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. 26, 1998
Filed:
Jan. 11, 1996
Laurence A La Fratta, Lynchburg, VA (US);
Ericsson Inc., Research Triangle Park, NC (US);
Abstract
In a digitally trunked radio repeating system that includes several radio repeating transceiver sites linked by a multisite switch, a method for locating a mobile radio when two or more of the sites report having the mobile radio in their site area. When a site reports to the multisite switch that a mobile radio has newly entered the area for the site, the switch broadcasts communications from the mobile radio to two or more sites during a prescribed period of time. If no other site reports receiving a message from the mobile radio during the prescribed period, the radio is logged out of its former site and broadcasts to the radio are only made from the new site. If two or more sites report having the mobile radio in their areas within the prescribed period, a polling method is executed where each of the sites reporting messages from the mobile radio transmits in sequence a command for the mobile radio to respond. The site that first receives a response from the mobile radio to its polling message will log the mobile radio into its site. The mobile radio is then logged out of all other sites.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile