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:
Feb. 05, 1991
Filed:
Mar. 21, 1989
Applicant:
Inventors:
Kenichi Shiraishi, Yokohama, JP;
Hirokazu Kobayashi, Urawa, JP;
Assignee:
Kabushiki Kaisha Kenwood, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ; H04K / ; H04L / ;
U.S. Cl.
CPC ...
380-9 ; 380 46 ; 380 49 ; 381 77 ; 381 81 ; 370 50 ; 370 73 ; 3701001 ;
Abstract
In one way address transmission system of a PCM music broadcasting, a plurality of the PCM signals are time divisionally multiplexed and then the multiplexed data is scrambled for transmission. An address code in the transmitted scrambled data is arranged so that only the contracted receiver can descramble the address code.