Illuminated house number sign

Details Illuminated house number sign Illuminated house number sign

1975-10-01

1977-03-01

McNeill, G.E.

Card, picture, or sign exhibiting

Display card

Having a curved display panel

136 89R, G09F 1300

Patent

active

040095355

ABSTRACT:
A self contained house number sign which charges an internal battery from photo-voltaic cells during daylight. The battery is connected to a lamp via a phototransistor for energizing the lamp at night. The lamp edge lights a plastic template having cutout house number indicia.

REFERENCES:
patent: 2635681 (1953-04-01), Hiltman et al.
patent: 2780765 (1957-02-01), Chapin et al.
patent: 2889490 (1959-06-01), Paradise
patent: 3521047 (1970-07-01), Smith
patent: 3864861 (1975-02-01), Hill, Jr.
"Photoelectric Generators for Navigational Beacons" by N. Pulmanov et al., pp. 12-15 in Applied Solar Energy, Allerton Press, NY (1974).

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