Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7389104 | Methods, systems and apparatus for providing urgent public information Embodiments of the invention provide systems and methods for distributing urgent public information. For example, one exemplary of the invention provides a method for providing an alert to a subscriber. The exemplary method comprises receiving an alert message from ... | 06/17/2008 |
| 7366169 | Apparatus for scanning radio frequency channels The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network can therefore include multiple APs, each of which will automatically... | 04/29/2008 |
| 7359715 | Method and system for detecting a preferred wireless network for a mobile device A method and system for detecting a wireless network includes receiving at a mobile device a signal having data indicative of a location of the mobile device. A determination is made whether the mobile device is within the coverage area of a specified network based ... | 04/15/2008 |
| 7330877 | Devices, softwares and methods for rescheduling multi-party sessions upon premature termination of session Devices, softwares and methods reschedule multi-party sessions upon premature termination of a wireless communication session. Upon sensing a premature termination, an access point transmits a rescheduling frame. All sessions are advanced in time, which saves time i... | 02/12/2008 |
| 7324802 | Method and system for managing communication in emergency communication system A method and system for managing communication in an emergency communication network is described. The emergency communication network receives a plurality of radio messages from a plurality of channels. The incoming radio messages sometimes overlap in time. Incomin... | 01/29/2008 |
| 7302243 | Method and apparatus for detecting a radio frequency to which a broadcast receiver is tuned A method and apparatus is disclosed for detecting the frequency to which a broadcast receiver is tuned. In one embodiment, a sensing unit emits a chirp signal over a range of broadcast bands and monitors the output of the radio receiver to detect the frequency to wh... | 11/27/2007 |
| 7274933 | Home network name displaying methods and apparatus for multiple home networks Home network name displaying methods and apparatus for multiple home networks are disclosed. A mobile station scans to receive a plurality of Mobile Country Code (MCC) and Mobile Network Code (MNC) pairs corresponding to a plurality of communication networks within ... | 09/25/2007 |
| 7194249 | Methods, systems and apparatus for providing urgent public information Embodiments of the invention provide systems and methods for distributing urgent public information. For example, one exemplary of the invention provides a method for providing an alert to a subscriber. The exemplary method comprises receiving an alert message from ... | 03/20/2007 |
| 7171176 | Tuner system self adaptive to signal environment A circuit and method for adjusting the operating characteristics of a tuner in accordance with information derived from the signals being processed by the tuner. Depending upon signal type and/or signal strength, the power levels of certain components are adjusted a... | 01/30/2007 |
| 7171216 | Method and system for detecting a preferred wireless network for a mobile device A method and system for detecting a wireless network includes receiving at a mobile device a signal having data indicative of a location of the mobile device. A determination is made whether the mobile device is within the coverage area of a specified network based ... | 01/30/2007 |
| 7167696 | Method for scanning radio frequency channels The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network can therefore include multiple APs, each of which will automatically... | 01/23/2007 |
| 7142880 | Method of increasing the data throughput in a communication system Data throughput is increased in a communication system that is designed for a bidirectional information exchange between a single master terminal unit and a number of slave terminal units. For that purpose, unoccupied transmission resources of the communication chan... | 11/28/2006 |
| 7133378 | Base station for wireless communication and method for setting up frequency band in the base station A wireless LAN system is provided to make a frequency band setup task easy such that interference among base stations is reduced. The base station connected to a wired LAN includes a wired connection unit connected to the wired LAN and a wireless communication unit ... | 11/07/2006 |
| 7113537 | Combined searching and page monitoring using offline sample storage A novel and improved method for performing paging is described. In one embodiment of the invention a searcher is used to detect spread spectrum signals. Samples received RF signals are stored in a sample buffer. During standby mode, the samples are gathered during p... | 09/26/2006 |
| 7106814 | Method and wireless device employing a preamble to initiate communications A wireless receiver 300 and corresponding method to detect a message identifier or preamble that has been generated and provided by a transmitter 200 uses FFTs to estimate frequency and time offset. The wireless receiver 300 scans, asynchronousl... | 09/12/2006 |
| 7099679 | Method of saving power by reducing active reception time in standby mode In some embodiments of the present invention, a signal received by a mobile communication station in standby mode is sampled. The samples are converted to digital samples and stored in a memory. The digital samples include data from a base communication station to t... | 08/29/2006 |
| 7085246 | Method and apparatus for acquisition of a spread-spectrum signal An apparatus for acquiring a pseudo-random (PN) sequence timing for a code division multiple access (CDMA) radiotelephone. A buffer stores samples of representations of at least one pilot signal. A correlator coupled to the buffer is operable to correlate at least a... | 08/01/2006 |
| 7076220 | Program for scanning radio frequency channels The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network can therefore include multiple APs, each of which will automatically... | 07/11/2006 |
| 7047008 | System for mobile radio communication and a method relating to service provision in mobile radio communication networks The present invention relates generally to a method and apparatus for selecting a visited mobile radio network upon international roaming. More particularly, the invention relates to selecting a mobile radio network with regard to the support given by the mobile rad... | 05/16/2006 |
| 7031271 | Method of and apparatus for activating a spread-spectrum radiotelephone A method of activating a radiotelephone operable in a spread-spectrum multiple access radiotelephone system. A searcher receiver (114) is activated, and the searcher receiver (114) acquires a PN sequence timing of a pilot signal. At least one demodulat... | 04/18/2006 |
| 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 same message at a number of different times. Spacial diversity is ach... | 04/04/2006 |
| 6978938 | Optical information reader and optical information reading method A tabletop type optical information reader has a projection unit, a trigger unit, a decode unit, a data processing unit, a memory unit, and a switch unit. The projection unit projects light to a read object. The trigger unit instructs the projection unit for project... | 12/27/2005 |
| 6970679 | Method of detecting a redirection or relaying of a contactless data transmission using at least two sequentially driven transmitting antennas A method detects relaying of a contactless data communication by a radio amplifier for intercepting and manipulating the communication to achieve an unauthorized authentication. The method involves transmitting an electromagnetic field successively from at least two... | 11/29/2005 |
| 6941143 | Automatic channel selection in a radio access network Within a radio access network (111, 112) an access point (181, 182, 183 and 184) selects a channel by first randomly choosing a channel from those available f... | 09/06/2005 |
| 6921369 | Mobile ergospirometry system A mobile ergospirometry system including a portable measurement unit that can be attached to a subject and that incorporates a mouthpiece or mask to collect respiratory gas, a sensor for the volume or amount of gas as well as sensors to determine the CO2/... | 07/26/2005 |
| 6915146 | Method and apparatus for receiving a plurality of different codes at a plurality of different frequencies A receiver capable of receiving a plurality of different codes at a plurality of different frequencies is set forth herein. The receiver offers digital frequency control by using a controller driven signal diode to add or remove capacitance to or from a band pass fi... | 07/05/2005 |
| 6801121 | Pager having simultaneous multichannel scanning function and data transmitting/receiving method thereof A paging system separately transmits high capacity data through at least two paging channels of limited transmission rates in order to provide the high capacity data in real-time. A pager receives and processes the paging frequency signal transmitted through at leas... | 10/05/2004 |
| 6771616 | Sequential combined QPCH demodulation A system determines if a primary paging channel should be received based on an examination of a quick paging channel. A first QPCH symbol is examined (102) and the normalized pilot energy is determined (104). If the normalized pilot energy is above a f... | 08/03/2004 |
| 6768770 | Transceiver with bidirectional internal interface lines A transceiver has bidirectional internal interface lines which can be connected to a baseband circuit. The transceiver is switchable by the baseband circuit between a transmission mode and a reception mode. The internal interface lines are connected to at least one ... | 07/27/2004 |
| 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 which transmits a series of messages comprising a message at ea... | 09/16/2003 |
| 6587034 | Data communication device Simplified data message terminals and data communicating voice terminals are described for providing additional functionality in a facility using a wireless data communication system. The simplified data message terminals provide message and paging commun... | 07/01/2003 |
| 6515971 | Method and apparatus to enable background scanning A method is provided for background scanning in a selective call communication system (102) having a plurality of channels (110, 112, 114), wherein a selective call device (104) has designated thereto one of an odd and even frame compulsory decoding sched... | 02/04/2003 |
| 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 receiving information on a channel (14). The information on the channel i... | 02/04/2003 |
| 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 signals, a controller (25), a memory (26) to store signal paramete... | 10/01/2002 |
| 6433668 | Paging system with spacial, frequency and time diversity The present invention provides a highly reliable radio paging system. The radio paging system of the present invention provides a combination of time, frequency and spacial diversity in order to increase the reliability of the system. Time diversity is pr... | 08/13/2002 |
| 6360097 | Method and apparatus in a wireless communication unit for controlling a rate of background scanning A processor (206) and a receiver (202) monitor (301) a channel. The processor determines (304, 306) an average received signal quality on the channel and a first derivative of the average received signal quality. The processor then adjusts (308-336) the r... | 03/19/2002 |
| 6292660 | Adaptive site scanning based on fade base estimation Methods and systems for controlling site scanning of a wireless device by adjusting the rate at which the wireless device site scans based on whether the wireless device is in motion. Furthermore, this determination may be made by determining a fade rate ... | 09/18/2001 |
| 6292655 | Selective calling radio-receiver and method of receiving selective calling radio signal There is provided a selective calling radio-receiver including (a) a demodulator demodulating a received selective calling radio signal, (b) a waveform-shaper shaping waveform of a demodulation signal transmitted from the demodulator, (c) a data-receiving... | 09/18/2001 |
| 6243561 | Offline page monitoring A novel and improved method for performing paging is described. In one embodiment of the invention a searcher is used to detect spread spectrum signals. Samples received RF signals are stored in a sample buffer. During standby mode, the samples are gather... | 06/05/2001 |
| 6198926 | Method for establishing standby periods in a base station and a handset An invention is disclosed having a base station and a plurality of handsets connected to this base station by various radio channels. For saving on accumulators which supply power to these handsets, these handsets are put in a standby mode for as long per... | 03/06/2001 |
