Patent application number | Description | Published |
20080219424 | ACCESS CODE ENHANCEMENT FOR CALLER PREVIEW SERVICE - By manipulating parameters of call setup messages, calls made with a caller's access code in a caller preview service may be completed to the called party of voice mail box with caller identification information displayed. | 09-11-2008 |
20080279359 | SYSTEM AND METHOD FOR RESTRICTING AND MONITORING TELEPHONE CALLS - Communications from a first communications address identified by a service user are controlled. Data of a communication from the first communications address to a third party communications address is received. The communication is disallowed when an identification number received from a party requesting the communication is not a personal identification number specified by the service user, the first communications address is a restricted address for which the service user has elected to disallow communications, and the third party communications address is not a priority communications address for which the service user has elected to allow communications. | 11-13-2008 |
20090028319 | System and Method for Identifying Redirected Calls - Methods and systems for identifying redirected calls are provided. A particular method includes receiving a redirected call. When the redirected call is redirected from a first address, the method includes generating a first distinctive ring at a communication device. When the redirected call is not redirected from the first address, the method includes generating a second distinctive ring at the communication device. | 01-29-2009 |
20090304171 | System and Method for Identifying Redirected Calls - Methods and systems for providing information regarding an incoming call are provided. A particular method includes generating a first distinctive ring at a communication device receiving the incoming call when the incoming call is received without being redirected. The method also includes generating a second distinctive ring at the communication device when the incoming call is a redirected call. | 12-10-2009 |
20100166160 | Method And System For Providing Enhanced Caller Identification Information Including Screening Invalid Calling Party Numbers - A system and method deliver audible caller identification information when standard Caller ID information is invalid or cannot be provided. In one disclosed embodiment, the Caller ID information must include a valid number of digits and a valid area code. If the Caller ID information is not valid, a calling party is prompted by an announcement to provide the audible caller identification information. | 07-01-2010 |
20130003949 | Method And System For Providing Enhanced Caller Identification Information Including Screening Invalid Calling Party Numbers - A system and method deliver audible caller identification information when standard Caller ID information is invalid or cannot be provided. In one disclosed embodiment, the Caller ID information must include a valid number of digits and a valid area code. If the Caller ID information is not valid, a calling party is prompted by an announcement to provide the audible caller identification information. | 01-03-2013 |
20130216032 | Convenience Features In A Method And System For Providing Enhanced Caller Identification - A computer readable storage medium storing computer readable program code, the code configured to provide caller identification information to a called party when standard Caller ID cannot be provided. If standard caller ID information cannot be provided for a call, the call is interrupted by the present service and the calling party is prompted for audible caller identification information. In one embodiment, when the audible caller identification is provided, the call is presented to the called party with a distinctive ring at the called telephone station. In another embodiment, the calling party may enter a personal identification number (PIN) to bypass the requirement for audible caller identification information. In still another embodiment, when the PIN is entered, the call is presented with a distinctive ring at the called communication station. In still another embodiment, the called party may send the incoming call to a voice mail system. | 08-22-2013 |
20140185784 | Method And System For Providing Enhanced Caller Identification Information Including Total Call Control For All Received Calls - All calls terminating to a customer's directory number are intercepted. If caller identification information can be presented, the call is forwarded to a service node for disposition. The service node reconfigures signaling information of the call so that the call is not intercepted, then forwards the call to the subscriber's telephone. When the call is answered, the service node states the name or telephone number of the calling party which has been retrieved from the signaling information. The caller can decide whether to take the call, deny the call, send the call to voice mail or send a sales refusal message or other disposition option. | 07-03-2014 |
Patent application number | Description | Published |
20110062786 | ELECTRIC POWER GENERATING SYSTEM FOR MULTIPLE SOURCES AND INTERFACE TO AN AC GRID - An electric power generating system includes a plurality of variable power sources including at least one source of DC power and at least one source of AC power. Converters convert power supplied by the plurality of power sources to a common source of power to be communicated to a collector bus. A power grid supplies three-phase power to components requiring three-phase power downstream of the collector bus. Converters provide three phases of power to the power bus from the collector bus. | 03-17-2011 |
20110304199 | HYBRID ELECTRIC POWER ARCHITECTURE FOR A VEHICLE - An electric architecture for use on a vehicle has a collector bus for receiving power from a plurality of power sources. The collector bus distributes power to at least a pair of subsystems which are operable at different frequency levels. Each subsystem is provided with a global bus and a local bus, and is utilized to power at least one motor. | 12-15-2011 |
20120007425 | Electric Power Generating and Distribution System Comprising a Decoupling Filter and a Solid State Power Controller - An electric power generating system (EPGS) includes a generator configured to power a direct current (DC) load via a power distribution module. The power distribution module includes a solid state power converter (SSPC). A decoupling filter is connected between the generator and the power distribution module. The decoupling filter includes an inductor connected in parallel with a resistor and a solid state switch, the resistor and solid state switch being connected in series. During current limiting conditions in the SSPC, the solid state switch of the decoupling filter is configured to be open, and during the absence of current limiting conditions in the SSPC, the solid state switch of the decoupling filter is configured to be closed. | 01-12-2012 |
20120007428 | Electric Power Generating System with Boost Converter/Synchronous Active Filter - A method of startup of an electric start electrical power generating system (EPGS) is provided. The EPGS includes a generator configured to power a direct current (DC) load via a DC bus. The method includes: disconnecting the DC load from the DC bus; connecting a battery to a boost converter, the boost converter being connected to the generator; powering the generator using the battery via the boost converter; when the generator reaches a minimum speed: disconnecting the battery from the boost converter; deactivating the boost converter; and activating a synchronous active filter, the synchronous active filter being connected to the DC bus; bringing up a voltage on the DC bus by the generator; and when the voltage on the DC bus reaches a predetermined level, connecting the DC load to the DC bus. | 01-12-2012 |
20120091939 | HIGH VOLTAGE DC ELECTRIC POWER GENERATING SYSTEM WITH PERMANENT MAGNET GENERATOR PROTECTION - A permanent magnet generator system provides protection from fault conditions. The system includes a permanent magnet generator having a first, second, and third winding wherein each winding has a first end and a second end. During the normal mode of operation, the first ends of the windings are shorted to a first neutral point and alternating current (AC) voltage developed in the first, second and third windings is provided to a primary output associated with the second ends of the windings. In response to a fault condition on the primary output side of the system, the second ends of the windings are shorted together to a second neutral point and the first ends of the windings are disconnected from the first neutral point. During the backup mode, AC voltage developed in the windings is provided to a secondary output associated with the first ends of the windings. | 04-19-2012 |
20120098261 | Systems and Methods Involving Electrical Start and Power Generation - A power generation system includes a prime mover, a generator mechanically connected to the prime mover, the generator including a field winding portion and an armature winding portion, a direct current bus node, a first variable frequency drive having an input electrically connected to the bus node and an output electrically connected to the armature winding portion, and an inverter having an input electrically connected to the bus node and an output electrically connected to the field winding portion. | 04-26-2012 |
20120119711 | HIGH VOLTAGE DC POWER GENERATION - A DC power generating system includes a permanent magnet generator (PMG), an active rectifier in electrical communication with the PMG, and a controller in electrical communication with the active rectifier, wherein the controller is configured to regulate d-q components of a stator current of the PMG in a synchronous reference frame. | 05-17-2012 |
20120120689 | FAULT TOLERANT DC POWER SYSTEMS - A fault tolerant DC power system includes a permanent magnet generator (PMG), a first contactor in electrical communication with the PMG, an active rectifier in electrical communication with the first contactor, a second contactor in electrical communication with the first contactor, and a motor drive in electrical communication with the second contactor. The first contactor is configured to sever electrical communication between the PMG and the active rectifier and the second contactor is configured to establish electrical communication between the PMG and the motor drive. | 05-17-2012 |
20120126758 | HIGH VOLTAGE DC POWER GENERATION - A DC power system includes a permanent magnet generator (PMG), and an active rectifier in electrical communication with the PMG. The active rectifier is adapted to actively rectify power output from the PMG if the PMG is operating at low speed, and the active rectifier is further adapted to passively rectify power output from the PMG if the PMG is operating at high speed. | 05-24-2012 |
20130049648 | DIRECT CURRENT BUS MANAGEMENT CONTROLLER - A direct current bus management system can include a power management and distribution unit, having a source management section, a bus management section coupled to the source management section, a load management section coupled to the bus management section, a DC bus coupled to the power management and distribution unit, a plurality of DC sources coupled to the source management section and a plurality of loads coupled to the load management section, wherein the bus management section is configured to reconfigure excess DC power on the DC bus from the DC inputs from the plurality of DC sources based on a plurality of priorities, a plurality of feedback signals and a plurality of system parameters. | 02-28-2013 |
20130050880 | SOLID STATE POWER CONTROLLER FOR HIGH VOLTAGE DIRECT CURRENT SYSTEMS - A solid state power controller system can include a direct current load, a solid state power controller apparatus including an alternating current sensor coupled to the direct current load, a direct current sensor coupled to the direct current load, a voltage sensor coupled to the direct current load, a main switch coupled to the direct current load via the alternating and direct current sensors, an auxiliary switch coupled in parallel to the main switch, a current limiting resistor coupled in series to the auxiliary switch and a solid state power controller coupled to the main switch, the auxiliary switch, the alternating current sensor, the direct current sensor, and the voltage sensor, and a direct current power source coupled to the solid state power controller apparatus. | 02-28-2013 |
20130050890 | MULTI-FUNCTIONAL SOLID STATE POWER CONTROLLER - A solid state power controller apparatus can include an on/off-current limit controller, a pre-charge controller coupled to the on/off-current limit controller, an active damper controller coupled to the on/off-current limit controller and a main switch coupled to and responsive to on/off and protective commands from the on/off-current limit controller. | 02-28-2013 |
20130193813 | INTEGRATED HIGH-VOLTAGE DIRECT CURRENT ELECTRIC POWER GENERATING SYSTEM - An integrated high-voltage direct current (HVDC) electric power generating system (EPGS) comprises a permanent magnet generator (PMG) including a PMG stator and a PMG rotor, wherein the PMG is disposed within a PMG housing. Also included is an armature winding operably connected to the PMG and a first rectifier for converting high-voltage AC from the armature winding, wherein the armature winding is in communication with a first boost inductor, wherein the armature winding, the first rectifier and the first boost inductor are each disposed within the PMG housing. The armature winding is operably connected to a second rectifier for converting high-voltage AC from the armature winding, wherein the armature winding is in communication with a second boost inductor, wherein the armature winding, the second rectifier and the second boost inductor are each disposed within the PMG housing. | 08-01-2013 |
20130221941 | SYSTEM AND METHOD FOR CONTROLLING SOLID STATE CIRCUIT BREAKERS - A system for controlling a solid state circuit breaker comprises a solid state power switch, and a controller for providing a gate voltage to the power switch. During turnoff of the solid state power switch, the controller reduces the gate voltage to an intermediate level for a specified time period and then reduces the gate voltage to a turnoff level. | 08-29-2013 |
20130278193 | DIRECT CURRENT GENERATING, MANAGEMENT AND DISTRIBUTION SYSTEM - A direct current generating, management and distribution system includes a first armature winding, a first active rectifier having a first controller and coupled to the first armature winding, a first direct current bus coupled to the first active rectifier, a second armature winding, a second active rectifier having a second controller and coupled to the second armature winding, a second direct current bus coupled to the second active rectifier, a unit controller coupled to the first and second controllers, a first set of switches coupled to the first direct current bus and to the unit controller, a second set of switches coupled to the second direct current bus and to the unit controller, a third switch coupled to the first direct current bus and to the unit controller and a fourth switch coupled to the second direct current bus and the unit controller. | 10-24-2013 |
20130320763 | DUAL GENERATOR SYSTEM - A dual generator system includes a main generator and an auxiliary generator. The main generator generates at least a first phase main output and a second phase main output. The auxiliary generator generates at least a first phase auxiliary output and a second phase auxiliary output, wherein the first phase auxiliary output is combined with the first phase main output to generate a first phase main output. An auxiliary generator control unit (AGCU) monitors the first phase combined output and the second phase combined output and in response independently regulates the first phase auxiliary output and the second phase auxiliary output. | 12-05-2013 |
20130325366 | ELECTRICAL POWER GENERATION AND DISTRIBUTION FAULT MANAGEMENT SYSTEM FOR A VEHICLE - An electric power system includes multiple components that include a generator, a rectifier and a power management and distribution center. Multiple sensors are configured to provide actual responses relating to each of the components. Multiple simulation models are configured to simulate responses of each of the components, and multiple comparators are configured to compare the actual responses to the simulated responses and provide compared values. A diagnostic module is in communication with the comparators and is configured to determine at least one fault in each of the components. | 12-05-2013 |
20140028094 | POWER MANAGEMENT AND DISTRIBUTION WITH AUXILIARY DC BUS - A power management and distribution (PMAD) system includes a main DC bus, an auxiliary DC bus, a power converter, one or more hybrid solid-state circuit breakers, and a controller. The power converter converts power from the main DC bus to provide a regulated output to the auxiliary bus. Each hybrid SSCB includes a main switch connected between the main DC bus and a load and an auxiliary switch connected between the auxiliary DC bus and the load. The controller selectively turns the main switch and the auxiliary switch On/Off to selectively supply power from the main DC bus and/or the auxiliary DC bus to the load, and to selectively regulate the voltage on the auxiliary DC bus. | 01-30-2014 |
20140139062 | MODULATING CURRENT IN A DUAL GENERATOR SYSTEM - A dual-generator assembly includes a first generator configured to generate a first current and a second generator configured to generate a second current modulated based on harmonic current in the first current. | 05-22-2014 |
20140203639 | RECONFIGURABLE MATRIX-BASED POWER DISTRIBUTION ARCHITECTURE - A power management and distribution (PMAD) system includes a first power supply of a first type, a second power supply of a second type different from the first type and first and second loads. The PMAD system includes a matrix of solid state power controllers (SSPCs) connected between the first and second power supplies and the first and second loads. The matrix is configured to selectively supply each of the first and second loads with a plurality of different power levels based on on/off states of the SSPCs of the matrix. | 07-24-2014 |
20140217821 | MATRIX-BASED POWER DISTRIBUTION ARCHITECTURE - A power management and distribution (PMAD) system includes first and second power supplies, first and second loads and a matrix of solid state power controllers (SSPCs) connected between the first and second power supplies and the first and second loads. The matrix is configured to selectively supply each of the first and second loads with a plurality of different power levels based on on/off states of the SSPCs of the matrix. | 08-07-2014 |
20140265693 | INTEGRATED STARTER GENERATOR - An integrated starter-generator (ISG) system includes a flux-regulated permanent magnet machine (PMM), a wound-field synchronous machine, and a control coil controller. The flux-regulated PMM includes a stationary portion having a control coil and a plurality of permanent magnets, and a rotating portion that includes rotating armature windings. The wound-field synchronous machine includes a stationary portion that includes a main armature winding and a rotating portion that includes a main field winding that receives excitation from the flux-regulated PMM. The control coil controller controls current supplied to the control coil of the flux-regulated PMM to selectively control magnetic flux presented to the rotating armature windings. | 09-18-2014 |
20140265744 | GENERATOR ARCHITECTURE WITH PMG EXCITER AND MAIN FIELD ROTATING POWER CONVERTER - A generator includes a stationary portion and a rotating portion. The stationary portion includes a permanent magnet and a main armature winding. The rotating portion includes a main field winding and a main field rotating power converter that regulates current through the main field winding. | 09-18-2014 |
20140266076 | EPGS ARCHITECTURE WITH MULTI-CHANNEL SYNCHRONOUS GENERATOR AND COMMON UNREGULATED PMG EXCITER - A generator system includes a generator having a stationary portion and a rotating portion. The generator includes a permanent magnet based exciter with permanent magnets disposed on the stationary portion. A first channel includes a first main field winding and a first main field power converter disposed on a rotating portion. The first main field power converter selectively delivers voltage from the exciter winding to the first main field winding. A second channel includes a second main field winding and a second main field power converter disposed on the rotating portion. The second main field power converter selectively delivers voltage from the exciter winding to the second main field winding. A generator control unit is connected to the first channel and the second channel. The generator control unit monitors an output voltage at each of the first channel and the second channel and generates the first and second control signals based on the output voltage. | 09-18-2014 |
20140266077 | VARIABLE SPEED CONSTANT FREQUENCY SYSTEM WITH GENERATOR AND ROTATING POWER CONVERTER - An electric power generating system includes a brushless wound field synchronous generator with n-number of power generating channels and n-number of bidirectional switches alternatively controlled to provide ac power at the output. Each power generating channel includes a control rotating transformer, a rotating power converter supplying power to field winding from the rotating power supply, and a center-tap single phase armature winding connected to the bidirectional switches. Rotating power converter modulates current in the field winding to obtain desired frequency and phase at the system output. | 09-18-2014 |
20140266078 | GENERATOR ARCHITECTURE WITH MAIN FIELD ROTATING POWER CONVERTER - A generator includes a stationary portion and a rotating portion. The stationary portion includes a main armature winding and the rotating portion includes a main field winding a main field rotating power converter that selectively controls current supplied to the main field winding. | 09-18-2014 |
20140266079 | METHOD OF CONTROLLING ROTATING MAIN FIELD CONVERTER - A generator system includes a generator having a stationary portion and a rotating portion. An exciter field winding and a main armature winding are disposed on the stationary portion. An exciter armature winding and a main field winding are disposed on the rotating portion. A frequency demodulator is configured to extract a frequency modulated control signal from the exciter armature winding and to demodulate the frequency modulated control signal to generate a demodulated control signal. The generator includes a main field rotating power converter to selectively control current in the main field winding in response to the demodulated command signal. The generator system includes a generator control unit in electrical communication with the generator to monitor the output voltage at the main armature winding and to output an exciter current including the frequency modulated control signal to the exciter field winding based on the output voltage. | 09-18-2014 |
20140268431 | ROTATING DIODE ASSEMBLY INCLUDING OVERVOLTAGE PROTECTION CIRCUIT - A brushless wound field synchronous generator configured to generate an output power to drive an electrical load includes a rotating rectifier assembly. The rotating rectifier assembly includes a rotating diode assembly and a field effect transistor (FET) to control voltage across the rotating diode assembly. | 09-18-2014 |
20140320194 | SOLID STATE POWER CONTROLLER GATE CONTROL - A system for controlling gate power includes a metal oxide semiconductor field effect transistor (MOSFET) configured to supply power to a load according to a gate control voltage applied to a gate of the MOSFET. The system includes a gate control circuit configured to turn on and off the gate control voltage supplied to the gate of the MOSFET. The system also includes a ramping circuit configured to perform at least one of ramping up a voltage applied to the gate of the MOSFET based on the gate control circuit turning on power to the gate of the MOSFET and ramping down the voltage applied to the gate of the MOSFET based on the gate control circuit turning off power to the gate of the MOSFET. | 10-30-2014 |
20140333300 | REGULATED MAGNETIC FLUX DENSITY FOR EXTENDED CURRENT MEASUREMENT - A current sensor senses a primary current in a conductor. The current sensor includes a core, a sensing device, and a magnetizing coil. The core is configured so that the primary current generates a first magnetic field concentrated in the core. A magnetic flux density of the core is established based upon the first magnetic field and a magnetic permeability of the core. The sensing device senses the magnetic flux density of the core and provides a voltage representative of the primary current. The magnetizing coil receives a magnetizing current when the primary current is greater than a threshold value. The magnetizing coil generates a coil magnetic field in response to the magnetizing current to decrease the magnetic permeability of the core. | 11-13-2014 |
20140347024 | CURRENT DIVIDER FOR EXTENDED CURRENT MEASUREMENT - A power controller controls power to a load and includes a primary conductor, a current divider, first and second current sensors, and a controller. The primary conductor carries a primary current to the load. The current divider is connected between the primary conductor and the load and includes a first conductor and a second conductor. The second conductor has a greater impedance than the first conductor. The first current sensor provides a first output representative of the primary current, and the second current sensor provides a second output representative of a secondary current in the second conductor of the current divider. The controller determines the primary current to the load based upon the first output when the primary current is less than a threshold value, and based upon the second output when the primary current is greater than the threshold value. | 11-27-2014 |
20140354049 | AUXILIARY WINDING FOR EXTENDED CURRENT MEASUREMENT - A power controller controls power to a load and includes a primary current sensor, a controller and a current source. The primary current sensor includes a primary conductor and an auxiliary conductor. The primary conductor carries a primary current to the load and the auxiliary conductor carries an auxiliary current in the opposite direction of the primary current to provide partial flux cancellation. The primary current sensor provides an output voltage based upon a magnetic field generated by the primary current and auxiliary current. The controller determines the primary current based upon the output voltage and the auxiliary current. The current source provides the auxiliary current. The controller controls the current source to provide the auxiliary current to the auxiliary conductor if the primary current is greater than a threshold value. | 12-04-2014 |
20140361652 | INTEGRATED ELECTROMAGNETIC CLUTCH AND EDDY-CURRENT COUPLING - A system for transmission of power includes a clutch having a driven clutch member and a driving clutch member. The driven and driving clutch members are operatively connected to one another for common rotation in a first position with the clutch members engaged to one another and for rotation relative to one another in a second position with the clutch members disengaged from one another. An eddy-current coupling is operatively connected to selectively move at least one of the clutch members to engage and disengage the clutch members between the first and second positions. The eddy-current coupling is also operatively connected to provide electromagnetic eddy-current coupling between the clutch members with the clutch members in the second position disengaged from one another to drive the driven clutch member at a rate different from that of the driving clutch member. | 12-11-2014 |
20150035469 | SENSING PM ELECTRICAL MACHINE POSITION - An electrical machine includes a stator having a stator winding and a secondary transformer coil. A rotor is operatively connected to rotate relative to the stator, wherein the rotor includes a plurality of embedded permanent magnets. A primary transformer coil is wound on the rotor and is operatively connected to form a rotating transformer with the secondary transformer coil. An inverter/active rectifier component is operatively connected to the stator winding and the secondary transformer coil to control the stator winding based on a sense in the secondary transformer coil received from the primary transformer coil. | 02-05-2015 |
20150035501 | SYSTEMS AND METHODS FOR CONTROLLING TORSIONAL OSCILLATION IN WOUND FIELD SYNCHRONOUS GENERATOR MACHINES - A method for controlling torsional oscillation includes detecting angular position of a wound field synchronous generator machine, extracting information indicative of torsional oscillation, selecting synchronous torsional oscillations, compensating for the synchronous torsional oscillations with an exciter signal, and controlling field current in the wound field synchronous generator using the exciter signal. A damping controller includes a damping module with a synchronous selective compensator and a synchronous notch filter for generating torsional oscillation compensation signals for asynchronous torsional oscillation. | 02-05-2015 |