Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate
2007-09-11
2007-09-11
Tarcza, Thomas H. (Department: 3662)
Optics: measuring and testing
Range or remote distance finding
With photodetection
C356S005020, C356S005100
Reexamination Certificate
active
11171402
ABSTRACT:
A method for measuring time of flight of radiation includes emitting modulated radiation in response to a first modulation signal, projecting the modulated radiation onto a scene, receiving radiation, the received radiation comprising a first portion being the modulated radiation reflected by the scene and a second portion being background radiation, converting the received radiation into a signal on a conversion node, the signal on the conversion node having a first and second signal component, the first signal component being indicative of the background radiation and the second signal component being dependent on the reflected modulated radiation, and determining the time of light of the radiation based on the second signal component. A corresponding device is also provided.
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Lange, R., et al: “Solid-State Time-of-Flight Range Camera”, IEEE Journal of Quantum Electronics, IEEE Inc., New York, U.S., vol. 37, No. 3, Mar. 2001, pp. 390-397.
Kuijk Maarten
Van Nieuwenhove Daniël
Ratcliffe Luke D.
Tarcza Thomas H.
Vrije Universiteit Brussel
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