LIGHT PROJECTION AND RECEPTION DEVICE

PROBLEM TO BE SOLVED: To obtain a light projection and reception device which can prevent reflected light from the light reception surface of a light reception part from being emitted from a light projection and reception branch means to a projection side. SOLUTION: The light projection and receptio...

Full description

Saved in:
Bibliographic Details
Main Author ORINO TATEKI
Format Patent
LanguageEnglish
Published 07.02.2003
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
TRANSMISSION
Online AccessGet full text

Cover

More Information
Summary:PROBLEM TO BE SOLVED: To obtain a light projection and reception device which can prevent reflected light from the light reception surface of a light reception part from being emitted from a light projection and reception branch means to a projection side. SOLUTION: The light projection and reception device having a light projecting means having a light emission part projecting linear polarized light, a light receiving means having a light reception part, and the light projection and reception branch means for making the projection light and reception light branch is equipped with a polarization state converting means which converts the linear polarized light into circular polarized light and transmits it between the light reception part and light projection and reception branch means.
Bibliography:Application Number: JP20010225247