Patent ID: 6725000
Filing Date: 2004-04-20
Classification: G03G

Abstract:
A heating mechanism comprising:a first coil body and a second coil body, each of which coil bodies increases a temperature of an object; a first temperature detection mechanism and a second temperature detection mechanism, said first temperature detection mechanism detecting a temperature obtained when a predetermined output is supplied to said first coil body and a temperature of said object is increased, and said second temperature detection mechanism detecting a temperature obtained when said predetermined output is supplied to said second coil body and a temperature of said object is increased; and an output control mechanism capable of alternately supplying said predetermined output to said first coil body and said second coil body, wherein said output control mechanism continuously supplies said predetermined output to said first coil body until said first temperature detection mechanism detects that a temperature in an area of said object which is increased by said first coil body reaches a predetermined temperature when a temperature of said object is increased by said first coil body, and does not supply said predetermined output to said second coil body while said predetermined output is supplied to said first coil body, and wherein, when said predetermined output is alternately supplied to said respective coil bodies, supply of said predetermined output to a coil body as a drive target is switched with zero cross and said switching is terminated in 0.2 seconds or less.