Patents
Patents for G01R 17 - Measuring arrangements involving comparison with a reference value, e.g. bridge (1,558)
09/1977
09/20/1977US4050017 Sequence component tester
09/20/1977US4049960 Focusing arrangement
08/1977
08/16/1977US4042885 Zeroing circuit
08/09/1977US4041382 Calibrating a measurement system including bridge circuit
07/1977
07/12/1977US4035734 Noise suppression in measuring signals
06/1977
06/28/1977US4032856 Drift compensated amplifier, particularly for measuring signals
06/07/1977US4028689 Calorimetric flow monitor
06/07/1977US4028642 Circuit for converting a temperature dependent input signal to a temperature independent output signal
05/1977
05/24/1977US4025847 Measurement system including bridge circuit
05/10/1977US4023097 Noise and dielectric absorption compensation circuit
05/03/1977US4020699 Temperature stabilized fluidic angular rate sensor
04/1977
04/26/1977US4020480 Catalytic detecting apparatus for detecting combustible gases and vapors
04/19/1977US4019049 Photoelectric transducing unit and system for detecting the sharpness of the image of object by means of the unit
04/12/1977US4016721 Positioning device using negative spring-rate tensioning means
04/05/1977US4016408 Method and arrangement for supervising power supply systems
03/1977
03/15/1977US4012746 Apparatus for recording variable measurement quantities that can be translated into electrical current or voltage variations
02/1977
02/22/1977US4009414 Bar display with scale markers
02/22/1977US4008610 Self-balancing D.C.-substitution measuring system
02/01/1977US4006430 Circuit arrangement for converting a bridge unbalance into a frequency variation
02/01/1977US4006407 Non-destructive testing systems having automatic balance and sample and hold operational modes
01/1977
01/18/1977US4004206 Servoed indicating apparatus
01/04/1977US4001669 Compensating bridge circuit
12/1976
12/21/1976US3999124 Reference quantity and unknown quantity comparator
12/14/1976US3997888 Charge monitor for electric battery
11/1976
11/16/1976US3992668 Electro-thermal readout of coulometers
11/16/1976US3992665 Electrical impedance measuring apparatus
11/16/1976US3991748 Circuit arrangement for the processing of physiological measuring signals
11/02/1976US3989383 Reaction detection system
10/1976
10/05/1976US3984766 Digital apparatus for rapidly detecting the growth of and identifying micro-biological organisms
09/1976
09/21/1976US3982177 Soil sample conductivity measurement utilizing a bridge circuit and plural electrode cell
09/07/1976US3979682 Hysteresis compensator for control systems
09/07/1976US3979667 Electrical indicators
09/07/1976US3979600 Sense circuit arrangement
08/1976
08/31/1976US3977508 Device for recognizing a category of coins
07/1976
07/20/1976US3970931 Method of indicating and/or recording electrical quantities and indicating respectively recording apparatus embodying said method
07/06/1976US3968499 Apparatus for producing continuous graphic displays from intermittantly sampled data
07/06/1976US3968427 Group delay measurement apparatus and method
06/1976
06/29/1976US3967196 Method and apparatus for measuring the void content of a solid dielectric
06/29/1976US3965744 Equipment for compensating for sensor variations
06/22/1976US3965419 Cathode ray tube meters
06/22/1976US3964315 Apparatus including novel bridge circuit
06/01/1976US3961243 Inductive displacement transducer using a bridge circuit having a stable voltage phase in the diagonal of the bridge
06/01/1976US3960010 Analog-digital converter for a resistance bridge
05/1976
05/11/1976US3956682 Two-wire position-to-D.C. current transducer
03/1976
03/16/1976US3944859 Bridge-balance detection circuit
03/16/1976US3944370 Exposure time indication apparatus
03/02/1976US3942107 Method and apparatus employing thin conductive films on flexible nonconductive sheets for non-destructive measurement of electrical characteristics
03/02/1976US3940935 Positioning device using negative spring-rate tensioning means
02/1976
02/24/1976US3939770 Short range passive electromagnetic detector
02/17/1976US3939388 Self-balancing instrument
02/10/1976US3937062 Zeroing circuit
02/10/1976US3937061 Detector for a chromtograph
02/03/1976US3936840 Recording system using carbon-paper
02/03/1976US3936826 N Dimensional target designation vector
02/03/1976US3936720 Half-wave rectifier circuit
01/1976
01/20/1976US3934197 Automatic calibration system
01/20/1976US3934196 Servoed indicating apparatus
01/20/1976US3933046 Logarithmic resistance-to-frequency converter
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