Patents
Patents for G01R 13 - Arrangements for displaying electric variables or waveforms (5,418)
05/1985
05/07/1985CA1186781A1 Method of controlling a set point
04/1985
04/30/1985US4514022 Probe cable assemblies
04/24/1985EP0138399A1 Dynamic off-screen crt beam blanking circuit
04/23/1985US4513382 Electric utility automated distribution apparatus with improved data display
04/16/1985CA1185651A1 Ground isolation monitoring apparatus having a protective circuit
04/09/1985US4510571 Waveform storage and display system
04/09/1985US4510482 Protective circuit for electronic test probes
04/09/1985US4510444 Digital measuring device with liquid-crystal picture screen
03/1985
03/26/1985US4507740 Programmable signal analyzer
03/26/1985US4507618 Compensation method and apparatus for an RC attenuator
03/26/1985US4506955 Display apparatus
03/19/1985US4505551 Illumination and light gate utilization methods and apparatus
02/1985
02/12/1985US4499386 Trigger circuit
02/05/1985US4498046 Room temperature cryogenic test interface
02/05/1985US4497211 Circuit for generating sawtooth shaped pulses for ultrasonic instruments
01/1985
01/30/1985EP0132328A1 Probe cable assemblies
01/22/1985US4495642 Timing analyzer with combination transition and duration trigger
01/22/1985US4495621 Glitch detecting and measuring apparatus
01/22/1985US4495586 Waveform acquisition apparatus and method
01/22/1985US4495459 Surge arrester discharge counting apparatus
01/22/1985US4495458 Termination for high impedance attenuator
01/16/1985EP0131521A1 Signal analysis and restitution method and system making use of sampling and interpolation
01/09/1985EP0130717A1 Apparatus for displaying the phase and amplitude of a chrominance signal
01/09/1985EP0130428A1 Disturbances detecting and recording system
01/08/1985US4493044 Apparatus and a method of establishing the correct display order of probe channels for a logic analyzer
01/08/1985US4492917 Display device for displaying audio signal levels and characters
01/02/1985EP0129662A2 Light-strip indicator device
12/1984
12/25/1984US4490806 High repetition rate transient recorder with automatic integration
12/18/1984USRE31773 Cathode ray tube system with strip chart recorder display format
12/11/1984US4488168 Vector scope
12/05/1984EP0127347A2 Wide bandwidth signal coupling circuit having a variable DC voltage-level shift from input to output
11/1984
11/28/1984EP0126678A1 Control and visualisation device for a Vernier remote control panel
11/21/1984EP0125883A2 Signal controlled waveform recorder
11/21/1984EP0125372A1 Apparatus for displaying waveforms
11/20/1984US4484290 Line disturbance monitor
11/20/1984US4484111 Signal amplifier for a signal recording device with magnetic deflection
11/20/1984US4483347 Method and apparatus for displaying electrocardiographic signals
11/14/1984EP0125006A1 Apparatus for measuring the electric potential of an electrostatic field
11/13/1984US4483002 Digital device testing apparatus and method
11/06/1984US4481647 Method and apparatus of compensating for variations in signal propagation time existing within the channels of a multi-channel device
10/1984
10/31/1984EP0123381A1 Logic waveform display apparatus
10/31/1984EP0123118A1 Measurement instruments with multiple operation levels
10/31/1984EP0123082A1 Logic timing diagram display apparatus
10/30/1984US4480221 Level meter circuit
10/23/1984US4478495 Light gate assemblies, elements and manufacturing methods
10/16/1984US4477803 Apparatus for displaying an analog wave
10/11/1984WO1984003944A1 Numerical value measuring instrument using oscilloscope device
10/09/1984US4476432 Waveform measurement system
10/03/1984EP0120683A1 Control system employing a rotary knob
10/03/1984EP0120569A1 Digital signal sampling system with two unrelated sampling timebases
10/03/1984EP0120196A1 Circuit arrangement for the optical display of variables
10/02/1984US4475237 Programmable range recognizer for a logic analyzer
09/1984
09/25/1984US4473857 Input protection circuit for electronic instrument
09/12/1984EP0118047A1 Multiplexed display interference compensator
09/11/1984USRE31668 Load survey recorder for measuring electrical parameters
09/11/1984US4471300 LDC Hook-on digital ammeter
09/11/1984US4471265 Apparatus for counteracting the cathode current increase occurring during warming-up in a travelling-wave tube in response to variation in the grid-cathode distance
09/11/1984CA1174388A1 Dual trace electro-optic display
08/1984
08/28/1984US4468661 Matrix excitation circuit for an oscilloscope display screen comprising a liquid crystal
08/28/1984CA1173492A1 Gapless discharge counter for lightning arresters
08/21/1984US4467324 Apparatus and method for printing annotated electrocardial data
08/21/1984US4467323 Engine analyzer with simulated analog meter display
08/21/1984US4467278 Microwave oven leak detector
08/15/1984EP0115896A1 Optical indicator device
08/07/1984US4464656 Waveform display apparatus
08/07/1984CA1172361A1 Logic analyzer for a multiplexed digital bus
08/07/1984CA1172360A1 Multi-speed logic analyzer
07/1984
07/31/1984US4463355 In a system for calculating and displaying a parameter
07/31/1984CA1171923A1 Linear high gain sampling amplifier
07/18/1984EP0113463A1 Electrical device for detecting power delivered to a resistive load
07/11/1984EP0113275A2 Spectrum display device for audio signals
07/03/1984CA1170035A1 Optical mask
06/1984
06/27/1984EP0112088A1 Method for using a charge coupled device as a peak detector
06/26/1984CA1169961A1 Apparatus for storing signals
06/20/1984EP0111396A1 Programmable trigger coupling circuit
06/20/1984EP0110981A1 High repetition rate transient recorder with automatic integration
06/19/1984USRE31606 Digital ohmmeter with electrical continuity tester
06/19/1984US4455613 Technique of reconstructing and displaying an analog waveform from a small number of magnitude samples
06/19/1984EP0042377A4 Method and apparatus for producing optical displays.
06/13/1984EP0110601A1 Trigger circuit
06/12/1984CA1169153A1 Programmable signal analyzer
06/05/1984EP0087438A4 Signal sampling and conversion system.
05/1984
05/30/1984EP0109788A1 Control circuit for a delayed sweep oscilloscope
05/29/1984CA1168329A1 Meter to printer coupling circuit
05/23/1984EP0108806A1 Electron-optical wide band signal measurement system
05/22/1984US4450440 Construction of an epid bar graph
05/22/1984CA1167925A1 Calibration apparatus for analog-to-digital converter
05/16/1984EP0108340A1 Time base system for an oscilloscope
05/15/1984US4449200 Line segment video display apparatus
05/08/1984CA1167186A1 Dynamic data display system, as for use with eeg
05/01/1984US4446425 Measurement of electrical signals with picosecond resolution
04/1984
04/25/1984EP0106196A1 Electronic test apparatus with ambient-cryogenic temperature interface
04/25/1984EP0106029A1 Method and apparatus for measuring the amplitude of a noise-affected periodic signal without phase reference
04/17/1984US4443862 Ultrasonic signal apparatus with multiplexer for selectively loading video line segments into a parallel-partitioned image store
04/17/1984US4443758 Meter to printer coupling circuit
04/04/1984EP0104998A2 Quasi-asynchronous sampling method and system
03/1984
03/28/1984EP0103670A1 High resolution superconductive sampling circuit
03/20/1984US4438498 Power supply output monitoring method and apparatus
03/20/1984US4438404 Signal sampling system
03/20/1984US4438396 Low cost volt/ampere meter with liquid crystal display
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