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:
Jul. 26, 1988
Filed:
Dec. 27, 1985
Applicant:
Inventor:
Shigeki Takeda, Tokyo, JP;
Assignee:
Kyocera Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ; H04K / ;
U.S. Cl.
CPC ...
375-1 ; 375115 ; 375120 ;
Abstract
Disclosed is a spread spectrum communication system realized by using the frequency hopping coherent detection system wherein such an offset voltage pattern is predetermined by a polynomial is applied to the VCO of the PLL in the receiver thereof, so that the PLL can be operated with a narrow bandwidth because of the narrow bandwidth of the loop filter as well as a decreased loop gain while avoiding tracking break caused by narrow lock range due to the narrow bandwidth of the loop filter as well as the decreased loop gain.