Vector lock-in imaging system
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United States of America Patent
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Oct 31, 1989
Grant Date -
N/A
app pub date -
Jun 2, 1988
filing date -
Jun 2, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The assembly (10) is a real-time imaging device for detecting radiation from an object field which is periodic in time. A video camera (14) detects emitted and reflected radiation from the object field (12) and produces a video signal comprising a series of pixels representing a frame of the image. The video signal is digitized (18) and received by a processor (16). The processor (16) averages the successive frames as in-phase images and quadrature images based on the periodicity of the object field to eliminate unsynchronous noise from the image and to display an image synchronous with the periodicity.
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