SAFETY SYSTEMS AND METHODS FOR CONTROLLING OPERATION OF OFFICE EQUIPMENT
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United States of America Patent
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Issued Date -
Dec 30, 2010
app pub date -
Jun 24, 2009
filing date -
Jun 24, 2009
priority date (Note) -
Abandoned
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Abstract
Safety systems and methods are disclosed for controlling operation of office equipment, such as a paper shredder. In one example, the method includes enabling operation of an electric motor configured to drive at least one moveable component of an electronic office appliance. Upon detection of human motion within a prescribed safety zone defined by at least one passive infrared (PIR)-based motion detector during operation of the electric motor, the electric motor is disabled. In one example, the electronic office appliance includes at least two PIR-based motion detectors positioned near at least one moveable component of the electronic office appliance. Operation of the electric motor can be resumed after a predetermined time interval has elapsed without the detection of subsequent human motion within the prescribed safety zone.
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