Class / Patent application number | Description | Number of patent applications / Date published |
708255000 | Truly random number | 25 |
20080201395 | METHOD AND APPARATUS FOR DISTRIBUTING RANDOM ELEMENTS - Apparatus for distributing valid random elements, including at least a first module and a second module. The first module is connected to a provider of valid random elements and to the second module. The first module includes a controller that passes valid random elements from the first module to the second module. | 08-21-2008 |
20080270503 | Method of generating random numbers for a gaming system - Certain embodiments of the present invention relate to methods and apparatuses for providing random numbers for a gaming system. A random number generator (RNG) processor is arranged to select a plurality of RNG system components and configure them in an RNG pipeline, to provide random numbers to a gaming system. In one embodiment, a true random number generator (TRNG) is used to generate seeds for a pseudo random number generator in the pipeline. Analysers, loggers and other elements may also be included in the pipeline. | 10-30-2008 |
20080313250 | RANDOM SIGNAL GENERATOR AND RANDOM NUMBER GENERATOR INCLUDING THE SAME - A random signal generator includes a differential noise generation circuit, an amplification circuit and a single-ended amplifier. The differential noise generation circuit includes a pair of input nodes and a pair of output nodes, and is configured to receive noise signals at the pair of input nodes and to generate differential noise signals at the pair of output nodes. The differential noise generation circuit is self-biased such that the pair of input nodes is coupled to the pair of output nodes. The amplification circuit is configured to amplify the differential noise signals output from the differential noise generation circuit to generate amplified differential signals. The single-ended amplifier is configured to generate a random signal based on the amplified differential signals, the random signal having irregular transition time points. | 12-18-2008 |
20090132624 | INTEGRATED CIRCUIT WITH A TRUE RANDOM NUMBER GENERATOR - An integrated circuit ( | 05-21-2009 |
20090144351 | CONTROL OF A PSEUDO RANDOM NUMBER GENERATOR AND A CONSUMER CIRCUIT COUPLED THERETO - A system comprising a pseudo random number generator, a control circuit being configured to increase a quality of a pseudo random number output signal of the pseudo random number generator by coupling the pseudo random number generator with a true random number output signal of a true random number generator and a consumer circuit being configured to use the pseudo random number output signal before and after the increase. | 06-04-2009 |
20090172056 | RANDOM NUMBER GENERATOR - Generally, this disclosure describes a system and method for generating random numbers. In at least one embodiment described herein, the method may include generating random bits in accordance with at least one security application via an integrated circuit, said integrated circuit including a true random number generator having an analog core. The method may further include providing, via an internally generated power supply, power to said analog core via a voltage regulator associated with said true random number generator. Of course, additional operations are also within the scope of the present disclosure. | 07-02-2009 |
20090204657 | HYBRID RANDOM NUMBER GENERATOR - A hybrid random number generator (HRNG) including an output, a combinational logic, a TRNG, and a PRNG. The HRNG is configurable to operate in a first and a second mode, wherein in the first mode the PRNG is serially connected between the TRNG and the output and the TRNG intermittently influences the PRNG, and in the second mode the TRNG and the PRNG are connected to the output via the combinational logic. | 08-13-2009 |
20090259705 | METHOD AND STRUCTURE FOR PROVABLY FAIR RANDOM NUMBER GENERATOR - A random number generator includes a fairness checker and correction module that ensures that a complete random sequence within a predetermined period of time will be output by the random number generator. | 10-15-2009 |
20100153478 | PARALLEL TRUE RANDOM NUMBER GENERATOR ARCHITECTURE - A system having an entropy module, a memory module and a main module is disclosed. The entropy module may be configured to generate a plurality of first random numbers. The memory module may be configured to buffer (i) the first random numbers and (ii) a plurality of second random numbers. The main module is generally configured to (i) control a first transfer of the first random numbers from the entropy module to the memory module, (ii) control a second transfer of the first random numbers from the memory module to the main module, (iii) generate the second random numbers by encrypting the first random numbers and (iv) control a third transfer of the second random numbers from the main module to the memory module. The generation of the first random numbers and the generation of the second random numbers may be performed in parallel. | 06-17-2010 |
20100174766 | Magnetic Precession Based True Random Number Generator - A method and apparatus for generating a random logic bit value. In some embodiments, a spin polarized current is created by flowing a pulse current through a spin polarizing material. The spin polarized current is injected in a free layer of a magnetic tunneling junction and a random logical bit value results from a variation in pulse current duration or a variation in thermal properties. | 07-08-2010 |
20100217789 | PHYSICAL RANDOM NUMBER GENERATION METHOD AND PHYSICAL RANDOM NUMBER GENERATOR - There is provided a physical random number generation method and a physical random number generator by which safe random numbers can be obtained at high speed. The physical random number generator comprises a laser equipment which irradiates laser light, a frequency discrimination filter which discriminates frequencies of the laser light, an photodetector which converts intensity of laser light into electric signals, an on-off detector or an A/D converter which converts analogue signals output from the photodetector as a detected result into digital data. First, the laser light irradiated from the laser equipment is allowed to pass through the frequency discrimination filter. Transmitted light changes in intensity depending on frequency fluctuations of the laser light. Then, this intensity of the transmitted light is converted into electric signals by the photodetector to be converted into binary random numbers using the on-off detector or the A/D converter. Finally, the binary random number data thus generated are imported into a PC. | 08-26-2010 |
20100241680 | METHOD AND APPARATUS FOR GENERATING RANDOM NUMBERS - A method for generating random numbers mimics by software the principle of coin flipping by combining different sources of randomness. The random number to be generated is assembled bit by bit from the subsequent results of this “coin flipping simulation”. The method for generating a random number with n | 09-23-2010 |
20100268751 | MECHANISM FOR GENERATING RANDOM NUMBERS FOLLOWING NORMAL DISTRIBUTION - There is provided a mechanism for generating random numbers following the normal distribution which does not generate a sequence correlation. The mechanism for generating random numbers following the normal distribution includes: a random recurrence plot generating mechanism | 10-21-2010 |
20100306296 | ADDING ENTROPY FOR IMPROVED RANDOM NUMBER GENERATION IN A COMPUTER SYSTEM - A parallel computer system adds entropy to improve the quality of random number generation by using parity errors as a source of entropy because parity errors are influenced by external forces such as cosmic ray bombardment, alpha particle emission, and other random or near-random events. By using parity errors and associated information to generate entropy, the quality of random number generation in a parallel computer system is increased. | 12-02-2010 |
20100332575 | High-Speed Random Number Generator - A method of generating a sequence of random bits is disclosed. The method comprises steps of (a) generating a stream of photons using a laser; (b) attenuating said series of photons; (c) reflecting at least a part of said stream of photons from a reflector positioned such that at least part of said stream of photons is directed from said reflector into the cavity of said laser; (d) directing a part of said stream of photons to a detector such that a signal proportional to the intensity of the radiation falling on said detector is produced; (e) sampling the AC component of said signal at a plurality of times, thereby obtaining a sampled signal comprising a sequence of data points; (f) obtaining the n | 12-30-2010 |
20110106870 | SYSTEM AND A METHOD FOR PROVIDING NONDETERMINISTIC DATA - A system and method for providing non-deterministic data for processes executed by non-synchronized processor elements of a fault resilient system is discussed. The steps of the method comprise receiving a request for getting non-deterministic data from a requesting processor element; assigning non-deterministic data generated by an entropy source to the request; and supplying the non-deterministic data assigned to the request, to the requesting processor element. | 05-05-2011 |
20130110895 | SYSTEMS AND METHODS EMPLOYING UNIQUE DEVICE FOR GENERATING RANDOM SIGNALS AND METERING AND ADDRESSING, E.G., UNUSUAL DEVIATIONS IN SAID RANDOM SIGNALS | 05-02-2013 |
20140222881 | System and Method of Centralized Random Number Generator Processing - A networked gaming system and method with a central true random number generator (“TRNG”) for generating random numbers (“RNs”). The RNs are supplied to electronic gaming machines (“EGMs”) on a network and are used to determine game outcomes. The system and method are configured to gather requests for RNs from EGMs in batches that are coordinated by a RNG server where the RNG server receives RN requests from EGMs and routes the requests in batches to the central TRNG. The central TRNG responds to the RNG server with a batch of RNs that are then distributed to the EGMs within an acceptable response time. | 08-07-2014 |
20140337400 | INTEGRATED QUANTUM-RANDOM NOISE GENERATOR USING QUANTUM VACUUM STATES OF LIGHT - An integrated quantum random noise source includes a substrate, an optical oscillator that may be integral to the substrate coupled by an optical waveguide to an optical directional coupler. The optical directional coupler has two outputs that are coupled by optical waveguides to a pair of photodetectors that are part of a balanced photodetector. The balanced photodetector in response outputs an analogue signal proportional to the difference in photocurrents of the two photodetectors. The analogue output signal from the balanced photodetector is a random Gaussian-distributed signal representative of quadrature measurements on the quantum vacuum state of light. The random noise source can be coupled other apparatus to provide a source of random bits. | 11-13-2014 |
20140344321 | AUTOMATIC CONTROL SYSTEM AND METHOD FOR A TRUE RANDOM NUMBER GENERATOR - A system for reseeding a pseudo random number generator to generate pseudo random numbers includes a true random number generator generating a true random number, a storage device storing the generated true random number, a pseudo random number generator generating pseudo random numbers using the stored true random number as a seed, and a controller coupled to the true random number generator and the pseudo random number generator to (1) generate a new true random number concurrently with the operation of the pseudo random number generator, and storing the new true random number, and (2) reseed the pseudo random number generator with the new true random number. | 11-20-2014 |
20150378683 | SYSTEM AND METHOD OF CENTRALIZED RANDOM NUMBER GENERATOR PROCESSING - A networked gaming system and method with a central true random number generator (“TRNG”) for generating random numbers (“RNs”). The RNs are supplied to electronic gaming machines (“EGMs”) on a network and are used to determine game outcomes. The system and method are configured to gather requests for RNs from EGMs in batches that are coordinated by a server based gaming (“SBG”) service where the SBG service receives RN requests from EGMs and routes the requests in batches to the central true random number generator request handler (“TRNGRH”) service. The central TRNGRH service responds to the SBG service with a batch of RNs that are then distributed to the EGMs within an acceptable response time. | 12-31-2015 |
20160004510 | RANDOM NUMBER GENERATOR - An integrated random signal generation circuit includes two logic gates, the output of each gate coupled to a respective first input of the other gate via assemblies of delay elements. The respective delays introduced by the assemblies of delay elements are adjustable. | 01-07-2016 |
20160110166 | True Random Number Generation in Systems on Chip - A device for true random number generation is disclosed. The device comprises an antenna and an analog processing unit for analog processing of a signal received from the antenna. An analog to digital (AD) converter is used for converting an analog signal generated by the analog processing unit into a digital signal. An isolation means is applied for temporarily isolating the antenna from the analog processing unit and the AD converter to generate a noise signal. A sampling means is used for sampling output values generated by the AD converter when the antenna is isolated from the analog processing unit and the AD converter. A digital processing unit is used for processing the sampled output values generated by the AD converter. The digital processing unit is configured to generate a random number based on one or more of the output values generated by the AD converter. | 04-21-2016 |
20160117149 | Method and System for Generating Random Numbers - A method and apparatus for generating true random numbers is provided which is hardware based, and which uses unpredictable physical noise produced by an optoisolator. Specifically, the noises resulting from one or more of quantum shot, thermal noise, flicker, and the photoelectric effect are used as variable energy sources for subsequent conversion into a bitstream used for random number selection. The apparatus is preferably provided with a through hole prototype design and construction which requires minimal number of components reducing overall costs. | 04-28-2016 |
20160132296 | APPARATUS AND METHOD FOR GENERATING DIGITAL VALUE - Provided is an apparatus for generating a digital value, including: an identification value generator including a plurality of unit cells; and an identification value extractor outputting an identification value of a plurality of bits by using output values of the plurality of unit cells, wherein each of the plurality of unit cells includes an identification value generating element including a first upper electrode and a second upper electrode formed on the same layer, and determines the output value according to electrical connection or cut-off of the first upper electrode and the second upper electrode. | 05-12-2016 |