Patent ReferencesPortable radiotelephone with control switch disabling Multipurpose hinge apparatus for foldable telephones Voice activated dialing apparatus Automated vending of cellular hand-held telephones and cellular telephone services Telephone apparatus with voice activated dialing function Multiposition detenting hinge apparatus Method and apparatus for providing telepoint to telepoint calling between pager equipped handsets Cellular telephone with pager Method of voice activated telephone dialing Method for recognizing a spoken word in the presence of interfering speech InventorsApplicationNo. 337050 filed on 06/21/1999US Classes:455/406, Billing455/405, Usage measurement455/411, Privacy, lock-out, or authentication455/558, Card control element455/563Having voice recognition or synthesizationExaminersPrimary: Maung, NayAssistant: Gary, Erika A. Attorney, Agent or FirmForeign Patent References
International ClassH04M 011/00AbstractA keyless portable cellular phone system is provided, wherein matched sets of algorithmically generated communication units are generated, each communication unit pair defining a discrete time increment of authorized communication. One set is stored on a system server (i.e. a service provider), and the pre-paid set is available for use within a keyless portable cellular phone. The phone, normally non-activated, automatically contacts the system server upon selective activation by the user, to initiate a call (outgoing or incoming). A voice recognition system allows the user to place calls and/or receive calls. During a call, the keyless portable cellular phone periodically sends the sequential discrete airtime communication units, having unique identifiers (i.e. encryption), whereby the system server allows pre-paid authorized access to time increments of system services, such as communication, based upon the receipt of the matching, uniquely identified, sequential discrete airtime communication units. The phone typically has either an internal energy supply and storage for pre-paid communication units, or a removable airtime cartridge, typically containing an energy supply and either the ability to store or to generate a set of pre-paid single use airtime communication units. | |