Portable projection device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 1, 1992
Grant Date -
N/A
app pub date -
May 7, 1991
filing date -
May 7, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A portable projection device has a case-like body made of synthetic resin and formed hollow in which a lens, a circuit connected to a light emitting means, a power source and resistances, a display film and a film setting section are arranged and housed. The circuit is opened and closed by a switch arranged on the case-like body to thereby render the portable projection device operative and inoperative. The portable projection device can be used as a time-displaying timepiece, a flashlight, an alarm lamp, a guide lamp or the like.
First Claim
Family
International Classification(s)
Cited Art Landscape
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