| 摘要 |
PURPOSE:To blow off air into a direction set to a remote controller by a method wherein the titled detector is provided with a decision means, deciding the position of the remote controller based on the output of a strength rate comparing means, and a rotation control means, driving an airflow direction changing plate based on a signal from said decision means. CONSTITUTION:A light receptor 1 is constituted of light receiving elements 1a, 1b, 1c and respective elements are provided so as to have directional property. The output current of the receptor 1 is amplified by amplifying circuit 2a, 2b, 2c and is inputted into synchronizing circuits 20a, 20b, 20c. The voltage of the input is taken into an A/D: strength measuring circuit 4a and the mutual comparison processes and operating processes of respective data are effected in a comparing and operating circuit 4b as actually measured numerical values while the output signals thereof are taken into an airflow direction changing plate driving circuit 4c. Stepping motors 5a, 5b for driving the airflow direction changing plate set an arbitrary angle of airflow direction by the signal from the airflow direction changing plate driving circuit 4c. A control signal receiving unit 6, taking a control signal transmitted from a remote controller thereinto, outputs a signal to a signal reading circuit 4d while the signal reading circuit 4d provides the airflow direction changing plate driving circuit 4c with a control signal.
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