Wireless communication for fume hood control

Ventilation – Workstation ventilator – Covered workbench chamber

Reexamination Certificate

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Reexamination Certificate

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06960126

ABSTRACT:
A method and apparatus for controlling a fume hood. A containment condition, i.e., a condition that may affect containment of potentially harmful substances in the hood, may be detected, and information regarding the detected condition sent by wireless signal. A fume hood controller may control at least airflow in the hood base on the information contained in the wireless signal.

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patent: 6252689 (2001-06-01), Sharp
patent: B-63730/90 (1991-12-01), None
patent: 100 28 333 (2001-12-01), None
patent: WO 91/13700 (1991-09-01), None

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