Analog-digital optical conversion process and apparatus
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United States of America Patent
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Feb 26, 1985
Grant Date -
N/A
app pub date -
Jun 25, 1982
filing date -
Jun 26, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to an analog-digital coder incorporating n channels corresponding to the bits of the output word. Each channel comprises at least one light intensity modulator. As a function of the positive or negative half-cycles of the output signal of channel i+1, a supplementary phase shift of +.DELTA..PHI. or -.DELTA..PHI. is introduced onto the output signal of channel i, with /.DELTA..PHI./<.pi./2.
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