Matches 51 - 100 out of 449 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
5610343 Balance with one or several wire strain gauge weighing cells  
It is suggested for a balance with one or several weighing cells (1-4, 31) with a total of at least eight wire strain gauges (D 1 -D 4 , S 1 -S 4 ), four of which (D 1 -D 4 ) are expanded under...
5585603 Method and system for weighing objects using X-rays  
A method and system for weighing an object as it is carried on a conveyor past an x-ray source. X-rays from the x-ray source pass through the object, are attenuated in proportion to the mass of the...
5574261 Circuit for precisely measuring the load of cooking food in microwave oven  
The invention discloses a circuit for precisely measuring the weight of the cooking food in a microwave oven. The circuit is capable of reducing the variation of the weight-voltage converted value...
5550537 Apparatus and method for measuring mass flow rate of a moving medium  
A mass flow meter is provided for measuring the mass flow rate of a material moving along a flow path. The mass flow meter generates a field of electromagnetic energy through which a material...
5456119 Sensing element for vehicle load measuring device  
A sensing element in a load measuring device includes two cylindrical holders, each having a hole along the central axis; and a plate-shaped member provided between the two cylindrical holders, the...
5435195 Planar single-piece measuring string with two nodes for the measurement of linear displacements or forces  
A planar single-piece measuring string which is designed to oscillate transversely to the plane defining its rest position has two attachment tabs, a resonating string section, two coupling...
5393939 Apparatus and method for weighing moving objects  
Apparatus and method for measuring the weight of an object such as a letter, magazine or parcel, while the object is in motion, without using a weighing scale. The apparatus and method disclosed...
5369254 Food weight detecting device for a microwave oven  
A food weight detecting device for a microwave oven which can detect food weight exactly according to the speed variation of the rotating roller rolling on a base plate having a protrusion formed...
5270563 Method and mechanism for sensing copy sheet weight  
A reproduction apparatus having a logic and control unit (LCU) and selectable copy sheet supply units includes a mechanism for determining the sheet weight of copy sheets to be handled therein. The...
5260520 Apparatus for weighing and identifying characteristics of a moving vehicle  
Apparatus for weighing a vehicle in motion is provided by employing a plurality of elongated fiber-optic sensors defined by an optical fiber embedded in an encasement of elastomeric material and...
5254992 Low power electronic measuring system  
A microprocessor (8) controlled power-saving electronic measuring system is disclosed. A load cell (1) generates an output signal indicative of the magnitude of the load applied to the cell (1). A...
5243146 Electromagnetic-type load weighing apparatus  
A load weighing apparatus for weighing a weight of a load on a vehicle comprises an intervening element provided between a body frame and a suspension for transmitting the weight of the load to the...
5222399 Load washer  
A load washer comprising a pair of thin metal washers between which a contact sensor is positioned. The contact sensor includes pairs of confronting electrodes at a plurality of spaced zones with a...
5197557 Electronic weighing scale  
An electronic weighing scale, comprising a an induction board supported on a base board by columns, a load board supported on said induction board by columns for bearing any object to be measured,...
5141065 Weight activated platform scale  
A pulse count scale includes a change of state detector circuit and an alert circuit which operate together with an electrical interrupter to detect when weight is applied on a scale platform and...
5138178 Photoelectric paper basis weight sensor  
A non-contact, transmissive energy sensor is utilized for determining the thickness of paper sheets in a feed path. The sensor includes an energy emitting source and an energy detector, the output...
5127643 Automatic copy sheet selection device  
An automatic copy paper selecting device that chooses the proper type of copy sheet based on the paper weight of the sheets of the original document without the necessity of utilizing coded control...
5099118 Dual sensor scanner for measuring weight of paper and related sheet products  
A dual sensor scanner includes an optical sensor and a nuclear sensor such as a beta gauge for sensing the basis weight or other parameters of paper as it is being produced by a paper making...
5092988 System for monitoring injection water quality using filtration, pressure regulation and mass measuring  
An apparatus for testing water quality for subsurface injection that provides for samples of infinite volume to be passed over a membrane filter at a constant pressure. The apparatus uses a...
5004059 Stress wave load cell  
A stress wave load cell comprises a propagation member to which is acoustically coupled a transmitting transducer and a receiving transducer. Electrical pulses are supplied to the transducer form a...
5000275 Low power consumption controller for weight sensing article input and removal monitoring system  
A low power consumption controller for weight based article input and removal monitoring apparatus comprises a continuously active weight monitoring section responsive to the weight sensor...
4974679 Load cell  
This invention relates to load cells having integral load measurement and measurement data output means. Load cells have previously comprised a load support member and a force detection element and...
4969529 Vehicle on-board transducer for use with dual axle equalizer hanger systems  
An on-board system for measuring vehicle loads on dual axles with a suspension system having a front hanger, a rear hanger, an equalizer and an equalizer hanger. Attached to the equalizer, in one...
4917197 Weighing system for vehicles  
A weighing system for a vehicle having a spring supportive frame which moves relative to the axles of the vehicle in response to changes in load weight on the vehicle. The weighing system includes...
4891755 System for detecting removal of items from a hotel minibar and for the automatic charging of the bill of the gas for item removed from the minibar  
The invention relates to minibars located in hotel rooms, and more specifically to such minibars provided with means for ascertaining whether any item has been removed, its nature and its price,...
4883200 Thermoplastic melting apparatus with a level indicator  
A thermoplastic melting apparatus comprises a tank pivotally mounted upon bearings within the interior of a housing having a top cover. An electrical or mechanical level indicator device is mounted...
4878552 Shielding means for use with electromagnetic balance  
For use with weighting apparatus of the electromagnetic-load-compensation type, where a stirring or other magnet creating an external magnetic field is disposed near such apparatus, a protective...
4856605 Nonsystem-connected electronic balance  
Solar cells (5) for the supply of electric energy are located in an electronic balance in a manner suitable for the requirements of the balance and storage means for storing the electric current...
4763740 Load cell  
A load cell comprises a block with a recess in an upper rectangular surface thereof. A plate overlies the upper surface and is parallel thereto and spaced therefrom by a spacer interconnecting the...
4763739 Energy efficient scale  
An energy efficient scale using a load cell for weight detection and a power supply for powering the load cell at one or another of three different current levels. The highest current level...
4715458 Beam balance with unequal arms and didder device  
The sensitivity of a balance beam having unequal arms used to detect and measure phenomenon which exert low energy mechanical forces includes a U-shaped beam area having a horizontal slot therein...
4701660 Piezoelectric transducer for low forces  
The invention relates to a force transducer with at least 100 pC/N sensitivity. The piezo elements of this force transducer are connected rigidly to the force introducing elements, and therefore...
4691793 Apparatus for detecting amount of liquid nitrogen  
An apparatus for detecting an amount of liquid nitrogen, has a table for supporting a Dewar vessel in which liquid nitrogen used for cooling a semiconductor radio detector is contained. A motion...
4683967 Weight measuring device  
A weight measuring device for a heating appliance includes a heating chamber holding an object to be heated therein, the heating chamber having a bottom plate, a turntable member upon which the an...
4662463 Prestressed single load cell weighing systems  
A system for measuring weight of objects using a single load cell means which comprises a pair of structural means having at least four sides and four corners, with pairs of opposed sides being...
4623029 Weighing system for vehicles with temperature and inclinometer correction  
A weighing system is provided which measures the weight of a vehicle such as a trailer or a tractor-trailer. A pair of ultrasonic transducers and reflectors are mounted on each axle in enclosed...
4619337 Electric balance with scale on top  
In order to reduce the coupling-in of high-frequency electromagnetic interference into the measuring system of electric balances with scale on top and with a metallic balance scale and a metallic...
4611674 Analog weighing system with digital processing via a single A/D converter  
A weighing system, including a plurality of conveyer-type continuous weighing machines each having an analog weighing unit and a digital measurement processing unit, and a single common...
4597459 Weight detecting type sensor  
A weight detecting type sensor comprising a roller capable of partly jutting out upwardly from the surface of a body conveying belt, a strut rotatably supporting the roller and having a...
4586576 Measuring system  
A measuring system using the magnetic scale and a sensing head measures a deformation of a deformable member and/or one or more physical quantities, e.g. a strain and internal stress of, or an...
4580644 Load cell type weight measuring device and a sensitivity checking method thereof  
A load cell type weight measuring device includes a load cell which produces an output voltage corresponding to the weight applied thereto, an amplifier circuit for amplifying the output voltage of...
4561511 Torsion load cell  
An electronic scale used for weighing an object or material. The scale includes a platform arranged to move upon receipt of a material thereon. The device further includes frame means, a variable...
4560016 Method and apparatus for measuring the weight of a vehicle while the vehicle is in motion  
The present invention relates to an inexpensive, portable, and accurate method and apparatus for calculating the weight of a vehicle while it is in motion. The apparatus to which the present...
4512431 Weight sensing apparatus employing polymeric piezoelectric film  
Weight sensing apparatus, typically a personal scale, employs a thin film of piezoelectric polymeric material as the transducing component for converting mechanical pressure in the form of applied...
4449210 Fiber optic hydrophone transducers  
Apparatus is provided including a light source, a transducer and a detector, which is capable of detecting applied acoustic signals. The transducer employs first and second ridged members which...
4363408 Weighing and grading samples in order to grade large batches of fruit  
Method and apparatus for grading large batches of fruit by sampling technique. A sample, drawn from a batch, is divided into two approximately equal portions, one portion being inspected without...
4363370 Accurate weight measurement using digital to analog converter means and analog to digital converter means  
Electronic scale apparatus includes a face transducer having a first analog output; digital to analog converter circuitry having a second output; a first differential amplifier to receive such...
4344494 Measuring system having a balance with digital display having digit appearance modifying circuit  
A balance is provided with a digital readout, a display device and transfer device for transferring measured values to the display device at a selected frequency. The frequency can be varied. An...
4336854 Weighing system  
A weighing device using an electromagnet to attract a load bearing member where the balancing force is sensed using a Hall effect device to sense the force of the magnetic field. Means are provided...
4329881 Extremely sensitive force detector  
A device having a movable element which floats in a force field. Such placement allowing a minimum of friction. Such element is so placed that it can continuously interrupt and vary an energy...
Matches 51 - 100 out of 449 < 1 2 3 4 5 6 7 8 9 >