Title :
Planar distance and velocity sensor
Author :
Kramer, Jörg ; Seitz, Peter ; Baltes, Henry
Author_Institution :
Dept. of Comput. & Neural Syst., California Inst. of Technol., Pasadena, CA, USA
fDate :
11/1/1994 12:00:00 AM
Abstract :
A planar distance and velocity sensor based on a hybrid combination of a light source and a single CMOS photodetector/analog/digital chip is presented. The specific shape of the photodetector calculates a nonlinear geometrical correction purely optically. Hence, electronic data processing is reduced to a minimum, and it can be performed in the analog domain, on the same CMOS chip where the photodetector is placed. Since the (analog) distance and velocity signals are generated simultaneously, the device is particularly useful for time-to-contact measurements
Keywords :
CMOS analogue integrated circuits; CMOS digital integrated circuits; distance measurement; electric sensing devices; photodetectors; velocity measurement; analog domain; electronic data processing; hybrid combination; light source; nonlinear geometrical correction; planar distance sensor; single CMOS photodetector/analog/digital chip; time-to-contact measurements; velocity sensor; CMOS process; Data processing; Geometrical optics; Light sources; Nonlinear optical devices; Nonlinear optics; Optical sensors; Photodetectors; Shape; Signal generators;
Journal_Title :
Quantum Electronics, IEEE Journal of
