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5953638 |
Method and system for affinity termination of calls
The present invention is directed to affinity termination of telephone calls. The preferred embodiment of the present invention is a telephone switch which can be configured to terminate unanswered...
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5950122 |
Technique for providing feature information in a personal mobile communication system
A method for use in completing a caller's telephone call that is placed to the telephone number of a called party, comprises the steps of receiving the caller's call, in response to which selecting...
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5950120 |
Apparatus and method for shutdown of wireless communications mobile station with multiple clocks
The present invention presents a mobile station of a wireless communications system such that when the mobile station is in idle mode (i.e., listening to a paging channel periodically, but...
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5943425 |
Re-authentication procedure for over-the-air activation
A method and system for providing OTA during the service origination call, wherein the mobile station performs an authentication procedure in response to a re-authentication message received, using...
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5940764 |
PHS terminal disabling system
It is an object of the present invention to realize a PHS terminal disabling system which can improve the recovery rate of lent PHS terminals. The PHS terminal disabling system includes a PHS...
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5937343 |
Method and system for updating replicated databases in a telecommunication network system
A method and system of the present invention updates a replicated database of a telecommunications network system. A call transport system forwards calls from a local telephone station to a...
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5930245 |
Radio telephone apparatus for performing space diversity reception to communicate with base stations in a TDMA radio communication system
A radio telephone apparatus for performing space diversity reception to communicate with base stations in a TDMA radio communication system under an operating condition in which a frame period...
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5926754 |
Directory assistance call processing systems and related methods
In a telecommunications switching system, after a non-published listing has been located in response to a request from a calling customer station and after the calling customer has been qualified,...
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5924026 |
Exchange of system and terminal capabilities over the same analog control channel
A method for exchanging protocol support information between a base station and a mobile station over an analog control channel. The method includes a first step of transmitting from a base station...
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5923761 |
Single chip solution for multimedia GSM mobile station systems
According to the present invention, a single chip semiconductor devices is provided. In one version of the invention, a single chip CMOS technology architecture is used to implement all or various...
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5923705 |
UART based autobauding without data loss
The cellular telephone includes a universal asynchronous receive and transmit (UART) chip for receiving data in a serial format from an external source, such as a laptop computer, and for...
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5918185 |
Telecommunications terminal for noisy environments
A wireless terminal is disclosed comprising a first electro-acoustic transducer for converting a first acoustic signal to an uplink signal; a wireless transmitter capable of transmitting the uplink...
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5915215 |
Private cellular telephone system
In a more economical system for connecting cellular mobile telephone terminals to wire lines, a stand-alone base station comprising modular transceivers alternately tunable to the base station...
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5914668 |
Wireless terminal controlled mobility operational parameters
Allowing a user of a wireless terminal to control the mobility operational parameters when desired by the user. The user enters parameter selection information into the wireless terminal; and the...
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5907800 |
Apparatus for use in inhibiting telecommunication subscriber termination
The present invention provides an apparatus for detecting potential subscriber dissatisfaction and preventing termination by subscribers of telecommunication services providers. One embodiment of...
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5907418 |
Apparatus for infrared channel and method therefor
An infrared channel includes an IR transmitter circuit (302) and an IR receiver circuit (304). The transmitter circuit encodes data packets (400) which include a precursor segment, a...
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5905964 |
Portable communication apparatus
A portable communication apparatus which can provide a short cut function with improved useability is provided. When numerical or literal information is input to cause a cursor to move at a jump, a...
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5896567 |
Telephone system having disconnection information outputting function
A wireless telephone system including a communication controlling unit for performing the line connection and line disconnection between personal stations, a timer setting unit for setting a timer...
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5890073 |
Mobile terminal capable of sending communication mode signals and a method thereof
A mobile terminal communicable with a public switched network through a stationary radio station over a radio channel includes a telephone network effecting audible, telephonic conversation over...
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5890071 |
Radio telephone set with broadcast receiving functions
In response to a reception of a incoming signal by a receiver during operation of a turner circuit, a controller shifts a changeover switch and at the same time cause a ringing tone generator to...
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5890061 |
Vehicular emergency message system with call restriction defeating
A vehicle user can request emergency or roadside assistance from a response center by activating a button in the vehicle. The global positioning system is used to continuously store the vehicle...
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5889509 |
Communications terminal apparatus and display method thereof
A communications terminal apparatus and display method thereof to make the user aware of the operational state of a portable telephone thus preventing the malfunctions of and damages caused by the...
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5884162 |
1×N communication system for private branch exchange
A press-talk trunk is a communication system receives press-talk signals from voice terminals having press-talk switches. In one aspect of the invention, the press-talk trunk is scanned by a...
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5881133 |
Method for correcting communications errors when communicating with a voice response unit over a cellular telephone network
This invention includes a voice response unit that communicates rapidly and directly with a system with minimum human intervention and minimizes the number of retransmissions of information due to...
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5875244 |
Transmission apparatus for relaying different types of trunk signals
A transmission apparatus for relaying different types of trunk signals, including a central processing unit including a reception counter processor which is inserted between a pair of exchanges and...
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5859970 |
Portable computer with internal ethernet/token ring controller
A portable electronic device including a portable housing; electronic circuitry within the housing, the electronic circuitry being operable to perform functions independent of and in combination...
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5854978 |
Remotely programmable mobile terminal
A telephone system including mobile telephonic stations provides for a remote programming of the telephones of respective ones of the mobile stations upon an indication from each of the respective...
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5852774 |
Sidetone level reduction circuit and method
A sidetone level reduction circuit for reducing the sidetone level in digital cordless telephones incorporating continuously variable slope delta modulator/demodulator (CVSD) digital to analog...
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5852773 |
PSTN transaction processing network employing wireless concentrator/controller
A business transaction network including a wireless communication link for coupling a plurality of card transaction terminals to a host computer through a limited number of lines connected to the...
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5850572 |
Error-tolerant video display subsystem
A Video Display FIFO includes a circular buffer and counters that allow the FIFO to properly recover from data alignment problems caused by FIFO underflow. A pair of counters store read and write...
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5848356 |
Method for implementing icons in a radio communication device
The unique method for implementing icons in a radio communication device (103) which provides a plurality of radio communication services such as radiotelephone, facsimile and electronic mail...
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5848129 |
Electronic billboard with telephone call-in control
A conventional billboard for displaying a visual message is combined with a communication system for enabling a message related to the message displayed by the billboard to be transmitted from the...
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5848098 |
Personal base station extension calling arrangement
A base station includes a digital signal processor, the base station operable to communicate with at least first and second wireless terminals using compressed digital signals modulated onto a...
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5844868 |
Digital-analog shared circuit in dual mode radio equipment
A digital-analog shared circuit in dual mode radio equipment, which shares a local oscillator in a digital mode and analog mode. A first frequency synthesizer generates a first and a second local...
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5842138 |
Configuration-independent methods and apparatus for software communication in a cellular network
A configuration-independent software architecture for implementing a cellular communication network that facilitates communication among a plurality of cellular handsets. The architecture includes...
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5842122 |
Apparatus and method for alternative radiotelephone system selection
A dual mode cellular cordless portable radiotelephone preferentially selects the cordless base station over the cellular system when in range of the cordless base station. When the cordless...
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5841854 |
Wireless telephone integration system and method for call centers and workgroups
A system and method for automatic call distribution targeting users in workgroups wherein the users utilize either wired or wireless communications tools. Users are chosen via a rule-based...
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5825873 |
Interface for providing call control for a headset attached to a telephone providing call control for a headset attached to a telephone
A host telephone is connected by an interface to an accessory item. The accessory item is, for example, a cordless headset, a headset amplifier, a remote telephone dialing device, a cordless...
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5822318 |
Method and apparatus for controlling power in a variable rate communication system
A method and apparatus for controlling transmission power in a variable rate communication system is disclosed. The method disclosed provides for a closed loop power control method. A first remote...
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5819173 |
Dynamically reconfigurable wireless communicator
A method and apparatus is provided for communicating on a wireless network which offers a selected service. In accordance with the method, a wireless communicator is tuned to a first signaling...
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5818825 |
Method and apparatus for assigning communications channels in a cable telephony system
A method and apparatus in a communications system (100) for providing communications units (134) access to the communications system (100). The communications system (100) includes a cable...
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5812945 |
Metered payment cellular telephone communication system
This invention overcomes the disadvantages of the prior art by providing a cellular telephone metering systems that allows phone calls to be made as long as sufficient funds or call units reside in...
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5812944 |
Mobile speech level reduction circuit responsive to base transmitted signal
In a mobile radio communication system where a base station is connected to a public switched telephone network, a hybrid unit and an echo canceler are provided in the base station. A mobile...
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5809414 |
User out-of-range indication for digital wireless systems
A system for notifying users of digital wireless communications that a mobile unit is moving out of range and communication is about to be lost. The system inserts an audible indication as the...
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5802471 |
Mobile communication system, automatic call receiving method, and mobile station
This invention provides a mobile communication system in which a call-incoming side can switch a communication line to an appropriate one which corresponds to a communication type requested by a...
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5802177 |
Apparatus for radio local loop system
Apparatus for a radio local loop for a telecommunications system, such as a base station (1) or a subscriber station (2), comprises a first unit (4, 13), which includes call processing and speech...
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5797089 |
Personal communications terminal having switches which independently energize a mobile telephone and a personal digital assistant
A personal communications terminal (PCT) in a case having a first half hingedly connected to a second half. The PCT operates in an open and a closed position and comprises a mobile telephone unit...
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5794139 |
Automatic generation of private authentication key for wireless communication systems
Apparatus and method for automatically generating an authentication key (A-Key) in a mobile station wherein the mobile station periodically receives random numbers from a base station, and...
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5784442 |
System and method for real-time billing in a radio telecommunications network
A system and method for providing real-time billing (RTB) information to mobile subscribers operating mobile stations in a radio telecommunications network and involved in a call in which at least...
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5781860 |
Method for controlling subscriber stations in a radio-telecommunications system
In a radiotelecommunications system where some of the subscriber stations are able to communication with one another on a direct mode channel, to direct subscriber stations to one and the same...
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