Bizarre Patents
A new toilet tank assembly aquarium for housing aquatic creatures.
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 |
| 8129982 | Voltage sensing circuits and methods for inverters A voltage sensing circuit includes a voltage divider and a voltage rectifier. The voltage divider divides a first output voltage on a first output voltage line to a first divided output voltage. The voltage divider comprises a first metal foil and a first capacitor.... | 03/06/2012 |
| 8004273 | System for simplified correlation of instrumentation probes and data displays A system for testing a device under test includes a probe that detects a signal from the device under test, a display device that depicts a trace based on the signal, where the trace exhibits an attribute, and an indicator that emits an indication signal based on th... | 08/23/2011 |
| 7855547 | Drawing waveforms in no dead time acquisition system A method of drawing a waveform image in a no dead time acquisition system, where consecutive drawing frames overlap, uses a master/slave relationship between two fast rasterizers. The master rasterizer draws a first display frame in response to a first trigger event... | 12/21/2010 |
| 7746058 | Sequential equivalent—time sampling with an asynchronous reference clock A sequential equivalent-time sampling oscilloscope simultaneously acquires samples of a signal-under-test and a reference clock that is asynchronous with the signal-under-test. The oscilloscope converts the samples of the reference clock into timestamps and uses the... | 06/29/2010 |
| 7652465 | No dead time data acquisition A “no dead time” data acquisition system for a measurement instrument receives a digitized signal representing an electrical signal being monitored and generates from the digitized signal a trigger signal using a fast digital trigger circuit, the trigger signal ... | 01/26/2010 |
| 7554319 | Circuits and methods for voltage sensing A voltage sensing circuit includes a voltage divider and a voltage rectifier. The voltage divider divides a first output voltage on a first output voltage line to a first divided output voltage. The voltage divider comprises a first metal foil and a first capacitor.... | 06/30/2009 |
| 7421355 | Measuring apparatus, measuring method, testing apparatus, testing method, and electronic device There is provided a measuring apparatus for measuring a signal-under-test, having a comparator for sequentially comparing voltage values of the signal-under-test with a threshold voltage value fed thereto at timing of strobe signals sequentially fed thereto, a strob... | 09/02/2008 |
| 7398169 | Measuring apparatus, measuring method, testing apparatus, testing method, and electronics device There is provided a measuring apparatus for measuring a signal-under-test, having a comparator for sequentially comparing voltage values of the signal-under-test with a reference voltage value fed thereto at timing of strobe signals sequentially fed thereto, a strob... | 07/08/2008 |
| 7379830 | Period determination of a periodic NRZ signal A method and apparatus for determining the period Tp of a signal representing a digitally modulated waveform using NRZ coding with a discrete/integer number of a clock periods between signal transitions, where a periodic sequence of logic “1s” and log... | 05/27/2008 |
| 7373263 | Analog-type measurements for a logic analyzer A logic analyzer that performs analog-type measurements on digital data includes circuitry in its acquisition system that is programmable to search through acquired data to detect analog-type signal characteristics. In a first embodiment, the logic analyzer includes... | 05/13/2008 |
| 7365528 | Method and apparatus of voltage measurement using flying capacitor and switching circuits The present invention is to provide a method and apparatus of voltage measurement with a high resolution. An apparatus of voltage measurement includes: a buffer circuit for separating a voltage between terminals of a capacitor or an equivalent voltage into a first v... | 04/29/2008 |
| 7362214 | Branching device for transmission line and monitoring apparatus using the same A branching device for a transmission line, including a main transmission line including at least two signal lines and having respective connectors provided at either end; a first branch transmission line which branches from the signal lines and which has a branch-u... | 04/22/2008 |
| 7352167 | Digital trigger An improved digital trigger circuit has a plurality of data samples extracted from an input electrical signal for each sample clock cycle. The plurality of data samples are compared in parallel with a high threshold level and a low threshold level which provides hys... | 04/01/2008 |
| 7342393 | Multimeter with filtered measurement mode A multimeter with a filtered measurement mode. By pressing a single button or key, a low-pass filter is switched into the signal path to filter voltage spikes, noise, and switching transients from pulse-width modulated pulses, or lower frequency sinusoidal signals w... | 03/11/2008 |
| 7340358 | Measurement equipment A measurement equipment has a polygonal line processing section and a computational processing section. The polygonal line processing section produces a polygonal line pattern signal based on a predetermined polygonal line pattern having a polygonal line value that ... | 03/04/2008 |
| 7327302 | Equivalent time asynchronous sampling arrangement An asynchronous sampling arrangement utilizes sampling of both a high speed data signal and a trigger (clock) signal. The data signal may be either an optical signal or an electrical signal. The data and trigger signals are sampled in parallel by two separate gates,... | 02/05/2008 |
| 7305312 | Method and apparatus for recording a real time signal A system, method, and apparatus for obtaining a record of logic level transitions within a signal, and for accurately determining a voltage-time pair exhibited by the signal. To achieve these ends, a front-end device may be mated to a real-time sampling system, such... | 12/04/2007 |
| 7294995 | Current probing system A current probing system has a current probe and a detachable adapter. The current probe has a probe body with electrically conductive contacts that mate with electrically conductive contacts on the adapter. Leads extend from the adapter for coupling to a current ca... | 11/13/2007 |
| 7292164 | Enhanced data converters using compression and decompression An enhancement that reduces the digital interface rate of analog-to-digital (A/D) and digital-to-analog (D/A) converters through the use of compression and decompression is described. Improved A/D converters compressing a sampled version of an A/D converter's analog... | 11/06/2007 |
| 7289920 | Method and apparatus for capture of grid characteristics corresponding to fluctuation events The techniques described herein allow a wind turbine generator system to automatically capture voltage waveform data corresponding to a voltage disturbance event. Data corresponding to a period preceding the voltage disturbance event, during the event and a period o... | 10/30/2007 |
| 7285948 | Method and apparatus providing single cable bi-directional triggering between instruments System and apparatus enabling the use of a single cable to communicate triggering information between each of a plurality of signal acquisition devices and, illustratively, an external trigger control unit. A combined tripper signal is produced only when each trippe... | 10/23/2007 |
| 7284144 | Finite state machine interface has arbitration structure to store command generated by internal circuits during evaluation phase of state machine for FLASH EEPROM device An interface is provided for an integrated system that includes internal circuits, with each internal circuit functioning based upon its own clock. The interface includes a finite state machine for managing asynchronous and independent interactions between the inter... | 10/16/2007 |
| 7278069 | Data transmission apparatus for high-speed transmission of digital data and method for automatic skew calibration A data transmission apparatus and method employing the phase noise characteristics within the receiving registers to measure and control the characteristics of the channel as a function of the data pattern and to compensate for production tolerances within the chann... | 10/02/2007 |
| 7266824 | Address space priority arbitration A digital system and method of operation is provided in which several processors (400[]) are connected to a shared resource (432). Each processor has a translation lookaside buffer (TLB) (310[]) that contains recently used page entries that each... | 09/04/2007 |
| 7262627 | Measuring apparatus, measuring method, and test apparatus There is provided a measuring apparatus that generates a first strobe signal and a second strobe signal in synchronization with an output signal, sequentially changes phases of the strobe signals whenever the electronic device outputs the output signal multiple time... | 08/28/2007 |
| 7254168 | Method for decomposing timing jitter on arbitrary serial data sequences A method and apparatus for decomposing timing jitter on arbitrary serial data sequences. Specifically, in one embodiment according to the present invention, a method is provided of decomposing timing jitter on a signal under test (SUT) comprising an arbitrary serial... | 08/07/2007 |
| 7246017 | Waveform measuring apparatus for measuring waveform data and writing measurement data to acquisition memory A waveform measuring apparatus can sequentially and continuously read measurement data from an acquisition memory, where the measurement data has been written by multiple acquisitions, after acquisition stops. The waveform measuring apparatus writes measurement data... | 07/17/2007 |
| 7239341 | Vector waveform rotation device A vector waveform rotation device (60) for rotating a vector waveform displayed on a vector comprises rotation amount setting means (5′) for holding a rotation amount α, and means (6′) for inputting a first color difference signal (B-Y sign... | 07/03/2007 |
| 7236247 | Method of measuring a physical function using a composite function which includes the physical function and an arbitrary reference function A method for measuring a physical function forms a symmetric composite function by combining the physical function with a reference function. The method obtains a Fourier transform of the symmetric composite function. The method calculates an inverse Fourier transfo... | 06/26/2007 |
| 7227349 | Method and apparatus for the digital and analog triggering of a signal analysis device A method and apparatus enabling the analog and digital triggering of a signal analysis device such as a Logic Analyzer, wherein separate analog and digital signal paths provide separate analog and digital processing of an input test signal for enabling the triggerin... | 06/05/2007 |
| 7227549 | Indicating and manipulating a zoom region of a waveform A method of indicating and manipulating a zoom region of a waveform being displayed includes a zoom region indicator. The zoom region indicator has an associated marker that spans the zoom region but is never less than a minimum span to allow ease of identifying or ... | 06/05/2007 |
| 7206722 | Oscilloscope having an enhancement filter An enhancement filter for an oscilloscope is disclosed wherein the enhancement filter may be initially calibrated for one or more channels and/or for one or more attenuation settings such as 50 mV per division, 100 mV per division, and/or 200 mV per division, for ex... | 04/17/2007 |
| 7197718 | Interactive virtual area browser for selecting and rescaling graphical representations of displayed data A computer implemented graphical user interface and data processing method is provided that facilitates manipulation of objects on a display by directly manipulating a graphic representation of an active area of data. The user can select an active region of a larger... | 03/27/2007 |
| 7193505 | Channel-to-channel compare A word recognizer for providing a channel-to-channel compare for an input digital signal divides channels of the input digital signal into equal-width input signal channel paths. One input signal channel path serves as a reference value for comparison with the other... | 03/20/2007 |
| 7191079 | Oscilloscope having advanced triggering capability An advanced trigger circuit includes two trigger decoders, each triggering on one of respective pluralities of continuous-time trigger events. In one embodiment, a programmable timer begins timing in response to an output signal of the first trigger decoder and gene... | 03/13/2007 |
| 7190360 | Display device and method of driving the same The present invention is intended to achieve an improvement in the horizontal resolution of an active matrix semiconductor display device. In accordance with the present invention, by supplying a modulated clock signal obtained by frequency modulating a reference cl... | 03/13/2007 |
| 7184899 | Energizable electrical test device for measuring current and resistance of an electrical circuit Provided is an electrical test device having multi-meter functionality and being adapted to provide current sourcing to an electrical system for selective measurement of a plurality of parameters. The electrical test device comprises a conductor probe element, a pow... | 02/27/2007 |
| 7173443 | Semiconductor test system A mixed signal test system for testing a semiconductor device having both an analog function and a digital function achieves improved resolution and low cost. The test system is formed of a functional test unit for testing a digital function of a device under test (... | 02/06/2007 |
| 7170929 | Digital signal transmission system and method of displaying transmission condition in digital signal transmission system A digital signal transmission system using a digital modulation system comprising a digital signal transmitter having a first digital signal processing unit and a digital signal receiver receiving a digital signal from the transmitter, wherein the digital signal rec... | 01/30/2007 |
| 7155355 | Method of constraints control for oscilloscope vertical subsection and display parameters An apparatus and method for constraining an amplitude range parameter associated with the acquisition and display of a signal under test (SUT) acquires samples of the SUT that are constrained according to the amplitude range parameter to generate a stream of acquire... | 12/26/2006 |
