Optics: image projectors – Lens support – Lens position adjustable
Patent
1996-02-15
1997-04-08
Dowling, William
Optics: image projectors
Lens support
Lens position adjustable
359694, G03B 2100, G02B 1514
Patent
active
056180942
ABSTRACT:
A projection system has three projecting lenses that are controlled integrally. A holder having an upper plate and a lower plate is provided. A plurality of longitudinally slanted guiding holes are formed at the left and right portions of the upper and lower plate. First, second and third projecting lens holders having cylindrical shapes are provided in the holder housing. Projecting lenses are provided at the front sides of the holders. Movable pins are protrusively formed at the upper and lower portions of the first and third projecting lens holders and are inserted into corresponding longitudinally slanted guiding holes. A holder supporting plate has a first and second holder brackets for supporting the second projecting lens holder, and four leg portions and guiding grooves formed at the leg portions for inserting the movable pins. A driving motor and a transporting apparatus are provided. The image control is advantageous and the keystoning phenomenon is eliminated.
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Daewoo Electronics Co. Ltd.
Dowling William
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