Lens assembly for matrix lamp displays

Details Lens assembly for matrix lamp displays Lens assembly for matrix lamp displays

1996-08-22

1997-11-11

Dority, Carroll B.

Illumination

Plural light sources

With modifier

362247, 362241, 362294, 362345, F21V 100

Patent

active

056856342

ABSTRACT:
A lens assembly is disclosed for a matrix lamp display which includes a reflector portion having a rear wall and plurality of peripheral walls extending forwardly therefrom, and a lens portion having a peripheral frame including structure for engaging the peripheral walls of the reflector portion, an inclined curved lens face extending forwardly from the frame, and a ventilated top wall extending rearwardly from an upper edge of the lens face to the frame.

REFERENCES:
patent: 3273140 (1966-09-01), Foster et al.
patent: 3631461 (1971-12-01), Powell
patent: 3750138 (1973-07-01), Burgan et al.
patent: 4006476 (1977-02-01), Romney
patent: 4683491 (1987-07-01), Shimada et al.
patent: 4843527 (1989-06-01), Britt
patent: 4940973 (1990-07-01), Katz
patent: 5117343 (1992-05-01), Kerscher et al.
patent: 5321417 (1994-06-01), Voelzke et al.

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