Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Application No. | Application Title | Issue Date |
| 20120126909 | DUTY CYCLE TRANSLATOR METHODS AND APPARATUS Methods and apparatus for translating duty cycle information in duty-cycle-modulated signals to higher frequencies or higher data rates. An exemplary duty cycle translator includes a duty cycle evaluator, a high-speed digital counter, and a comparator. The duty cycle ev... | 05/24/2012 |
| 20120068781 | PULSE WIDTH MODULATOR A pulse width modulator for modulating a rectangular carrier signal in accordance with an input signal includes a modulating unit that receives the input signal and provides a digital output word. The output word has a pre-defined number of digits comprising a first con... | 03/22/2012 |
| 20120032748 | Systems and Methods of Ripple Reduction in a DC/DC Converter Systems and devices for ripple reduction in a DC/DC converter are presented. The disclosed systems and methods enable ripple reduction in discontinuous conduction mode (DCM) operation. In DCM, the inductor current peak to peak ripple may be reduced based on the load cur... | 02/09/2012 |
| 20110285472 | OUTPUT CIRCUITS WITH CLASS D AMPLIFIER Output circuits using pulse width modulation (PWM) and/or pulse density modulation (PDM) are described. In one aspect, a PWM output circuit includes a PWM modulator that operates based on a square wave signal instead of a sawtooth or triangular wave signal. In another a... | 11/24/2011 |
| 20110279076 | ELECTRIC MOTOR, AND DEVICE FOR GENERATING A SIGNAL FOR CONTROLLING THE SAME An electric motor, having a stator (465), a rotor (470), and an apparatus for evaluating a signal provided for controlling said motor (110), comprises a receiving unit (430, 440) for receiving a control signal (PWM_mod), which is a pulse widt... | 11/17/2011 |
| 20110260804 | PULSE WIDTH MODULATING CIRCUIT A pulse width modulating (PWM) circuit includes an activating module and a pulse generating module connected to the activating module. The activating module includes a current resource and a compensation unit. The current source generates an activating current, and the ... | 10/27/2011 |
| 20110221541 | PULSE WIDTH MODULATION SIGNAL GENERATOR AND METHOD A pulse width modulation signal generator includes a triangular wave generator, a voltage comparator, and a wave shaping circuit. The triangular wave generator generates a triangular wave signal and a pair of first and second pulse signals. The first pulse signal is pul... | 09/15/2011 |
| 20110215734 | PWM PULSE GENERATING CIRCUIT, DEVICE HAVING THE SAME, AND PWM CONTROL METHOD Provided is a pulse width modulation (PWM) pulse generating circuit, a device including the circuit, and a PWM control method. The circuit includes a detector to detect the frequency of the PWM clock signal and output a frequency detection signal including whether the f... | 09/08/2011 |
| 20110210707 | PULSE MODULATION CONTROL IN A DC-DC CONVERTER CIRCUIT In a device, a pulse modulation switching logic is provided to generate switching signals of a pulse modulator so as to generate a pulse modulated signal with a first pulse modulation control parameter and a second pulse modulation control parameter. The first pulse mod... | 09/01/2011 |
| 20110199164 | EXTENDABLE N-CHANNEL DIGITAL PULSE-WIDTH/PULSE-FREQUENCY MODULATOR A multichannel digital pulse width modulator/digital pulse frequency modulator uses a single ring oscillator that is shared by multiple channels. The ring oscillator has taps that can be used for least significant bit (LSB) precision of the generated PWM signal. The rin... | 08/18/2011 |
| 20110193648 | PULSE WIDTH MODULATION WITH EFFECTIVE HIGH DUTY RESOLUTION A pulse width modulation (PWM) signal generator generates a PWM signal having a specified effective PWM duty resolution for a corresponding cycle window. The PWM signal generator receives an N-bit value representing a duty to be implemented and sets values X and Y to th... | 08/11/2011 |
| 20110181369 | DIGITAL PULSE WIDTH MODULATION DEVICE A digital pulse width modulation device includes a counter, a first comparator and a second comparator, wherein the first and second comparators are connected in parallel with each other and in series with the counter. The counter is capable of sending a count signal to... | 07/28/2011 |
| 20110182096 | SEMICONDUCTOR INTEGRATED CIRCUIT, PWM SIGNAL OUTPUT DEVICE, AND POWER CONVERSION CONTROL APPARATUS Provided is a control technique of a PWM conversion type power converter capable of compensating for a voltage error due to voltage drop mainly at a switching element and managing a switching time of a PWM signal at the same time, and capable of suppressing increase/dec... | 07/28/2011 |
| 20110128085 | Analog-to-Digital Converter in a Motor Control Device System and method for digitizing analog voltage signals. A first voltage signal may be received at a comparator. A ramp signal may be received at the comparator. The ramp signal may be generated by a ramp generator. An output signal may be generated by the comparator. T... | 06/02/2011 |
| 20110115460 | ELECTRICAL SWITCHING MODULE A module including a case; an electrical switching device configured to control power to a load; and a controller coupled to the electrical switching device. The electrical switching device and the controller are substantially encapsulated by the case. Functionality of ... | 05/19/2011 |
| 20110095837 | Pulse width modulation There is disclosed a method and apparatus for generating, in an envelope tracking modulator of a mobile radio transmission apparatus, a pulse width modulated, PWM, signal representing a time-varying signal, the method comprising, for each time cycle: a) generating a ris... | 04/28/2011 |
| 20110095836 | Method and control circuit for controlling pulse width modulation The invention provides a method and a modulation circuit for pulse width modulation with feedback, wherein a pulse width modulated signal is provided on the basis of an input signal and a reference signal that is periodic and has a reference frequency. The pulse width m... | 04/28/2011 |
| 20110058399 | SIGNAL CONVERTER FOR GENERATING SWITCH DRIVE SIGNALS FOR A MULTI-LEVEL CONVERTER, DRIVE CIRCUIT, PULSE-WIDTH-MODULATION SIGNAL GENERATOR, MULTI-LEVEL CONVERTER, METHODS AND COMPUTER PROGRAM A signal converter for generating switch drive signals for a multi-level converter comprises an input for a first pulse-width-modulation signal and a second pulse-width-modulation signal and an input for a polarity signal indicating a first polarity or a second polarity... | 03/10/2011 |
| 20100301959 | PULSE WIDTH MODULATOR WITH TWO-WAY INTEGRATOR A pulse width modulator (PWM) includes a driver and a two-way integrator. The driver is coupled to output a first and a subsequent period of a PWM signal. Both the first and the subsequent periods include the PWM signal changing between first and second states. The two-... | 12/02/2010 |
| 20100278228 | APPARATUS METHOD AND COMPUTER READABLE MEDIUM FOR A TRANSMITTER An apparatus comprising a signal generator for generating a polar representation of a signal. The apparatus comprises further a first filtering unit configured to filter a low frequency part of the amplitude component of said signal and a second filtering unit configure... | 11/04/2010 |
| 20100254172 | PWM SIGNAL GENERATOR, AND INVERTER EQUIPPED WITH THIS PWM SIGNAL GENERATOR The PWM signal generator of the present invention generates a first pulse waveform in which a first on-time ΔT1 calculated by a first on-time calculator (401) is used as an on-duration, and a second pulse waveform in which a second on-time ΔT2 10/07/2010 | |
| 20100253240 | PWM CONTROL METHOD AND DEVICE AND LIGHT ADJUSTING DEVICE A PWM control method increases/decreases a duty ratio of a PWM signal with a predetermined resolution so to control the duty ratio of the PWM signal in the case of a PWM control. The resolution of the duty ratio of the PWM signal is increased to make a high period in th... | 10/07/2010 |
| 20100219899 | PWM CONTROL CIRCUIT AND MOTOR EQUIPPED WITH THE SAME The PWM control circuit is provided. The PWM control circuit includes: a PWM control signal generator that generates a PWM period signal defining a period of a PWM signal and a PWM resolution signal specifying a resolution in one period of the PWM period signal; and a P... | 09/02/2010 |
| 20100201455 | PREDICTIVE PULSE WIDTH MODULATION FOR AN OPEN DELTA H-BRIDGE DRIVEN HIGH EFFICIENCY IRONLESS PERMANENT MAGNET MACHINE Embodiments of the present method and system permit an effective method for determining the optimum selection of pulse width modulation polarity and type including determining machine parameters, inputting the machine parameters into a predicted duty cycle module, deter... | 08/12/2010 |
| 20100176881 | PULSE WIDTH MODULATION CIRCUIT AND CLASS-D AMPLIFIER COMPRISING THE PWM CIRCUIT A pulse width modulation (PWM) circuit comprises a first integrator (g m1) with a first feedback capacitor (C1), a second integrator (gml) with a second feedback capacitor (C2) and a comparator (A0) having a first input... | 07/15/2010 |
| 20100127789 | METHODS AND SYSTEMS FOR DIGITAL PULSE WIDTH MODULATOR In one embodiment, the digital pulse width modulator of these teachings includes comparators and a number of phases and capable of increasing resolution without increasing clock frequency. In another embodiment, the digital pulse width modulator (DPWM) of these teaching... | 05/27/2010 |
| 20100117751 | DIGITAL PULSE MODULATORS HAVING FREE RUNNING CLOCK The present invention relates to the application of a free-tunning clock signal in a pulse-width modulator (PWM) Specifically there is disclosed an integrated circuit comprising a pulse-width modulator (2) for converting an input signal (6) into a pulse-wi... | 05/13/2010 |
| 20100117752 | MULTI-CHANNEL DIGITAL PULSE WIDTH MODULATOR (DPWM) A multiple channel Digital Pulse Width Modulator (DPWM) can include a single delay locked loop with a delay line, the delay line producing a number of outputs. Circuitry can use a delay line mask to mask a portion of the delay line outputs to produce a modified outputs ... | 05/13/2010 |
| 20100110743 | INVERTER CONTROLLER To suppress an unbalance of a dwell period in a changeover of phases in which switching is dwelled in an inverter controller. A PWM operation unit 5 includes a modulation-wave generating unit 11 that generates a modulation wave as a voltage command value t... | 05/06/2010 |
| 20100097153 | Switched Modulation of a Radio-Frequency Amplifier Switch-modulation of a radio-frequency power amplifier by-representing the input signal by the I-signal (1) and Q-signal (9) of the complex components (I+j−Q), and pulse width modulating the I-signal and the Q-signal separately to create a modulated I-si... | 04/22/2010 |
| 20100073102 | IQ-MODULATION SYSTEM AND METHOD FOR SWITCHED AMPLIFIERS An apparatus and methods for a baseband modulator configured to code amplitude signals into pulse width modulated time signals comprising at least two amplitude levels is disclosed. A pulse width modulator can receive a component signal of a baseband complex signal and ... | 03/25/2010 |
| 20100052804 | PULSE WIDTH MODULATION DEVICE A pulse width modulation device in which a step form control signal generated by a control signal generating device and a triangular wave carrier signal generated by a carrier generating device are compared by a digital comparator and the comparison signal is supplied t... | 03/04/2010 |
| 20100052805 | HIGH-MODE SELF-OSCILLATING PULSE MODULATOR The invention relates to a high-mode self-oscillating pulse modulator. According to the invention, a complete rethinking of preconditions for oscillation and modulation in an oscillating modulator as all conventional thinking of how to apply oscillation in a modulator h... | 03/04/2010 |
| 20100033261 | MINIMUM PULSE WIDTH FOR PULSE WIDTH MODULATION CONTROL The rising edge of a pulse width modulated output signal occurs after an input ramp signal starts to rise. The ramp signal starts to rise after the rising edge of a periodic set signal and before the falling edge of a periodic set signal. A feedback control signal inter... | 02/11/2010 |
| 20100019745 | Multiple switch node power converter control scheme that avoids switching sub-harmonics A method of and system for modulating buck and boost modulation ramps of a multiple switch node power converter without overlap. As the pulse width or duty cycle of the signal to a modulated complementary switching pair approaches a pre-established reference pulse width... | 01/28/2010 |
| 20100013569 | SYSTEM AND METHOD FOR PROVIDING A PULSE-WIDTH MODULATED SIGNAL TO AN OUTPUT SYSTEM Systems and methods are disclosed that can be used to control an output signal, such as for controlling a heater for a hard disk drive. A system can include a pre-driver configured to provide a pulse-width modulated (PWM) signal to an output system in response to a cont... | 01/21/2010 |
| 20090296805 | Pulse width modulation controller and pulse waveform control method A pulse width modulation (PWM) controller includes: a first counter for counting a reference clock signal, and thus outputting a first count value, a leading edge control signal generator for outputting a leading edge control signal on a basis of the first count value, ... | 12/03/2009 |
| 20090284322 | SYNCHRONOUSLY STACKABLE DOUBLE-EDGE MODULATED PULSE WIDTH MODULATION GENERATORS Synchronously stackable double-edge modulated pulse width modulation generators are disclosed. An example pulse width modulation generator includes a ramp generator to generate first and second ramp signals that interact to form a virtual ramp signal; and a comparator m... | 11/19/2009 |
| 20090278621 | Pulse Width Modulation Dead Time Compensation Method and Apparatus Dead time compensated complementary pulse width modulation (PWM) signals are derived from a PWM generator by first applying time period compensation to the PWM generator signal based upon the direction of current flow in an inductive load being controlled by the PWM gen... | 11/12/2009 |
| 20090251229 | SELF-OSCILLATING MODULATOR WITH IMPROVED SYNCHRONISATION AND PWM CYCLE CONSTRAINTS The present invention relates to a self-oscillating modulator (2) comprising a PWM cycle constrainer (21). The present invention further relates to a method of stabilising the switch frequency of a self-oscillating modulator operating on a high level input... | 10/08/2009 |
