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Patent Searching and Data


Matches 301 - 350 out of 9,535

Document Document Title
WO/1999/043010A2
A self-powered current monitor for monitoring current in electric power systems. Various data relating to input currents may be displayed, such as current magnitude, current demand, and harmonics levels. Operating power is derived from o...  
WO/1999/040451A1
The present invention relates to a measuring and electrochromic display system for electrically measured variables, wherein said system comprises an electrochromic substance located between two electrodes having their base surface determ...  
WO/1999/025048A1
A method employed in a condition monitoring unit for monitoring a circuit breaker or interrupter to obtain a substantially undistorted version of a waveform suffering from saturation distortion. Undistorted portions of a partially distor...  
WO/1999/007072A1
Trigger level adjustment process and device, and digital storage oscilloscope equipped with such a device. In the disclosed process, device and digital storage oscilloscope, the value range (X¿min?, X¿max?) of a trigger signal (21) is ...  
WO/1999/005534A1
The invention concerns a device for analysing a single electric pulse comprising an electric circuit consisting of a propagation line including, in standard fashion, optoelectronic switches consisting of photoconductive blocks, each of t...  
WO/1998/036284A1
A real time signal analyzer capable of generating time region data and frequency region data at substantially the same time, and resetting a central frequency and a signal analysis range, the analyzer being provided with frequency conver...  
WO/1998/026298A1
A novel real-time signal analyzer which has the merits of both the conventional real-time FFT analyzer and a vector signal analyzer and eliminates the demerits of the analyzers. This analyzer is provided with an FFT processor (14) which ...  
WO/1997/044677A1
A digital oscilloscope in which the acquisition/data accumulation is decoupled from the display of the accumulated data in order to increase the speed at which new data may be accumulated and displayed. The invention also provides for va...  
WO/1997/014970A1
A system and method of eliminating systematic noise in a stimulus-response system. A data acquisition time frame is triggered during which a desired response signal is acquired. The triggering initiates the systematic noise which is stor...  
WO/1997/014043A1
sn an input circuit there is a switching component (6, 6', 6") between the signal line connection (1) and a reference protential which is periodically triggered by a control and evaluation circuit (10). The periodic triggering considerab...  
WO/1997/011360A1
A cell tester device (20) for use on an electrochemical cell (39) which comprises a printed transparent electrically condutive electrode (25) disposed on a plastic film (21), an ionically conductive electrochromic electrolyte (24) printe...  
WO/1996/037785A1
A structure with fine details, such as a periodic signal, is displayed on a raster display. To avoid aliasing due to an interference between the details and the columns and row pattern of the raster display each of the points representin...  
WO/1996/026448A1
Highly accurate time interval measurement is achieved for an electrical waveform. The electrical waveform is sampled and converted to a series of voltages, and the series of voltages is interpolated in order to form a time tag list (222)...  
WO/1995/025960A1
A new method for analyzing an electrical waveform (19) of the type portrayed on a graph (25) includes the steps of selecting a waveform (19) to be analyzed, establishing the boundary (35 or 37) of a window-like area (27 or 29) and genera...  
WO/1994/016338A1
By using a sheet beam (26) and a charge-storing target (36) measuring differential of the deposited charge, one can greatly improve the performance of a scan converter (10). A segmented target (190) provides instantaneous analog output.  
WO/1994/014079A1
Described is a circuit designed to indicate the charge status of a battery (B) fitted in electrical equipment. The circuit consists of a hysteresis-type voltage comparator (K) which measures the battery voltage (UB), an oscillator (S1, C...  
WO/1994/007148A1
A process is disclosed for scanning an analog, periodical measurement signal affected with a phase jitter and which should be acquired in advance. A measurement value is recorded per individual signal and each ulterior measurement value ...  
WO/1994/006203A1
This invention relates to a servo waveform display system which stores servo data before and after the occurrence of a servo alarm and displays the data on a display, so as to easily specify the causes of a trouble. Servo motor instructi...  
WO/1994/002859A1
The present invention relates to a method and a device for individual monitoring of anode current in electrolytic cells for production of aluminium which cells are equipped with prebaked anodes. The current for each anode is measured con...  
WO/1993/017345A1
Methods and apparatus for electronically displaying metered electrical energy are disclosed. A first processor (14) receives voltage and current signals and determines electrical energy. The first processor (14) generates an energy signa...  
WO/1993/017390A1
The meter includes a first processor (14) for determining electrical energy from voltage (12A, 12B, 12C) and current signals (18A, 18B, 18C) and for generating an energy signal (42, 44, 46, 48) representative of the electrical energy det...  
WO/1993/013427A1
A device and a process for enabling an incident wide bandwidth (greater than about 1GHz) short duration (less than about 10 microseconds) individual pulse of electromagnetic radiation to be digitally sampled at a sampling rate that is ac...  
WO/1992/015959A1
A scientific instrument emulator is disclosed and comprises a computer (1) including a memory (3) and at least two processors (2, 9). An analogue I/O module (6) is configured within the computer (1) and connects via a bus (11) thereby pe...  
WO/1992/013368A1
A battery strength indicating and switch means (12) on a battery (18) which is coupled across the terminals (20) of the battery and which is provided with an indicating means to indicate the strength of the battery. Additionally, the bat...  
WO/1992/010033A1
A signal acquisition system using an ultrawide time range digitizer with variable time interval data sampling and data storage includes signal conditioning and sampling stages (21), a digitizing stage (44) for generating digital represen...  
WO/1992/006292A1
An ignition adapter for DIS four stroke engines provides conventional voltage waveforms for a diagnostic oscilloscope. Spark plug leads from a DIS four stroke engine are grouped together depending on their respective firing polarity. A f...  
WO/1992/004627A1
A device for indicating the state of charge of an electrochemical cell or battery (29) includes a regulated-voltage generating circuit (61) connectable to the cell and providing a regulated reference voltage (53), an amplifying circuit (...  
WO/1992/002847A1
A display element (10) that can be used in either an analog or a digital liquid crystal display device includes an insulating substrate (12), a surface (13), a display region (18) and at least one elongated connection region (14, 16). Di...  
WO/1991/015776A1
A measurement part U100 measures the imput signal, sweeping the frequency in the measuring range of a predetermined frequency band, to obtain waveshape data which are developed on a frequency axis, like spectral data obtained by a spectr...  
WO/1991/015800A1
In this invention a time-varying or a fixed-value quality is displayed on the two dimensional face of a new electro-optical cell. This cell can be utilised in flat panel displays which presently employ either one of the several types of ...  
WO/1991/012533A1
The present invention concerns a method for differential sampling with a fixed sampling frequency fo. When sampling a signal varying between +Vmax and -Vmax, the dynamics of the sampled signal is large close to the ends of the interval b...  
WO/1990/010239A1
Method and apparatus for measuring of transients of high-frequency active and passive circuits by sampling in different time-lag position. According to the invention the method is characterized by performing in each time-lag position a d...  
WO/1989/012831A1
The electrooptical effect element of the invention has first, second and third electrodes. Among them, the first and second electrodes are provided to constitute microstrip lines in a substrate that has electrooptical effects like the co...  
WO1989008266A3  
WO/1989/008266A2
A better signal-to-noise ratio is obtained during measurements with the disclosed process by selecting an optimized base (A') composed of n scanning functions (S1, S2, ..., Sn). After the scanning measurement values (f*) are projected by...  
WO/1988/008986A1
The device comprises a high speed oscilloscope (1) on the screen of which is formed by scanning a light path representative of the amplitude variation as the function of the time of the signal to be processed. Each point of such path is ...  
WO/1988/004059A1
A high speed sampling apparatus based on multiplexed charged coupled devices or sample and hold devices (18) utilises a microprocessor (20) to monitor timing differences between clock signals, each used to clock a respective one of the d...  
WO/1988/002578A1
A circuit (20) is provided for sampling and accurately reproducing unknown signals with picosecond resolution, which could be electrical, optical, X-ray, gamma ray or particle signals. The circuit (20) comprises a superconductive samplin...  
WO/1988/001422A1
A bar graph display system in which a measured quantity is converted into a digital signal through an A/D converter circuit and is input to an operation circuit, the measured quantity being operated by the operation circuit together with...  
WO/1987/003694A1
A circuit for precisely measuring very high-speed recurring waveforms includes a comparator (2') coupled between an analog input terminal (33) and a successive approximation register (4'). A digital-to-analog converter (6') is also coupl...  
WO/1987/001207A1
A logic analyzer employs a phase locked loop (47, 49, 51, 53, etc.) adapted to be driven by a clock signal from a system under test in order to generate a sampling clock (45) that is synchronized in time relationship therewith and a sele...  
WO1986007488A3  
WO/1986/007488A2
A fast-in, slow-out sampling system that operates at a very high sampling frequency at high accuracy. The system includes a parallel processing sampling structure controlled by a precision pulse generation system.  
WO/1986/006175A1
The display for the reflection characteristics of complex transmission is adapted to process the inputted amplitude and phase values of complex data and indicate the results by a display means, and is characteristized in that it is provi...  
WO/1986/006196A1
A signal analyzer (11) produces polar coordinate data that are to be displayed on an image display device (20) in the raster scanning system. There are provided first and second image memories (14-1, 14-2) having memory arrangements corr...  
WO/1986/006173A1
A device (14) for testing a battery, particularly a small portable battery (25 or 26) comprising a flexible transparent substrate (15) on which is deposited a narrow band of a black absorbant material (18). A conductive material (10) whi...  
WO/1986/005885A1
A signal processing device having at least one entry for analogue entry signals, and a shift register or a suitable data memory; also, an analogue-digital convertor and a processor for the processing of the digital signal sequences which...  
WO/1986/005887A1
A power meter which is able to display the power consumed and the cost of power consumed over any given period. This device provides a continuous measurement of the electrical power consumed which gives a more accurate measurement than m...  
WO/1986/001594A1
A display signal generator which produces signals that can be used for both an analog display device (7) and a digital display device (6) to indicate the output frequency of the inverter. For this purpose, the pulse width of digital sign...  
WO/1984/003944A1
This numerical value measuring instrument comprises an oscilloscope device, a position-detecting panel mounted on the display surface of the oscilloscope device, a keyboard acting as a man-machine interface, and a computer into which det...  

Matches 301 - 350 out of 9,535