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A CMOS imaging chip for real-time range finding

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2 Author(s)
Cilingiroglu, U. ; Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA ; Sicheng Chen

A novel CMOS imaging chip for real-time range finding is described. The system can extract range information without any mechanical movement and all the signal processing is done on chip. All the image sensors and mixed-signal processors are integrated in a chip. A prototype chip has been fabricated in 0.5 μm CMOS technology that occupies 0.9 mm × 0.9 mm silicon area. It can report the distance in the range 1.5 m - 10 m in 18 scales. Analog power dissipation is 50 mW for a 5 V power supply. The paper presents the proposed range extraction concept, describes the technique and circuit architecture, and verifies functionality by simulated results

Published in:

Circuits and Systems, 2000. Proceedings of the 43rd IEEE Midwest Symposium on  (Volume:3 )

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