Patents
Patents for G01D 5 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable (43,723)
03/1979
03/27/1979US4146834 Admittance measuring system for monitoring the condition of materials
03/27/1979US4146796 Apparatus for radiation source depth determination in a material
03/21/1979EP0001120A2 Fluid pressure indicator
03/20/1979US4145619 Two wire capacitance transmitter
03/20/1979US4145608 Rotational reference position detecting apparatus
03/20/1979US4144756 Electromagnetic measurement of quantities in connection with electrically conducting liquid material
03/13/1979US4144574 Multi-axis position determining system
03/13/1979US4144521 Signal generator for a fluid-level indicator
03/13/1979US4144519 Position sensing readout
03/13/1979US4143724 Electronic weighing apparatus
03/06/1979US4143268 Arrangement for measuring angles
03/06/1979US4143267 Digital distance measuring instrument
03/06/1979CA1050114A1 Admittance measuring system for monitoring the condition of materials
02/1979
02/27/1979US4142148 Remote transducer monitoring system
02/27/1979US4141247 Optical warning indicator means on bimetal measuring element
02/27/1979US4141148 Contour measuring apparatus
02/20/1979US4140998 High accuracy position indicator
02/20/1979CA1049109A1 Variable inductance transducers
02/20/1979CA1048809A1 Optical cigarette end inspection device
02/20/1979CA1048775A1 Cursor position device
02/13/1979US4139831 Control for electrical positioning drives
02/06/1979US4138253 Imaging patterns of uniformly pitched bars
01/1979
01/30/1979US4137451 Detecting circuit for a photocell pattern sensing assembly
01/30/1979US4136958 Encapsulated measuring apparatus
01/30/1979US4136568 Electro-optic space positioner
01/23/1979US4136345 Object deflection sensor
01/23/1979US4135412 Backlash compensator mechanism
01/16/1979US4135137 Magnetic position detectors
01/16/1979US4135118 System for determining the relative angular positions of the rotors of two synchronously driven synchronous motors
01/09/1979US4134106 Absolute resolver angle to digital converter circuit
01/09/1979US4134065 Transducer for directly converting mechanical displacement to phase information
01/09/1979US4134063 Apparatus for the time-dependent measurement of physical quantities
01/09/1979US4134026 Mechanical switch circuit comprising contact conditioning means
01/09/1979US4133209 Altimeter
01/02/1979US4132980 High-sensitivity inductive transducer for rectilinear or rotational displacement
01/02/1979US4132890 Self adjusting tachometer
12/1978
12/26/1978US4131838 Displacement amount detecting device
12/26/1978CA1045225A1 Conveyor belt position monitoring device
12/26/1978CA1045216A1 Automatic gain control for transducer circuit
12/19/1978US4130796 Calibrating and measuring circuit for a capacitive probe-type instrument
12/19/1978CA1044810A1 Position measurement apparatus
12/12/1978US4129833 Multivibrator
12/12/1978US4129189 Weight control system
12/12/1978US4129041 Method and apparatus for receiving ultrasonic waves by optical means
12/05/1978US4128006 Packaging of pressure sensor cells
12/05/1978CA1043879A1 Transducer having transformer with movable core
11/1978
11/28/1978US4127814 Detector for discriminating between two metals on a relatively moving member by being positioned at a distance where it senses one but not the other
11/28/1978US4127781 Scan mirror position determining system
11/28/1978US4127772 Moire optical transducer
11/21/1978US4126380 Probe with contact indicating means
11/21/1978US4126047 Surface acoustic wave rate sensor and position indicator
11/21/1978CA1043023A1 Transducer for a display-oriented pointing device
11/21/1978CA1043003A1 Depth sensing system for tillage implements
11/21/1978CA1043002A1 Depth indication system for tillage implements
11/14/1978US4125789 Biasing and scaling circuit for transducers
11/14/1978CA1042561A1 System for providing synchronization between audio recording tapes and with recording medium having visual or other information thereon
11/07/1978US4124839 Electro-optical method and system especially suited for remote meter reading
11/07/1978US4124814 Magnetic displacement transducer wherein two relatively movable gratings vary the magnetic field coupled to a Hall plate proportional to the displacement
10/1978
10/31/1978US4123750 Signal processor for position encoder
10/31/1978US4123735 Induction-type meter for measuring mechanical quantities
10/31/1978US4123729 Displacement transducer
10/31/1978US4122708 Capacitive proximity sensors
10/31/1978CA1041667A1 Signal processor for a shaft encoder
10/31/1978CA1041654A1 Multiplexer commutated high pass filter
10/31/1978CA1041630A1 Capacitive position transducer
10/24/1978US4122390 Apparatus for sensing and indicating the angular relationship between a towing and a towed vehicle
10/24/1978CA1040883A1 Open-loop differential-pressure transmitter
10/17/1978US4121185 Linear position sensor
10/17/1978US4121155 Position readout device
10/17/1978CA1040725A1 Rotational movement transducer output modifying circuit
10/10/1978US4119948 Remote meter reading system
10/10/1978US4119911 Magnetoresistor displacement sensor using a magnetoresistor positioned between relatively moving magnetized toothed members
10/10/1978US4118976 Switch device for detecting a position of a throttle valve of an internal combustion engine
10/10/1978CA1040268A1 Magnetic field sensing apparatus
10/03/1978US4118781 Valley sensor for an electrophoretic analyzer
10/03/1978US4117863 Control device for operation by the mouth of a handicapped person
10/03/1978CA1039826A1 Rotary position transducer assembly
09/1978
09/26/1978US4117539 Automatic inspection of machined parts
09/26/1978US4117496 Earthquake recording device
09/26/1978US4117460 Sensing device
09/26/1978US4117439 Transducer for measuring linear positions
09/26/1978US4117401 Position transducer, particularly to determine the instantaneous angular position of a rotating shaft, especially of an internal combustion engine
09/26/1978US4117320 Digital measuring instruments
09/26/1978US4116155 Indicator flag construction
09/26/1978US4115923 Electronic column gage
09/26/1978CA1039319A1 Indication apparatus with discrete illuminated projections
09/19/1978US4115831 Velocity detecting apparatus insensitive to noise
09/19/1978US4115766 Semiconductor apparatus for analog to digital conversion
09/19/1978US4115762 Alignment pattern detecting apparatus
09/19/1978US4115008 Displacement measuring apparatus
09/19/1978US4114960 Radial displacement detector device for a magnetic bearing
09/19/1978US4114558 Measuring instrument indicating mechanism
09/19/1978US4114435 Well drilling system
09/19/1978US4114428 Radio-frequency tuned-circuit microdisplacement transducer
09/19/1978CA1038978A1 Alarm and utility meter reading system employing telephone lines
09/12/1978US4114035 Position encoder employing charge transfer circuit
09/12/1978US4112762 Probe cover grip and release device
09/05/1978US4112434 Biorhythm chart drawing-up apparatus
09/05/1978US4112408 Device for producing an electrical pulse in response to passage of a magnetically conducting member through an air gap
09/05/1978US4112366 Electromagnetic displacement scanner using an E-shaped core oblique to the scan direction