Patent ID: 7145857

Claim:
A write pulse generating apparatus which generates a write pulse appropriate to an optical recording medium by controlling a light emitting device using a light emitting device driving unit so that a desired write pulse is generated, the write pulse generating apparatus comprising: a control unit which determines and provides type information regarding a type of the optical recording medium and speed information regarding a recording speed factor; and a control signal generating unit which determines a type of a multi-pulse to be generated in a multi-pulse interval based on the type and speed information for the optical recording medium provided by the control unit, and generates a control signal to control the light emitting device driving unit to generate a write pulse having the determined multi-pulse type, wherein the control signal generating unit selects and determines the type of the multi-pulse to be generated in the multi-pulse interval as one of a plurality of non-multi-pulse types and a plurality of multi-pulse train types.