Optical: systems and elements – Lens – Combined with diverse art tool – instrument or machine
Patent
1996-03-28
1997-07-15
Epps, Georgia Y.
Optical: systems and elements
Lens
Combined with diverse art tool, instrument or machine
359810, 353 94, 353101, G02B 300, G02B 2700, G03B 2126, G03B 300
Patent
active
056488785
ABSTRACT:
Disclosed is a three beam-type projection apparatus in which three projectors can be transported integrally by a single driving motor. A first and a second projecting lenses are formed in the front of first and second projectors, respectively. First and second guiding grooves are formed thereon. The two projectors are connected by a plurality of guiding rods. A third projecting lens is formed in the front of a third projector and an inserting hole is formed on the lower portion of the third projector. A guiding plate is combined with the first, second and third projectors, and is transported forward and backward by a driving apparatus. A fixing plate is provided with a parallel guiding hole formed along the length of the third projector and with an inclined guiding hole for guiding the transportation of the third projector. The three projectors can be transported by a driving motor and the operation of the apparatus is very accurate and advantageous.
REFERENCES:
patent: 5125733 (1992-06-01), Lee
patent: 5426471 (1995-06-01), Tanaka
patent: 5537169 (1996-07-01), Park
patent: 5586818 (1996-12-01), Lee
Daewood Electronics Co. Ltd.
Epps Georgia Y.
Mack Ricky
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