Apparatus for measuring bone density using active pixel sensors

Details Apparatus for measuring bone density using active pixel sensors Apparatus for measuring bone density using active pixel sensors

1997-06-06

1999-04-27

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 988, 25037014, 25037009, G01T 124

Patent

active

058987533

ABSTRACT:
AA method and apparatus for measuring bone density using x-ray radiation at two energy levels, and an image sensor array that comprises a plurality of CMOS active pixel sensors.

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Fossum, Eric R., Active Pixel Sensors: "Are CCD's Dinosaurs?" Proc. SPIE vol. 1900, pp. 2-14, Jul., 1993.
Mendis, Sunetra, et al., "CMOS Active Pixel Image Sensor," IEEE Transactions on Electron Devices, vol. 41, No. 3, pp. 452-453, Mar., 1994.
Armstrong, L., et al., "NASA's Tiny Camera Has a Wide-Angle Future", Business Week, Mar. 6, 1995.
U.S. Patent Application No. 08/870,381, Filed Jun. 6, 1997.

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