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Fragrance diffuser having stepped power levels

  • US 5,175,791 A
  • Filed: 10/16/1990
  • Issued: 12/29/1992
  • Est. Priority Date: 05/07/1990
  • Status: Expired due to Fees
First Claim
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1. An aroma dispenser comprising:

  • means for emitting a fragrance when heated;

    heater means for providing electric heating for said fragrance emitting means in response to electric power;

    timer means for determining when a predetermined period of time has lapsed and for providing a timing signal in response thereto; and

    means for automatically controlling the average amount of electric power applied to said heater means by varying the average power level between a first average power level and a second average power level in response to said timing signal, at least one of said first and second average power levels being a partial average power level which is less than maximum available power and is greater than no power

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