Patent ID: 6161025
Filing Date: 2000-12-12
Classification: H04M

Abstract:
A processing circuit combined with a mobile telephone to provide a directory and schedule calendar, said processing circuit comprising:an LCD display;a central processor having an output coupled to said LCD display;a random access memory circuit coupled to said central processor for storing telephone directory data therein, said random access memory circuit having a backup battery for maintaining said stored telephone directory data, said random access memory circuit having a plurality of predefined storage areas respectively corresponding to a plurality of telephone directory classifications, said central processor including means for reading said telephone data from said random access memory circuit;a port for connecting an external computing device coupled to said central processor for input of said telephone directory data from the external computing device;a conversion and detection circuit coupled between said port and said central processor for detecting signals from said port and transforming a level thereof to a level compatible with said central processor; and,a telecommunication receiving circuit having a digital data output coupled to said central processor for transferring a telephone number of a calling party to the central processor;said central processor including means for comparing the transferred telephone number with said stored telephone directory data, said comparing means outputting a name associated with the telephone number to said LCD display responsive to a match being found in said random access memory circuit and outputting the telephone number to the LCD display responsive to a failure to find a match in said random access memory circuit.