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9018993 Self-feedback random generator and method thereof  
A self-feedback random generator comprises a digital-to-analog converter, a digital oscillator, a frequency-modulating unit and a first D-type flip-flop. The digital-to-analog converter receives a...
8981858 Spread spectrum oscillator  
An apparatus includes a selection device to select a spreading profile from a plurality of spreading profiles, and an oscillation device to generate clock signals having different frequencies over...
8975975 Spread spectrum clocking method for wireless mobile platforms  
According to some embodiments, a method and apparatus are provided to vary a clock signal frequency for a first time period between a lower limit of a range of problematic frequencies and a...
8841974 Test solution for ring oscillators  
A method and apparatus is disclosed herein for testing of multiple ring oscillators. In one embodiment, the apparatus comprises at least one ring oscillator structure having a ring oscillator...
8823459 Variable frequency circuit controller  
Apparatus and methods for distributing spurious tones through the frequency domain are disclosed. One such apparatus can include a dithering circuit configured to generate a sequence of numbers...
8816788 Frequency generator with frequency jitter  
A frequency generator with frequency jitter is disclosed. The frequency generator comprises a capacitor, a comparing unit, a charging and discharging unit, a delay unit, and a charging and...
8810298 Random delay generation for thin-film transistor based circuits  
Circuits and circuit elements configured to generate a random delay, a monostable oscillator, circuits configured to broadcasting repetitive messages wireless systems, and methods for forming such...
8766732 Multi-screw chaotic oscillator circuit  
There is provided a multi-screw chaotic oscillator circuit with simple configuration, that can use various multi-hysteresis VCCS characteristics and generate a variety of multi-screw attractors....
8717110 Frequency-jittering apparatuses, frequency-jittering methods and power management devices  
A frequency-jittering apparatuses includes an oscillator and a frequency control circuit. The oscillator generates a signal. When the magnitude of the signal exceeds a magnitude of a reference...
8638928 Key exchanging apparatus  
A key exchanging apparatus transmits the contribution data to the plurality of counterpart apparatuses, generates a signer contribution confirmation signature with respect to a contribution data...
8618887 Configurable spread spectrum oscillator  
A spread spectrum oscillator includes a high frequency oscillator circuit configured to oscillate at a first frequency, and a low frequency oscillator circuit configured to oscillate at a second...
8593228 Spread spectrum clock generators and electronic devices including the same  
Spread spectrum clock generators and electronic devices including the same are provided. An electronic device may include a memory and a first circuit block configured to output a first spread...
8583711 Random number generation system with ring oscillators  
A random number generation system comprising one or more ring oscillators configured to generate entropy due to accumulated phase drift. A random number generator can include a ring oscillator...
8542071 Chaotic oscillator-based random number generation  
Chaotic oscillator-based random number generation is described. In an example, a circuit includes a negative differential resistance (NDR) device to receive an alternating current (AC) bias. The...
8531247 Device and method for generating a random bit sequence  
A device (1) for generating a random bit sequence has a digital ring oscillator circuit (2) having at least one first feedback path (R8) and one second feedback path (R14). To this end, a...
8519798 Phase-locked loop based chaotic spread spectrum generator  
Embodiments of the invention relate to apparatus and method for reducing electromagnetic interference (EMI) and radio frequency interference (RFI) in computer systems via a chaotic frequency...
8423297 Device and method for responding to influences of mind  
Mental influence detectors and corresponding methods are useful for detecting an influence of mind and hidden or classically non-inferable information. An anomalous effect detector includes a...
8421544 Chaotic wide band frequency modulator for noise reduction  
The embodiments of the invention relate to apparatus and method for reducing electromagnetic interference (EMI) and radio frequency interference (RFI) in computer systems via a chaotic wide band...
8410857 Apparatus and method for generating a random bit sequence  
An apparatus for generating a random bit sequence has a ring oscillator which includes inverting digital devices and on which an oscillator signal can be tapped. An intermediate storage element...
8405464 Electronic device for controlling a frequency modulation index and a method of frequency-modulating  
An electronic device controlling a frequency modulation index has a frequency modulation index control loop having an input adapted to be connected to a frequency output of a frequency...
RE44097 Device and method for responding to influences of mind  
In the field of direct mind-machine interactions, prior art devices and methods do not provide sufficiently fast and reliable results. Mental influence detectors (100, 140, 400, 430) and...
8400230 Frequency modulation of clocks for EMI reduction  
In an electronic system, a frequency modulator manages clock signals for electromagnetic interference (EMI) reduction. The illustrative frequency modulator comprises a core oscillator, and a clock...
8350628 Gate speed regulator dithering ring oscillator to match critical path circuit  
A computing device is disclosed comprising digital circuitry including a critical path circuit, and a gate speed regulator. A ring oscillator generates an oscillation frequency, and dither...
8269565 Spread spectrum clock generators and electronic devices including the same  
Spread spectrum clock generators and electronic devices including the same are provided. A spread spectrum clock generator may include an oscillation circuit that is configured to receive a first...
8253502 Spread spectrum clock generator and semiconductor device  
A spread spectrum clock generator includes a voltage-controlled oscillator generating an operation clock, a feedback control unit, a modulated pulse generation unit generating a pulse signal...
8188798 Programmable electro-magnetic-interference (EMI) reduction with enhanced noise immunity and process tolerance  
A frequency dithering circuit reduces emissions that cause Electro-Magnetic Interference (EMI) by spreading the spectrum of a clock. The clock sequences a counter that drives a digital count value...
8159280 Noise generator  
A noise generator for generating band-limited noise from a plurality of sinusoidal signals at the same level and equidistant frequency position in the noise spectrum is provided. A noise signal...
8143959 Jitter generation apparatus, device test system using the same, and jitter generation method  
A jitter generation apparatus for applying a phase modulation to a PLL is controlled by a control unit so as to output a signal with the desired jitter based on a parameters. When a switching unit...
8130955 Random number generation through use of memory cell activity  
Systems and/or methods that facilitate security of data are presented. A random number generation component generates random numbers based in part on electron activity in a select memory cell(s)...
8089321 Fluctuation oscillator, fluctuation oscillating system, observation device and control system  
Four stochastic resonators 20-1 to 20-4 outputting a pulse signal in accordance with a stochastic resonance phenomenon are unidirectionally coupled in a ring-like form to constitute a fluctuation...
8085101 Spread spectrum clock generation device  
A spread spectrum controller (20) controls a PLL (10) so that the PLL outputs a spread-spectrum processed clock signal. A loop bandwidth controller (30) controls at least one of a phase detector...
8072277 Spread spectrum frequency synthesizer  
A frequency synthesizer is described illustrating a method for modulation having an adjustable standard curve used to modulate an input signal for spread spectrum modulation. In particular, the a...
8073631 Device and method for responding to influences of mind  
In the field of direct mind-machine interactions, prior art devices and methods do not provide sufficiently fast and reliable results. Mental influence detectors (100, 140, 400, 430) and...
8049571 Frequency-jittering apparatuses, frequency-jittering methods and power management devices  
A frequency-jittering apparatuses includes an oscillator and a frequency control circuit. The oscillator generates a signal. When the magnitude of the signal exceeds a magnitude of a reference...
8031015 Phase-locked loop circuit  
A PLL circuit is disclosed that comprises a controlling unit that switches at a predetermined timing to enable/disable the phase difference signal supplied from the phase comparator to the low...
8005212 Device and method for performing a cryptoalgorithm  
A device for executing a cryptoalgorithm including a central processing unit for a first sub-group of operations and for a flow control of the cryptoalgorithm as well as a hardware circuit for a...
8005215 Table shuffle cipher system  
A system including a pseudo-random number generator having a register to store an extended state having a reduced state and a dynamic constant, an initialization module to initialize a part of the...
7979482 Random number generator configured to combine states of memory cells  
A random number generator includes a plurality of memory cells arranged in a series, a feedback processor for generating a feedback signal and for feeding the feedback signal into one of the...
7961059 Phase lock loop control system and method with non-consecutive feedback divide values  
A phase-locked loop control system and method are described. Present invention phase-locked loop control systems and methods facilitate control of phase-lock loop operations. In one embodiment,...
7948327 Simplified phase lock loop control model system and method  
A phase-locked loop control system and method are described. Present invention phase-locked loop control systems and methods facilitate control of phase-lock loop operations. In one embodiment,...
7933559 RF test chamber  
A system for testing radio frequency (RF) communications of a device capable of such communications is provided. The system includes a chamber for isolating the device from RF interference, an...
7932787 Phase lock loop control system and method  
A phase-locked loop control system and method are described. Present invention phase-locked loop control systems and methods facilitate control of phase-lock loop operations. In one embodiment,...
7893779 Modulated supply spread spectrum  
A system reduces a received RF signal from EMI generated by a digital electronic system that includes a clock. In the present invention the clock frequency, that generates signals and strobes data...
7864910 Phase locked loop  
A PLL is provided with an optimum operating point in order to have appropriately a frequency margin and a locking time. There is provided a phase looked loop which includes: a frequency divider...
7852162 Pseudo random noise device based on a random frequency modulated oscillator  
Random number generators are used for entertainment in gambling, lotteries and video gaming devices. True Random Number Generators, as are now currently defined, must be actuated by a physical...
7843278 Frequency jitter generation circuit  
A frequency jitter generation circuit having a voltage generator and an oscillator circuit is provided. The voltage generator receives an input voltage and converts the input voltage into an upper...
7830213 Signal generator, signal generation method, and RF communication system using the same  
A signal generator, a signal generation method, and a communication system using the same are provided. The signal generator includes a plurality of nonlinear elements which are connected in a...
7830214 Adjustable chaotic signal generator using pulse modulation for ultra wideband (UWB) communications and chaotic signal generating method thereof  
An adjustable chaotic signal generator using pulse modulation for UWB communications, and a chaotic signal generating method thereof are provided. The chaotic signal generator for UWB...
7795983 Chaotic signal enabled low probability intercept communication  
A circuit for generating chaotic signals implemented using heterojunction bipolar transistors (HBTs) and utilized in low probability intercept communications. The HBT chaotic circuit generates...
7786815 Apparatus and method for generation of noise signal  
An apparatus and method for generation of a noise signal are provided. The apparatus includes a noise synthesizing module and a noise signal transfer module. The noise synthesizing module includes...