Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7825649 | Specific phase position detection The specific phase position detection circuit detects first and second temporal positions which have respective desired phase offsets from an upper peak position and an lower peak position of an analog signal having periodicity. The specific phase position detection... | 11/02/2010 |
| 7323794 | Independent control of output current balance between paralleled power units An information handling system power supply system has a plurality of power supply units (PSUs) with outputs connected in parallel and a current balancing circuit for equalizing current from these outputs. A pseudo output current value may be added to the actual out... | 01/29/2008 |
| 7305045 | Low voltage swing pad driver and receiver Low voltage swing pad driver and receiver. A transmitter portion and a receiver portion are implemented within various devices that communicate using low voltage swing pads communicatively coupled via a trace. The transmitter portion of one device generates a curren... | 12/04/2007 |
| 7280061 | Digital-to-analog converter using a frequency hopping clock generator Method and device for reducing the signal images at the output of a digital/analog converter. In a method for reducing the signal images at the output of a digital/analog converter, a frequency hopping clock generator provides a digital data signal whose data rate i... | 10/09/2007 |
| 7269200 | Frequency hopping communication device with simple structure A frequency hopping communication device has a memory memorizing modulation coefficients related to hopping frequencies of a carrier wave. Whenever a following hopping frequency is decided, a CPU reads out one of the modulation coefficients on the basis of the follo... | 09/11/2007 |
| 7218176 | Digital phase-locked loop circuit A digital phase-locked loop circuit includes a counter for outputting a count value corresponding to an output frequency outputted by a voltage controlled oscillator in response to a control voltage signal, a comparator for comparing the count value from the counter... | 05/15/2007 |
| 7203046 | Overcurrent detecting device An overcurrent detecting device for detecting an overcurrent in a load circuit, includes a DC power supply, a load, a semiconductor switch that controls ON/OFF of the load, a driver circuit that outputs a driving signal to the semiconductor switch, a reference volta... | 04/10/2007 |
| 7170930 | Receiver A method of equalizer adaptation involves comparing equalizer output values with a center threshold, and with at least one of a pair of outer thresholds, and adapting the equalizer in order to increase the degree of eye opening. The values of the outer thresh... | 01/30/2007 |
| 7154938 | RF communications system utilizing digital modulation to transmit and receive data The RF communications system of the present invention wirelessly communicates data without encountering undue interference problems with other devices and complies with rules governing unlicensed, spectrum-sharing devices. In an example embodiment, a transmitter dev... | 12/26/2006 |
| 7152174 | Method and apparatus for operating a server system including determining the power supplied by one of a plurality of power supplies by measuring voltage on a load share signal line The specification may disclose a system and related method for control of a server system that may include determining the amount of power delivered in a system utilizing redundant power supplies based on a measurement of the voltage of load share signals between th... | 12/19/2006 |
| 7135896 | Output buffer circuit and semiconductor integrated circuit Replica output buffers, having the same input/output characteristic as that of an output buffer, respond to the rise of a TEST signal generated by a test pulse generating circuit and causes an output signal to rise at a through rate according to voltage of an SL_SET... | 11/14/2006 |
| 7076401 | Method and apparatus for measuring data timing using unity time-voltage sawtooth ramps A method and apparatus for converting skew in a received signal to a low frequency voltage. A signal is received at a destination node from an original signal from a source node. A unity time-voltage sawtooth ramp signal is created at the destination node. The ampli... | 07/11/2006 |
| 7039471 | Method and device for calculating the steady-state time point of a controller A device for calculating the steady state behavior of a controller includes an amount generating unit for generating the amount of deviation of the regulator, a first threshold value calculation unit that detects whether the amount of deviation of the regulator has ... | 05/02/2006 |
| 7005865 | Circuit and method for impedance detection An electrostatic capacitance detection circuit 10 comprises a DC voltage generator 11, an operational amplifier 14 of which non-inverting input terminal is connected to specific potential, an impedance converter 16, a resistance (R1 | 02/28/2006 |
| 6992990 | Radio communication apparatus Radio communication apparatus includes a baseband processor for modulating data to be transmitted into an IF signal and for demodulating an IF signal derived from a received high frequency signal. A front end section receives the IF signal from the baseband processo... | 01/31/2006 |
| 6975264 | Signal separating system A signal separating system 1 comprises a frequency conversion element 3, a dynamic filter component 4 with associated coherent stop slot and non-coherent passband, optionally a signal wave enhancer 7 with bypass, and a frequency reconvers... | 12/13/2005 |
| 6937025 | Method and circuit employing current sensing to read a sensor A current sensing method and circuit for reading out a sensor cell, and a sensing apparatus comprising an array of sensor cells arranged along column lines and a current sensing readout circuit coupled to each column line. The sensor cell is configured to assert a s... | 08/30/2005 |
| 6867576 | Current sense circuit for motor drive A small capacity FET is coupled to a power MOSFET to sense voltage across the power MOSFET for determining current carried through the power MOSFET. The FET is turned on when the power MOSFET is turned on to obtain a sense voltage that is fed to a comparator to dete... | 03/15/2005 |
| 6768295 | Offset calibration of current sharing signal for power supply units in redundant operation The specification discloses a system and related method for ensuring that power supply units operated in a parallel fashion evenly distribute the load among them. More particularly, the specification discloses a system and related method for correcting current shari... | 07/27/2004 |
| 6731101 | Modulation semiconductor integrated circuit device and testing method for oscillation circuit In accomplishing an LC-oscillation VCO circuit which is immune to frequency deviation and a frequency-hopping radio communication apparatus using the VCO circuit, a modulation semiconductor integrated circuit device is designed to control the LC-oscillation VCO dire... | 05/04/2004 |
| 6696829 | Self-resetting phase locked loop An integrated circuit device having a self-resetting phase-locked loop (PLL) circuit. The PLL circuit generates an output clock signal having a first frequency in a first operating mode and a second frequency in a second operating mode, the second frequen... | 02/24/2004 |
| 6688715 | Low impedance diagnostic for gun driver and method An apparatus for detecting a low impedance load on an output of a driver circuit electrically connected to a coil of a fluid dispensing gun. The driver circuit provides a plurality of output signals to the coil in response to respective drive signals. Eac... | 02/10/2004 |
| 6680607 | Method of detecting steady-state convergence of a signal A method for detecting steady-state convergence of a signal compares a filtered version of the signal or its derivative to a threshold over a given time interval, and a measure of the signal variability is used to tune the filter behavior. In one implemen... | 01/20/2004 |
| 6639413 | System and method for calibration of data in an electric power monitoring system The error compensating system and method is used in electric power monitoring systems, e.g. protective relays, and includes a test unit for applying a test signal to the front end of a data acquisition section of the power monitoring system and a phase re... | 10/28/2003 |
| 6507182 | Voltage modulator circuit to control light emission for non-invasive timing measurements A non-invasive method and apparatus accurately measures the time difference between two signal edges by optically detecting the emission from a `beacon device` that is modulated as a function of time difference. Through the use of this modulation it is po... | 01/14/2003 |
| 6448755 | Phase detector with linear gain selection A phase detector with a linear gain characteristic includes two exclusive-OR gates with inputs connected to an input signal and an inverted input signal and a reference signal in a phase locked loop. The outputs of the exclusive-OR gates are connected to ... | 09/10/2002 |
| 6242900 | System for measuring partial discharge using digital peak detection A partial discharge measurement system is provided which comprises a digital peak detection circuit. The partial discharge measurement system digitizes and detects both positive and negative slopes of a signal from an electrical device being tested. The p... | 06/05/2001 |
| 6239586 | System for digital measurement of breakdown voltage of high voltage samples A breakdown voltage measurement system is provided which employs a digital peak detection circuit for peak voltage measurement. The breakdown voltage measurement system employs a voltage memory device for storing successive peak values obtained from the d... | 05/29/2001 |
| 6157198 | Automatic timebase calibration for synchronizing a timebase frequency with a frequency reference standard The present invention is a timebase calibration system having a phase locked loop configuration. The system includes a phase detector having a first input receiving an output of an oscillator, and a second input which can be coupled to a frequency referen... | 12/05/2000 |
| 6054867 | Method for stabilizing feedback loop of impedance measuring apparatus A method for stabilizing feedback loop in impedance measuring equipment involves determining a null loop transfer function of the impedance measuring device by utilizing multiple independent, known impedances. The phase characteristics of the null loop is... | 04/25/2000 |
| 6008663 | Eliminating phase shift in an integrated circuit tester An integrated circuit (IC) testing apparatus automatically detects and eliminates a phase difference between signals. A signal selection circuit 30 selects two test signals from a test pattern applied to a test device and outputs two test signals as a sta... | 12/28/1999 |
| 5894226 | IC testing apparatus An IC testing apparatus performs testing on a test device such as an IC using test signals each consisting of test pulses. The apparatus contains skew adjusting circuits, drivers and comparators. Herein, the skew adjusting circuit receives a test signal t... | 04/13/1999 |
| 5825173 | Circuit for detecting phase angle of three-phase alternating current A circuit for detecting the phase angle of a three-phase alternating current includes a plurality of low-pass filters installed at each input port for removing noise and high-frequency signals mixed in an alternating current input signal, a plurality of m... | 10/20/1998 |
| 5789913 | Method for analyzing and equalizing signals Equalizers, used for equalizing distorted signals, are calibrated with the aid of the so-called "eye" pattern on the oscilloscope. Data bits are traced with their edges above one another by triggering to the amplitude so that an "eye" opening is produced.... | 08/04/1998 |
| 5646519 | Digital phase detector employing a digitally controllable delay line A digital phase detector composed of: a digitally controllable signal delay device having a signal input, a signal output and a control input, the delay device being operative for conducting a signal from the signal input to the signal output with a time ... | 07/08/1997 |
| 5576619 | Method and apparatus using an electrical sensor for monitoring a moving medium A method is provided for the monitoring of a moving medium (1), in particular the measurement of the filling level in a container or the distance signal of an object (1) to be detected where a sensor (2) is employed. The sensor (2) is subjected at its inp... | 11/19/1996 |
| 5414368 | Dielectric constant detecting apparatus A dielectric constant detecting apparatus comprises an LC circuit for shifting the phase of a high frequency voltage signal according to the dielectric constant of a liquid which passes between the coil and the electrode of the LC circuit. A resistor is c... | 05/09/1995 |
| 5351000 | Method of cancelling offset errors in phase detectors A phase detector circuit which includes a first fixed delay circuit responsive to the first input signal for producing a fixedly delayed first signal which is a replica of a first input signal and delayed relative thereto by a fixed delay, a second fixed ... | 09/27/1994 |
| 4864639 | Self-test device and method having an amplifier converted into an oscillator An FM receiver is self tested by connecting a positive feedback network in circuit with a wideband, front end r.f. amplifier of the receiver, so that the amplifier is converted into an oscillator. R.f. and i.f. characteristics of the receiver are determin... | 09/05/1989 |
| 4780667 | Magnetostatic wave delay line discriminator with automatic quadrature setting and automatic calibration A discriminator having a power divider that divides a signal under test into a signal channel component and a reference channel component. A tunable delay line, such as a magnetostatic wave delay line, inserts a delay into the reference channel. A multiel... | 10/25/1988 |
