Patents
Patents for G01R 13 - Arrangements for displaying electric variables or waveforms (5,418)
05/1989
05/09/1989US4829293 Method and apparatus for achieving variable and infinite persistence
05/03/1989CN2037073U Memory type logical oscilloscope interface
05/02/1989CA1253606A1 High yield liquid crystal display and method of making same
04/1989
04/25/1989US4825392 Dual function DMM display
04/25/1989US4825379 Method and apparatus for processing waveform records for jitter elimination prior to averaging in determining signal to noise ratio
04/25/1989US4825152 Transient field indicator
04/25/1989US4825103 Sample-and-hold circuit
04/18/1989US4823283 Status driven menu system
04/18/1989US4823077 Channel-gain-vernier-tracking trigger hysteresis for an oscilloscope
04/18/1989US4823076 Method and apparatus for triggering
04/12/1989EP0311477A1 Method for expanding an analogous signal and device for carrying out the method
04/11/1989US4821030 Touchscreen feedback system
04/06/1989DE3732144A1 Electronically controllable scale and dial
04/05/1989EP0310249A1 Integrated superconducting sampling oscilloscope
04/04/1989US4819200 Real-time N-dimensional analog signal rotator
04/04/1989US4818932 Digital oscilloscope
04/04/1989US4818931 Vector analyzer with display markers and linear transform capability
03/1989
03/28/1989US4816813 Raster scan emulation of conventional analog CRT displays
03/28/1989US4815824 Elliptical LCD bar graph with path outline-defining segments
03/21/1989US4814872 Digital video probe system
03/21/1989US4814757 Electrical, scrolling digit display
03/16/1989EP0235250A4 Harmonic sampling logic analyzer.
03/14/1989US4812996 Signal viewing instrumentation control system
03/14/1989US4812769 For producing a strobe light
03/14/1989US4812768 Digital engine analyzer
03/14/1989US4812717 Sweep circuit for oscilloscope
02/1989
02/28/1989US4809189 Equivalent time waveform data display
02/28/1989US4808936 Continuously variable clock delay circuit
02/23/1989DE3726623A1 Liquid-crystal display
02/14/1989US4804921 Digital engine analyzer
02/14/1989US4804251 Electrode structures and electrooptic light gate systems
02/09/1989DE3724794A1 Transient recorder which digitises fast signal sequences and stores them temporarily in a RAM
02/07/1989US4803423 Input circuit for a probe of a logic analyser and probe and logic analyser provided with such a circuit
01/1989
01/31/1989US4802106 Sweep marker display apparatus for polar coordinate display
01/31/1989US4802098 Digital bandpass oscilloscope
01/31/1989US4801873 Waveform measuring apparatus with marker zone displaying function
01/31/1989US4801851 Oscilloscope memory control
01/31/1989CA1249678A1 Method and apparatus for presenting wave forms on a liquid crystal display
01/24/1989US4800378 Digital engine analyzer
01/18/1989EP0299465A2 An apparatus for sampling, analyzing and displaying an electrical signal
01/17/1989US4799165 Level detecting waveform sampling system
01/11/1989EP0298618A2 Interleaved digitizer array with calibrated sample timing
01/10/1989US4797936 Waveform sequence trigger system
01/10/1989US4797572 Trigger re-synchronization circuit
01/10/1989CA1248649A1 Circuit for producing a video signal representing a measuring signal
01/10/1989CA1248600A2 Sine-wave generator
01/03/1989US4795972 Digital measuring method and apparatus for a quasi-analog measured value display
12/1988
12/27/1988US4794554 Electronic calculator having a graph display function
12/27/1988US4794383 Variable color digital multimeter
12/14/1988EP0294816A2 Voltage detecting device
12/13/1988US4791589 Processing circuit for capturing event in digital camera system
12/13/1988US4791433 Line scan graphic recorder and method for intensity control via medium velocity assessment
12/13/1988US4791404 Predictive time base control circuit for a waveform system
12/13/1988US4791337 Lighting method for vacuum fluorescent display with reduced flickering
12/07/1988EP0294162A2 Digital video probe
12/06/1988US4789950 Pre-interpolation adaptive filter
12/06/1988US4789824 Digital measuring instrument for displaying a measured value that varies over time
12/06/1988US4789794 Time domain reflectometer
11/1988
11/30/1988EP0292515A1 A high speed sampling apparatus and method for calibrating the same.
11/29/1988US4788539 Digital display device
11/17/1988WO1988008986A1 Analog recording and integration of electric signals
11/17/1988EP0291301A2 A user interface for a logic analyser
11/16/1988CN87211122U Ac count locomotive signal analog inductor
11/15/1988US4785415 Digital data buffer and variable shift register
11/15/1988US4785236 Device for measuring voltage by scanning
11/15/1988CA1244976A1 Signal controlled waveform recorder
11/09/1988EP0290276A2 Digital waveforms display
11/09/1988CN87101030A Measuring system for ultra-fast changed electric field
10/1988
10/26/1988EP0288132A2 System for digitizing the trajectory of a target point of a moving beam
10/26/1988EP0287837A1 Positioning cursors at specific points on a waveform display
10/25/1988US4780712 Polar coordinate display device employing raster scan scheme
10/19/1988EP0286671A1 Time domain reflectometer
10/18/1988US4779045 Automatic peak-to-peak amplitude measurement system
10/18/1988US4779044 Voltage, current and frequency measuring of non-standard waveforms
10/18/1988US4779028 Digital storage oscilloscope with marker for trigger location
10/18/1988CA1243404A1 High speed data acquisition utilizing multiplex charge transfer device
10/12/1988CN87102521A Automatic calibrating type weak-current meter
10/11/1988US4777362 Particle trigger and delay generation system
10/05/1988EP0285238A1 Digital bandpass oscilloscope
10/05/1988EP0284692A2 Oscilloscope with waveform selection by touch-screen
10/04/1988CA1242820A1 Process for the display of time-variable physical quantities and system making it possible to perform this process
09/1988
09/28/1988EP0284078A1 Locking scales for waveform displays
09/28/1988EP0283996A2 Cursor interface for waveform displays
09/28/1988EP0283995A2 Touch controlled zoom of waveform displays
09/28/1988EP0283804A1 Waveform measuring apparatus with marker zone displaying function
09/27/1988US4774438 Oscilloscope trace attribute control system
09/14/1988EP0281795A1 Method for scanning a time-dependent electrical signal, and device for carrying out and applying said method
09/13/1988US4771193 Synchronizing circuit
09/13/1988US4770483 Electrooptic sampling apparatus for sampling electrical and optical signals
08/1988
08/24/1988EP0279480A2 Trigger arrangement
08/23/1988US4766425 Waveform selection by touch
08/23/1988CA1241060A1 Electronic probe having automatic readout of identification and status
08/17/1988EP0278637A2 Automatic peak-to-peak amplitude measurement system
08/17/1988EP0278163A2 Signal viewing instrumentation control system
08/17/1988CN87211806U Electrostatic oscilliscope galvanometer
08/16/1988US4764721 Locking scales to waveform displays
08/10/1988EP0277702A1 Oscilloscope triggering control circuit
08/09/1988US4763117 Measurement instruments with multiple operation levels
08/09/1988US4763105 Interleaved digitizer array with calibrated sample timing
08/09/1988US4763067 Oscilloscope having a displayed trigger indicator
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