Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 3, 2007
Patent Application Number
10493827
Date Filed
November 1, 2002
Patent Citations Received
Patent Primary Examiner
Patent abstract
An object accommodated in an internal space of a freezer is quickly cooled to a predetermined temperature with preventing water from freezing while an oscillating electric field of, preferably, a variable frequency in the range of 50 Hz to 5 MHz and/or a magnetic field are applied to the object, or further ionic air is added to clod air, and subsequently the object is instantaneously frozen at the predetermined temperature. Preferably, the magnetic field is a static magnetic field and/or a variable magnetic field.
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