Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1973-06-21
1976-02-10
Rolinec, R. V.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
242186, G01R 1700, B65H 5938
Patent
active
039380416
ABSTRACT:
An unknown tape pack diameter is determined by measuring the inertia of the unknown tape pack and comparing the inertia with an inertia value representative of the inertia of a second tape pack of known diameter.
REFERENCES:
patent: 3462659 (1969-08-01), Lee
patent: 3648134 (1972-03-01), Audeh
patent: 3713606 (1973-01-01), Van Pelt
patent: 3720794 (1973-03-01), Dolby
Louth Kenneth
Oldershaw Reginald William
Ampex Corporation
Karlsen Ernest F.
Rolinec R. V.
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