Countertriangular optical position sensor

Details Countertriangular optical position sensor Countertriangular optical position sensor

1990-10-29

1992-01-07

Gilreath, Stanley N.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242 25R, 250548, 250571, B65H 5428

Patent

active

050783335

ABSTRACT:
An optical position sensor for a winding apparatus for winding an optical lament onto a rotating bobbin having means for controlling the winding angle of the filament. The invention comprises a winding angle sensor surface which is rectangular and divided into two surfaces by a diagonal line extending across the path of the filament being wound. The invention includes computer means for receiving signals from each of the halves of the sensor surface for calculating the position of the shadow of the filament crossing over the sensor surface. the sensor head includes means for generating light uniformly on the opposite side of the said filament from said sensor surface.

REFERENCES:
patent: 3039707 (1962-06-01), Beck et al.
patent: 4535955 (1985-08-01), Custer
patent: 4655410 (1987-04-01), Ruffin et al.
patent: 4838500 (1989-06-01), Graham
patent: 4928904 (1990-05-01), Watts
patent: 5009373 (1991-04-01), Hester

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