Spectacles for giving two-dimentional television or motion pictu

Details Spectacles for giving two-dimentional television or motion pictu Spectacles for giving two-dimentional television or motion pictu

1980-08-06

1984-02-07

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351 57, G02B 2722, G02C 708

Patent

active

044299516

ABSTRACT:
Spectacles for giving a two-dimensional picture a three-dimensional appearance. The spectacle frame has two refracting lenses mounted therein for pivotal movement around vertical axes through equal angles in opposite directions. The spectacles have arms attached to the lenses with toothed wheels between them for driving the arms in the opposite directions, one of the arms being driven by an adjusting head accessible by the wearer of the spectacles. The spectacles can have bows thereon for wearing in a conventional manner or can have clips for attachment to conventional spectacles.

REFERENCES:
patent: 6246 (1849-04-01), Shaw
patent: 749046 (1904-01-01), Folmer et al.
patent: 2258903 (1941-10-01), Mitchell
patent: 3970361 (1976-07-01), DiMatteo
Bugbee; L. W. et al.; Bifocals; One Piece Bifocal Lens Co.; Indianapolis, Indiana; 1922.

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