Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal gain processing
Patent
1997-12-22
2000-08-15
Edun, Muhammad
Dynamic information storage or retrieval
Binary pulse train information signal
Binary signal gain processing
369 54, 369 58, 369116, G11B 700
Patent
active
06104685&
ABSTRACT:
An information recording apparatus capable of forming a fine mark reliably and highly precisely through compensation for thermal interference and heat accumulation. The information recording apparatus is provided with a recording energy irradiating unit for generating at least two recording waveforms when marks of the same length or spaces of the same length in a channel data sequence are recorded. The information recording apparatus constructed as above can realize highly reliable recording/reproducing operations and can be made compact at a low cost with a large storage capacity.
REFERENCES:
patent: 4894816 (1990-01-01), Sukeda et al.
patent: 5412626 (1995-05-01), Ohno et al.
Saga Hideki
Sukeda Hirofumi
Yorozu Takehiko
Edun Muhammad
Hitachi , Ltd.
Hitachi Maxwell Ltd.
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