Load comparison scale

Claim 2

A measuring device for quantitatively identifying an unknown sample comprising, scale means for quantitatively identifying a sample input having a known quantity, means for applying said quantitatively known sample as an input to said scale means, transducer means responsive to application of said known sample for converting an output of said scale means to a representative electrical signal, means for adjusting the output of said transducer means to quantitatively correlate with said quantitatively known sample, and means for applying the unknown sample to said scale means, said means for applying said unknown and known samples including intercoupled leverage means adapted for deflection on application of said samples, and holding means for carrying said samples.

Claim 3

A measuring device as set forth in claim 1 wherein said means for adjusting includes circuit means for intercoupling said scale means with a display means, said circuit means responsive to said electrical signal and including variable means for controlling at least in part the amplitude of said electrical signal.

Claim 4

A measuring device as set forth in claim 2 wherein said display means includes digital display means responsive to said controlled electrical signal for indicating said quantitative indicia.

Claim 5

A measuring device as set forth in claim 3 wherein said circuit means includes switchable means and amplifier means, said switchable means adapted for selectively applying said electrical signal to said amplifier means.

Claim 6

A measuring device as set forth in claim 4 wherein said variable means includes potentiometer means and said digital display means includes digital voltmeter means.

Claim 7

A measuring device as set forth in claim 5 wherein said digital voltmeter means includes means for providing an output signal for actuating data collection means, such as a printer or computer.

Claim 8

A measuring device as set forth in claim 5 wherein said means for translating includes linear variable transformer means for translating deflection into an electrical signal representative thereof.

Claim 9

A measuring device as set forth in claim 7 wherein said switchable means responsively couples to a switch means on said digital voltmeter for providing a digital display of the quantity of said unknown sample.

Claim 10

A measuring device for quantitatively identifying an unknown sample of uniform objects, comprising, means for indicating a unit standard from a sample input of a known quantity of said objects including display means, and weighing means for deflecting said display means in response to said sample input, means for adjusting said display means to a read-out corresponding quantitatively to the number of objects of said known quantity, transducing means coupled from said weighing means to said display means for converting the weight of said sample input into a representative electrical signal, said means for adjusting including circuit means intercoupling said transducing means and said display means, responsive to said electrical signal, and including means for varying at least in part the amplitude of said electrical signal, and means for deflecting said display means in response to an unknown sample of said uniform objects including means for maintaining said unknown sample deflecting means in linear proportion to said known sample deflecting means over a range of deflections, said weighing means for deflecting said display means in response to said sample input and said means for deflecting said display means in response to an unknown sample comprising intercoupled leverage means.

Claim 11

A measuring device for quantitatively identifying an unknown sample of uniform objects, comprising, means for indicating a unit standard from a sample input of a known quantity of said objects including display means, and weighing means for deflecting said display means in response to said sample input, means for adjusting said display means to a read-out corresponding quantitatively to the number of objects of said known quantity, transducing means coupled from said weighing means to said display means for converting the weight of said sample input into a representative electrical signal, said means for adjusting including circuit means intercoupling said transducing means and said display means, responsive to said electrical signal, and including means for varying at least in part the amplitude of said electrical signal, and means for deflecting said display means in response to an unknown sample of said uniform objects including means for maintaining said unknown sample deflecting means in linear proportion to said known sample deflecting means over a range of deflections, said weighing means for deflecting said display means in response to said sample input and said means for deflecting said display means in response to an unknown sample comprising intercoupled leverage means.

Claim 12

A measuring device as set forth in claim 9 wherein said means for varying includes a potentiometer circuit.

Claim 15

A method of determining the quantity of an unknown sample of objects of substantially uniform weight as set forth in claim 11, wherein said adjusting includes varying the amplitude of said electrical signal thereby calibrating the display.

Claim 16

A method of determining the quantity of an unknown sample of objects of substantially uNiform weight as set forth in claim 12 and further comprising, extracting an output signal from said digital voltmeter representative of the display thereon and adapting said output signal for use with data collection or printout devices.

Claim 17

A method of determining the quantity of an unknown sample of objects of substantially uniform weight as set forth in claim 13, wherein said deriving includes translating a substantially vertical movement into an electrical signal representative thereof by a linear variable differential transformer.