Geometrical instruments – Area integrators – Electrical
Patent
1981-12-29
1984-01-10
Haroian, Harry N.
Geometrical instruments
Area integrators
Electrical
33172E, 33174P, G01B 728
Patent
active
044246307
ABSTRACT:
A measuring gauge, suitable for measuring the plastic record caddy for a video disc, uses a transducer and a driver assembly. The transducer includes a plunger which will trigger a detector if a force of less than one gram is applied thereto. The transducer is coupled to the driver assembly. The driver assembly includes a stepping motor for moving the transducer and a target and sensor for providing an indication of a reference position.
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patent: 3996669 (1976-12-01), Anichini
patent: 4221053 (1980-09-01), Bobel et al.
patent: 4239108 (1980-12-01), Coleman
Haroian Harry N.
RCA Corporation
Roehling J. E.
Tripoli J. S.
Whitacre E. M.
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