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. 11, 2003
Filed:
Jul. 20, 1999
Masatoshi Hirayasu, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A radio broadcasting receiver having auto tuning process a digital signal processor includes a process for detecting a maximum value of a received signal output for each of a plurality of broadcasting stations selected during station selection, storage means for storing a detected maximum value of received signal output of each of the broadcasting stations, process for calculating a mean value of a plurality of stored maximum values of received signal outputs, and a process for calculating an output gain on the basis of a maximum value of a received signal output of a broadcasting station to be received and the mean value, and there is provided a process for conducting a gain control upon station selection according to an output of the digital signal processor so as to instantaneously bring the received signal output closer to the mean value, and which conducts automatically a sound volume adjustment at the time of station selection.