Method of and apparatus for determining number of sheets in a st

Details Method of and apparatus for determining number of sheets in a st Method of and apparatus for determining number of sheets in a st

1979-10-22

1981-11-03

Thesz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

235 92V, G06M 900

Patent

active

042987903

ABSTRACT:
Reflected energy density signal as a function of distance in pulse counts determined from a side of stacked sheets is used to calculate sheet pulse counts. A working pulse range is determined from the nominal thickness range of the stacked sheets and thereafter pulse values within the working pulse range are selected. The calculated sheet pulse counts and selected pulse values are compared and acted on to develop a pair of sheet counts for each selected pulse value. The pair of sheet counts occurring at least 10 consecutive times is considered the number of sheets in the stack.

REFERENCES:
patent: 3813523 (1974-05-01), Mohan et al.
patent: 3835306 (1974-09-01), Bills et al.

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