Patents for G01D 3 - Measuring arrangements with provision for the special purposes referred to in the subgroups of this group (6,287)
08/1979
08/07/1979CA1059789A1 Fluid flow signal processing circuit
07/1979
07/24/1979US4162491 Inductive position sensor with minimum output signal level capacitively coupled to indicate failure of device
06/1979
06/26/1979US4158918 Anti-shock device for dial measuring instruments
05/1979
05/15/1979US4155004 Photoelectric transducing unit and system for detecting the sharpness of the image of object by means of the unit -and- a focusing arrangement
05/15/1979US4154102 Continuous integrator control linkage
05/15/1979US4153997 Shock absorbing device for use in dial measuring instruments
05/08/1979CA1053924A1 Calibrating a measurement system including bridge circuit
04/1979
04/24/1979US4151522 Count discriminating fire detection system
04/03/1979US4147989 Non-linear direct-current amplifier for measuring purposes
03/1979
03/20/1979US4144756 Electromagnetic measurement of quantities in connection with electrically conducting liquid material
03/06/1979CA1050172A1 Electret sensing medium having plural sensing units
02/1979
02/27/1979US4142149 Control meter usable as a potentiometric or photoelectric device
02/27/1979US4141247 Optical warning indicator means on bimetal measuring element
02/13/1979US4139069 Digital weighing method
02/06/1979US4137764 Vortex advisory system
12/1978
12/12/1978CA1044326A1 Measurement system including bridge circuit
12/05/1978US4128010 Temperature compensated permanent magnet/moving coil accelerometer
11/1978
11/14/1978US4125789 Biasing and scaling circuit for transducers
10/1978
10/24/1978US4121461 Electronic temperature sensor
09/1978
09/19/1978US4114448 Servicing apparatus
09/12/1978US4113385 Transient suppressor network for spectrophotometers and the like
09/05/1978US4111042 Combined pressure and temperature correction apparatus for gas meters
08/1978
08/29/1978US4110746 A-D converter having nonlinear characteristics
08/22/1978US4108007 Manometers with measurement range multiplication
08/15/1978CA1036685A1 Outage indicating apparatus for meter telemetry systems including data recorders
08/08/1978US4106029 Device for recording measuring values
08/01/1978US4104590 Digital device for measuring instantaneous parameter values of slowly varying processes
08/01/1978US4103541 Method of and a device for measuring a relaxation phenomenon
07/1978
07/11/1978USRE29700 Voltage-current converter
06/1978
06/20/1978US4096575 Delay time compensation incorporating two sensing devices
06/20/1978US4095553 Speedometer with an exceeding speed warning device
06/06/1978US4093954 Motion recorder indicator
05/1978
05/30/1978US4091992 Pneumatic pressure transmitter responsive to temperature and humidity
05/23/1978US4091389 Self-balancing recorder
04/1978
04/18/1978US4085334 Electronic system for process instrumentation and control
04/11/1978US4084248 Method and apparatus for error correction
03/1978
03/28/1978US4081696 Current squaring circuit
03/21/1978US4080658 System for maintaining below range synchronization in error correcting apparatus
03/21/1978US4080074 Automatic zeroing circuit to compensate for dark currents or the like
03/14/1978US4078751 Vibration-eliminating support for indicating instrument
02/1978
02/14/1978US4074259 Process for analog/digital conversion
01/1978
01/10/1978US4068138 Signal converter
12/1977
12/20/1977US4064396 Dynamic linearization system for a radiation gauge
12/13/1977US4063212 Side scan sonar system
12/13/1977US4062648 Plotter with adaptive velocity means for improving plotted line quality
12/06/1977US4061033 Temperature function integrator
12/06/1977US4061030 Method and device for correcting the output signal from a digital transducer for measuring a physical magnitude or variable
11/1977
11/29/1977US4060771 Method and circuit arrangement for conditioning direct current signals in electric measurand transmitters, particularly electromechanical precision and fine balances
11/22/1977US4059017 Detecting apparatus with excess pressure protectors
11/08/1977US4057258 Measuring arrangement
09/1977
09/20/1977US4049960 Focusing arrangement
09/13/1977US4047305 Link mechanism of a mechanical transducer, especially of a toothed amplifying gauge
08/1977
08/30/1977US4045658 Digitized linearizing correction apparatus with frequency modulation
08/09/1977US4041382 Calibrating a measurement system including bridge circuit
08/02/1977US4040063 Recording device for plotting the curve of at least one measured quantity
08/02/1977US4040062 Recording instrument
07/1977
07/12/1977US4035734 Noise suppression in measuring signals
06/1977
06/28/1977US4032856 Drift compensated amplifier, particularly for measuring signals
06/21/1977US4031504 Gain ranging amplifier system
05/1977
05/31/1977US4026159 Fluidic angular rate sensor null error compensation
05/24/1977US4025847 Measurement system including bridge circuit
05/24/1977US4025797 Apparatus for detecting the movement of one or more objects
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
03/1977
03/29/1977US4015270 Shock proof event recorder
01/1977
01/18/1977US4004247 Voltage-current converter
01/04/1977US4000652 Method and device for measuring the correction factor
01/04/1977US4000643 Apparatus for producing a compensating voltage
12/1976
12/28/1976US4000454 Linearization apparatus for a non-linear resistance transducer in a self-balancing bridge connection
12/28/1976US3999436 Device for compensating for expansions and the thermo-elastic coefficient of an aneroid capsule
12/14/1976US3996794 Differential depth indicator
11/1976
11/30/1976US3994588 Detection of angular deflection
11/02/1976US3989382 Platelet aggregation monitoring device
10/1976
10/26/1976US3987688 Adjustable control cam
09/1976
09/28/1976US3982434 Fluid flow signal processing circuit
09/07/1976US3979745 System and method for linearizing analog measurements during analog-to-digital conversion
09/07/1976US3978727 Method and device for correcting the output signal from a digital transducer for measuring a physical magnitude or variable
08/1976
08/03/1976US3973147 Temperature measuring circuit
07/1976
07/27/1976US3971250 Electret sensing medium having plural sensing units
07/20/1976US3970931 Method of indicating and/or recording electrical quantities and indicating respectively recording apparatus embodying said method
06/1976
06/29/1976US3967188 Temperature compensation circuit for sensor of physical variables such as temperature and pressure
06/29/1976US3965744 Equipment for compensating for sensor variations
06/22/1976US3964302 Vehicle monitoring system
06/01/1976US3960593 Method of increasing the long-term stability of a measuring element of textile testers
06/01/1976US3960497 Chemical analyzer with automatic calibration
04/1976
04/27/1976US3952595 Temperature correcting circuit
04/13/1976US3949599 Method of quantitave analysis
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