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A magnetic mouse activity meterActivity meter has been developed using Hall effect devices that record passage of selected groups of magnetically tagged mice. Two small permanent magnets are implanted in belly and back of selected mice and electronic circuits are activated as mice move between cages. System has advantage over tagging, detecting, and identification methods currently used.
Document ID
19720000481
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Henry, J. (Univ. of Southern Calif.)
Rader, R. P. (Univ. of Southern Calif.)
Date Acquired
August 6, 2013
Publication Date
August 1, 1972
Subject Category
Life Sciences
Report/Patent Number
HQN-10664
Report Number: HQN-10664
Accession Number
72B10482
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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