Apparatus and method for detection and demodulation of an intensity-modulated radiation field
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United States of America Patent
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Jan 5, 1999
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N/A
app pub date -
Feb 13, 1997
filing date -
Nov 14, 1994
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Abstract
An imaging sensor (13) has a multiplicity of sensor elements (16). Each sensor element (16) has a light-sensitive zone (17) in which radiation is detected as a function of position. A multiplicity of storage cells (21) successively store charges detected in the light-sensitive zone (17) of each sensor element (16) in synchronism with a modulation signal which is produced by the radiation source. The imaging sensor (13) simultaneously detects and demodulates intensity-modulated radiation as a function of position. The invention makes it possible to determine a range of parameters for the object (11) being examined, thus ensuring that the object is accurately recorded for rangefinding purposes.
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