The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 11, 2010
Filed:
Mar. 08, 2006
Masaki Kato, Sagamihara, JP;
Kazunori Ito, Yokohama, JP;
Hiroshi Deguchi, Yokohama, JP;
Hiroko Ohkura, Yokohama, JP;
Mikiko Abe, Kawasaki, JP;
Hiroyoshi Sekiguchi, Yokohama, JP;
Masaki Kato, Sagamihara, JP;
Kazunori Ito, Yokohama, JP;
Hiroshi Deguchi, Yokohama, JP;
Hiroko Ohkura, Yokohama, JP;
Mikiko Abe, Kawasaki, JP;
Hiroyoshi Sekiguchi, Yokohama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
To provide a method of recording information to an optical recording medium comprising recording a mark of time length nT (n: natural number of 3 or more, T: clock cycle) in an optical recording medium capable of supporting different recording speeds and having constant information line density, and irradiating the optical recording medium, the optical recording medium irradiated with light of alternating mheating pulses of power Pw and mcooling pulses of power Pc (where mis a natural number smaller than n) provided v<v(where v is a scanning speed and vis a scanning speed unique to each optical recording medium), the optical recording medium irradiated with light of alternating mheating pulses of power Pw and mcooling pulses of power Pc (where mis a natural number smaller than n) provided v≧v, wherein the condition n/m≧n/mis satisfied.