Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1988-11-08
1992-01-14
Orsino, Joseph A.
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
360 32, 359154, 359184, H04B 1000
Patent
active
050817116
ABSTRACT:
A system for communication between a computer and peripheral devices. The computer is made to generate long duration, synchronous, bi-phase binary coded electrical signals that can be shaped and amplified and then used to modulate a high frequency infrared light beam. Video and audio tape motion counts or electrical signal frequency counts can be read by the computer through the mouse port. Two pulse trains that change relative phase with a change in tape motion direction can be used to record motion counts and determine the direction of motion.
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Beek L. Van
Matzuk Stephen G.
Orsino Joseph A.
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