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US 8,941,833 B2Granted
Alignment registration feature for analyte sensor optical reader
Assignee3M Innovative Properties Company
InventorsKiran S. Kanukurthy, Neal A. Rakow
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Abstract
An optical reader for interrogating an optical analyte sensor includes a housing, comprising in its interior: at least one light source, a detector, and a programmable logic device. The housing has a registration feature configured to align the optical reader with an optical analyte sensor. Methods for confirming alignment of such optical readers are also disclosed.
Claims20
An optical reader for interrogating an optical analyte sensor that is positioned within the interior of a filter cartridge housing, comprising:
- an optical reader housing comprising in its interior:
- a first light source characterized by a first spectral range;
- a second light source characterized by a second spectral range;
- a detector;
- and
- a programmable logic device;
- wherein the optical reader housing is attached to a removable filter cartridge housing portion and wherein the optical reader housing comprises a registration feature configured to align the optical reader with the optical analyte sensor when the removable filter cartridge housing portion is attached to the filter cartridge housing,
- and wherein the optical analyte sensor is configured to detect a vapor or gas analyte in an air atmosphere.
5 more elements
Dependencies are inferred from the claim text.