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. 28, 2002
Filed:
Nov. 01, 1999
Applicant:
Inventors:
Siew Yin Lee, Penang, MY;
Chow Loong Cheah, Perak, MY;
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/10 ;
U.S. Cl.
CPC ...
H04B 1/10 ;
Abstract
A two-way radio ( ) that has a radio frequency receiver ( ) having a modulated radio frequency signal output and a variable bandwidth filter ( ) with an input coupled to the modulated radio frequency signal output. The radio ( ) also has demodulator circuitry ( ), a speaker ( ) and processing circuitry ( ). In use when the radio ( ) is operating in squelch mode, the processing circuitry ( ) controls the variable bandwidth filter ( ) to have a first bandwidth and when in unsquelch mode the processing circuitry ( ) controls the variable bandwidth filter ( ) to have a second bandwidth which has a smaller frequency range and the first bandwidth.