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5003489 |
Totalizer apparatus for flow rate measurement devices
A totalizer apparatus, used with belt scales and other flow rate measuring devices producing output signals subject to zero drift, maintains an auxiliary totalizer register during zeroing...
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4866642 |
Method and apparatus for determining the diameter of rail vehicle wheels
The diameter of railroad wheels is calculated from data obtained by simultaneously producing two marker points on the tread surface of the wheel and simultaneously sensing these marker points and...
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4862396 |
Analyzing analog quadrature signals
An apparatus and method for analyzing a pair of analog, generally sinusoidal, quadrature gauge signals from a conventional plunger-type gauge head includes digital ratio-metric comparison of...
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4674060 |
Method and apparatus for counting currency and for confirming the count of strap currency
A scale under microprocessor control weighs each batch of currency. The weight measurement is compared against predetermined stored weight values to determine if the currency being weighed is strap...
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4316384 |
Digital moisture meter and method for determining percent weight loss
The digital moisture meter includes means for taring an empty sample pan placed on the balance platen. After the balance has been tared, a small sample is placed in the sample pan and a heat lamp...
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4299326 |
Weight sorting memory circuit
A memory circuit is provided for use in conjunction with a conveying apparatus having a number of discharge or drop points at which articles may be discharged so that the articles may be sorted...
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4294320 |
Method and apparatus for weighing material being collected
Process and apparatus for weighing material being collected. In the illustrative embodiment, plasma that has been separated from whole blood is collected. The tare weight is sensed and the weight...
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4291374 |
Mailing system
A system for mailing articles includes an integrated circuit interface between a scale deflection transducer, a processor and an external memory. The interface includes a multifunction shift...
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4157738 |
Method for counting the number of articles using a weighing machine
A method for counting the number of articles or goods of the same kind using a weighing machine which comprises a step of measuring an average or mean weight of sample articles, a step of measuring...
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4152579 |
Digital tracking system with analog signal resolution
An optical detector provides an optically amplified function of displacement to be measured. The detector includes a first optical grating which moves with a displaceable member, while a second...
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4143364 |
Optical displacement measuring system
A system for processing cyclic signal pairs generated by an optical transducer to provide an accurate measurement of the displacement of one member with respect to a reference is suitable for...
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4134465 |
Apparatus for measuring weight of bulk material conveyed by belt conveyor
An apparatus for cumulatively measuring the weight of a continuous bulk material conveyed by a belt conveyer, comprising; a pulse generator operatively coupled to the conveyer for generating pulses...
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4117898 |
Electronic tare system for electrical balance
An electronic tare system used in an electrical balance of the type which generates an electrical signal representing a mass being weighed for application to a digital read out or other display is...
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4047007 |
Clocked digital counting system
A system for processing cyclic signal pairs generated by an optical transducer to provide an accurate measurement of the displacement of one member with respect to a reference is suitable for...
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3988874 |
Poultry weighing and packing apparatus
Poultry dropped from a conveyor line at a weighing station is automatically packed into containers by a container filling machine positioned below the weighing station. The birds received in the...
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3980871 |
Device for registering and indicating the size of a load acting on a transducer
A load size registering and displaying device is disclosed which can operate either statically or dynamically. The device is manually or automatically operable to account for tare weight. The load...
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3979055 |
Weighing system for conveying means
A forage conveyor-scale apparatus includes a pivoted conveyor having a differential transformer load cell providing a weight signal. A Hall cell unit is coupled to the conveyor to produce a speed...
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3967690 |
Digital readout diet scale
An electronic digital readout diet scale including means for accurately detecting and displaying minute changes of weight in a dieter accurate to small fractions of pounds is described. One...
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3929277 |
Animal food monitor
A system for determining the amount of food consumed in a given period of time by each of a plurality of animals, such as cattle, comprising a feed station which the animals can enter individually...
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3916173 |
Plural scale system with digital zero correction
In a plural scale system such as a parts counter, apparatus for digitally compensating for zero errors in the weight outputs of the scales. Analog weight outputs from the scales are selectively...
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3913095 |
Photodetector compensating circuit for a postage metering system
The operating characteristics of a photodector device are controlled by a compensating photodetector of the same type, which is coupled to a source of potential and to the photodetector device for...
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3898435 |
Memory device for an egg grading machine
A memory device for use with an egg grading machine which includes a single lane conveyor carrying uniformly spaced eggs past a series of packing stations where the eggs are delivered directly into...
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3853267 |
DIGITAL SUBTRACTION SYSTEM AND METHOD FOR DETERMINING NET WEIGHT
Digital subtraction system and method utilizing unidirectional counters which has particular utility in determining net weight from gross weight and tare weight. The gross weight and tare weight...
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3823311 |
SUM OF CROSS PRODUCTS MULTIPLICATION AND ROUNDING
A computing and printing scale system includes a pulse generator and an optical scale incorporating a mechanism which reads out the balance position of the platter and stores the weight information...
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3793890 |
DIGITAL ELECTRONIC INTEGRATING ACCELEROMETER
An acceleration signal is integrated over a determinable time period to dlop a digital count which is a function of velocity; that signal is then again integrated over an identical time period to...
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3794815 |
TOTALIZER FOR WEIGHING SYSTEMS
A weighing system totalizer wherein a pulse generator produces pulses at a constant repetition frequency to be counted in by a counting device, wherein a digital-to-analog converter cumulatively...
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3789202 |
COUNTING BALANCE
A counting balance having means for producing a first voltage proportional to the weight of an unknown number of articles, means for producing a voltage proportional to the weight of a known number...
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3769498 |
SYSTEM FOR CONTROLLING A COMPUTING SCALE
A controlling system for a computing scale. The system has a circulating register formed in a series having desired figure of desired bits. An input signal selecting and changing circuit is...
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3740536 |
ELECTRONIC DIGITAL WEIGHING APPARATUS
An electronic digital weighing apparatus comprising a weight detecting section for detecting the weight of an object as an analog quantity and an analog-digital converter for converting the analog...
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3714401 |
CONVEYOR TYPE CONTINUOUS WEIGHING SYSTEM
A conveyor type continuous weighing system having a weighing conveyor, a pulse generator, a high-frequency oscillator, a plurality of counters, a shift register, an integrated weight indicator 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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3665169 |
ELECTRONIC MEASURING UNIT
The electronic measuring unit is a logic controlled system which is programmed by a clock control unit. A unit for producing a digital output indicative of a function to be measured is connected to...
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3657526 |
CALCULATING SYSTEM FOR AN AUTOMATIC WEIGHING SCALE
A calculating system for an automatic weighing scale wherein a rough estimate of the value of a load being weighed can be made before the scale has come to complete balance. The rough estimate of...
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3653015 |
DIGITAL SCALE AND METHOD
Digital display system and method for weighing scales wherein an encoder provides a digital signal indicative of the position of the dial pointer of the scale. The digital signal is converted to...
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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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3614397 |
BATCH-CONTROLLED READOUT SYSTEM
An asphalt-type batching printer unit includes a pair of scale potentiometers sequentially and selectively connected to corresponding batch controls and a counter circuit. The potentiometers are...
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3589457 |
WEIGHT MEASUREMENT
Weight measurement apparatus and method, the apparatus having normally balanced resistance bridge which becomes unbalanced in an amount which is a function of the weight being measured. A...
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3582619 |
DIGITAL CUTOFF
A digital cutoff system comprising a weighing scale, means for producing digital signals in accordance with load upon the scale, means for selecting a desired weight, and coincidence means for...
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3578955 |
TOTALIZER FOR INTEGRATING THE PRODUCT OF TWO VARIABLES WITH DIGITAL REGISTRATION
A capacitor is charged with a DC current obtained from a voltage signal that is proportional to a first variable, such as the weight of material on a prescribed section of a conveyor belt. Each...
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3551657 |
COUNTING
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3548163 |
WEIGHING SCALES
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3489885 |
COUNTING INTEGRATOR FOR A.C. SIGNALS
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3259746 |
Apparatus for automatically weighing and totalizing the production time intervals of a plurality of different weight categories of cigarettes during manufacture
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3192535 |
Method and apparatus for high speed weighing
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3115201 |
Conveyor weighing apparatus
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3108648 |
Condition responsive device
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3104318 |
Integrating circuit
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3063635 |
System for measuring the weight of dynamic loads
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3055585 |
Industrial computing scale
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3052409 |
Read out equipment for electronic counters
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