Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1975-08-12
1976-12-21
Heyman, John S.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 61R, 131 21B, 73 73, A24B 900
Patent
active
039991342
ABSTRACT:
For each rod-shaped article or group of articles there is generated a respective first signal dependent upon both the density and the moisture of the filling material. There is also generated a second signal dependent upon the moisture of the filling material. The first and second signals are processed to form for the respective articles respective third signals dependent upon the mass of the filling material but not exhibiting the moisture dependency of the corresponding first signals. The second signal is generated by determining from the generated third signals which of the articles are defective because they contain insufficient filling material and which are non-defective because they contain sufficient filling material. An average signal is derived from only those first signals derived from non-defective ones of the articles. The second signal is derived from the average signal.
REFERENCES:
patent: 2782367 (1957-02-01), Dallas
patent: 3155901 (1964-11-01), Hanken
patent: 3738376 (1973-06-01), Labbe et al.
patent: 3743930 (1973-07-01), Fathauer
patent: 3824477 (1974-07-01), Cotton
Hauni-Werke Korber & Co. KG
Heyman John S.
Kontler Peter K.
Kurucz John
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