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. 01, 1992
Filed:
Jan. 31, 1991
Applicant:
Inventor:
Michio Yamamoto, Mobara, JP;
Assignee:
Futaba Denshi Kogyo K.K., Mobara, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04K / ;
U.S. Cl.
CPC ...
375-1 ; 380 34 ;
Abstract
A correlation device for spectrum spread communication capable of being simplified in construction and carrying out high speed synchronism. The correlation device includes a code inversion device in place of a multiplier and a cumulative adder constituted by an adding section of two input terminals and a pluralty of latch circuits.