Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate
2004-11-23
2008-11-25
Feild, Joseph (Department: 2627)
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Radiation beam modification of or by storage medium
Reexamination Certificate
active
07457225
ABSTRACT:
An optical data recording method for recording data in a phase-change optical recording medium using a sequence of one or more short pulses is provided. In this method, a temperature is detected at a prescribed spot around the optical recording medium. The amplitude of the short pulses is controlled in response to the detected temperature. Then, data are recorded in the optical recording medium using the sequence of amplitude-controlled short pulses.
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Agustin Peter Vincent
Dickstein & Shapiro LLP
Feild Joseph
Ricoh & Company, Ltd.
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