Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate
2006-05-09
2006-05-09
Frech, Karl D. (Department: 2876)
Registers
Coded record sensors
Particular sensor structure
C235S462200, C235S462430, C235S462450, C235S462460, C235S472010, C235S472020
Reexamination Certificate
active
07040540
ABSTRACT:
A code symbol reading device includes a portable housing that contains a source of optical energy. This optical energy is projected into a scan field external to the housing and is incident upon a code symbol situated on an object located within the scan field. Optical energy reflected off the code symbol is detected within the housing to produce scan data that is indicative of the detected optical energy. The scan data is processed to detect and decode the code symbol and to produce symbol character data that are representative of the decoded code symbol. A data packet utilizing the symbol character data is constructed and then used to modulate an electromagnetic carrier sign that is transmitted to a base unit. At the base unit, the carrier signal is demodulated and the data packet is recovered. The received data packet is processed to recover the symbol character data, and an acknowledgment signal is generated to acknowledge the receipt of the symbol character data at the base unit.
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Colavito Stephen J.
Germaine Gennady
Knowles Carl H.
Rockstein George B.
Wilz, Sr. David M.
Frech Karl D.
Metrologic Instruments Inc.
Trail Allyson N
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