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Bosch Security System , Inc.
Broadview, IL US
| Bosch Security System , Inc. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090303069 | ANTI-MASKING SYSTEM AND METHOD FOR MOTION DETECTORS - An anti-masking system and method for a motion detector includes a plurality of anti-masking components such as a spreading lens, at least one reflector located outside a housing of the motion detector, and a retroreflector located on the housing proximate to a lens. The system and method uses the plurality of anti-masking components to determine whether the lens of the motion detector has been masked by an object. | 12-10-2009 |