Passive Infrared Device for Detection of Boundary Crossings

Authors

Robert Bunch, Rose-Hulman Institute of TechnologyFollow
B. Dougherty
R. Lukens
J. Nagel
C. Wolfe

Document Type

Article

Publication Date

2005

External Access URL

https://patentimages.storage.googleapis.com/fc/99/b5/f24727f57f033a/US20040129883A1.pdf

Recommended Citation

Dougherty, B.C., Bunch, R.M., Lukens, R.E., Nagel, J., & Wolfe, C.L. (2005). Passive infrared device for detection of boundary crossings (U.S. Patent No. 6,881,957). US Patent and Trademark Office. https://patentimages.storage.googleapis.com/fc/99/b5/f24727f57f033a/US20040129883A1.pdf