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:
Dec. 26, 2000
Filed:
Jan. 31, 1996
Applicant:
Inventors:
Zafarul Azam, Barrington, IL (US);
Douglas W Main, Grayslake, IL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04Q / ; H04B / ;
U.S. Cl.
CPC ...
455426 ; 455454 ; 455464 ; 455517 ;
Abstract
A radiotelephone system (100) includes a radiotelephone (102) and a central device (104) that communicate via radio frequency (RF) signals. The radiotelephone (102) includes a user interface (114) which permits the user to request a channel change by the central device. A signal is communicated to the user if a channel change is denied. A channel scan can be conducted by the radiotelephone to identify a new channel.