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| Number | Title | Issue Date |
| 6807168 | Method and system for providing data communication with a mobile station A teleservice server in a wireless network provides an interface between a mobile station and an Internet protocol network thereby facilitating data transfers between these elements. The server translates datagrams from the IP network into a format suitable for tran... | 10/19/2004 |
| 6778527 | Method and apparatus for data network call processing A method and apparatus for processing data network communication calls. A calling party device sends a call initiation request to a packet data network node from a computer. The request includes identifications of alternate calling party devices along with respectiv... | 08/17/2004 |
| 6611692 | Cordless cellular system A mobile station communicates with both a cellular network, by which it is assigned a mobile identification number, and to a cordless cellular base station utilizing the same cellular frequency range and communications protocol. The cordless cellular base... | 08/26/2003 |
| 6411807 | Roaming authorization system A roaming restriction system permits a wireless carrier or a subscriber to set a profile that identifies a chosen time window within which the subscriber's wireless calls that are originated from one or more selected roaming areas, are not allowed to be c... | 06/25/2002 |
| 6311053 | Calling party paid wireless telecommunication system A telecommunication network processes a telephone call from a calling party to a called party. The called party uses a wireless telephone that is associated with an MSC and has a MIN. The telecommunication network, responsive to the calling party dialing ... | 10/30/2001 |
| 5974311 | Method and apparatus for storing activation data in a cellular telephone A method and apparatus for programming a cellular telephone with activation parameters. A cellular telephone to be programmed is connected to a computer via a communications interface. A user input device is provided to allow a user to provide programming... | 10/26/1999 |
| 5950125 | Location-dependent cellular service profile Improved communication service methods operate in conjunction with a wireless communications network that includes a plurality of cells, microcells, and/or picocells. A user zone is defined as including one or more cells, microcells, picocells, and/or one... | 09/07/1999 |
| 5943375 | Method to indicate synchronization lock of a remote station with a base station A method for a wireless discrete tone communications system, synchronizes the remote station to the base station. The method begins with the step of generating a clock signal at the base station. The base station then derives a synchronization symbol patt... | 08/24/1999 |
| 5940740 | Method and apparatus for message transmission verification A method and apparatus improve the user friendliness of messaging systems. A message sender is requested to create a message ID which is used to identify a message being sent by the message sender. At some later time the message sender can query the messa... | 08/17/1999 |
| 5933421 | Method for frequency division duplex communications The high quality PCS communications are enabled in environments where adjacent PCS service bands operate with out-of-band harmonics that would otherwise interfere with the system's operation. The highly bandwidth-efficient communications method combines a... | 08/03/1999 |
| 5933778 | Method and apparatus for providing telecommunication services based on a subscriber profile updated by a personal information manager A subscriber enters personal information data into a personal information manager (PIM). The PIM, either automatically, or based on additional profile requests entered by the subscriber, generates profile update data associated with the personal informati... | 08/03/1999 |
| 5914981 | Method to indicate synchronization lock of a remote station with a base station for a discrete multitone spread spectrum communications system A method for a wireless discrete multitone spread spectrum communications system, synchronizes the remote station to the base station. The method begins with the step of generating a clock signal at the base station. The base station then derives a synchr... | 06/22/1999 |
| 5911120 | Wireless communication system having mobile stations establish a communication link through the base station without using a landline or regional cellular network and without a call in progress A mobile station communicates with both a cellular network, by which it is assigned a mobile identification number, and to a cordless cellular base station utilizing the same cellular frequency range and communications protocol. The cordless cellular base... | 06/08/1999 |
| 5909641 | Transmit/receive switch A transmit/receive switch includes a first quarter-wavelength transmission line coupled between an antenna port and a first variable impedance device. The first variable impedance device is coupled between the first quarter-wavelength transmission line an... | 06/01/1999 |
| 5907565 | Cyclic trellis coded modulation A universal method of trellis encoding signals mapped according to any signal constellation format involves constructing an encoder output table and a state transition table. The encoder output table defines the output symbol of an encoder given the input... | 05/25/1999 |
| 5907801 | Apparatus and method for optimizing wireless financial transactions Disclosed are methods for optimizing financial transaction processing when a conventional financial transaction processing terminal is used with a wireless transmission system. An adapter is used between the terminal and a wireless modem, such as a CDPD w... | 05/25/1999 |
| 5907577 | Delay compensation In a discrete tone system, a base station receives a transmission burst from a remote unit being installed that includes delay compensation pilot tones that are uniformly spread throughout the transmission bandwidth. The arrival time transmission burst is... | 05/25/1999 |
| 5905955 | Method for selecting a wireless service provider in a multi-service provider environment using a geographic database A communication device locates a wireless service provider in a multi-service provider environment by tuning to a first frequency band and receiving a geographic identifier from the service provider operating in the first frequency band. The received geog... | 05/18/1999 |
| 5903845 | Personal information manager for updating a telecommunication subscriber profile A subscriber enters personal information data into a personal information manager (PIM). The PIM, either automatically, or based on additional profile requests entered by the subscriber, generates profile update data associated with the personal informati... | 05/11/1999 |
| 5884300 | Inventory pipeline management system An inventory model and supporting process provides a full stream inventory management solution for the inventory that is normally present between the manufacturing and field consumption points. The model extends "just-in-time" principles to levels that su... | 03/16/1999 |
| 5875208 | Delay compensation in a discrete multitone spread spectrum communications system In a discrete multitone spread spectrum system, a base station receives a transmission burst from a remote unit being installed that includes delay compensation pilot tones that are uniformly spread throughout the transmission bandwidth. The arrival time ... | 02/23/1999 |
| 5875395 | Secure equipment automation using a personal base station A system and method for preventing unauthorized use of a remotely operated system, by using a sophisticated bi-directional verification schemes. The bi-directional verification schemes are based on random challenge and response between a mobile station an... | 02/23/1999 |
| 5875187 | TDMA messaging service microcell A cellular messaging network includes a switching controller connected to the wireless telephone network. One or more base station micro/picocell retransmitters are coupled to the switching controller. The base station micro/picocell transmitter uses simp... | 02/23/1999 |
| 5872814 | Method for linearization of RF transmission electronics using baseband pre-distortion in T/R compensation pilot signals An RF communications technique pre-distorts the signal in the baseband prior to its being applied to the RF transmitter, to avoid producing harmonics when the resultant signal is processed by the RF transmitter. Pilot tones are used to test the channels b... | 02/16/1999 |
| 5865503 | Armrest cradle for electronic communications handset A passenger seat armrest has a cradle cavity formed therein for removably securing an electronic communications handset such as a telephone. The electronic communications handset is held in the armrest so that it becomes part of the armrest when not in us... | 02/02/1999 |
| 5784417 | Cyclic trelles coded modulation A universal method of trellis encoding signals mapped according to any signal constellation format involves constructing an encoder output table and a state transition table. The encoder output table defines the output symbol of an encoder given the input... | 07/21/1998 |
| 5675590 | Cyclic trellis coded modulation A universal method of trellis encoding signals mapped according to any signal constellation format involves constructing an encoder output table and a state transition table. The encoder output table defines the output symbol of an encoder given the input... | 10/07/1997 |
| 5659578 | High rate Reed-Solomon concatenated trellis coded 16 star QAM system for transmission of data over cellular mobile radio A cellular communication system provides for trellis encoding/decoding of a 16 Star QAM signal. The system includes a transmitter circuit and a receiver circuit. The transmitter circuit has a Reed-Solomon encoder, an outer interleaver circuit for spreadin... | 08/19/1997 |
| 5641141 | Antenna mounting system An antenna assembly comprising a pole and an antenna mounting apparatus. The antenna mounting apparatus is comprised of at least one sleeve which is configured to be mounted on the pole. Advantageously, the sleeve includes three antenna mounting members w... | 06/24/1997 |
