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:
Sep. 19, 1995
Filed:
Dec. 23, 1993
Seiichiro Satomura, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A method of recording data in a recording medium is performed by using an RLL (Run Length Limited) Code represented by (d,k,m,n)=(1,7,2,3). When it is assumed that X is an indeterminate bit which is determined by the data, a one-byte resync signal with a pattern represented by 'X01000000001' is periodically inserted into the data. Then, the data into which the resync signal is inserted is recorded on the recording medium. A method of recording data in a recording medium in accordance with NRZI (Non Return to Zero Inverted) recording is performed by using an RLL code represented by (d,k,m,n)=(1,7,2,3). When it is assumed that X is an indeterminate bit which is determined by the data, one of one-byte resync signals represented by patterns 'X01000000001' and 'X01000000101' is selected such that a DSV (Digital Sum Value) of a coded signal is decreased. The selected resync signal is periodically inserted into the data. Then, the data into which the resync signal is inserted is recorded on the recording medium.