Matches 1 - 50 out of 74 1 2 >


Match Document Document Title
7694589 Low and empty product detection using load cell and load cell bracket  
A system and method detect when a product container from which a product is dispensed is empty or nearly empty, and provides a notification of the product status. The system includes a load cell...
7472610 Apparatus, system, and method for differential pressure measurement across a conduit flow area change  
An apparatus, system, and method are disclosed for differential pressure measurement across a fluid conduit flow area change. The apparatus may include a particulate filter, a differential pressure...
7337681 Hybrid sensor including electrostatic capacitance sensor  
A hybrid sensor is formed by stacking a plurality of flexible sheets each provided with electrode patterns. The hybrid sensor includes a contact pressure sensor which has switches turning on or off...
7217891 Capacitive sensing apparatus for a vehicle seat  
A capacitive sensing apparatus for a vehicle seat includes a deflectable dielectric mat and a flexible printed circuit that wraps around the major surfaces of the dielectric mat to define upper and...
6829953 Capacitive sensor  
A capacitive sensor includes a fixed board provided with a fixed electrode unit consisting of one or more electrodes, a movable member provided with a movable electrode unit consisting of one or...
6823747 Capacitive sensor  
A capacitive sensor includes a retaining member, an intermediate member retained by the retaining member such that the intermediate member can rotate around a first axis, a movable member retained...
6234031 Fingerprint detection apparatus  
Providing a fingerprint detection apparatus which is small in size, low in cost and high in reliability. The fingerprint detection apparatus includes a shape transfer unit having a contact face for...
5598356 Displacement converting device and method for measuring pressure differences using same  
A displacement converter in which a pressure difference is determined by detecting capacitances C1 and C2 between fixed electrodes 3,4 and a diaphragm 1, which receives pressure differences on both...
5287748 Method and apparatus for changing the sensitivity of a transducer  
A method of changing the sensitivity of a transducer includes applying to the transducer a cyclic excitation signal. The excitation signal has a number of recurring phases of different amplitudes....
5150759 Capacitor-sensor  
An improved capacitor-sensor formed between two rigid, closely-spaced and facing, first and second plates, each with a facing and nonfacing surface and with specific facing electrode patterns on...
5033314 Force and moment sensor  
The force and moment sensor of the present invention has first and second load paths for transferring forces and moments from an input member to the output member. The first and second path forming...
4991448 Function checking system for magnetic tape cassette  
A tape cassette has a reel provided with a flange the outer periphery of which is toothed so that top lands and bottom lands are alternately formed. A brake mechanism includes a brake lever which...
4981187 Load cell weighing apparatus  
A load cell weighing apparatus comprising a load cell for generating an output voltage corresponding to load weight, an amplifier section for amplifying the output voltage of the load cell, an...
4928764 Wireline tool cable head overload apparatus  
A logging tool cable head for supporting the sonde on a cable is disclosed. It has an upper end which affixes to the cable and a lower end affixed to the sonde. The lower end supports an inwardly...
4884223 Dynamic force measurement system  
A dynamic force measurement system for taking a series of force measurements of a force applied against a sensor device whereby to determine, record, display and store the sequence of force...
4738146 Piezoresistive force-measuring element and its use for determining forces acting on a component  
A piezoresistive force-measuring element comprises at least two force-introduction plates with an electrical conductor subjected to plastic deformation arranged between them. The force-introduction...
4706507 Torque measuring device having dual range load cells  
A torque measuring device having dual range load cells is provided featuring high accuracy over a large range of torque measurements. A pair of load cell assemblies act on the torque arm of a...
4641661 Electronic algesimeter  
An electronic algesimeter adapted to determine by cutaneous sensation the threshold of pain experienced by a patient at any skin site on the body. The instrument includes a hand-held,...
4586388 Three force balanced mechanism  
In a three force balanced mechanism comprising a floating pivot, an input force transmitting member, a feedback force transmitting member, one end of the input force transmitting member and one end...
4573542 Load-weighing apparatus for an elevator car  
The load-weighing apparatus faultlessly detects even smallest load variations in the lower load range. For this purpose wire strain gauges are mounted at structural parts or components of the...
4566340 Force transducer  
A force transducer angularly adjustable about an axis for producing an output signal proportional to the magnitude of an input force. A signal output member, cantilevered from a base through a...
4553880 Hydra-pneumatic load sensor and signal system  
The present invention comprises a hydra-pneumatic load sensor and signal system including two stacked bellows, one filled with liquid, the other with a pressurized gas. Load on the sensor is...
4517848 Apparatus for measuring forces  
An apparatus for measuring forces comprises a coil spring within a body; a movable part within the body, the movable part being subjected to the action of the force to be measured and being in...
4501160 Force transducer  
A transducer adapted for load cell applications comprises a base having a load receiving member connected thereto by at least one and preferably two flexure springs to permit the member to flex...
4491027 Wide-range load cell  
A wide-range load cell is installed within a press in line with the work load. The load cell measures the actual force applied to the load irrespective of any friction, binding or drag in the press...
4487079 Dual range force transducer  
A force transducer producing two output signals having different proportionalities to the magnitude of a force applied to a force receiving platform cantilevered from a base through a C-shaped...
4466296 Force transducer range adjuster  
A force transducer for producing an output signal proportional to the magnitude of an input force having a force receiving base cantilevered from a fixed base through a leaf spring flexure assembly...
4395920 Digital stylus force gauge  
A device for measuring small units of force or weight, such as the tracking force of a phonograph cartridge, includes an elastic flexure member having an electric contact for engagement with an...
4389646 Displacement converting circuit arrangement  
A displacement converting circuit arrangement comprising first and second capacitors in the form of a paired structure, at least one of the capacitors having a capacitance which is varied in...
4375243 Wide range high accuracy weighing and counting scale  
An electronic scale is provided with two or more load cells in which the first load cell covers a low load range, and each successive cell covers a greater load range than the preceding cell. The...
4365519 Adjustable spring unit for use in force measuring apparatus  
A spring unit for use in force measuring apparatus, the unit being adapted to present an adjustable spring constant so as to be useful for measuring directional forces of widely different...
4307787 Electronic scales with two ranges  
In order to obtain, in an electronic balance, ranges which are in a predetermined ratio, for example 1:10, there is provided a measuring arm provided with strain gauges adapted to measure the...
4282762 Load sensing transducer  
A dual range transducer is disclosed for accurately measuring loads in both low ranges and high ranges. The transducer includes an annular member having strain gauges mounted on side regions for...
4241801 Apparatus to measure elongation due to bending under load  
In an apparatus comprising strain gauges mounted on a cantilever beam to measure elongation due to bending under load, the invention provides means in combination with said cantilever beam whereby...
4162632 Load cell  
Indicator means for indicating the magnitude of force applied to a load cell in accordance with the deflection of the free end of a cantilever member of the load cell having the force applied...
3842666 MECHANICAL FORCE GAUGE  
A mechanical force gauge for measuring opposed forces upon deformation of a fixed end beam. A wedge pin member is located along a neutral axis of at least one leaf member of the fixed end beam....
3782188 APPARATUS FOR MEASURING MUSCULAR CONTRACTIONS AND THE LIKE  
An apparatus is provided for measuring the displacement of an object which is acted upon by a force, e.g., to measure muscular contractions, or to measure thoracic motion during breathing, or to...
3765497 HYDRAULIC COMPRESSION LOAD CELL  
A hydraulic compression load cell which includes interchangeable internal parts of different sizes to impart differing mechanical advantages adapting the cell to different load ranges, together...
3686939 STYLUS TRACKING FORCE GAUGE  
The force gauge of this invention is adapted for use with the turntable of a phonograph. The gauge includes a base having a slotted end for receiving the spindle of the turntable. A balance beam is...
3534315 MATERIAL TESTING  
3520183 APPARATUS FOR MEASURING CHANGES IN DISPLACEMENT IN A BODY  
3519096 LOAD INDICATING MEANS  
3509763 FORCE BALANCES OF THE ELECTROMAGNETIC TYPE  
3492865 FORCE MEASURING INSTRUMENT  
3623360 PRESSURE TRANSDUCER  
3486373 LOAD MEASURING APPARATUS  
3484732 DUAL RANGE PRESSURE SENSOR  
3439541 MULTI-RANGE PRESSURE MEASURING DEVICE  
3427876 PRESSURE SENSING CELL AND SYSTEM  
3379058 Force gauge  
Matches 1 - 50 out of 74 1 2 >