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Showing 1 to 20 of 413 results

PATENT /PUB No. Country Patent Title Patent Owner Filing Date Issue/Pub Date Status
6370520 US System and method employing last occurrence and sliding window technique for determining a minimum and maximum value Nov 15, 1999 Apr 9, 2002 Expired
6526134 US CALL SET-UP BY AN INTELLIGENT NETWORK Jul 8, 1999 Feb 25, 2003 Expired
5543721 US METHOD AND DEVICE FOR EXTENDING THE DYNAMIC RANGE IN MEASUREMENTS CARRIED OUT WITH A DIRECTIONAL COUPLER Jun 9, 1994 Aug 6, 1996 In Force
5450472 US METHOD FOR HANDLING OF A CALL COMING TO A TERMINAL EQUIPMENT IN A DIGITAL TRANSMISSION SYSTEM, AND A MOBILE TELEPHONE Oct 24, 1994 Sep 12, 1995 In Force
6529572 US NETWORK INDEPENDENT CLOCKING IN A TELECOMMUNICATION SYSTEM Apr 5, 1999 Mar 4, 2003 Expired
6681123 US BASE STATION FOR EXTENDED SERVICES Jun 3, 1999 Jan 20, 2004 Expired
6052575 US A RADIO SYSTEM REALIZING A WIRELESS SUBSCRIBER INTERFACE, AND A SUBSCRIBER STATION Feb 9, 1998 Apr 18, 2000 Expired
6208961 US A SPEECH DECODING METHOD AND A SPEECH DECODER Nov 7, 1997 Mar 27, 2001 Expired
6121759 US SWITCHED-MODE POWER SUPPLY ARRANGEMENT Nov 3, 1998 Sep 19, 2000 Expired
5561840 US LOCATION UPDATING IN A CELLULAR RADIO NETWORK Jun 9, 1994 Oct 1, 1996 Expired
6144936 US METHOD FOR SUBSTITUTING BAD SPEECH FRAMES IN A DIGITAL COMMUNICATION SYSTEM Aug 11, 1997 Nov 7, 2000 In Force
6023740 US HANDLING INTERRUPTS IN A SYNCHRONOUS ENVIRONMENT Jan 8, 1998 Feb 8, 2000 Expired
6161085 US METHOD AND ARRANGEMENT FOR ADDING A NEW SPEECH ENCODING METHOD TO AN EXISTING TELECOMMUNICATION SYSTEM Oct 9, 1998 Dec 12, 2000 Expired
5974326 US System and method for channel allocation in a radio telephone system for an underground railway Aug 6, 1997 Oct 26, 1999 Expired
5479481 US METHOD FOR UPDATING SUBSCRIBER DATA IN A CELLULAR RADIO SYSTEM AND A CELLULAR RADIO SYSTEM Mar 31, 1994 Dec 26, 1995 In Force
6308071 US MONITORING TRAFFIC IN A MOBILE COMMUNICATION NETWORK Jul 30, 1999 Oct 23, 2001 In Force
6137357 US METHOD FOR ADJUSTING POWER OF TRANSMITTER, AND CONTROL ARRANGEMENT Mar 26, 1999 Oct 24, 2000 Expired
6505206 US Method for implementing an associative memory based on a digital trie structure Sep 3, 1999 Jan 7, 2003 Expired
6351641 US PAGING OF MOBILE STATION IN A CELLULAR RADIO SYSTEM Jul 23, 1999 Feb 26, 2002 Expired
6047051 US Implementation of charging in a telecommunications system Jun 24, 1997 Apr 4, 2000 In Force

Showing 1 to 20 of 413 results

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