Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1988-04-15
1989-12-26
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 585R, 324 58A, 340673, 340674, G01R 2704
Patent
active
048900532
ABSTRACT:
A millimeter wave detector for detecting missing cigarette packs or other types of objects in a set of objects is provided. The detector uses millimeter wave radiation at about 90 GHz to resolve small features of the objects being scanned. The detector can detect defects or missing packs in configurations that would not be detected by previously known detectors.
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P. F. Goldsmith, "Quasi-Optical Techniques at Millimeter and Submillimeter Wavelengths," Infrared and Millimeter Waves, vol. 6, ch. 5, (K. J. Button, ed., 1982).
P. F. Goldsmith et al., "Gaussian Optics Lens Antennas," Microwave Journal, Jul. 1984, (Millitech Corporation reprint, Sep. 1984).
Banyasz Joseph L.
Burton Aubrey T.
Laroy Bernard C.
Lowitz David A.
Eisenzopf Reinhard J.
Ingerman Jeffrey H.
Philip Morris Incorporated
Solis Jose M.
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