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 |
| 8179187 | Substrate noise passive cancellation method for buck converter A method for passive cancellation of substrate noise for a buck converter uses an on-chip capacitor to reduce the substrate noise. The capacitor achieves a close-magnitude noise with opposite phase for better noise cancellation effect in the substrate. The capacitor... | 05/15/2012 |
| 7847614 | Switch noise reduction device and method using counter A switch de-bouncing device includes a majority counter that counts samples generated by a sampler sampling a switch output where a counter value is incremented for each sample indicating a first switch state and decremented for each sample indicating a second switc... | 12/07/2010 |
| 7696808 | Slew rate control in output driver A slew rate control circuit in output driver of switching circuit to prevent power ground undershoot is introduced. The gate capacitance of lower power transistor is first fast discharged to ensure the operation of the output signal. The gate capacitance of lower po... | 04/13/2010 |
| 7595679 | Method and apparatus to reduce noise fluctuation in on-chip power distribution networks A system-on-chip or other circuit has an on-chip noise-free ground which is added to divert ground noise from the sensitive nodes. An on-chip decoupling capacitor, tuned in resonance with the parasitic inductance of the interconnects, can be provided to add an addit... | 09/29/2009 |
| 7492209 | High-frequency switching device with reduced harmonics According to one exemplary embodiment, a low harmonic switching device includes a first switching block including a first multi-gate FET, where the first switching block is coupled to a first input and a shared output of the low harmonic switching device. A first ca... | 02/17/2009 |
| 7428279 | Reduced complexity sliding window based equalizer A sliding window based data estimation is performed. An error is introduced in the data estimation due to the communication model modeling the relationship between the transmitted and received signals. To compensate for an error in the estimated data, the data that ... | 09/23/2008 |
| 7279951 | DC offset cancellation circuit, differential amplification circuit with DC offset cancellation circuit, photo-electric pulse conversion circuit, pulse shaping circuit, and pulse generation circuit A DC offset cancellation circuit that is capable of canceling a DC offset voltage occurring between a pair of differential output signals of a differential amplification circuit, while preventing a signal waveform from being distorted due to accumulation of AC compo... | 10/09/2007 |
| 7256637 | High voltage switching apparatus A switching arrangement for a high voltage load provides high voltage pulses to the load. The switching arrangement includes switching modules, where n is typically (75). A load capacitance is Cd is required to avoid voltage overshoot at the load and is provi... | 08/14/2007 |
| 7245174 | Analogue switch A switching circuit (20) comprising first and second switch terminals (2,3) and a switch (21). The switch (21) comprises a first bipolar transistor (22), having a collector connected to the first switch terminal (2) and an e... | 07/17/2007 |
| 7221558 | Galvanically isolated delivery of power to high voltage circuits parts A high voltage switching apparatus delivers kV pulses to a load such as a magnetron. The switching apparatus comprises a switching stack surrounded by capacitors and both arranged within a housing. Lt power is supplied to the stack, e.g. for control electronics, by ... | 05/22/2007 |
| 7208985 | Semiconductor device for controlling switching power supply In a semiconductor device for controlling switching power supply of this invention, having a switching element and switching operation control circuit, after receiving a current detection signal when switching is turned off, a fixed delay time is applied to the curr... | 04/24/2007 |
| 7197733 | Integrated circuit dynamic parameter management in response to dynamic energy evaluation A single integrated circuit (12). The integrated circuit comprises a first circuit (14x) having a data path, the first circuit consisting of a first number of logic gates for performing a plurality of logic functions. The integrated circuit ... | 03/27/2007 |
| 7187227 | Driver circuit A driver circuit includes first and second three-terminal active elements, and first and second delay units. The first and second three-terminal active elements are series-connected. Each of the first and second three-terminal active elements has an amplification fu... | 03/06/2007 |
| 7187194 | Device for probe card power bus voltage drop reduction Noise reduction for application of structural test patterns to a Device Under Test (DUT) is accomplished with a capacitor “booster” bypass network on the probe card in which the capacitors are charged to a much higher voltage Vboost than the DUT power... | 03/06/2007 |
| 7173475 | Signal transmission amplifier circuit A signal transmission amplifier circuit has a transmission gate with an input coupled to an input signal. A cross coupled latch is coupled to an output of the transmission gate and has a signal output. A reference generating circuit is coupled to the cross coupled l... | 02/06/2007 |
| 7167037 | Charge pump bias network A circuit for supplying selected currents to a charge pump without harmful effects arising from operation of current switches in the charge pump. A charge pump current setting is applied in digital form to a set of two-position switches coupled to binary-weighted cu... | 01/23/2007 |
| 7157962 | Charge pump output device with leakage cancellation The charge pump circuit includes: a charge pump output branch; a current leakage device coupled to the output branch; and a feedback device coupled between the output branch and a control node of the current leakage device such that the leakage device cancels leakag... | 01/02/2007 |
| 7138871 | MMIC distributed amplifier gate control using active bias An active bias is formed on a wafer which an electrical circuit is formed and produces a biasing voltage applied to an input signal which is additionally applied to the electrical circuit. In particular, the active bias may comprise at least one transistor, and is p... | 11/21/2006 |
| 7135895 | Semiconductor device having output circuit adaptively suppressing SSO noise A semiconductor device capable of detecting and suppressing SSO noise after the semiconductor device has been mounted on a board. The semiconductor device includes an output circuit for outputting parallel output signals in accordance with a clock signal, an SSO noi... | 11/14/2006 |
| 7131089 | Computer program for programming an integrated circuit speed capability indicator A computer programmed to specify a design of a circuit for indicating a potential speed capability of a data path in a predetermined circuit. The data path comprises a plurality of logic functions to be performed by a first number of logic gates. The computer specif... | 10/31/2006 |
| 7126395 | Dynamic slew rate controlling method and device for reducing variance in simultaneous switching output A dynamic slew rate controlling method and a device is provided to reduce SSO variance generated from voltage noises, which is as a result of a plurality of data bits switching to the same state simultaneously while the I/O bus transmits these data bits. The device ... | 10/24/2006 |
| 7113412 | Drive circuit and power supply apparatus In charging a gate of a NMOS transistor Q1, the charging speed is adjustable by varying a resistor R1. When an inputted pulse signal VIN reverses to a negative voltage, a diode D2 turns off. Then, current flows along a discharging loop formed by... | 09/26/2006 |
| 7112828 | Semiconductor device A semiconductor device that permits an increase in static destruction resistance while preventing an increase in the chip size includes a protective element formed by a polysilicon layer in which JFETs are serially connected in three stages and which is inserted bet... | 09/26/2006 |
| 7061530 | Semiconductor integrated circuit Even when variation in transistor characteristic, resistance or the like occurs during manufacturing, a noise component is always minimized. Each of k clock phase difference generating circuits 16–18 shifts a phase of a basic clock signal ADCK1 by a ... | 06/13/2006 |
| 7046049 | Driver circuit for controlling a resonant converter In order to improve the efficiency of a driver circuit for controlling upper and lower switching means (T3, T4) for converting a direct voltage Ud into a clocked output voltage Ua for a resonant converter with a high-voltage section (HT) for controllin... | 05/16/2006 |
| 7046069 | Method to reduce inductive effects of current variations by internal clock phase shifting Modularized clock decoupling and signal delay management is provided for the purpose of reducing simultaneous binary signal switch-induced inductive voltage transients in lower voltage synchronous semiconductor devices. The voltage levels in low-voltage devices must... | 05/16/2006 |
| 7042969 | Method and apparatus for frame alignment in discrete multitone transceivers A method and apparatus for determining frame alignment in a discrete multitone transceiver by determining a rotation of the coefficients of the shortening channel impulse response for which inter symbol interference (ISI) is minimal. The ISI is determined by multipl... | 05/09/2006 |
| 7042967 | Reduced complexity sliding window based equalizer The present invention has many aspects. One aspect of the invention is to perform equalization using a sliding window approach. A second aspect reuses information derived for each window for use by a subsequent window. A third aspect utilizes a discrete Fourier tran... | 05/09/2006 |
| 7014625 | Needle insertion device The invention relates to a needle insertion device comprising a housing with a mounting surface adapted for application to the skin of a subject, where the mounting surface defines a general plane and has a needle aperture formed therein. Adhesive means is arranged ... | 03/21/2006 |
| 7016177 | Capacitor heat protection High capacitance capacitors are provided to supply or accept large currents. As current flow through a capacitor increases, heat may be generated. Above a certain threshold temperature or current, a capacitor may fail. The present invention addresses capacitor's ten... | 03/21/2006 |
| 7005879 | Device for probe card power bus noise reduction Noise reduction for application of structural test patterns to a Device Under Test (DUT) is accomplished with a capacitor “booster” bypass network on the probe card in which the capacitors are charged to a much higher voltage Vboost than the DUT power... | 02/28/2006 |
| 6980034 | Adaptive, self-calibrating, low noise output driver An output buffer includes an output stage that includes a transconductance device configured to drive a capacitive load, and a first capacitor coupled to an input of the transconductance device. A converter converts an input clock signal into a current that is provi... | 12/27/2005 |
| 6972611 | Method and device for a state-dependent control of the transient behavior of semiconductor power switches The invention relates to a comprehensive control method for switch on and off processes of power semiconductor switches (S1–S4). In a switching phase A the collector current transient dic/dt is controlled in order to safeguard a co... | 12/06/2005 |
| 6970023 | Modulated transistor gate driver with planar pulse transformer Disclosed are methods and apparatus for isolating and driving a power supply or power amplifier circuit. The circuits and methods provide for using a modulated PWM input signal and its complement to drive one or more core-less transformers providing an isolated powe... | 11/29/2005 |
| 6956411 | Constant Rswitch circuit with low distortion and reduction of pedestal errors A low distortion, high frequency switch circuit for selectively coupling an input voltage terminal to an output voltage terminal includes a switching device coupled to the input voltage terminal and the output voltage terminal, a charge storage device, and a first, ... | 10/18/2005 |
| 6936006 | Atraumatic insertion of a subcutaneous device The invention relates to a concept for placing a subcutaneous device such as a sensor at a selected site within the body of a patient, e.g. to obtain blood glucose readings. In a first aspect, an insertion needle comprises an oblong needle body and a distal end port... | 08/30/2005 |
| 6809571 | Power control circuit with active impedance to avoid interference and sensing problems A power control circuit includes sensing circuitry for sensing information about operation of a power device such as an IGBT or other power FET. The sensing circuitry receives a sense input signal from the power device through a gating device such as a diode. The po... | 10/26/2004 |
| 6794923 | Low ripple charge pump for charging parasitic capacitances A charge pump circuit is configured for charging of parasitic capacitances associated with charge pump capacitors in a manner that minimizes voltage ripple. The charge pump circuit is suitably configured with an independent charging circuit configured for supplying ... | 09/21/2004 |
| 6674304 | Output buffer circuit and method of operation An output buffer (100) contains a low voltage driver (110), a medium voltage driver (108), and a high voltage driver (106). When an output pad (112) is configured to operate between ground and the medium voltage, the low voltage driver (110) is first used... | 01/06/2004 |
| 6538590 | Transient noise reduction circuits, systems and methods in power digital-to-analog converters A system for suppressing transient noise in switched-mode amplifier systems is disclosed. An amplifier, for amplifying a signal from a digital signal source includes a first complementary metal oxide semiconductor field effect transistor (MOSFET) pair. A ... | 03/25/2003 |
