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| Number | Title | Issue Date |
| 8150334 | Methods and apparatus for push to talk type service A method and server for establishing a push to talk type service such as push to talk over cellular (PoC). The server receives a message from Client A indicating one or more media types that Client A will accept in defined circumstances in a push to talk type sessio... | 04/03/2012 |
| 8107894 | Modular solid-state millimeter wave (MMW) RF power source A modular solid-state MMW power source based on a topology of the lens array amplifier provides both the flexibility to scale output power and effective thermal management. The modular power source includes a single submodule that uses one or more power dividers and... | 01/31/2012 |
| 8103223 | Cellular communication device with wireless pointing device function A device includes a first wireless transceiver adapted to communicate over a cellular network, a second wireless transceiver adapted to communicate over a local network separate from the cellular network, and a mechanism adapted to report movement information to a c... | 01/24/2012 |
| 8095081 | Device and method for hands-free push-to-talk functionality A device for hands-free push-to-talk functionality may include a push-to-talk sensor or switch operable by at least one of a preset audible signal, a predetermined movement of the sensor or switch, air pressure or the like. The device may also include means to contr... | 01/10/2012 |
| 8081933 | Reconfigurable aircraft radio communications system A reconfigurable radio communications system is disclosed. The system comprises a digital data bus, a control bus, and first and second reconfigurable radio communication units responsive to the digital data bus and the control bus. Each of the first and second reco... | 12/20/2011 |
| 8078120 | Citizens band radio with wireless cellular telephone connectivity A wireless communication device for use in connection with a cellular telephone is disclosed and a transceiver radio such as a citizens band radio. The wireless communication device of the present invention provides enhanced audio broadcasting capabilities for an op... | 12/13/2011 |
| 8073403 | Apparatus, and associated method, for facilitating formation of an apparent push-to-talk communication connection Apparatus, and an associated method, for facilitating formation of an apparent push-to-talk communication session connection at a mobile station operable in a conventional cellular communication system. Upon initiation of push-to-talk operation, a user of the mobile... | 12/06/2011 |
| 8041313 | System and method for wireless communications A system and method for wirelessly communicating using beamswitching is provided. A communications system includes a high-power signal cable coupled to a signal amplifier, a radio frequency circuit coupled to the high-power signal cable, and a control unit coupled t... | 10/18/2011 |
| 8041312 | Information guidance service system, information guidance providing device, information guidance service method, and recording medium An information guidance service system according to the present invention provides a user terminal with information on a facility in use. The information guidance service system includes the user terminal having a push-to-talk over cellular (PoC) function of perform... | 10/18/2011 |
| 8036608 | Apparatus and method providing push to talk over cellular (PoC) dynamic service options An apparatus and method for providing dynamic Push To over Cellular, PoC, service options in a wireless communication network. Service options and terminal capabilities for PoC Clients (11, 15) are stored in the network, preferably in a PoC Server (13)... | 10/11/2011 |
| 7995974 | Method and apparatus for revoking a talk burst An embodiment of the present invention discloses a method for revoking a talk burst, which includes: entering a pending release state by a talk burst after a client having the talk burst releases the talk burst initiatively; monitoring a duration of the talk burst i... | 08/09/2011 |
| 7962106 | Radio with a key and knob combination The present invention relates to a radio with a key and knob combination. To solve problems such as inconvenience caused by the independent PTT key and volume control knob on the traditional radios, the present invention provides a radio with a key and knob combinat... | 06/14/2011 |
| 7933563 | Communication system, communication terminal, server, communication method to be used therein and program therefor Terminals 1 and 2-1 to 2-n refer to information on the state of the terminals 1 and 2-1 to 2-n and a user to add functions for modifying the operation of the terminal and processing data thereby a... | 04/26/2011 |
| 7907918 | Portable terminal device, display method for list of participants used therein, and program for the same A participant list display method is provided in which, when referring to status and details of a participant with many utterances, it is possible to reduce effort required in page turning or scrolling operations. In step S1 a mobile telephone performs uttera... | 03/15/2011 |
| 7885615 | Push-to-talk handling in a dual processor environment In a push-to-talk device having two processors where one of the processors is a radio chip and one of the processors is a microprocessor, a method and apparatus for synchronizing the microprocessor and the radio chip includes the steps of checking the status of a ra... | 02/08/2011 |
| 7856213 | Method, system, and device for specifying selective override of do-not-disturb functionality The present invention provides methods, systems, and devices for selective override of do-not-disturb in a wireless communications network, in which a user is provided with the option to query and modify the ignoring of do-not-disturb (DnD) for certain reasons. In s... | 12/21/2010 |
| 7840192 | Method, system, and device for provisioned talkgroup identifier discovery A method, system, and user device are provided for provisioned talkgroup identifier discovery in a dispatch or similar network, in which a user is provided with a list of talkgroups provisioned for the user device. In some embodiments a new request message sent from... | 11/23/2010 |
| 7831217 | Method and apparatus to provide digital signaling without internal modification of analog FM transceiver An external speaker/microphone apparatus for a radio transceiver includes a speaker, a microphone, a push-to-talk switch, and an emergency switch. The apparatus further includes an encoder module operatively coupled to the push-to-talk switch and the emergency switc... | 11/09/2010 |
| 7826805 | Automatic-switching wireless communication device A base unit and a handset comprise a wireless part, a control part, and a transmission (151) and reception part (150), respectively. Communications are switched by either of the two ways: PTT switching and tone generation in the base unit, and tone det... | 11/02/2010 |
| 7801494 | Method for PoC server to handle PoC caller preferences A Push-to-X over Cellular (PoC) server (351) receives a server registration message (301) for a first called device from a second server. The PoC server (351) receives a PoC invitation message (310) with PoC preferences and a message (... | 09/21/2010 |
| 7792499 | Wireless communications system The present invention provides a wireless communications system comprising a first radio transceiver configured to communicate on a first radio channel, a second radio transceiver configured to communicate on a second radio channel, a first base transceiver unit (BT... | 09/07/2010 |
| 7680465 | Sound enhancement for audio devices based on user-specific audio processing parameters Various embodiments are disclosed relating to sound enhancement for wireless audio devices. A technique may include determining one or more user-specific audio processing parameters, receiving an RF signal from a first wireless device, demodulating the received RF s... | 03/16/2010 |
| 7668515 | Portable telephone for conveying real time walkie-talkie streaming audio-video A communications device having a display and an integral camera and being provided with a walkie-talkie mode for conveying real time streaming audio-video to one or more receiving devices. ... | 02/23/2010 |
| 7590391 | Digital intermediate frequency transmitter for wireless communication A digital intermediate frequency transmitter for a wireless communication is disclosed. In accordance with the present invention, an improvement of a modulation quality such as an EVM, a linearity and a power consumption is possible, and a main characteristic of a w... | 09/15/2009 |
| 7460838 | Control station, a wireless communication system and a wireless communication method A radio communication system by which an additional terminal can be easily registered to group information to set up radio communication between particular terminals, and a new user can conduct radio communication in a short period of time. When a group application ... | 12/02/2008 |
| 7454177 | Wireless communication device with enhanced feature set An multi-position wireless communication device comprises a first housing portion and a second housing portion. The second housing portion is capable of being arranged in a first closed position relative to the first housing portion and in a second open position rel... | 11/18/2008 |
| 7437170 | System and method for efficient push-to-talk communications A system and method are provided for efficient push-to-talk (PTT) communications in a cellular network of wireless telephones. The method comprises the steps of: receiving a PTT session initiation in a cellular wireless telephone network; identifying a plurality of ... | 10/14/2008 |
| 7437171 | System and method for long distance dispatch calling restrictions A method and system for long distance dispatch calling restrictions are provided. A user who does not subscribe to long distance dispatch services can make a long distance dispatch call to the originator of the last received dispatch call within a predetermined peri... | 10/14/2008 |
| 7433719 | Handheld electronic device and keypad having tactile features An improved handheld electronic device and keypad include tactile features that help a user to identify certain keys of the keypad. In the present exemplary embodiment, the keypad includes keys in a predetermined region that can be employed during a telephone operat... | 10/07/2008 |
| 7433715 | Mobile station for telecommunications system A mobile telecommunications system has a handset and a headset for connection to the handset. The handset includes an RF transceiver for transmitting an outgoing call and receiving an incoming call, and a processor coupled to the RF transceiver that provides audio s... | 10/07/2008 |
| 7428422 | Method and system for setting application settings for a push-to-talk service A Multimedia system and a method in a Multimedia system where a first user with user equipment (1) uses a Push to talk service (PTT) to communicate with at least one second subscriber's user equipment (2) using said Push to talk service (PTT), wherein ... | 09/23/2008 |
| 7426405 | Battery pack of a mobile communication terminal and connector for connecting the battery pack with the terminal A battery pack device with circuits for supporting additional functions such as a Karaoke function, a disease diagnosing function, and a skin beauty care function, and adapted to be detachably coupled to a mobile communication terminal, so as to perform the addition... | 09/16/2008 |
| 7424312 | Interface system for an accessory and a communication device A configurable interface system (100) couples an accessory (102) to a communication device (104). The interface system utilizes a memory device (120) embedded in the accessory (102) that stores physical configuration and event mapp... | 09/09/2008 |
| 7415284 | Methods of transmitting a message to a message server in a push-to-talk network In a push-to-talk communications network, a method of transmitting a message from a sending device to a set of receiving devices is disclosed. The method includes selecting the set of receiving devices from a contact list on the sending device, such that each of the... | 08/19/2008 |
| 7412214 | Radio input device A radio input device includes a holding part to be held by an operator; an operation part to be operated by the operator; a transmission part transmitting radio waves from an antenna according to the operation of the operation part; and a blocking part avoiding infl... | 08/12/2008 |
| 7412226 | Push-to-locate wireless communication device and method of use A wireless communication device for geographically locating a second wireless communication device includes a housing; a push-to-locate activation mechanism configured to detect selection of a target number corresponding to the second wireless communication device a... | 08/12/2008 |
| 7406339 | On-chip detection circuit off-chip mechanical switch's open and close actions An on-chip detection circuit automatically detects when an external switch has been activated. When the device is initialized, the detection circuit measures the operating current and coverts the information into an analog voltage. The analog voltage is then process... | 07/29/2008 |
| 7406298 | Wireless communication system A wireless communication apparatus adapted to be mounted on an elevated surface having an electrical socket thereon. The apparatus includes a housing, a photocell and a transceiver. The housing at least partially defines an interior space and has a portion which is ... | 07/29/2008 |
| 7406340 | Arrangement and interface module for connecting different radio telephones to operator components in a motor vehicle The invention relates to an arrangement for remote controlling a mobile radio telephone (1) in a motor vehicle with a standard hands-free device (2), which is installed as an independent item of equipment in the vehicle, contains a microphone and a lou... | 07/29/2008 |
| 7398061 | Method and apparatus for changing the behavior of an electronic device A novel apparatus and method for changing the behavior of an electronic device is provided. In an embodiment, an electronic device includes the functionality of a cellular phone, a voice mail system and a calendar application. The device is configured to use the cal... | 07/08/2008 |
