Optical recording system with optimal recording laser beam...

Details Optical recording system with optimal recording laser beam... Optical recording system with optimal recording laser beam...

2007-07-10

2007-07-10

Korzuch, William (Department: 2627)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

C369S053220, C369S059210

Reexamination Certificate

active

10285944

ABSTRACT:
An optical recording system includes a laser light source that provides an incident recording light signal for recording information on an optical recording medium, an optical detector for detecting a reflected write pulse from the optical recording medium, and a light source controller for controlling recording laser beam power of the laser light source according to a mark formation effectiveness signal generated by a signal generating device. The signal generating device includes an analog peak value detector for detecting a peak value of the reflected write pulse from the optical detector, at least one sample-hold circuit for sampling the reflected write pulse to obtain at least one amplitude value, and a processor for generating the mark formation effectiveness signal according to the peak value and the amplitude value.

REFERENCES:
patent: 5216660 (1993-06-01), Iimura
patent: 5436880 (1995-07-01), Eastman et al.
patent: 5903537 (1999-05-01), Gage et al.

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