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. 05, 1977
Filed:
Dec. 29, 1975
Applicant:
Inventors:
Susumu Cho, Elk Grove Village, IL (US);
Paul Milton Erickson, Oak Park, IL (US);
Gary Raymond Reynolds, Streamwood, IL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ; H04B / ;
U.S. Cl.
CPC ...
325363 ; 324 / ; 325304 ;
Abstract
An FM radio receiver with a discriminator having connected thereto a plurality of bandpass filters, each tuned to pass a different portion of the audio spectrum from the discriminator, and circuitry connected to the bandpass filters for selecting the filter with the lowest output signal which is an indication of the amplitude of the noise and, hence, the quality of the signal being received by the receiver.