| 摘要 |
PCT No. PCT/EP94/00610 Sec. 371 Date Oct. 21, 1994 Sec. 102(e) Date Oct. 21, 1994 PCT Filed Mar. 2, 1994 PCT Pub. No. WO94/19982 PCT Pub. Date Sep. 15, 1994The energy-efficient hand-held device for treating an object with a flow of hot air includes a handle for positioning it in relation to the object, a blower for producing an air flow; a heating device for heating the air flow from the blower; a sensor device for determining when an interruption in the treating of the object with the hot air is or is not occurring; and a device for turning off or turning on the heating device and, if desired, the blower in response to a signal from the sensor device. The sensor device can be a light or ultrasonic transmitter and receiver which detects the presence or absence of reflected light or ultrasonic waves from the object and measures the distance to the object to determine if it is greater than or less than a threshold distance (S). Other embodiments are described.
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