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    • 83. 发明专利
    • IRON
    • JPH0824500A
    • 1996-01-30
    • JP9717291
    • 1991-04-26
    • MATSUSHITA ELECTRIC IND CO LTD
    • SATO TAKETOSHISHIMIZU MASAONANBU TADAMASA
    • D06F75/26
    • PURPOSE:To improve the safety, by detecting a horizontal reciprocating condition, a horizontal stationary condition, and a self-standing condition of an iron, by a single condition detecting switch, and stopping the power feed to a heater automatically, in the condition other than the horizontal reciprocating condition, that is, in the iron-left condition. CONSTITUTION:A condition detecting switch 2 is composed by providing a pair of electrodes 4 and 5 on one side of an inclined chamber 2a, as well as a mercury 3 is housed in the inclined chamber 2a, and it is set to the grip or the like of an iron main body 1. In an ironing work, the electrodes are turned on and off intermittently by mercury 3 by the reciprocating movement of the iron, being made in the continued OFF in the horizontally stationary condition, and in the continued ON in the self-standing condition. By receiving a signal owing to the continued OFF or the continued ON, a timer means stops the power feeding to a heater, after a specific time passes.
    • 90. 发明专利
    • AIR CLEANER
    • JPH0463153A
    • 1992-02-28
    • JP17010190
    • 1990-06-29
    • MATSUSHITA ELECTRIC IND CO LTD
    • INUI HIROFUMITERAI HARUOSATO TAKETOSHI
    • B03C3/155B03C3/14B03C3/68
    • PURPOSE:To automatically detect dust and pollen, etc., and to collect dust by equipping a filter for collecting dirt in the air, a suction fan, a high-voltage outputting means for generating high voltage, a discharge electrode and a current detecting means for detecting current at high voltage. CONSTITUTION:When a power source is turned on, high voltage is generated by a voltage outputting means 4. This high voltage is impressed to discharge electrode 5 with the space provided thereto. A current detecting means 6 detects current flowing between the discharge electrodes 5 and sends signals to an amplifying means 7 and a dirt detecting means 8. When dust and particles such as pollen are introduced into the air between the discharge electrodes impressed with high voltage, the signal sent from the amplifying means 7 is made larger than the signal sent from the current detecting means 6. Thereby the dirt detecting means 8 decides that the air has been dirtied and sends a signal to a motor controlling means 9. This motor controlling means 9 rotates a motor 3 by this signal and a suction fan 2 is rotated. The dirty air is sucked into the main body 10 by rotation of the suction fan 2 and dirt of the air is collected by a filter 1. The air is gradually purified by the filter 1. Thereby dust and pollen, etc., in the air are collected to purify the air.