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MULTI-FOCAL LASER SCANNING BAR CODE SYMBOL READING SYSTEM EMPLOYING A SCAN DATA SIGNAL PROCESSOR HAVING A VARIABLE PASS-BAND FILTER STRUCTURE WITH FREQUENCY CHARACTERISTICS CONTROLLED BY DETECTING THE FOCAL DISTANCE OF THE LASER SCANNING BEAM PRODUCING THE ANALOG S

09/499,529 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Feb. 10, 2000
Examiner AHSHIK KIM
Class 235
Art Group 2876
Patent No. 6,499,661
Case Type Utility - 235/462010
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/442,718 Patented
Parent 09/241,930 Patented
Parent 09/157,778 Patented
Parent 09/47,146 Patented
Parent 08/854,832 Patented
Parent 08/886,806 Patented
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Last Updated: 5 years, 4 months ago
Date # Transaction