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Improved reader for magnetically-encoded ID cardsHybrid demodulator in electronic card reader for magnetically encoded identification cards, accommodates variations in insertion speeds, yet is simpler and less expensive than equivalent all-digital circuits.
Document ID
19790000160
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Wu, T. T.
(Caltech)
Date Acquired
August 9, 2013
Publication Date
December 1, 1979
Publication Information
Publication: NASA Tech Briefs
Volume: 4
Issue: 2
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
NPO-13517
Accession Number
79B10160
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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