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3685604 |
BALANCED MASS-MOMENT BALANCE BEAM WITH ELECTRICALLY CONDUCTIVE PIVOTS
A pivotally mounted balance beam is constructed and arranged to nullify its pendular characteristics by appropriately distributing and balancing the moments of the mass both parallel and...
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3684875 |
ANALOG-TO-DIGITAL MEASURING APPARATUS
In an electronic digital-reading balance, electronic circuitry is provided for automatically deducting tare weight from the weight of an object being weighed wherein a latch circuit stores the...
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3680650 |
WEIGHT SENSING DEVICE
A device for indicating the weight of an object is disclosed herein and includes a first circuit for producing an oscillatory excitation signal which is capacitively coupled to a second circuit for...
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3679010 |
DIGITALLY CONTROLLED MASS FLOW FEEDER AND WEIGHT INTEGRATOR
The speed of a conveyor belt is digitally controlled using a stepping or pulse motor drive for the belt so that belt speed corresponds to a preset mass flow value.
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3677357 |
ELECTROMAGNETIC LOAD COMPENSATED WEIGHING APPARATUS INCLUDING DAMPING
Weighing apparatus of the electromagnetic load compensation type including a vertically movable load suspension member, characterized by the provision of damping means for damping pendulum...
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3674102 |
PLATFORM BALANCE
A platform balance including a housing, a weighing platform vertically movable relative to said housing, and at least one force indicating lever pivotally movable in accordance with the mass to be...
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3674097 |
MOTION DETECTOR FOR WEIGHING APPARATUS
A detector for detecting the change in the number of pulses in serially applied pulse streams by memorizing a function representing the preceding one of the two pulse stream and by comparing the...
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3670833 |
METHOD FOR MEASURING A WEIGHING LOAD RAPIDLY
Where a weighing load is detected as an electrical weighing signal with an oscillatory component due to various oscillations of the weighing elements, the oscillatory component is separated from...
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3670318 |
LOAD CELL OUTPUT CIRCUIT
A load weighing system including an oscillator for supplying a signal to a load cell and at the same time supplying a like signal to a phase detector circuit. The output of the load cell is coupled...
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3662845 |
ELECTRICAL WEIGHING SYSTEM WITH ANALOG-TO-DIGITAL DUAL RAMP CONVERTER
An electrical system having an analog-to-digital dual ramp converter wherein an analog input signal to be converted into recurrent digital form is applied to the input of the converter's integrator...
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3662159 |
METHOD OF DIGITALLY COMPUTING THE SQUARE OF THE RATIO OF A VARIABLE MEASURING FREQUENCY TO A CONSTANT BASE FREQUENCY
A method of digitally computing the square of the ratio of a variable measuring frequency f x to a constant base frequency f xo using a constant reference frequency f o , especially in measuring...
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3659665 |
ELECTRICAL WEIGHING SYSTEMS WITH MULTIPLE INCREMENTAL READOUTS
A weighing apparatus and method wherein an electrical analog signal, having a level representative of the weight of a load, is converted into a digital pulse train by an analog-to-digital...
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3659664 |
WEIGHING APPARATUS
A weighing apparatus has a scale with code tracks which can be read by reng means. The scale is a tolerance scale and gives the possibility of achieving a predetermined or a selectable percentage...
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3656337 |
SCALE CALIBRATION CHECKING DEVICE
A pivoted scale beam type of weighing device senses the weight of articles traveling on a continuously moving conveyor belt. The conveyor belt is periodically displaced upwardly from the weighing...
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3655002 |
ELECTRONIC WEIGHING SYSTEM FOR BATCHING OPERATIONS
An electronic weighing system for batching operations which includes a load cell for weighing a principal container which receives a number of ingredients from individual ingredient sources. The...
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3648792 |
WEIGHING DEVICE
A weighing device for magnetically detecting the weight of an object. The device has a lever which turns to the angle where the turning force due to the weight of the object and the opposite...
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3648839 |
METHOD AND APPARATUS FOR DETECTING AND SEPARATING OUT OVERWEIGHT LETTERS
A method and apparatus for separating out overweight letters, wherein the letters are transported serially on their longitudinal edges at a controlled speed into a pinch roller pair driven by a...
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3648793 |
LOAD MEASURING SYSTEM
A load cell includes a magnetic circuit producing a constant magnetic field and a coil which is adapted to be suspended in such field and to which the mechanical force to be measured is applied....
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3643753 |
ELECTRICAL FILTERS FOR WEIGHING SYSTEM CIRCUITS
A weighing system comprising a transducer operatively connected to a load supporting structure for producing a DC analogue signal voltage having an amplitude which represents a weight condition of...
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3635298 |
FORCE FEEDBACK MASS BALANCE
Disclosed is a force feedback mass balance particularly constructed for the rapid measurement of the weight of small objects. It comprises a weighing pan mounted at the upper end of a vertical rod....
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3627069 |
WEIGHER WITH OPTICAL DETECTOR
In a computer weigher, an optical device is used to detect the position of balance of the weigher mechanism by measuring the rotary position of a drum connected to the weigher mechanism. On...
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3618685 |
TEMPERATURE COMPENSATED ELECTROBALANCE
An electrobalance device is provided which includes a beam pivotally mounted at a fulcrum point and further including means for suspending a buoyant body from the beam. The beam, fulcrum and...
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3612198 |
ELECTRICAL MASS METER
A mass meter comprising a baseplate, a weighing platform and two electronically excited, transversely vibratable pretensioned strings, wherein the first string is tensioned by a pretensioning mass...
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3610342 |
LOAD WEIGHING APPARATUS FOR ELEVATORS
A load weighing apparatus including a hoist motor having a drive shaft for driving an elevator car having a variable load, a plurality of hoist ropes supported by the drive shaft and connected to a...
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3604525 |
AUTOMATIC TOP-LOADING WEIGH APPARATUS WITH ELECTRONIC MEASURING AND RECORDING CIRCUIT
A top-loading weigh apparatus has a stabilized balance beam mechanism with the load being vertically applied through a horizontal balance arm on a pair of spaced pivots, and a differential...
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3604524 |
ELECTRICAL WEIGHING APPARATUS OF THE POTENTIOMETRIC BALANCE TYPE
A weighing apparatus of the potentiometric balance type comprising a weighing container, one or more electrical transducers arranged beneath the container, a self-balancing potentiometer for...
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3595329 |
WEIGHING APPARATUS WITH OSCILLATION-COMPARISON ELECTRICAL TRANSDUCER
An arrangement for determining the weight of an object relative to a predetermined reference weight. A compliant system is vibrated along a predetermined axis substantially at the mechanical...
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3595331 |
ELECTRONIC BALANCE
A balance beam adapted to carry a load is mounted on a balance beam support for pivotal deflection on a balance beam aXis from a no-load position in response to said load. Inductive indicating and...
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3592278 |
VEHICLE WEIGHT CLASSIFIER WITH LOAD LIMIT MEANS
Our invention relates to a weigh rail having a crown, a web and a flange portion and an elongated slot extending transversely through the web portion between the crown and flange portions. A...
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3590932 |
LIGHT PRESSURE OPERATED MICROBALANCE
A microbalance utilizing the pressure of light for counterbalancing small changes in mass or force on the balance having a balance device and measuring device. The sample to be investigated is...
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3584697 |
MACHINE FOR PORTIONING OUT ARTICLES BY WEIGHT
A machine for portioning out nails, screws or like articles of magnetically attractable material from a supply of such articles to an outlet where the articles are packaged, has conveyors and a...
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3565194 |
DIGITAL WEIGHING SYSTEM
A system is disclosed for providing digital indications of the gross or net weights of a load (or accumulated loads), as sensed by electrical load cells. The load cells are energized from a source...
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3565193 |
ELECTRICAL WEIGHER USING VIBRATING STRINGS
The specification describes a weighing apparatus using a vibrating string whose tension depends on the weight to be weighed. Electronic counters are used for deriving the weight from the frequency...
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3565195 |
ELECTRICAL WEIGHING APPARATUS USING CAPACITIVE FLEXIBLE MAT
Weighing apparatus is disclosed comprising electronic circuitry and a weighing mat adapted to be loaded by a force to be measured. The mat is composed of layers of electrically conductive...
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3556235 |
PHOTOCELL CHECKING CIRCUIT FOR OPTICAL WEIGHING SCALE
In a computing weighing scale including photoelectric transducers for converting the weight of a commodity into electrical signals, computing means responsive to the output from the photoelectric...
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3550771 |
FLUIDIC WEIGHING AND SORTING SYSTEM
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3550705 |
WEIGHING SCALE READOUT DEVICE
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3545555 |
METHOD AND APPARATUS FOR DYNAMICALLY WEIGHING OBJECTS IN MOTION
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3545611 |
REBOUND TYPE CHECKWEIGHER
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3539027 |
INTEGRATING CONVEYORIZED WEIGHING SYSTEM
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3533481 |
VEHICLE WEIGHING SYSTEM
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3528518 |
AUTOMATIC BATCH WEIGHER
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3519093 |
APPARATUS AND METHOD FOR SENSING MASS,AND HIGH-SPEED WEIGHING APPARATUS AND METHOD UTILIZING SAME
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3519095 |
PRECISION ELECTROMAGNETIC BALANCE
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3516506 |
CONTROL APPARATUS FOR AUTOMATIC INDUSTRIAL OPERATIONS
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3509763 |
FORCE BALANCES OF THE ELECTROMAGNETIC TYPE
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3508623 |
ULTRASONIC TYPE NET WEIGHT LOAD INDICATOR FOR VEHICLES
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3499499 |
WEIGHING OF MATERIALS WITH MICROWAVE TESTING OF MOISTURE CONTENT
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3498397 |
BEAMLESS ELECTRICAL WEIGHING DEVICES
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3497022 |
ELECTRONICALLY CONTROLLED WEIGHING APPARATUS
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