Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal processing for controlling recording light...
Reexamination Certificate
2011-03-29
2011-03-29
Huber, Paul (Department: 2627)
Dynamic information storage or retrieval
Binary pulse train information signal
Binary signal processing for controlling recording light...
C369S047510
Reexamination Certificate
active
07916603
ABSTRACT:
Provided by the present invention is a method for recording on a phase-change optical information recording medium including irradiating “m” number of heating pulse with power Pw and “m” number of cooling pulse with power Pc when recording a mark of n˜Tw time length, and changing a preset value of at least any one of “m”th heating pulse THm and “m”th cooling pulse TCm when “n” is voluntary during test recording and information recording when setting an optimum write power, wherein “m” is a natural number, “n” is a natural number, Tw is a channel bit length and Pw is larger than Pc, and n=2m+1 is true when “n” is an odd number and n=2m is true when “n” is an even number.
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ECMA-371, Data Interchange on 120 mm and 80 mm Optical Disk using +RW HS Format—Capacity: 4,7 and 1,46 Gbytes per Side (Recording speed 8X) 1st Edition, Dec. 2005.
ECMA-349, Data Interchange on 120 mm and 80 mm Optical Disk using +R Format—Capacity: 4,7 and 1,46 Gbytes per Side (Recording speed up to 16X) 3rd Edition, Dec. 2005.
Dickstein & Shapiro LLP
Huber Paul
Ricoh & Company, Ltd.
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