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Patent # Description
US-9,301,133 Audio summing systems and methods in radio communication systems
A method, a device, and a communication system include receiving one or more concurrent transmissions from one or more source devices in the communication...
US-9,301,119 Method and apparatus for providing emergency information
A method and apparatus for a device to provide emergency information is provided herein. During operation, an emergency responder will send out a wireless...
US-9,301,087 Method and apparatus for connecting a bluetooth device
A method and apparatus for connecting a Bluetooth device is provided herein. During operation a priority list is used by a Bluetooth piconet master. The...
US-9,301,047 Loudspeaker audio accessory for a communication device
A loudspeaker audio accessory provides and non-cable interface to a portable radio. The accessory can operate in conjunction with the radio or as a standalone...
US-9,300,158 Method and apparatus for loading voltage thresholds from a battery for a device
A method and apparatus for determining whether to enable a functionality of a battery powered device upon connection to a battery is embodied by providing at...
US-D752,536 Portable radio
US-9,295,086 Method for operating a radio communication device in a multi-watch mode
A method for operating a radio communication device in a multi-watch mode is provided. The radio communication device receives communications on a primary...
US-9,288,685 Method and system for operating a radio network controller in a wireless communication system
A method and a system for operating a radio network controller (RNC) in a wireless communication system. The RNC generates a group database comprising a...
US-9,288,043 Methods and systems for providing high-security cryptographic keys to mobile radios
At least one embodiment takes the form of a process carried out by a key-management infrastructure (KMI). The KMI receives first and second disassembly products...
US-D751,521 Communication device
US-9,277,428 Method and apparatus for responding to a potential mass random access event
A radio controller monitors a radio channel for a first period of time and determines a first indication of signals received without detecting synchronization...
US-9,277,407 Methods for authentication using near-field
Authentication methods are used to authenticate, a device1 having an ESN1 (electronic serial number), a device2 having an ESN2, and/or a user of the devices. In...
US-9,276,421 Portable rechargeable battery pack and external adapter for same
Embodiments include a portable rechargeable battery pack, system, and external adapter that allow the portable rechargeable battery pack to both power a host...
US-9,271,311 Methods and systems for automated activation and configuration of broadband incident area networks (IANs)
Disclosed herein are methods and systems for automated activation and configuration of broadband LTE IANs. A mobile IAN base station, an activated mode and a...
US-9,271,269 Method and system for assigning slot reservations to subscriber radios in a telecommunications system
A method for assigning slot reservations to subscriber radios in a TDMA communications system, where data is arranged into a series of superframes, includes an...
US-9,271,257 Method and apparatus for informing a radio of a group-call started while the radio was away from a control channel
A radio affiliates, via a first channel, with at least one talk group the radio is interested in receiving calls from, sends a request to transmit location...
US-9,271,253 Method and system for managing mass registration scenario in two-way radio system
A method and apparatus are described for managing a mass registration scenario in a two-way radio system. A site controller in a trunked radio system detects a...
US-9,271,157 Method of and system for optimizing an empirical propagation prediction model in a mobile communications network
A propagation prediction model having adjustable parameters is optimized in a mobile communications network, by subdividing a service area into a plurality of...
US-9,270,307 Method and apparatus for improving audio reception in a paging device
A method (300) and apparatus (200) are provided for operating a portable pager. The method and apparatus eliminate channel noise between paging tones and voice...
US-9,269,260 Method and system to increase protection of personnel during K9 deployments
Methods and systems to increase protection of personnel during K9 deployments include receiving contextual and situational data from mobile devices associated...
US-9,253,773 Method and apparatus for wirelessly transacting simultaneous voice and data on adjacent timeslots
A wireless method, apparatus, and system provide simultaneous transacting of voice and data on adjacent timeslots through a combination of channel access rules...
US-9,253,416 Modulation of background substitution based on camera attitude and motion
A device and method of background substitution are disclosed. One or more cameras in a mobile device obtain a depth image. A processor in or external to the...
US-9,249,971 Illuminated rotary control for a communication device
A rotary control (120) is illuminated through a controlled illuminated indicator provided by a light guide arc reflector (114) disposed on a control panel (104)...
US-9,247,413 Method and apparatus for flexible fast network switching
Disclosed herein are methods and systems for flexible fast network switching. In an embodiment, a wireless-communication device has a first chipset compatible...
US-9,237,483 Methods for managing resource utilization in a long term evolution communication system
Methods for managing resource utilization in a Long Term Evolution (LTE) communication system are described. In one method, an application server: receives...
US-9,232,522 Full duplex direct mode individual and group calling using adjacent time slots in a TDMA system
A method for enabling full duplex direct mode calls between radios in an N:1 slotting ratio TDMA radio system includes detecting a request for a full duplex...
US-9,232,382 Method and apparatus for automatically determining a communication range status of communicating radios
A method is disclosed for determining a connectivity status of radios in a coverage group. Each coverage group includes radios configured to transmit and...
US-9,232,376 Concurrent voice and data service on a same digital radio channel
A method, a subscriber unit, and a system provide concurrent voice and data systems and methods that "steal bits" from voice frames for low-speed concurrent...
US-9,232,366 Dual-watch collar-wearable communication device
Disclosed herein are embodiments of a dual-watch collar-wearable communication device. One embodiment takes the form of a system that includes left-side and...
US-9,232,362 Programming secondary communication groups to devices arranged in a hierarchy of groups
Primary and/or secondary communication groups can be assigned to users with communication devices arranged in a hierarchy (FIG. 4). A set of humans are assigned...
US-9,231,776 System and method for MBMS support
A system and method handles a group session of a communication group. The method includes determining server association data and access network association...
US-9,231,693 Full duplex individual call via linked single frequency repeaters
A method for enabling full duplex individual calls in repeater mode between two subscriber units (SUs) in a N:1 slotting ratio time division multiple access...
US-9,231,641 Temperature monitoring cable
A portable communication system (100) comprises a portable radio (102) and a radio accessory (106) coupled through an interface cable (108). The interface cable...
US-9,231,529 Switchable multi-output low-noise amplifier with distortion cancellation
A low-noise amplifier is provided that includes an input amplifier stage coupled to a plurality of independently switchable output amplifier stages. The input...
US-9,231,481 Power converter apparatus
A power converter having reduced switching transients includes a conversion inductance, a pulse width modulation (PWM) controller, a conversion inductance, and...
US-9,215,689 Method and apparatus for resolving call collisions in a digital conventional direct mode
A process for resolving call collisions in a digital conventional direct mode includes monitoring a direct mode communication channel for transmissions from...
US-9,214,975 Intelligibility of overlapping audio
A method and apparatus are provided by which a radio communication device with multi-watch receivers improves the comprehension of a high-priority message when...
US-9,209,889 LTE concentrator and distributor system and method for coverage extension
A Long Term Evolution (LTE) Concentrator and Distributor system and method extends geographical coverage while minimizing Evolved Node B (eNB) deployments. The...
US-9,209,767 Input current limited power supply and audio power amplifier for high power reproduction of nondeterministic...
A method and apparatus for amplifying audio signals without exceeding an input current limit budgeted for the audio power amplifier circuit includes an...
US-9,209,676 Method and apparatus for charging batteries having different voltage ranges with a single conversion charger
Embodiments for a battery charger include a single conversion switched mode power supply having a bias winding on the primary side of the power transformer. The...
US-9,209,520 Hybrid antenna for portable communication devices
An antenna structure (111) commences at a feed point (202) that is coupled to an inverted F antenna section (204). The inverted F antenna section is coupled to...
US-9,209,514 Body-worn antenna
A flexible wire radiating element for a body-worn antenna has a length that meets a specified absorption rate (SAR) for a given transmit power, nominal...
US-9,198,278 Apparatus and method of miniaturizing the size of a printed circuit board
A printed circuit board includes at least one plated-through hole via drilled into at least one of a first layer on a first side of the printed circuit board...
US-9,191,921 Method and apparatus for determining locations of communication devices in a simulcast network
Methods and apparatuses are disclosed for identifying locations of communication devices in a simulcast network. A comparator sends a location request to...
US-9,189,347 High reliability redundant voting system for a signal received by voting processors in a communication system
Disclosed are methods and systems for providing improved reliability via redundant voting systems. The voting systems are operable to vote on a signal received...
US-9,178,987 System and method for interrupting a transmitting device in a communication system
A system and method for interrupting a transmitting device during a call. In the system, calls are transmitted from a first device on a communication channel as...
US-9,178,893 Secure AD HOC communication systems and methods across heterogeneous systems
A method for rapid peer-to-peer link establishment among a set of mobile devices includes operating a first second device, advertising system attributes in a...
US-9,173,134 Method and apparatus for managing quality of service settings for group communications
A centralized quality of service (QoS) entity having a processing device performs a method for managing QoS settings for group communications. The method...
US-9,173,073 Method and apparatus for processing group event notifications and providing group policy in a communication system
A group event processing entity receives and processes a group event notification wherein a set of policy rules is determined that controls the performance of...
US-9,167,599 Channel structure for non-contention based windows and contention based random access requests
Methods of communicating location information from a subscriber to a repeater are described. The subscriber switches from a working channel to a data revert...
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