Display apparatus and associated circuit

Details Display apparatus and associated circuit Display apparatus and associated circuit

1979-02-12

1981-04-07

Pitrelli, John F.

Card, picture, or sign exhibiting

Display with special effects

Selective or intermittent illumination

40573, 40581, 40902, G09F 1304

Patent

active

042598001

ABSTRACT:
A display apparatus is provided comprising a plurality of spaced lights with reflectors operatively associated with the lights which are isolated from one another. A circuit is provided for actuating the lights for selected periods of time to create an appearance of sequencing. Shaped lenses having the form of alphabetic characters or the like are associated with the lights and are illuminated thereby to achieve a desired effect. The reflectors and seperators associated therewith are connected together in a monolithic structure. The reflectors are asymmetrically formed in the case of asymmetrically shaped alphabetic characters in order to direct the light most appropriately through the shaped lenses. Sequencing is provided by the use of a binary counter, the output of which selectively actuates the lights.

REFERENCES:
patent: 983593 (1911-02-01), Wortley
patent: 2511411 (1950-05-01), Mitchell
patent: 2631274 (1953-03-01), Doherty et al.
patent: 3402491 (1968-09-01), Wagner
patent: 3710379 (1973-01-01), Bruinsma
patent: 3772874 (1973-11-01), Lefkowitz
patent: 3789387 (1974-01-01), Hurst
patent: 3806722 (1974-04-01), Peake et al.
patent: 3862505 (1975-01-01), Jeroma
patent: 4055014 (1977-10-01), Schmidt et al.
patent: 4139957 (1979-02-01), Minogue

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