Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8085100 | Poly-phase frequency synthesis oscillator A frequency synthesis/multiplication circuit and method for multiplying the frequency of a reference signal. In one embodiment, multiple versions of the reference signal are generated having different phases relative to one another, and these multiple versions are c... | 12/27/2011 |
| 8081035 | Electronic pulse generator and oscillator A multiphase oscillator with a control path for urging the rotational direction of the oscillator is disclosed. The multiphase oscillator has an electrically or magnetically or both continuous signal path over which a signal propagates subject to a phase reversal on... | 12/20/2011 |
| 7994868 | Photonic diode An element for interacting with electromagnetic radiation is disclosed, including a first self-resonant body, a second self-resonant body, and a directional device interposed between the first self-resonant body and the second self-resonant body. The directional dev... | 08/09/2011 |
| RE42470 | Synchronous delay-line amplification technique An open-loop switching amplifier achieves synchronous operation using a ring oscillator based upon a tapped delay line. A counter is clocked from the ring oscillator, periodically comparing incoming more significant data to the value of the counter to form a pulsewi... | 06/21/2011 |
| 7944316 | Multi-phase oscillator A multi-phase oscillator includes a plurality of ring oscillators (21) each having a plurality of output ports and each formed by connecting an odd number of inverters (20) in a ring, and a plurality of resistance elements (30) coupling the outp... | 05/17/2011 |
| 7920030 | Multi-phase voltage-control oscillator A multi-phase voltage-control oscillator including a first voltage-control oscillator circuit and a second voltage-control oscillator circuit is provided. The second voltage-control oscillator circuit and the first voltage-control oscillator circuit have a plurality... | 04/05/2011 |
| 7907023 | Phase lock loop with a multiphase oscillator A phase lock loop utilizes a multiphase oscillator having a plurality of digital inputs. A plurality of DQ flip-flops, offset in time from each other generate a plurality of control signals to remove control phase information from the oscillator in digital form. A D... | 03/15/2011 |
| 7847643 | Circuit with multiphase oscillator In an embodiment, a circuit is provided comprising a multi-phase oscillator configured to output a plurality of output signals having the same frequency and different phase offsets. A feedback value is generated based on at least two of said output signals. A refere... | 12/07/2010 |
| 7656239 | Phase shifting coupling technique for multi-phase LC tank based oscillators A multi-phase oscillator is provided. Said multi-phase oscillator includes a plurality of resonator stages series-connected in an ordered closed loop. Each stage is used for providing one or more oscillating voltages corresponding to an oscillating current. The osci... | 02/02/2010 |
| 7642865 | System and method for multiple-phase clock generation A multiple phase clock circuit includes a multiple stage voltage controlled oscillator (VCO) and multiple clock dividers. The VCO is operative at a frequency ‘N’ times higher than the required output frequency and generates ‘M’ equally spaced outputs having ... | 01/05/2010 |
| 7612620 | System and method for conditioning differential clock signals and integrated circuit load board using same A system and method of conditioning differential clock signals iteratively adjusts the duty cycles and phases of the clock signals. The duty cycles of the clock signals are adjusted by comparing respective voltage corresponding to the duty cycles of respective clock... | 11/03/2009 |
| 7605669 | System and method for generating local oscillator (LO) signals for a quadrature mixer A system for generating local oscillator (LO) signals for a quadrature mixer includes an oscillator configured to provide a reference frequency signal, at least one frequency divider configured to divide the reference frequency signal into three offset phase signals... | 10/20/2009 |
| 7576616 | Phase controlling apparatus, frequency controlling apparatus, oscillating apparatus, phase controlling method, and frequency controlling method A phase controlling apparatus is disclosed. The phase controlling apparatus controls phases of signals which are output from a plurality of signal sources corresponding to first phase information which indicates a phase of a predetermined signal. The phase controlli... | 08/18/2009 |
| 7573338 | Quadrature voltage controlled oscillator with automated phase control A quadrature voltage controlled oscillator includes oscillation circuits for generating in-phase and quadrature-phase oscillation signals that are used to generate in-phase and quadrature-phase output signals. A compensation circuit adjusts biasing in the oscillatio... | 08/11/2009 |
| 7570123 | Digitally controlled analog frequency synthesizer A frequency synthesizer according to the present invention digitally controls an analog oscillator to generate an analog output signal at a desired frequency. A digitizing circuit converts a feedback signal derived from the oscillator output signal to a digitized mu... | 08/04/2009 |
| 7567134 | System and method for synchronizing multiple oscillators A system and method for synchronizing an oscillator with multiple phases at a desired phase angle difference. A relative measure of a phase angle difference between two phases permits each phase to be controlled to obtain the desired phase angle difference. The vari... | 07/28/2009 |
| 7551038 | Multi-phase voltage-control oscillator A multi-phase voltage-control oscillator including a first voltage-control oscillator circuit and a second voltage-control oscillator circuit is provided. The first voltage-control oscillator circuit includes a first LC tank and a first inductor assembly unit. The s... | 06/23/2009 |
| 7528668 | Differential amplifier, differential amplifying method, and phase locked loop and delay locked loop using the same A differential amplifier includes an input stage, a biasing unit and a load unit. The input stage receives a first phase signal and at least two phase signals among odd-numbered phase signals, wherein an average of phases of the at least two phase signals has a phas... | 05/05/2009 |
| 7511583 | Photonic diode An element for interacting with electromagnetic radiation is disclosed, including a first self-resonant body, a second self-resonant body, and a directional device interposed between the first self-resonant body and the second self-resonant body. The directional dev... | 03/31/2009 |
| 7482884 | Ring oscillator with a two-stage phase blender for generating multi-phase clock signals An apparatus for generating multi-phase clock signals with a ring oscillator is provided, including a first stage phase-blender module and a second stage phase-blender module. The first stage phase-blender module further includes a plurality of differential OP phase... | 01/27/2009 |
| 7446616 | Multi-phase clock generator and method thereof A multi-phase clock generator for generating a set of multi-phase clock signals is disclosed. The multi-phase clock generator includes a signal generator, a phase adjusting circuit, and a phase interpolator. The signal generator generates a plurality of first clock ... | 11/04/2008 |
| 7436266 | LC quadrature VCO having startup circuit Provided is an Inductor-Capacitor (LC) quadrature Voltage Controlled Oscillator (VCO) having a startup circuit which can accurately select one of +90° and −90° as a phase difference between two clocks generated by the LC quadrature VCO by embodying the startup c... | 10/14/2008 |
| 7432769 | Oscillator circuit The oscillating unit 11 generates a signal having a frequency of n*f, i.e., n times a target frequency f. The control voltage generation circuit 21 compares the phase difference between a divided signal of a signal generated in the oscillating unit ... | 10/07/2008 |
| 7425875 | Arbitrary waveform synthesizer The waveform generator includes a free-running ring oscillator, and algebra module, a switching module and an output module. The free-running ring oscillator includes a plurality of delay elements connected in a loop and a plurality of taps disposed between the dela... | 09/16/2008 |
| 7414484 | Voltage controlled oscillator circuitry and methods Voltage controlled oscillator (“VCO”) circuitry includes LC tank or ring VCO circuitry and frequency divider circuitry that divides the frequency output by the oscillator circuitry by a selectable integer factor that is at least 2 in the case of a ring oscillato... | 08/19/2008 |
| 7397316 | Ring oscillator for calibrating phase error and phase-error calibration method therefor A ring oscillator and a phase error calibration method are provided. The ring oscillator may include a first voltage-current converter for controlling and outputting an amount of tail current Itail according to a magnitude of a first control voltage applied in feedb... | 07/08/2008 |
| 7397317 | Quadrature signal generator for tuning phases of all of four generated quadrature signals A quadrature signal generator capable of phase-tuning with respect to all of four generated quadrature signals. The quadrature signal generator includes four phase tuning units each having two input terminals, one receiving a differential signal, the other being gro... | 07/08/2008 |
| 7394319 | Pulse width modulation circuit and multiphase clock generation circuit A pulse width modulation circuit comprises a multiphase clock generation section which generates multiphase clock signals based on a reference clock, and a pulse width modulation signal generation section which generates pulse width modulation signals based on input... | 07/01/2008 |
| 7388445 | Piezoelectric oscillator for quadrature modulation A quartz oscillator for quadrature modulation has a quartz oscillating circuit including a transistor, a quartz oscillator, a capacitor, and a resistor, a double-mode quartz filter, a reactance element, and an amplifier. The quartz oscillator is constituted so that ... | 06/17/2008 |
| 7382202 | Apparatus and method to provide a local oscillator signal from a digital representation An apparatus provides a local oscillator signal based on a selected channel of an RF input signal. For example, the apparatus can set a frequency of the local oscillator signal based on the selected channel. Digital circuitry can be used to generate the local oscill... | 06/03/2008 |
| 7375596 | Quadrature voltage controlled oscillator A quadrature voltage controlled oscillator having low phase noise and excellent output swing characteristics includes a first voltage controlled oscillator for outputting a positive in-phase output signal and a negative in-phase output signal; a second voltage contr... | 05/20/2008 |
| 7372340 | Precision frequency and phase synthesis with fewer voltage-controlled oscillator stages A clock synthesis circuit) including a phase-locked loop and one or more frequency synthesis circuits is disclosed. The phase-locked loop includes a voltage-controlled oscillator (VCO) having a sequence differential stages o produce equally spaced clock phases. The ... | 05/13/2008 |
| 7362150 | Method and system for synchronizing phase of triangular signal A multiplicity of electronic devices is provided to generate triangular wave signals variable between an upper and lower limit voltages by charging or discharging capacitors. One of the triangular wave signals serves as a master triangular wave signal for controllin... | 04/22/2008 |
| 7362187 | Sequential VCO phase output enabling circuit Circuits, methods, and apparatus that provide a sequential start-up of outputs of an oscillator following a power-up or restart. The outputs are gated by enable signals. These enable signals are derived sequentially, the first in a series being triggered by a specif... | 04/22/2008 |
| 7356312 | Fractional frequency synthesizer A frequency synthesizer circuit generates an output clock signal having a desired frequency relationship with an input reference signal, and offers essentially arbitrary relational values and adjustment resolution within any applicable circuit limits. The frequency ... | 04/08/2008 |
| 7348812 | Multiphased triangular wave oscillating circuit and switching regulator using it To oscillate and output multiphased triangular waves with a designed waveform shape, wave crest value, and phase relationship. This multiphased triangular wave oscillating circuit has two triangular wave generating circuits 10A and 10B for generating t... | 03/25/2008 |
| 7348858 | Photonic diode An element for interacting with electromagnetic radiation is disclosed, including a first self-resonant body, a second self-resonant body, and a directional device interposed between the first self-resonant body and the second self-resonant body. The directional dev... | 03/25/2008 |
| 7342462 | Quadrature LC voltage controlled oscillator with opposed bias and coupling control stages A voltage controlled oscillator unit is provided with cross coupled voltage controlled oscillators to generate quadrature phases. One control stage adjusts coupling between the oscillators. Another control stage adjusts the tail current that applies operating bias t... | 03/11/2008 |
| 7340233 | Integrated circuit and methods for third sub harmonic up conversion and down conversion of signals An integrated circuit may include a receiver and/or a transmitter that performs third order sub-harmonic conversion. The integrated circuit may include a Gilbert cell active mixer with three or more serially-connected transistors in each of the mixer's four branches... | 03/04/2008 |
| 7336548 | Clock generating circuit with multiple modes of operation A clock generating circuit includes a phase comparison circuit that generates a delay control signal corresponding to the relative phases of an output clock signal and a reference clock signal. A voltage controlled delay circuit generates the delayed clock signal by... | 02/26/2008 |
