Recording a mark with the rising and falling edges varied based

Details Recording a mark with the rising and falling edges varied based Recording a mark with the rising and falling edges varied based

1999-08-04

2000-12-12

Dinh, Tan

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 13, 369 54, 369124, 369 59, G11B 700

Patent

active

061607843

ABSTRACT:
Optimum edge recording methods are previously held in a control data zone on the recording medium, and one of the methods is selected in a write mode by referring to the recorded methods. An information recording apparatus for forming a recording mark by converting an energy beam to a multi-pulsed train and irradiating the beam onto the recording medium includes that change-over can be realized between mark edge control based on control of both pulse edge positions and mark edge control based on control of one of the pulse edge positions.

REFERENCES:
patent: 4866692 (1989-09-01), Saito et al.
patent: 4873680 (1989-10-01), Chung et al.
patent: 5347505 (1994-09-01), Moritsugu et al.
patent: 5418770 (1995-05-01), Ide et al.
patent: 5475657 (1995-12-01), Sato et al.
patent: 5732061 (1998-03-01), Kirino et al.

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