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US 5,512,740 AGranted
Bar code scanner with field replaceable window
AssigneePSC Inc.
InventorsL. Michael Hone, Vincent T. LaManna
Life of this patent
Estimating the term…
Abstract
A hand-held bar code scanner has a field-replaceable optical element (250) such as a window using a rubber boot (110) to hold the window (250) proximate to the scanner housing (101) in front of the housing. The optical element is most typically a window but may also be a filter or lens.
Claims7
A bar code scanner comprising:
- a housing;
- a bar code scanning device having a laser for generating a laser beam and a photodetector secured within said housing;
- said laser beam optically directed to exit said housing through an optical element to scan a target;
- said photodetector positioned to receive said laser beam reflected from said target through said optical element;
- said housing having a nose section with an end face, said end face having an opening defined at least in part by a shoulder;
- said optical element seated adjacent said shoulder;
- and
- a boot of elastomeric material removably positioned around said nose section and securing said optical element against said shoulder and thus to said housing.
5 more elements
Dependencies are inferred from the claim text.