William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Application No. | Application Title | Issue Date |
| 20100323766 | METHOD AND APPARATUS FOR INTRINSICALLY SAFE OPERATION OF A COMMUNICATION DEVICE An intrinsic safety approach is provided for a battery powered communication device. Sparking is prevented at radio contacts during attachment and removal of a battery (104, 204, 304, 404) from a radio (102, 202, 302, 402) through the use of switches (1... | 12/23/2010 |
| 20100322442 | PRESSURE ACTIVATED REMOTE MICROPHONE A pressure activated remote microphone is provided within a communication system (100). A face mask (102) incorporates a remote microphone (118) and one or more pressure sensor(s) (122). When a user puts on the mask (102), the remote m... | 12/23/2010 |
| 20100322137 | METHOD AND SYSTEM FOR PEER TO PEER WIDE AREA NETWORK COMMUNICATION A method and system for peer to peer wide area network communication is provided. A peer in the network receives one or more media and one or more associated control signaling from any one of a plurality of Logical Media/Control Channels, wherein each Logical Media/Cont... | 12/23/2010 |
| 20100304680 | METHOD AND APPARATUS FOR UTILIZING A TRANSMISSION POLARIZATION TO REDUCE INTERFERENCE WITH A PRIMARY INCUMBENT SIGNAL A mobile station (104) operates in a region where an incumbent operator (110) is transmitting. The secondary station transmits at a frequency similar to that of the incumbent operator's signal. The incumbent operator transmits using a particular polarizati... | 12/02/2010 |
| 20100303044 | SYSTEM AND METHOD FOR CREDIT-BASED CHANNEL TRANSMISSION SCHEDULING (CBCTS) Credit based channel transmission scheduling (CBCTS) of packet data units (PDUs) on a downlink channel is provided based on priority, quantity, and timing efficiency. The CBCTS technique includes initializing a set of credit accounts with a set of credit values. Credit ... | 12/02/2010 |
| 20100303026 | METHOD AND APPARATUS FOR ZONE CONTROLLER BASED DYNAMIC SPECTRUM ALLOCATION The application discloses a method and apparatus for dynamic spectrum allocation to a secondary communication system seeking to operate within the spectrum of a regulated primary communication system. The method includes clustering a plurality of secondary devices based... | 12/02/2010 |
| 20100303024 | METHOD FOR COMMUNICATING CHANNEL OPERATION INFORMATION WITHIN A WIRELESS COMMUNICATION SYSTEM A node in a wireless communication system detects a requirement to discontinue communications on a primary channel. In response, the node sends a message to a plurality of nodes, which includes a reason for discontinuation of communications on the primary channel and av... | 12/02/2010 |
| 20100303005 | SYSTEM AND METHOD TO PROVIDE DIFFERENTIATED ROUTING IN MULTI-HOP MULTI-RADIO WIRELESS NETWORKS A method provides for differentiating usage permissions between different categories of communication traffic within a given network. The method includes ensuring one or more categories of traffic never transits communication radios, link, and/or spectrums dedicated to ... | 12/02/2010 |
| 20100298020 | APPARATUS, METHOD, AND SYSTEM FOR CHANNEL SELECTION AND ALLOCATION IN MOBILE COMMUNICATIONS A mobile communication system (100) includes a plurality of mobile stations (104, 105), a serving base station (101) and, associated with the base station, a channel selector (220, 309) for selecting and allocating downlink wireless traffic c... | 11/25/2010 |
| 20100291883 | METHOD AND APPARATUS FOR ACTIVATING AN EMERGENCY BUTTON IN A PORTABLE RADIO The application discloses a method and apparatus for activating an emergency button on a portable radio. The emergency button is located on a portion of the portable radio that can be hit against a substantially hard surface by a user to transmit an emergency alert sign... | 11/18/2010 |
| 20100279726 | METHOD FOR INITIATING A COMMUNICATION WHILE PARTICIPATING IN ANOTHER COMMUNICATION Within a two way radio frequency communication system, a repeater transmits an identity of a rest channel when transmitting during an active communication call on a channel other than the rest channel. A subscriber unit communicating within the active communication, rec... | 11/04/2010 |
| 20100278118 | METHOD FOR SELECTING COMMUNICATION LINKS IN A MULTI-RADIO WIRELESS COMMUNICATION SYSTEM A method provides for selecting a communication interface towards an access point by a wireless communication device. The method includes receiving one or more HELLO messages from the access point; determining whether any of a plurality of communication links is being u... | 11/04/2010 |
| 20100277129 | METHOD AND APPARATUS FOR CONTROLLING CHARGING OF A BATTERY IN A COMMUNICATION DEVICE The application discloses a method and apparatus for controlling the charging of a battery in a communication device. The method includes sensing temperature of the battery while charging the battery, and determining that the temperature is greater than a predetermined ... | 11/04/2010 |
| 20100276946 | INTERCONNECT ASSEMBLY An interconnect assembly (100) includes a spring member (200) integrally formed of a first portion (202) having two prongs (208) and a slot (210), the first portion being coupled to a second deflected portion (204) formed of a c... | 11/04/2010 |
| 20100265891 | SYSTEM AND METHOD FOR EFFICIENTLY ROUTING DATA PACKETS AND MANAGING CHANNEL ACCESS AND BANDWIDTH IN WIRELESS MULTI-HOPPING NETWORKS A method for routing data packets from a source to a destination in a wireless communication network comprising a plurality of nodes, wherein each node is in uplink-downlink association with at least one neighboring node, and wherein each node comprises a registration t... | 10/21/2010 |
| 20100248764 | TECHNIQUE AND APPARATUS FOR COGNITIVE RADIO ACCESS TO A BROKERED SPECTRUM A technique (300) and apparatus for sharing frequency spectrum amongst cognitive radios, without the use of a centralized control, is provided. By determining open segments of available spectrum within a brokered spectrum (306), and determining costs assoc... | 09/30/2010 |
| 20100248680 | SYSTEM AND METHOD FOR CONTROLLING USE OF UPLINK RANDOM ACCESS CHANNELS (RACHS) BASED ON MULTI-DIMENSIONAL SUBSCRIBER CLASSIFICATION Systems and methods are provided for controlling use of uplink random access channels (RACHs) based on multi-dimensional subscriber classification. These systems and methods are useful in cellular communication networks that implement, for example, a public safety cellu... | 09/30/2010 |
| 20100248631 | DYNAMIC SPECTRUM ALLOCATION (DSA) IN A COMMUNICATION NETWORK A method of dynamically allocating RF communication channels to a wireless communication device (102). A plurality of dynamic spectrum allocation (DSA) channels (222, 224) can be identified. The DSA channels can be channels that are available to a non-incu... | 09/30/2010 |
| 20100246554 | DEVICE AND METHOD FOR REESTABLISHING A WIRELESS CONNECTION IN A WIRELESS NETWORK A device and method enable reestablishing a wireless connection in a wireless network. The method includes detecting at a first wireless device that a previous wireless connection has been lost with a second wireless device that employs dynamic frequency selection (DFS)... | 09/30/2010 |
| 20100246481 | SYSTEM AND METHOD FOR SELECTING A NUMBER OF SPATIAL STREAMS TO BE USED FOR TRANSMISSION BASED ON PROBING OF CHANNELS Systems and methods are provided for determining a number of spatial channels to use to transmit a data packet from a source node to a destination node. This determination can be made based on a Probability of Channel non-Correlation (PCC) function that is generated and... | 09/30/2010 |
| 20100246480 | SYSTEM AND METHOD FOR SELECTING A ROUTE BASED ON LINK METRICS INCORPORATING CHANNEL BANDWIDTH, SPATIAL STREAMS AND/OR GUARD INTERVAL IN A MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) NETWORK Systems and methods are provided for determining a link metric for a communication link along a path between a source node to a destination node is provided. A node can generate a link metric (LM) for the communication link between the particular node and next-hop node ... | 09/30/2010 |
| 20100246137 | THERMAL-ELECTRICAL ASSEMBLY FOR A PORTABLE COMMUNICATION DEVICE A thermal-electrical assembly (200) provides with improved heat sinking, electrical shielding and electrical grounding. The thermal-electrical assembly is configured using a shield (202) having a windowed aperture (204), a pliable frame (206)... | 09/30/2010 |
| 20100238798 | SYSTEM AND METHOD FOR MAINTAINING A BACKUP RADIO OPERATING PARAMETER LIST IN A SECONDARY USE COMMUNICATION SYSTEM A radio communication system (100) provides a radio air interface at a master node (102) for subscriber units associated with the master node. Among the subscriber units are several slave nodes (104, 106). The communication system has the ability to... | 09/23/2010 |
| 20100226302 | METHOD OF OPERATION IN A WIRELESS COMMUNICATION SYSTEM A method of operation (300) of a wireless communication system (100) includes: a client node sending (301) to the infrastructure node a message indicating that it intends to enter an unassociated state and a message requesting (303) the infra... | 09/09/2010 |
| 20100222007 | NARROWBAND SYSTEM AND METHOD FOR DEFINING NARROWBAND CHANNELS IN UNUSED WIDEBAND CHANNELS A narrowband communication system (100) includes a base station (102) and a plurality of subscriber units (104). The base station assigns one or more wideband channels to be measured to each subscriber unit (606). The subscriber units tune to... | 09/02/2010 |
| 20100220686 | METHOD AND APPARATUS FOR COGNITIVE RADIO POLICY CHANGE A method of operation of a cognitive radio in a hierarchical group of cognitive radios, the hierarchy of cognitive radios including at least one master cognitive radio that has a higher position in the hierarchy than another of the cognitive radios in the group, consist... | 09/02/2010 |
| 20100214967 | Method and System for Adding a New Connection Identifier to an Existing Power Save Class A method (300) and system (200) for adding a connection identifier to an existing power saving class. The method can include the steps of—at a mobile unit (212) that is associated with at least one existing power saving class—generating (310<... | 08/26/2010 |
| 20100197332 | TARGETED GROUP SCALING FOR ENHANCED DISTRIBUTED SPECTRUM SENSING A method, wireless device, and information processing system dynamically update spectrum sensing groups in a wireless communication system. A set of wireless devices (114) currently allocated to a spectrum sensing group is identified. Each wireless device (114... | 08/05/2010 |
| 20100167711 | METHOD AND SYSTEM FOR CREATING COMMUNICATION GROUPS A method and system for creating a communication group (105). The method can include the steps of identifying (210) a plurality of mobile units (110) to be part of the communication group, initiating (220) a mating procedure between the mobil... | 07/01/2010 |
| 20100159925 | METHOD AND SYSTEM FOR RETRY OF PACKET DATA CALLS A method and system for retry of a packet data call. The method can include the steps of attempting (210) an IP registration with a mobile unit (110) to make a packet data call using a first protocol on a network (120) that employs both the first pr... | 06/24/2010 |
| 20100157889 | SYSTEM AND METHOD FOR IMPROVING EFFICIENCY OF BROADCAST COMMUNICATIONS IN A MULTI-HOP WIRELESS MESH NETWORK Systems and methods are provided for improving efficiency and reliability of broadcast transmission in a multi-hop wireless mesh communication network. When an intelligent access point (IAP) receives a broadcast packet (BP), the IAP can determine a list of downlink chil... | 06/24/2010 |
| 20100157888 | SYSTEM AND METHOD FOR IMPROVING EFFICIENCY AND RELIABILITY OF BROADCAST COMMUNICATIONS IN A MULTI-HOP WIRELESS MESH NETWORK Systems and methods are provided for improving efficiency and reliability of broadcast transmission in a multi-hop wireless mesh communication network. In some implementations, systems and methods are provided for a leaf mesh node to acknowledge reception of a broadcast... | 06/24/2010 |
| 20100144357 | ALLOCATION OF CHANNELS IN A DEDICATED FREQUENCY SPECTRUM ON A SECONDARY BASIS Allocation of channels in a dedicated frequency spectrum on a secondary basis. A direct mode communication request (150) from a first wireless communication device (112) can be received and processed to determine whether there are one or more secondary com... | 06/10/2010 |
| 20100141399 | METHOD OF SENSOR CLUSTER PROCESSING FOR A COMMUNICATION DEVICE A sensor enhanced communication device (200) is provided with a wake mode, a standby mode and sleep mode. The sleep mode is a periodic occurrence within the standby mode which places a cluster of sensors and transducers (202) into a state of arousal in whi... | 06/10/2010 |
| 20100137015 | METHOD AND APPARATUS FOR DUAL/MULTI-WATCH FOR GROUP PTT SERVICES A communication system (100) provides dual-watch and multi-watch capability for group PTT services. Incoming PTT calls are prioritized and played out in accordance with prioritized devices (130). A user of multiple communication devices can hear received a... | 06/03/2010 |
| 20100137014 | METHOD TO IMPROVE DIVERSITY GAIN IN A COOPERATIVE SPECTRUM SENSING NETWORK A cooperative sensing technique (300) operates by selecting a group of subscribers (302) from a secondary system, measuring a cooperative sensing metric (306) and then using the metric to identify an achievable spatial diversity gain for the group o... | 06/03/2010 |
| 20100136988 | METHOD AND APPARATUS FOR ESTABLISHING A CALL IN A DIGITAL RADIO COMMUNICATION SYSTEM A digital radio communication system (200) uses a repeater (216) to relay calls which can not be completed in a direct talk-around mode between two radios. The repeater (216) establishes early synchronization in advance of a pending call by listenin... | 06/03/2010 |
| 20100135267 | METHOD FOR ADAPTIVE BEACONING A method of adaptive beaconing includes operating a node within an ad hoc wireless communication network to calculate a probability P for an interval of time I; transmit a beacon when a uniformly distributed random number is less than the probability P; and wait for the... | 06/03/2010 |
| 20100125393 | USER INTERFACE FOR A VEHICLE INSTALLED COMMUNICATION DEVICE A radio communication device (100) for use in a public safety vehicle is provided with a user interface that combines tactile landmarks in the form of global tactile landmarks and local tactile landmarks along with affordances to orient a user's hand and fingers ... | 05/20/2010 |
| 20100124957 | SWIVEL EXTENSION CLIP FOR A COMMUNICATION DEVICE Swivel clip (200) provides independently adjustable hinge point location (500), adjustable clip length (210) and rotational position for user-configurable attachment. Swivel clip (200) is formed of a two piece paddle (216/218) and a tw... | 05/20/2010 |