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Improved Optical KeyboardOptical keyboard surfaces used in typewriters, computer terminals, and telephone inexpensively fabricated using stack of printed-circuit cards set in laminate. Internal laminations carry all illuminating and sensing light conductors to keys.
Document ID
19840000254
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Jamieson, R. S.
(CALTECH)
Date Acquired
August 12, 2013
Publication Date
April 1, 1985
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 4
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
NPO-15132
Accession Number
84B10254
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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