Projection clock

Horology: time measuring systems or devices – Chronological – With mechanical or electromechanical driven display

Patent

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Details

368239, G04B 1900, G04C 1900

Patent

active

052474925

ABSTRACT:
A projection clock and in particular to one including a housing, the housing being provided at one end with a light bulb and a converging lens in alignment with the light bulb, and at the other end with a clock having a reflective dial with laterally inverted figures marking hours, and a cover engaged with the housing and having a diverging lens in alignment with the reflective dial of the clock and a converging member aligned with the light bulb.

REFERENCES:
patent: 1579880 (1926-04-01), Meissner et al.
patent: 2201376 (1940-05-01), Prins
patent: 2726571 (1955-12-01), Chang
patent: 3136210 (1964-06-01), Barrett
patent: 4253170 (1981-02-01), Meisner
patent: 4374623 (1983-02-01), Simon

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