Registers – Coded record sensors – Particular sensor structure
Patent
1993-05-17
1995-04-04
LaRoche, Eugene R.
Registers
Coded record sensors
Particular sensor structure
235467, 359204, 362 20, 362212, 362259, G06K 710
Patent
active
054040027
ABSTRACT:
A backup method for a multiple source optical scanner which alerts an operator when one of the sources has failed. A controller monitors the operation of each source and flags the failed sources. In the case of a scanner having dual full-time channels, the controller removes power from the failed source and disregards the signal from the failed source. In the case of a scanner having non-simultaneously operating sources, the controller switches the remaining source of the scanner to full-time operation. If both sources have failed, power to the failed sources is turned off.
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AT&T Global Information Solutions Company
Glembocki Christopher R.
LaRoche Eugene R.
Martin Paul W.
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