| 摘要 |
Provided herein is a portable device useful for providing ventilation to a selected area via circulation of ambient air. A device according to the present invention is especially well-suited to providing ventilating air to a person resting on a bed, by directing air from the room to the volume defined by the top surface of the mattress of the bed and a bed covering disposed thereon. Use of the present invention increases the ability of persons to achieve restful sleep by enabling convenient control of the air surrounding the person to a comfortable level.
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