Electric timer with a projector

Details Electric timer with a projector Electric timer with a projector

1992-05-08

1993-11-09

Roskoski, Bernard

Horology: time measuring systems or devices

Displays or display device details

368227, G04B 1900

Patent

active

052609197

ABSTRACT:
An electric timer with a projector comprising a common electric timer, a vaccum fluorescent display connected with the timer to display time, and a projector including a speculum and a convex lens, the speculum reflecting the time displayed in the vaccum fluorescent display, the convex lens magnifying and projecting the reflected time on a ceiling or a wall to be easily seen.

REFERENCES:
patent: 1097310 (1914-06-01), Genter
patent: 1101429 (1914-05-01), Genter
patent: 1137512 (1915-04-01), Miller
patent: 2351238 (1944-06-01), Teuber

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