Optical recording medium, method of recording information to...

Details Optical recording medium, method of recording information to... Optical recording medium, method of recording information to...

2007-02-06

2007-02-06

Edun, Muhammad (Department: 2627)

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal processing for controlling recording light...

C369S059100, C369S047500, C369S116000

Reexamination Certificate

active

10489050

ABSTRACT:
It is an object of the present invention to provide a method of recording information to an optical recording medium that is suited to achieving high data transfer rates.The optical recording medium according to the present invention comprises a method of recording information to an optical recording medium where information is recorded by forming on the optical recording medium a plurality of recording marks selected from a group consisting of several types of recording marks each with different lengths, wherein a first recording mark and a second recording mark contained within said group are formed with the number of pulses and the pulse spacing in the laser beam set substantially equal to each other. Thus, even in the case that one clock period (T) is shortened to achieve high transfer rates, recording marks with good shapes can be formed. In addition, control is simplified and it is possible to reduce the cost of a drive to which the present invention is applied.

REFERENCES:
patent: 6256277 (2001-07-01), Saga et al.
patent: 8287465 (1996-11-01), None
patent: 9134525 (1997-05-01), None
patent: 10083573 (1998-03-01), None
patent: 2001-331936 (2001-11-01), None

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