Apparatus and method for controlling optical disc write power

Details Apparatus and method for controlling optical disc write power Apparatus and method for controlling optical disc write power

2006-06-20

2006-06-20

Menefee, James (Department: 2828)

Coherent light generators

Particular component circuitry

Power supply

C372S029011, C372S029012, C372S029015, C372S038010, C372S038020, C372S038070

Reexamination Certificate

active

07065114

ABSTRACT:
A simply structured apparatus according to the present invention corrects an overdrive power level. A main controller allows an overdrive power generator to set an overdrive power current to zero, allows a base power controller to control a base power current with the target value of a base power monitor level set to a desired overdrive power level. When the base power monitor level has reached the target value, the main controller allows said overdrive power generator to increase the overdrive power current until a base power control signal monitored by a base power control signal monitor reaches a value corresponding to a desired base power level.

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