point based on... | 08/28/2007 |
| 7234643 | Microelectronic circuit for activation or deactivation of at least one input/output, corresponding smart card reader and deactivation method The invention concerns a microelectronic circuit for activation or respectively deactivating at least one second input/output (2, 3), or second “buffer”, which receives a deactivation command (21, 31) corresponding to a combination of a general act... | 06/26/2007 |
| 7233212 | Oscillator array with row and column control A circuit topology which can be used to create an array of individually tuned oscillators operating at different frequencies determined by common control inputs and an easily managed variation in design dimensions of several components is provided. An array of oscil... | 06/19/2007 |
| 7194496 | System and method for producing functions for generating pseudo-random bit sequences In a system and method for producing functions for generating pseudo-random bit sequences, an extended shift register (ESR) is formed. Each bit in the ESR is shifted to a next higher bit and the lowest-order bit is replaced with an EXCLUSIVE-OR operation of at least... | 03/20/2007 |
| 7174355 | Random number generator with selectable dual random bit string engines A microprocessor with multiple random bit generators is disclosed. The multiple random bit generators each generate a stream of random bits. One of the streams of random bits is selected to be used to accumulate into random bytes for provision to application program... | 02/06/2007 |
| 7167882 | True random number generation True random numbers are generated from position error signals or like signals. The generator is not dependent on a potentially biased reference or threshold, and is capable of quickly generating true random numbers on demand. The present invention can be implemented... | 01/23/2007 |
| 7142675 | Sequence generator and method of generating a pseudo random sequence A sequence generator for generating a pseudo random sequence for random number generation or a stream cipher engine includes a plurality of linear feedback shift registers operable to generate a plurality of binary sequences. A plurality of nonlinear functions havin... | 11/28/2006 |
| 7129797 | Wideband Gaussian white noise source A white noise generator comprising a MOSFET operated in its linear region and having zero source-drain DC bias current. This is achieved by connecting the source or drain terminal of the MOSFET to a gate terminal of a MOSFET amplifier that may be implemented as a mu... | 10/31/2006 |
| 7124156 | Apparatus and method for immediate non-sequential state transition in a PN code generator A power of a square matrix is determined in a time approximately proportional to the upper integer of the base-2 logarithm of the order of the matrix. A preferred embodiment uses two types of look-up tables and two multipliers for a matrix of 15×15, and is applied ... | 10/17/2006 |
| 7124158 | Technique for high speed PRBS generation A method and a generator are described for high speed generation of an S-bit long pattern of a PRBS sequence to be periodically burst on to a bus of width S. The technique provides the calculation time being independent from the width S of the bus, and comprises cal... | 10/17/2006 |
| 7120248 | Multiple prime number generation using a parallel prime number search algorithm A process is provided for searching in parallel for a plurality of prime number values simultaneously includes the steps of: randomly generating a plurality of k random odd numbers (wherein k is preferably more than 2, but could also be one or more) expressed as n | 10/10/2006 |
| 7103494 | Circuit arrangement and data processing method A circuit arrangement in which two parallel subcircuits having a same functionality have a same input signal applied to them, and their output signals are compared in a common comparison arrangement. The two subcircuits are designed differently in terms of sensitivi... | 09/05/2006 |
| 7092979 | Random data generator and scrambler using the same, and method therefore A random data generating apparatus which receives m bits, including: a first random data generator having: an m×2m decoder which receives the m bits and outputs n bits; registers arranged in series which shift and store the n bits, to generate shifted n ... | 08/15/2006 |
| 7082557 | High speed serial interface test A high speed, two-way serial interface with a scrambler and de-scrambler may be tested by sending a single word repeatedly through the scrambler to create a pseudo-random sequence. The pseudo-random sequence is then passed through the transmitter and looped back thr... | 07/25/2006 |
| 7080107 | Gold code generator design A gold code generator is described comprising two pairs of linear feedback shift registers, the seed values for the second pair of linear feedback shift registers are different from the seed values for the first pair of linear feedback shift registers. The second se... | 07/18/2006 |
| 7072924 | Method and apparatus for generating random numbers for use in a field programmable gate array A method and apparatus for generating random number outputs utilized in generating a noise function at a given location in space. The method consists of partitioning selected portions of the random number generation process to achieve outputs in parallel. The releva... | 07/04/2006 |
| 7065127 | System and method for generating and acquiring pseudo-noise (PN) spread signals A system for generating (PN) spread signals is provided. The system includes a first clock synchronized with a second clock and at least three first pseudo-noise (PN) component code generators coupled to the first clock. A logic combiner is coupled to the PN compone... | 06/20/2006 |
| 7053800 | Apparatus and method for generating a code mask A new output mask for a m-sequence generator is produced by modulo-2 summing a number of intermediate masks. The intermediate masks are produced by shifting a shift template by amounts corresponding to offsets of set bits in an existing output mask. If an intermedia... | 05/30/2006 |
| 7016924 | Contactless IC card, responding method, and program therefor A contactless integrated circuit (IC) card for providing a high-grade random number with a simple configuration. A plurality of provisional random numbers are generated according to a part of calculations to be used for generation of a random number. The plurality o... | 03/21/2006 |
| 7012950 | Apparatus for generating pseudo-noises code and method for generating pseudo-noise codes using the same An apparatus for generating pseudo-noise codes adapted for advancing or retarding pseudo-noise chips generated therefrom within one clock in a radio communication network based on code division multiple access (CDMA). The apparatus includes a control uni for outputt... | 03/14/2006 |
| 6944211 | Method and system for deriving dynamic data clocks from PN codes A method and system for generating a data clock having edge coincidence with an aggregate PN code is provided. The method includes providing an aggregate PN code generator having an epoch output for resetting a data clock generator when the aggregate PN code generat... | 09/13/2005 |
| 6834291 | Gold code generator design Embodiments for a gold code generator are generally described herein. ... | 12/21/2004 |
| 6813625 | Method and device for self-clock controlled pseudo random noise (PN) sequence generation A method and device for use, e.g., in a mobile telephone, for self-clocked controlled pseudo random noise (PN) sequence generation comprises a plurality of sequence generator units for outputting a plurality of sequence values (Zt) on the basis of a plura... | 11/02/2004 |
| 6785389 | System for bitstream generation A bitstream generator including a plurality of linear feed shift registers (LFSRs) operative to generate a bit stream and including: at least a first LFSR operative, when assigned as a generator during a first time period including at least one clock cycle, to provi... | 08/31/2004 |
| 6763363 | Computer efficient linear feedback shift register A fast pseudo-random number generator, which can be employed in a variety of systems such as a stream cipher cryptosystem or a Monte Carlo simulation system, includes a linear feedback shift register (LFSR) having a state contained in N storage elements storing N bi... | 07/13/2004 |
| 6731670 | Method and circuit for generating spreading codes A spreading code generator provides a parallel output of plural-bit spreading codes by use of vector operations. A data circulating loop is formed that comprises a register capable of a parallel plural-bit input and output, a vector multiplier, and a selector. Each ... | 05/04/2004 |
| 6707841 | Spreading code generator A spreading code generator generates a spreading code specified by a matrix order and row number, which are matrix elements. The spreading code generator includes a repetitive division circuit for repeatedly dividing a row number by 2 a number of times equivalent to... | 03/16/2004 |
| 6654404 | System, apparatus, and method for outputting pseudorandom noise sequences, and data recording medium A system for outputting pseudorandom noise sequences comprises a plurality of output apparatuses. Each of the apparatuses comprise a natural number obtainer for obtaining a natural number p, a first transmission value calculator for calculating a value Y=... | 11/25/2003 |
| 6640236 | Method and apparatus for generating multiple bits of a pseudonoise sequence with each clock pulse by computing the bits in parallel The invention presented is a novel method and apparatus for generating PN sequences with an arbitrary number of bits, where the number of bits is provided in parallel with each clock pulse. This allows the sequences to be generated at high speed when need... | 10/28/2003 |
| 6636553 | Pseudorandom noise generator for WCDMA A circuit is designed with a plurality of logic circuits (370-374) for producing an offset state matrix. The circuit includes a first logic circuit (380-383) coupled to receive N elements of a respective row of a transition matrix and N elements of column... | 10/21/2003 |
| 6629116 | Random sequence generators The present invention provides a random sequence generator for generating an output signal having random values. The generator comprises a plurality of cells inter-connected to one another such that each cell receives, as an input, an output from each cel... | 09/30/2003 |
| 6480870 | Random number generator using lehmer algorithm A random number generator is provided that includes a plurality of bit generators for generating a first to last (e.g., 0'th to 30th) sum bits, a carry bit conversion section that receives a plurality of final output carries from a final bit generator of ... | 11/12/2002 |
| 6459722 | Pseudorandom noise generator for WCDMA A circuit is designed with a plurality of logic circuits (370-374) for producing an offset state matrix. The circuit includes a first logic circuit (380-383) coupled to receive N elements of a respective row of a transition matrix and N elements of column... | 10/01/2002 |
| 6324205 | Scalable method for generating long codes using gold sequences A scalable method and system for generating a 3X long code sequence for use in a CDMA communication system uses Gold sequences. A preferred pair of 1X long code sequences both running at 1.2288 Mchips/s are used to generate the 3X sequence. The 3X sequenc... | 11/27/2001 |
| 6192385 | Pseudorandom number generating method and pseudorandom number generator A register 205 of each pseudorandom number generating circuit 101 takes in and holds a state data composed of a plurality of bits in synchronism with a clock pulse of a clock signal. Function generator circuits 2021 and 2022 output data each composed of a... | 02/20/2001 |
| 6104811 | Cryptographically secure pseudo-random bit generator for fast and secure encryption A pseudo-random number generator is used as a pre-processing step to generating a long random bit string. The bit string is then "stretched" by performing certain one-way functions in parallel on the bit strings. In a preferred embodiment, specialized con... | 08/15/2000 |
| 6061702 | Random number generator A random number generator using, for example, a voltage controlled oscillator (VCO) which receives a noise input and at least one differential oscillator. The differential oscillator(s) provided oscillator signals to a differential sense amplifier which i... | 05/09/2000 |
