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7180427 |
Information system
An information system for supplying a predetermined region with information includes a transmitter for transmitting information in digitally coded form and a hand-held device. The hand-held device...
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7174177 |
System and method for providing indication of maximum teleservice payload size in a wireless communication network
A system and method for providing improved teleservice messaging to a mobile station in a wireless communication network are disclosed. In preferred embodiments, an indication is provided to a...
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7158802 |
Method and apparatus for providing a highly reliable ACK/NACK for time division duplex (TDD) and frequency division duplex (FDD)
An ACK/NACK method and system for use in time division duplex (TDD) and frequency division duplex (FDD) systems. In high speed downlink packet access (HSDPA), based on the assignment of timeslots...
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7023832 |
Paging system with spacial, frequency and time diversity
A highly reliable radio paging system with a combination of time, frequency and spacial diversity in order to increase the reliability of the system. Time diversity is provided by broadcasting the...
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6928293 |
Apparatus and method for receiving quick paging message in mobile station
An apparatus and method for receiving a quick paging message in a mobile station wherein a controller for synchronizing with a second clock in a predetermined time slot and transmitting a command...
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6720864 |
Wireless on-call communication system for management of on-call messaging and method therefor
A wireless communication device ( 32 ) within a wireless on-call communication system ( 10 ) includes a device receiver ( 92 ) for receiving an on-call message ( 36 ), a device processor ( 98 )...
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6711246 |
System and method for creating a page usage record
A method of creating a page usage record is provided. An input signal is received. A page usage record is created in response to the input signal. An event jacket is created. The event jacket is...
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6696921 |
Transmitting and receiving devices and methods for transmitting data to and receiving data from a communications system
In one aspect, the present invention provides a transmitting and receiving device and method for transmitting data to and receiving data from a communications system. In one embodiment, the method...
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6674357 |
Informational messages display system for mass transit systems and method for same
An apparatus ( 10 ) for displaying informational messages communicated by wireless apparatus to selected ones of a plurality of display devices ( 16 ) and displayed in a sequence of such...
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6622011 |
Paging
An improved paging procedure for use in a low power radio communications network. A transceiver which pages a device by periodically transmitting a series of messages, comprises a transmitter...
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6621409 |
Pager capable of en bloc display of a set of messages
If a received signal includes a message signal following the address of the pager concerned, a decoder section decodes the message signal and a control section stores it in a memory section...
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6608557 |
Systems and methods for transmitting signals to a central station
Systems, structures, and methods are provided to transmit signals from a detection system to a central station. The described embodiments use an enhanced wireless system to send a message to alert...
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6597890 |
Method and apparatus for providing additional information to a selective call device about a broadcast
A technique is used in a selective call communication system ( 100 ) and in a broadcast communication system ( 106 ) to provide additional information about a broadcast to a selective call device (...
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6597280 |
Method of disseminating value-added data
A method for disseminating value-added information is described, starting from known radio paging services in which on one or more frequencies, by means of an address code which establishes the...
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6515577 |
Channel monitoring by a multichannel selective call receiver
A multichannel selective call receiver ( 10 ) includes-a receiver ( 11 ), a controller ( 16 ), a baud detector ( 17 ) and a memory ( 18 ). The controller is adapted to control the receiver in...
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6477381 |
Selective call receiver and method for detecting mandatory frames of a channel protocol
A communication device ( 1 ) comprising a receiver ( 2 ) for receiving coded messages transmitted on one or more channels. There is a micro-processor ( 13 ), in communication with the receiver ( 2...
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6472974 |
Selective call system
A selective call system comprising a primary station ( 10 ) and a plurality of secondary stations ( 12 ), such as paging receivers, has provision for the primary station sending to a predetermined...
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6459686 |
Multichannel selective call receiver
A pager ( 20 ) for operating within the communication environment of a cyclical frame based synchronous selective call system. The pager ( 20 ) has a receiver ( 22 ) for receiving selective call...
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6459359 |
Communication apparatus capable of displaying the number of unconfirmed messages
A communication apparatus of the present invention includes a message storage and an unconfirmed message number storage. When the apparatus receives a radio signal, a message contained in the radio...
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6441720 |
Message transmission to external unit in radio apparatus
A selective call radio receiver with an external connection function, includes a connection section, a normal message storage section, a transfer message storage section and a control section. The...
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6396411 |
Reliable and fast frame synchronization scheme for flex paging protocol
A method and apparatus that utilizes soft outputs from a paging device demodulator to perform frame synchronization is provided. The soft outputs are summed after being correlated to a first...
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6337972 |
Melodic alerts for communications device
A point-to-point communications device (SS) which is capable of generating melodic alerts, each alert being generated using numeric data in a received message. The device includes a controller ( 36...
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6335676 |
Radio selective call receiver
In a selective calling system where a selective calling signal is changeable in transmission rate, a radio selective call receiver includes first and second low-pass filters which are selectively...
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6323754 |
Two-way telecommunications system
A two-way telecommunications system includes a primary station (10, 14, 16) and a secondary station (18, 20). The primary station is arranged for transmitting on a downlink a data message together...
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6300864 |
Method for transmitting and receiving address information within a communication system
The first frame of a paging slot (405) contains a portion of every page's (401-404) address. Likewise, the second, third, and fourth frames of the slot (405) contain a second, third, and fourth...
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6175557 |
Layer 2 protocol in a cellular communication system
A method for transmitting messages using an efficient communications link protocol over an air interface of a cellular communications system is disclosed. A frame in the protocol is divided into a...
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6157816 |
Method of increasing battery life in mobile communications devices which use paging channel displacement
A mobile communications device such as a pager or a cellular telephone enters a low power state more promptly than under TIA/EIA/IS-136 standards when an incoming message is pending for the device...
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6144839 |
Alphanumeric paging system
An apparatus and method provide a database in a pager that contains menus that may be displayed on a pager display. A paging service sends a page including an identification to the pager. The pager...
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6144653 |
Method for communicating in a wireless communication system
A communications system in which information is transmitted in a plurality of time slots grouped into a plurality of superframes which are, in turn, grouped into a plurality of paging frames. A...
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6125277 |
Cordless telephone containing a protocol converting circuit to connect to digital exchanges having different protocols
There is provided a cordless telephone which can be connected to any one of digital exchanges of different protocols. A main unit of the cordless telephone is provided with a memory for storing a...
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6125263 |
Radio paging receiver and method for receiving non-standard radio paging signal
A radio paging receiver (pager) and method for receiving a non-standard radio paging signal including a relatively short burst of preamble data. If a non-standard radio paging signal is received,...
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6111865 |
Dual channel slotted paging
A novel and improved method and system for paging a cellular telephone or other wireless terminal using two paging channels that reduces standby mode power consumption described. In one embodiment...
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6094146 |
Method of, and communication system for, sending messages
A method of transmitting messages in a communication system including a primary station and at least one secondary station, the secondary station being identifiable by an address code word, the...
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6078267 |
Method of determining the number of times a pager has been paged and a pager having such a function
In order to estimate the number of message transmissions dispatched to a radio pager wherein messages transmitted are sequentially numbered, a transmitted signal is acquired which has been found to...
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6064317 |
Data communication system and data communication terminal applied thereto
A communication system is designed to exchange messages between a plurality of paging receivers each having a transmission section. One of the paging receivers transmits a question message and a...
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6055413 |
System and method for including origination time and update lifetime with updateable messages
An updateable message encoder/transmitter (100) has a processor (109) for encoding messages and message updates. A message includes an origination time (191), a version number (410) and an update...
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6054933 |
Pager with handwritten input transmitted as audible DTMF tones
A pager has an input unit, a signal generating unit, a conversion unit, a receiving unit and a display unit. The input unit reads information input by handwriting as image data. The signal...
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6047164 |
Method for controlling the signals of an ERMES pager
A RF-signal controlling method applied for controlling the operation of a pager in an ERMES system is disclosed. By such a method, the pagers can establish a synchronization link with the base...
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6041217 |
Personal handyphone system hardware checking of broadcasting reception indication
A circuit arrangement on a handset for monitoring changes in the system parameters of a personal handyphone system by hardware checking the broadcasting reception indication (BRI) pattern. The...
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6021321 |
Selectively called wireless receiver with plural character set storage unit
A wireless unit of a selectively called wireless receiver receives a wireless signal so as to decode the received wireless signal containing a selectively calling signal having a calling number, a...
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6009310 |
Radio selective calling receiver using diversity reception
A radio selective calling receiver includes a field strength detection unit for detecting a received field strength, a first time diversity processing section for performing time diversity...
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6005885 |
Methodology for discontinuous radio reception utilizing embedded frame length words
A radio receiver for direct sequence spread spectrum radio frequency (RF) signals is provided which discontinues radio reception when it is recognized that a received signal is intended for another...
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5977881 |
Radio selective calling receiver having battery saving function
A radio selective calling receiver has a function of causing a reception section for receiving a transmitted radio signal to intermittently receive the radio signal by intermittently supplying a...
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5974034 |
System and method for synchronized wide and local area communications utilizing a single frequency
A system and a method provide a communication network using time-division multiplexing and a single frequency to achieve maximum utilization of the spectrum and the available bandwidth. In one...
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5966113 |
Receiving terminal with a message display function
A pager comprises a receiving section for receiving message data, an LCD for displaying the message based on the message data, and a memory for storing the format No. contained in the format code...
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5960325 |
Method and apparatus for conserving energy in a radio communication system
A radio communication system (5) includes transmitting unit (1) coupled to at least one controller (6). The controller (6) is adapted to combine message intervals (208) into a plurality of...
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5937357 |
Network comprising base stations for selectivity calling mobile units by call radio signals of different bit rates in phase coincidence
For selective call of mobile units operable at different bit rates, a central station announces a launch start instant of each signal frame to a plurality of base stations based on phase coincident...
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5936546 |
Variable format radio pager having power saving mode during binary code transmission
A radio pager includes a waveshaper for shaping a baseband signal recovered from a demodulated variable format paging signal into a binary signal. A/D conversion and symbol decision circuitry...
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5929773 |
Selective call device and method for battery saving during information services
A selective call device (130) has a receiver (204) for receiving a selective call signal including an address (312) and a topic sub-address (504) indicative of a subscribed information, a processor...
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5929772 |
Data processing device and method for use in a paging receiver
A data processing device of a paging receiver having a controller for analyzing decoded paging data and for performing a paging function, wherein address data and message data of all frames are...
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