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Magnetic Symbology ReaderA magnetic symbology reader has a housing containing a polarized light source which directs light though a magneto-optic sensor onto a reflector which reflects light least one analyzer and into at least one camera. A view finder allows the user to monitor the image on the sensor as seen by a viewfinder camera while a processor is coupled to possibly a second camera so that when an image is detected, the image from the camera may be processed by the processor to output information associated with the symbol to an external source. The analyzer and polarized light source provide contrast in the images detected by the sensor. A bias/erase coil located about the magneto-optic sensor can enhance or erase images on the sensor.
Document ID
20040120996
Acquisition Source
Marshall Space Flight Center
Document Type
Other - Patent
External Source(s)
MFS-31768-1
Authors
Harry F Schramm
(Marshall Space Flight Center Redstone Arsenal, United States)
William C L Shih
(Marshall Space Flight Center Redstone Arsenal, United States)
Gerald L Fitzpatrick
(Marshall Space Flight Center Redstone Arsenal, United States)
Craig Knisely
(Marshall Space Flight Center Redstone Arsenal, United States)
Date Acquired
August 22, 2013
Publication Date
June 8, 2004
Publication Information
Publisher: United States Patent and Trademark Office
Subject Category
Optics
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-Patent-6,745,942
Patent Application
US-Patent-Appl-SN-214482
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