Patents
Patents for G01R 13 - Arrangements for displaying electric variables or waveforms (5,418)
11/1993
11/09/1993US5260670 Equivalent time sampler using an oscillator
10/1993
10/26/1993US5256968 Measurement of high-frequency electrical signals by electro-optical effect
10/20/1993EP0566334A1 Sample and hold circuit with full signal modulation compensation using bipolar transistors of single conductivity type
10/19/1993US5255365 Method and apparatus for compacting digital time series data for display on a digital oscilloscope
10/19/1993US5254983 Digitally synthesized gray scale for raster scan oscilloscope displays
10/05/1993US5250879 Video display
09/1993
09/28/1993US5248962 Display driver providing positive off-states
09/22/1993EP0561169A2 Signal processing device
09/22/1993CN1076571A A deflection circuit having a controllable sawtooth generator
09/22/1993CN1076526A Method and apparatus for electronic meter testing
09/21/1993US5247454 Reconfigurable circuit monitoring system
09/15/1993EP0560117A1 A deflection circuit having a controllable sawtooth generator
09/14/1993US5245647 Method and device for synchronizing on an outside event the sampling of measuring signals through a digitizing assembly of the oversampling type
09/14/1993US5245630 Equalized eye pattern instrument
09/14/1993US5245323 Display device
09/08/1993EP0559274A2 Probe apparatus and method for measuring high-frequency signals
09/07/1993US5243343 Signal acquisition system utilizing ultra-wide time range time base
09/02/1993WO1993017390A1 Programmable electrical energy meter and methods therefor
09/02/1993WO1993017345A1 Method and apparatus for electronic meter testing
08/1993
08/31/1993US5241302 Method for displaying signal characteristics
08/11/1993EP0554973A2 Multi-channel trigger dejitter
08/10/1993US5235270 Waveform measuring device
08/10/1993US5235269 Waveform measuring device
08/05/1993DE4300340A1 Combined analogue display instrument for indicating separate signal parameters - has independent signal processors for evaluation of each parameter and common LED-type display
08/03/1993US5233538 Waveform capturing arrangement in a distributed power network
07/1993
07/28/1993EP0552506A1 Method for displaying a waveform of at least one input signal and attribute information on the screen of a cathode ray tube of an oscilloscope, and an oscilloscope for applying the method
07/21/1993EP0552048A2 A system for measuring timing relationship between two signals
07/21/1993CN1074539A Multi-channel digital card oscillograph
07/13/1993US5227716 Measuring instrument with digital parameter control
07/08/1993WO1993013427A1 Digital sampling of individual pulses
07/06/1993US5225776 Method and apparatus for probing and sampling an electrical signal
06/1993
06/29/1993US5223787 High-speed, low-profile test probe
06/29/1993US5223784 Method and circuit for triggering an electronic instrument only once during a period of a signal
06/29/1993US5223768 Data display apparatus with function for correcting effect of external magnetic field
06/23/1993EP0292515B1 A high speed sampling apparatus and method for calibrating the same
06/01/1993US5216756 Luminance interspersion type waveform display apparatus
05/1993
05/25/1993US5214784 Sequence of events detector for serial digital data which selectively outputs match signal in the series which defines detected sequence
05/18/1993US5212485 Analog oscilloscope digitizer
05/11/1993US5210538 Glitch detection circuit and method
05/11/1993CA1317637C Power line waveform measurement system
05/05/1993EP0540105A2 Sampling device for sampling analog signals and digital measuring instrument provided with such a sampling device
04/1993
04/28/1993EP0539129A1 Detection of metastability in triggers
04/27/1993US5206543 Broadband sampling gate circuit capable of eliminating waveform distortions in track hold mode
04/20/1993US5204833 Method and apparatus for recording waveform
04/07/1993EP0535404A1 Device for displaying a parameter value and use thereof
03/1993
03/17/1993EP0531965A1 Method for presenting complex number waveforms
03/16/1993US5194854 Multicolor logic device
02/1993
02/17/1993EP0527526A1 Device and method for generating an oscilloscope trigger signal from a video signal
02/09/1993US5185874 Address generator for high speed data averager
02/02/1993US5184062 Dynamically calibrated trigger for oscilloscopes
01/1993
01/19/1993US5180973 Self-calibrating crt measuring instrument
01/19/1993US5180971 Method and apparatus for increasing throughput in random repetitive digitizing systems
01/06/1993CA2068959A1 Vectormeter
01/05/1993US5177483 Multilevel configurable logic analyzer
12/1992
12/24/1992DE4220145A1 Durch manuell betaetigbare tasten gesteuertes system By manually operable key controlled system
12/16/1992CN1067146A Scan loss detector for cathode roy tube
12/15/1992US5172229 Sync vector generator for composite vectorscopes
12/15/1992US5172051 Wide bandwidth passive probe
12/15/1992US5171180 Method for manufacturing impregnated cathodes
12/09/1992EP0217965B1 Display for reflection characteristics of complex transmission
12/01/1992CA1311028C Instrumentation and monitoring systems employing differential temperature
11/1992
11/25/1992EP0515028A1 Automatic anomalous event detection
11/25/1992CN1066506A Electronic measuring device of same time-base sampling pulse and testing signal
11/24/1992CA1310772C Touch controlled zoom of waveform displays
11/19/1992EP0513992A1 Wide bandwidth passive probe
11/17/1992CA1310374C Method and apparatus for triggering
11/11/1992CN1066148A Method for manufacturing impregnated cathodes
11/10/1992US5162723 Sampling signal analyzer
10/1992
10/28/1992EP0510941A1 Method for manufacturing impregnated cathodes
10/27/1992US5159337 Self-aligning sampling system and logic analyzer comprising a number of such sampling systems
10/20/1992CA2013776C Electro-optic cell for animated displays and indicators
10/14/1992EP0508655A2 Equalized eye pattern instrument
10/14/1992EP0508290A1 Device for setting up the different individual electronic instruments of an instrumentation system
10/13/1992US5155431 Very fast autoscale topology for digitizing oscilloscopes
10/07/1992EP0507470A2 Digital oscilloscope with real-time digital signal processor
10/06/1992US5153667 Apparatus for detecting the change of light intensity
10/06/1992US5153501 Waveform measuring device
09/1992
09/30/1992EP0506223A2 Very fast autoscale topology for digitizing oscilloscopes
09/17/1992WO1992015959A1 Scientific instrument emulator
09/16/1992CN2116221U Indicator for voltage tester
09/15/1992US5148230 Measurement apparatus having improved sample density using nested data acquisitions
09/09/1992EP0502577A1 Measuring instrument for measuring quantities to be displayed
09/01/1992US5144430 Device and method for generating a video signal oscilloscope trigger signal
09/01/1992CA1307050C2 Digital engine analyzer
08/1992
08/26/1992EP0500145A2 Digital engine analyzer
08/19/1992EP0499353A2 Iconic method of showing progress toward an oscilloscope's target number of waveform averages
08/19/1992CN2113494U Subminiature oscillograph
08/12/1992CN2112828U All-position digital meter
08/11/1992US5138239 Vertical amplifier apparatus with a beam-finding function for an oscilloscope
08/05/1992EP0497616A2 Electrochromic cell testers
08/05/1992EP0497444A2 Limited amplitude signal trigger circuit
08/04/1992US5136529 Digital signal weighting processing apparatus and method
07/1992
07/29/1992WO1992013368A1 Battery with strength indicator
07/29/1992CN1063189A Raster distortion correction circuit
07/21/1992US5132625 Distributorless ignition adapter for diagnostic oscilloscopes
07/21/1992US5132557 Sampling head
07/14/1992US5130658 Apparatus and method for indicating state of charge of a battery
07/14/1992US5129722 Expansion windowing system for a measurement test instrument
07/08/1992EP0493824A1 Raster distortion correction circuit
07/07/1992US5128799 Variable reflectance motor vehicle mirror
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