Typewriting machines – Including control of format and selection of type-face by... – Including means for responding to input program or incoming...
Reexamination Certificate
2005-11-08
2005-11-08
Hirshfeld, Andrew H. (Department: 2854)
Typewriting machines
Including control of format and selection of type-face by...
Including means for responding to input program or incoming...
C400S693000, C359S199200, C359S199200, C359S199200, C359S199200, C385S033000, C385S074000
Reexamination Certificate
active
06962448
ABSTRACT:
An optical interlink made from an optical transducer capable of optically exchanging information. Information to and from the optical transducer passes through a light pipe transducer end and an optical data port end. The optical light pipe consists of separate transmit and receive light pipes. To reduce losses as a result of the light pipe transmission, thereare lenses formed to collimate light between the transducer end of the light pipe and the optical transducer. The collimating lenses are formed in the light pipe. There are also provided additional lenses on the optical data port side of the light port. Transmitted light from the light pipe passes through a lens that increases the illumination angle of the light exiting from the optical data port. Received light passes through a lens that amplifies and collimates the light into the receiving light pipe.
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Hirshfeld Andrew H.
Williams Kevin D.
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