Abstract: Information relevant to internet security is received at a data center server. Such information, for example, a network intrusion alert or details on a recent outbreak of an network virus, may be examined to determine the nature and scope of the security-related information. A security alert is promptly generated in response to the information, using previously stored multimedia content divided into categories of security alerts and/or multimedia content generated at the data center shortly after receiving the security information. The security alert is then disseminated to a plurality of mobile device users. The alerts may be disseminated only to the users associated with a certain security event category, or may be sent to different groups of users depending on other relevant criteria.

Abstract: A system and apparatus for classifying x-ray energy into discrete levels include an imaging system comprising an x-ray source, a detector, and a DAS having a discriminator assembly configured to count photon hits in the detector. A computer causes the discriminator assembly to count photon hits in the detector having an energy level greater than or equal to first and second threshold levels during an imaging scan, wherein the second threshold level is distinct from the first threshold level. The computer further modifies the counted photon hits having an energy level greater than or equal to the first threshold level based on the counted photon hits having an energy level greater than or equal to the second threshold level and reconstructs an image based on the modified photon hits and based on the counted photon hits having an energy level greater than or equal to a second threshold level.

Abstract: A system and apparatus for classifying x-ray energy into discrete levels include an imaging system comprising an x-ray source, a detector, and a DAS having a discriminator assembly configured to count photon hits in the detector. A computer causes the discriminator assembly to count photon hits in the detector having an energy level greater than or equal to first and second threshold levels during an imaging scan, wherein the second threshold level is distinct from the first threshold level. The computer further modifies the counted photon hits having an energy level greater than or equal to the first threshold level based on the counted photon hits having an energy level greater than or equal to the second threshold level and reconstructs an image based on the modified photon hits and based on the counted photon hits having an energy level greater than or equal to a second threshold level.

Abstract: An imaging system includes an x-ray source, a detector that receives x-rays emitted from the x-ray source, a DAS configured to count photon hits in the detector that occur at photon energies above at least a low keV threshold, a medium keV threshold, and a high keV threshold, and a computer operably coupled to the DAS. The computer is programmed to vary each of the medium keV threshold and the high keV threshold over a continuous keV range during data acquisition to define low, medium, and high keV bins that are based on the low, medium, and high keV thresholds, obtain photon counts in the low, medium, and high keV bins in a plurality of keV threshold combinations, calculate a noise variance as a function of at least one of the keV thresholds, and identify a noise minimum and low, medium, and high keV thresholds that correspond thereto.

Abstract: An imaging system includes an x-ray source, a detector that receives x-rays emitted from the x-ray source, a DAS configured to count photon hits in the detector that occur at photon energies above at least a low keV threshold, a medium keV threshold, and a high keV threshold, and a computer operably coupled to the DAS. The computer is programmed to vary each of the medium keV threshold and the high keV threshold over a continuous keV range during data acquisition to define low, medium, and high keV bins that are based on the low, medium, and high keV thresholds, obtain photon counts in the low, medium, and high keV bins in a plurality of keV threshold combinations, calculate a noise variance as a function of at least one of the keV thresholds, and identify a noise minimum and low, medium, and high keV thresholds that correspond thereto.

Abstract: A centrally tracked artificial currency is provided within the context of an enterprise. This currency serves as a unit of account, medium of exchange, and store of value in a corporate “attention economy.” Users (typically coworkers) in the enterprise are allotted a base number of currency units, which they can earn, exchange, and spend in a variety of ways to signal importance and “purchase” attention of others, or priority for other organization resources. In one aspect, senders of messages can specify an amount of currency to be associated with the message, so that recipients can see the specified amount before deciding whether to read the message. Once such a system is in use, it facilitates exchange of value based on user-created transactions regarding behavior, communication, resources, incentives, and priorities.

Abstract: Control systems and methods for independent control of power systems, particularly lighting network branches, and separate control of individual branch components. Multi-branch systems comprise independently controllable branches that inter-communicate via PLC communications. In each branch, components such as ballasts, local control units, sensors, actuators, and repeaters, may exchange commands and queries independently of a branch remote control unit (BRCU). Alternatively, a BRCU may manage or arbitrate communications, or interact with other BRCUs, other control units and external management systems. Ballasts include a multi-channel ballast that enables close-loop control of individual fixtures, or of individual dimmable or non-dimmable lamps within a fixture. The close-loop control is facilitated by sampling circuits/sensors co-located with each controlled fixture or lamp. All controllers are preferably implemented using an integrated digital controller.

Abstract: Information relevant to internet security is received at a data center server. Such information, for example, a network intrusion alert or details on a recent outbreak of an network virus, may be examined to determine the nature and scope of the security-related information. A security alert is promptly generated in response to the information, using previously stored multimedia content divided into categories of security alerts and/or multimedia content generated at the data center shortly after receiving the security information. The security alert is then disseminated to a plurality of mobile device users. The alerts may be disseminated only to the users associated with a certain security event category, or may be sent to different groups of users depending on other relevant criteria.

Abstract: Information relevant to internet security is received at a data center server. Such information, for example, a network intrusion alert or details on a recent outbreak of an network virus, may be examined to determine the nature and scope of the security-related information. A security alert is promptly generated in response to the information, using previously stored multimedia content divided into categories of security alerts and/or multimedia content generated at the data center shortly after receiving the security information. The security alert is then disseminated to a plurality of mobile device users. The alerts may be disseminated only to the users associated with a certain security event category, or may be sent to different groups of users depending on other relevant criteria.

Abstract: A system and method are disclosed for collecting, analyzing, verifying, producing, and broadcasting security data. Internet security-related information may be broadcast continuously from a data center over a broadcast channel, such as a webcast. As additional security related information is received at the data center, the data is analyzed and video content is produced to describe the incoming data. Video content may take the form of urgent near real-time security alerts, or pre-scheduled programs describing recent news and developments related to internet security. In an alternative embodiment, security news alerts are multi-cast to a selected group of users and the news alert data encrypted so that the group of users may trust its source.

Abstract: A centrally tracked artificial currency is provided within the context of an enterprise. This currency serves as a unit of account, medium of exchange, and store of value in a corporate “attention economy.” Users (typically coworkers) in the enterprise are allotted a base number of currency units, which they can earn, exchange, and spend in a variety of ways to signal importance and “purchase” attention of others, or priority for other organization resources. In one aspect, senders of messages can specify an amount of currency to be associated with the message, so that recipients can see the specified amount before deciding whether to read the message. Once such a system is in use, it facilitates exchange of value based on user-created transactions regarding behavior, communication, resources, incentives, and priorities.

Abstract: Control systems and methods for independent control of power systems, particularly lighting network branches, and separate control of individual branch components. Multi-branch systems comprise independently controllable branches that inter-communicate via PLC communications. In each branch, components such as ballasts, local control units, sensors, actuators, and repeaters, may exchange commands and queries independently of a branch remote control unit (BRCU). Alternatively, a BRCU may manage or arbitrate communications, or interact with other BRCUs, other control units and external management systems. Ballasts include a multi-channel ballast that enables close-loop control of individual fixtures, or of individual dimmable or non-dimmable lamps within a fixture. The close-loop control is facilitated by sampling circuits/sensors co-located with each controlled fixture or lamp. All controllers are preferably implemented using an integrated digital controller.

Abstract: An integrated digital controller for controlling power electronic devices and method of its use, comprises an analog-to-digital converting scanner module for scanning analog data inputs and used to create digital data correlated with the analog inputs, a loop control module operative to receive the digital data ad used for controlling at least one control loop, and a pulse sequence generator (PSG) module used for generating a variety of fast, configurable, event-driven pulse sequences in cooperation with the PSG and scanner modules. The controller comprises optionally a CPU for managing various tasks and coordinate between the modules, means to create the events, and means for configuration and reconfiguration on-the-fly. The controller is preferably integrated in a semiconductor chip.

Abstract: Control systems and methods for independent control of power systems, particularly lighting network branches, and separate control of individual branch components. Multi-branch systems comprise independently controllable branches that inter-communicate via PLC communications. In each branch, components such as ballasts, local control units, sensors, actuators, and repeaters, may exchange commands and queries independently of a branch remote control unit (BRCU). Alternatively, a BRCU may manage or arbitrate communications, or interact with other BRCUs, other control units and external management systems. Ballasts include a multi-channel ballast that enables close-loop control of individual fixtures, or of individual dimmable or non-dimmable lamps within a fixture. The close-loop control is facilitated by sampling circuits/sensors co-located with each controlled fixture or lamp. All controllers are preferably implemented using an integrated digital controller.

Abstract: A digital phase locked loop (DPLL) comprising a digitally implemented voltage controlled oscillator (VCO) for producing a VCO feedback signal, a phase error counter which includes a digital phase-frequency detector for producing a first phase error signal, a quadrature phase detector for producing a second phase error signal and an adder for adding the first and second phase error signals to obtain a combined phase error signal, and two programmable dividers used to cooperatively determine the VCO feedback signal and to provide a DPLL output line sync value synchronized with an input signal.

Abstract: ShoreGuard™ is a flow and erosion control system that is a prefabricated breakwater structure with a series of Louvers that is placed off shore to have a slowing effect on the velocity of the current both incoming and outgoing. The slowing of the current allows sand and sediment to accumulate on the shoreline side of the structure, therefore, building a beach or adding to the existing shoreline. The structure can be very aggressive in this effort the closer to the shore that it is installed. However, it is recommended to be installed in 14 feet of water at low tide for safety.

Abstract: A programmable digital power controller for gas discharge devices such as fluorescent lamps or other devices using all digital internal and external programmable controls. A specific ASIC is described. A gate array and microcomputer share parallel functions with fast sub-functions carried out by the gate array and slower sub-functions carried out by a micro-processor. Circuits are provided for automatic shut down when a high frequency ground fault is detected; for connecting the filaments of multiple gas discharge devices in a series/parallel circuit in a manner that power for a particular device is disabled when that device is removed from the circuit; for driving the load as close to resonance as possible but in an inductive mode; and for developing a dead time between high side and low side switches which is related to transformer current, switch current, bridge voltage or bridge voltage dv/dt.

Abstract: A programmable digital power controller for gas discharge devices such as fluorescent lamps or other devices using all digital internal and external programmable controls. A specific ASIC is described. A gate array and microcomputer share parallel functions with fast sub-functions carried out by the gate array and slower sub-functions carried out by a micro-processor. Circuits are provided for automatic shut down when a high frequency ground fault is detected; for connecting the filaments of multiple gas discharge devices in a series/parallel circuit in a manner that power for a particular device is disabled when that device is removed from the circuit; for driving the load as close to resonance as possible but in an inductive mode; and for developing a dead time between high side and low side switches which is related to transformer current, switch current, bridge voltage or bridge voltage dv/dt.

Abstract: A centrally tracked artificial currency is provided within the context of an enterprise. This currency serves as a unit of account, medium of exchange, and store of value in a corporate “attention economy.” Users (typically coworkers) in the enterprise are allotted a base number of currency units, which they can earn, exchange, and spend in a variety of ways to signal importance and “purchase” attention of others, or priority for other organization resources. In one aspect, senders of messages can specify an amount of currency to be associated with the message, so that recipients can see the specified amount before deciding whether to read the message. Once such a system is in use, it facilitates exchange of value based on user-created transactions regarding behavior, communication, resources, incentives, and priorities.

Abstract: An integrated digital controller for controlling power electronic devices and method of its use, comprises an analog-to-digital converting scanner module for scanning analog data inputs and used to create digital data correlated with the analog inputs, a loop control module operative to receive the digital data and used for controlling at least one control loop, and a pulse sequence generator (PSG) module used for generating a variety of fast, configurable, event-driven pulse sequences in cooperation with the PSG and scanner modules. The controller comprises optionally a CPU for managing various tasks and coordinate between the modules, means to create the events, and means for configuration and reconfiguration on-the-fly. The controller is preferably integrated in a semiconductor chip.