| Patents for G01R 13 - Arrangements for displaying electric variables or waveforms (5,418) |
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| 03/20/1990 | US4910454 System for electrical signal sampling with ultrashort optical pulses |
| 03/14/1990 | CN2054537U Memory storage for oscillograph wave pattern |
| 03/13/1990 | CA1266704A1 Variable color digital multimeter |
| 03/07/1990 | EP0357439A2 High frequency test head using electro-optics |
| 03/07/1990 | EP0357438A2 Ultra-high-speed digital test system using electro-optic signal sampling |
| 03/06/1990 | US4906916 Signal processing device having high speed shift register |
| 02/27/1990 | US4905165 Measured data display device with strip chart simulation and table format |
| 02/27/1990 | US4904931 Electro-optical voltage measuring system incorporating a method and apparatus to derive the measured voltage waveform from two phase shifted electrical signals |
| 02/27/1990 | US4903596 System for indicating settings of ink feed for printing |
| 02/21/1990 | CN2053343U 脉冲电度表 Pulse meter |
| 02/20/1990 | US4902108 Reverse variable transmittance of light |
| 02/20/1990 | CA1266138A1 Dual display monitor |
| 02/13/1990 | US4901009 Method and device for the automatic recording of signal curves |
| 02/08/1990 | DE3826162A1 Compact unit for displaying and visually detecting corona discharges on objects |
| 01/24/1990 | EP0351900A2 Logic analyser with configurable multi-levels |
| 01/23/1990 | US4896271 Method and apparatus for measuring jitter in a periodic signal |
| 01/17/1990 | EP0350557A1 Method and apparatus for compacting digital time series data for display on a digital oscilloscope |
| 01/17/1990 | CN1038880A Instrumentation and monitoring systems employing differential temperature sensors |
| 01/16/1990 | CA1264496A1 Frame buffer memory controller |
| 01/03/1990 | EP0349328A2 Self-adjusting oscilloscope |
| 01/03/1990 | EP0348708A2 Analog-digital converter for an oscilloscope |
| 01/02/1990 | US4891581 Apparatus for sampling, analyzing and displaying an electrical signal |
| 12/28/1989 | WO1989012831A1 Electrooptical effect element and device for measuring electric signal waveforms using said element |
| 12/27/1989 | EP0348123A1 Method and apparatus for automatically calibrating the gain and offset of a time-shifted digitizing channel |
| 12/27/1989 | EP0347901A2 Digital waveform measuring apparatus having a shading-tone display function |
| 12/26/1989 | US4890237 Method and apparatus for signal processing |
| 12/20/1989 | CN2049775U Electromagnetic deflection big screen oscilloscope |
| 12/06/1989 | EP0345011A1 Electrical signal observing device |
| 12/06/1989 | EP0344986A2 Electrical signal observing device |
| 12/05/1989 | US4885713 System for digitizing the trajectory of a target point of a moving beam |
| 12/05/1989 | US4885465 Spectrum display device for x-ray microanalyzer or the like |
| 11/29/1989 | EP0343906A2 Spectrum analysers |
| 11/29/1989 | EP0343733A1 Display tube control system |
| 11/28/1989 | US4884228 Flexible instrument control system |
| 11/14/1989 | US4881070 Meter reading methods and apparatus |
| 11/09/1989 | DE3807147A1 Verfahren und anordnung zur messung des zeitlichen verlaufs eines periodischen signals mit hoher zeitaufloesung nach einem boxcar-aehnlichen verfahren The method and process arrangement for measuring the temporal course of a periodic signal with high time resolution according to a similar boxcar |
| 11/07/1989 | US4879507 Noise measurement probe |
| 11/02/1989 | WO1989008266A3 Measurement of the variation in time of a periodic signal |
| 11/02/1989 | EP0339286A2 Test system for acquiring, calculating and displaying representations of data sequences |
| 11/02/1989 | EP0339203A1 Raster display |
| 11/02/1989 | DE3813546A1 Oscilloscope |
| 11/02/1989 | DE3813545A1 Measuring range switch for the automatic setting of measuring ranges |
| 11/02/1989 | DE3812101A1 Measuring device for a large number of measuring points |
| 10/31/1989 | US4878194 Digital signal processing apparatus |
| 10/24/1989 | US4876655 Method and apparatus for evaluating jitter |
| 10/17/1989 | US4875006 Ultra-high-speed digital test system using electro-optic signal sampling |
| 10/12/1989 | DE3810727A1 Electronic device having display elements |
| 10/11/1989 | EP0336470A1 Sampling system, pulse generation circuit and sampling circuit suitable for use in a sampling system, and oscilloscope equipped with a sampling system |
| 10/10/1989 | US4873646 Digital Correction of linear system distortion |
| 10/04/1989 | EP0335496A2 Waveform timing alignment system for digital oscilloscopes |
| 10/04/1989 | CN2045550U Multipurpose power-saving service life prolonging device (2) |
| 10/04/1989 | CN2045549U Multipurpose power-saving service life prolonging device (1) |
| 09/27/1989 | EP0334493A2 Continuously variable clock delay circuit |
| 09/27/1989 | EP0334426A1 Triggering system and osciloscope equipped with a triggering system |
| 09/26/1989 | US4870350 Electrical signal observing device |
| 09/26/1989 | US4870349 Digital level indicating device |
| 09/26/1989 | US4870348 Markers for readout and delta-parameter measurements on a quasi-3-dimensional display of a spectrum |
| 09/26/1989 | CA1261923A1 Variable color digital multimeter |
| 09/26/1989 | CA1260639A1 Digital display apparatus |
| 09/19/1989 | US4868465 Determining a delay time for electron beam |
| 09/12/1989 | US4866352 Display circuit of an oscilloscope |
| 09/12/1989 | US4866302 Time domain reflectometer |
| 09/08/1989 | WO1989008266A2 Measurement of the variation in time of a periodic signal |
| 09/05/1989 | US4864522 Process for the sampling of an electric signal varying over time and apparatus for the implementation and application of this process |
| 09/05/1989 | US4864405 CRT video display device with automatically adjustable scanning amplitude |
| 08/30/1989 | EP0330450A2 Liquid crystal display device |
| 08/29/1989 | US4862287 Power line monitor and printer system |
| 08/29/1989 | US4862075 High frequency test head using electro-optics |
| 08/29/1989 | CA1258883A1 Probe body for an electrical measurement system |
| 08/22/1989 | US4859935 Method and apparatus for combining an optical and electrical channel in an oscilloscope |
| 08/15/1989 | US4858153 Method and apparatus for fixing an instantaneous measured value |
| 08/08/1989 | US4855968 Time interval measurement system for analog oscilloscope |
| 08/08/1989 | US4855741 Logarithmic digital level display device |
| 08/08/1989 | US4855682 Trigger arrangement suitable for oscillscopes |
| 08/01/1989 | US4853619 Digital panel meter |
| 07/25/1989 | US4851833 Digital engine analyzer |
| 07/19/1989 | EP0324134A2 Method and apparatus for measuring jitter in a periodic signal |
| 07/19/1989 | CN1034091A Production and manipulation of high charge density |
| 07/18/1989 | US4849744 Digital engine analyzer |
| 07/13/1989 | DE3744397A1 Method and circuit for the memory-saving recording of signal curves |
| 07/11/1989 | CA1257335A1 Digital voltmeter with variable color background |
| 07/11/1989 | CA1257334A1 Variable colour digital voltmeter |
| 07/11/1989 | CA1257330A1 Battery tester including textile substrate |
| 07/06/1989 | DE3744132A1 Method and circuit for suppressing the quantisation noise |
| 07/06/1989 | DE3743543A1 Bedien- und anzeigevorrichtung Operating and display device |
| 07/04/1989 | US4845642 Display device for complex transmission reflection characteristics |
| 06/27/1989 | US4843309 Waveform timing alignment system for digital oscilloscopes |
| 06/20/1989 | US4841200 Circuit for driving a multiple-element display |
| 06/13/1989 | US4839584 Signal level display device for recording/reproducing apparatus |
| 06/13/1989 | US4838076 Display for displaying the velocity of a vehicle and the rotational speed of the vehicle engine |
| 06/07/1989 | EP0318768A1 Logic analyser |
| 06/06/1989 | US4837621 Mode discriminator for monitor |
| 06/06/1989 | US4837561 Method and apparatus for the generation of mixed REFRESH and ROLL mode display in a CRT |
| 05/30/1989 | US4835736 Data acquisition system for capturing and storing clustered test data occurring before and after an event of interest |
| 05/30/1989 | US4835475 Battery tester including a thermochromic material |
| 05/24/1989 | EP0317236A2 Data acquisition system |
| 05/23/1989 | US4833445 Fiso sampling system |
| 05/16/1989 | US4831328 Measurement processing arrangement |
| 05/16/1989 | US4831326 Digital voltmeter with variable color background |
| 05/10/1989 | EP0315435A2 Improvements in or relating to a streaking or framing image tube |