Patent ID: 8264917
Filing Date: 2012-09-11
Classification: G11B

Abstract:
1. A heat generation amount control device that controls a heat generation amount of a heat generation means for heating a magnetic recording medium, in at least either (i) a case where a recording area of the magnetic recording medium is heated by the heat generation means so that information is recorded on the magnetic recording medium by use of a recording head or (ii) a case where a reproduction area of the magnetic recording medium is heated by the heat generation means so that information is reproduced by use of a reproducing head, the heat generation amount control device comprising: a first computing means for controlling a heat generation amount of the heat generation means from a first instance of heating a recording medium by the heat generation means under the control of the heat generation amount control device, according to heat generation amount control information that is obtained in advance during the production of the heat generation amount control device so as to correspond to information on temperatures that is obtained from a temperature detection means the heat generation amount control information being so arranged as to correspond to each of said temperatures such that the heat generation amount becomes a predetermined heat generation amount at each of said temperatures, and the heat generation amount control information being a driving current value of a light source included in the heat generation means.