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:
May. 17, 1994
Filed:
Oct. 23, 1991
Applicant:
Inventor:
Friedrich Fuldner, Villingen, DE;
Assignee:
Deutsche Thomson-Brandt GmbH, Villingen-Schwenningen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
4551581 ; 4551861 ;
Abstract
A digital tuner for a radio in the medium frequency range includes a microprocessor and a keyboard. All frequencies are three digit numbers and are whole number multiples of nine. The desired three digit frequency is input to the microprocessor by manually entering the first two digits using the keyboard If, the third digit is ambiguous it must be inputted manually. The operator is made aware of the ambiguity by the flashing of an indicator where the digit is to be displayed.