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:
Apr. 10, 2001
Filed:
Jun. 12, 1998
Applicant:
Inventors:
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 2/700 ;
U.S. Cl.
CPC ...
H04L 2/700 ;
Abstract
A method of coding a signal for digital optical communication using a symbol formed of N slots [s,, s,, s,, . . . , s,], wherein s,is either 0 or 1 where i is an integer and 1≦i≦N is provided. The method includes the steps of determining a plurality of symbols which satisfy the following expression, wherein k is an arbitrary positive integer, and p,, q,, p,, q,, . . . , p,and q,are integers which satisfy 1≦p,<q,, 1≦p,<q,, . . . , 1≦p,<q,, and p,/q,<p,/q,< . . . <p,/q,: