Recorders – Performance of multiple functions of steam and gas engines – Pressure responsive element
Patent
1974-12-16
1976-08-24
Hartary, Joseph W.
Recorders
Performance of multiple functions of steam and gas engines
Pressure responsive element
346 33F, G01D 930
Patent
active
039770087
ABSTRACT:
A method and an apparatus for detecting and recording the number of phenomena, for instance of defects of a product continuously manufactured, wherein a graphic record is made on a recording tape in a direction transverse to the advancing direction of said recording tape and at a length corresponding to the sum of unit steps of which the number is equal to the number of phenomena occurring during a measuring or counting period, a fixed limited number of unit steps being executed and thereby a record of a fixed length produced upon failure of detecting means for said phenomena.
REFERENCES:
patent: 2746834 (1956-05-01), McLean
patent: 3359562 (1967-12-01), Staubli
patent: 3413541 (1968-11-01), Swim et al.
Hartary Joseph W.
Zumbach Electronic-Automatic
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