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:
Aug. 10, 1999
Filed:
May. 25, 1995
Applicant:
Inventor:
Tetsuo Kanda, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ; H04K / ; H04L / ;
U.S. Cl.
CPC ...
375200 ; 375207 ;
Abstract
A spread spectrum communication method in which, on the transmission side, each item of parallel data is spread with a different code, and is encoded into a combination of I-channel and Q-channel signals. On the reception side, the combination of I-channel and Q-channel signals is encoded to correlate it with each of a plurality of codes.