Beam splitter optical system of signal pickup device
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United States of America Patent
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Sep 27, 1983
Grant Date -
N/A
app pub date -
Aug 13, 1981
filing date -
Aug 14, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical system for use in a signal pickup device of, for example, an optical video and/or audio disc player, comprising a beam splitter prism composed of two component segments forming therebetween a light polarization or semi-reflective mirror plane inclined at the angle of 45 degrees to a predetermined path of light through the prism, each of the component segments having an outwardly curved surface portion through which the path of light extends.
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