| Patent application number | Description | Published |
| 20080205742 | Generation of randomly structured forms - A computer system and method for generating a plurality of unique, randomly structured forms, such as invoices, that may be populated with data to produce test forms for testing automatic document processing systems. The forms may have major blocks such as a header, a body and a footer, and the major blocks may have randomly selected sizes. For each block, the locations of data fields and the ordering of the data fields within the block are defined randomly, the data locations within the fields and the data formats are randomly defined, and a blank image and an XML file of the randomly structured form are produced. The forms generated may be populated with data for the testing document processing system. | 08-28-2008 |
| 20080212845 | Automatic form generation - A computer system and method for generating a plurality of unique forms, such as invoices or medical claim forms, that may be populated with data to produce test forms for testing automatic document processing systems. A blank form image is selected, and a layout data file is created that includes information on the locations of data fields on the blank form image, data types, and the formatting of data in the data fields. Corresponding data fields on each form are populated with different data sets comprising pre-defined data, random data or a combination of data to create a plurality different forms for the testing of the document processing system. | 09-04-2008 |
| Patent application number | Description | Published |
| 20080304187 | FAULT CONDITION PROTECTION - A power converter controller circuit is disclosed. In one aspect, a power converter controller circuit includes a control circuit to generate a switching signal to be coupled to a power switch to control power delivered to an output of a power converter. A timing circuit is to be coupled to the power switch and coupled to receive a feedback signal and the switching signal. The timing circuit is to disable the power switch from receiving the switching signal in response to the feedback signal after detection of a fault condition. The feedback signal repeatedly transitions between first and second states in response to the output when the power supply operates normally. The feedback signal maintains its state when the power supply is in the fault condition. The feedback signal transitions between the first and second states independently from the switching signal. | 12-11-2008 |
| 20100194198 | METHOD AND APPARATUS FOR IMPLEMENTING AN UNREGULATED DORMANT MODE WITH AN EVENT COUNTER IN A POWER CONVERTER - A control circuit for use in a power converter with an unregulated dormant mode of operation includes a drive signal generator coupled to generate a drive signal to control switching of a power switch to be coupled to the control circuit to regulate a flow of energy to a power converter output in response to an energy requirement of one or more loads to be coupled to the power converter output. An unregulated dormant mode control circuit is included and is coupled to render dormant the drive signal generator thereby ceasing the regulation of the flow of energy to the power converter output by the drive signal generator when the energy requirement of the one or more loads falls below a threshold for more than a first period of time. The drive signal generator is coupled to be unresponsive to changes in the energy requirements of the one or more loads when dormant. The unregulated dormant mode control circuit is coupled to power up the drive signal generator after a second period of time has elapsed. The drive signal generator is coupled to again be responsive to changes in the energy requirement of the one or more loads after the period of time has elapsed. | 08-05-2010 |
| 20100194367 | METHOD AND APPARATUS TO REGULATE AN OUTPUT VOLTAGE OF A POWER CONVERTER AT LIGHT/NO LOAD CONDITIONS - An example apparatus to regulate an output voltage of a power converter at light/no load conditions includes a driver circuit, a feedback circuit, and an adjustable voltage reference circuit. The driver circuit is coupled to output a drive signal to switch a power switch between an ON state and an OFF state to regulate an output of the power converter. The feedback circuit is coupled to the driver circuit and is further coupled to output an enable signal to switch the power switch to an ON state in response to an output voltage signal. The adjustable voltage reference circuit is coupled to adjust a voltage reference such that a bias winding voltage of the power converter is adjusted nonlinearly in response to a load that is to be coupled to the output of the power converter. | 08-05-2010 |
| 20100194445 | POWER SUPPLY CONTROLLER WITH INPUT VOLTAGE COMPENSATION FOR EFFICIENCY AND MAXIMUM POWER OUTPUT - A controller for a power supply includes a logic block and a time-to-frequency converter. The logic block is to generate a drive signal in response to a clock signal. The drive signal is to be coupled to control switching of a power switch of the power supply to regulate an output of the power supply. The time-to-frequency converter is coupled to the logic block and generates the clock signal having a frequency responsive to a time period of the drive signal. | 08-05-2010 |
| 20100277838 | FAULT CONDITION PROTECTION - A regulator for a switched mode power supply includes switching regulator logic, a counter and a logic gate. The switching regulator logic is coupled to receive a feedback signal and to generate a switching signal in response. The feedback signal periodically cycles between a first state and a second state when the power supply operates normally. The counter is coupled to receive the feedback signal and an output of the counter indicates an auto-restart mode of the regulator in response to the feedback signal remaining in the first state for a predetermined count. An output of the logic gate enables the power switch to turn on and off in response to the switching signal when the output of the counter does not indicate the auto-restart mode and the output of the logic gate disables the power switch in response to the output of the counter indicating the auto-restart mode. | 11-04-2010 |
| 20110080209 | METHOD AND APPARATUS FOR IMPLEMENTING SLEW RATE CONTROL USING BYPASS CAPACITOR - A circuit to control the slew rate of charging a capacitance using the capacitance is disclosed. An example circuit includes a regulator circuit to regulate a supply voltage during a normal operation mode of the circuit. A capacitance circuit is coupled to the regulator circuit. The regulator circuit is coupled to charge a capacitance between a first node and a second node of the capacitance circuit with a charge current. A slew rate control circuit is coupled to the regulator circuit and the capacitance circuit. The slew rate control circuit sets a slew rate of a voltage between the first and second nodes during a power up mode of the circuit. | 04-07-2011 |
| 20110121889 | Temperature independent reference circuit - A temperature independent reference circuit includes first and second bipolar transistors with commonly coupled bases. First and second resistors are coupled in series between the emitter of the second bipolar transistor and ground. The first and second resistors have first and second resistance values, R | 05-26-2011 |
| Patent application number | Description | Published |
| 20090033307 | METHOD AND APPARATUS FOR A HIGH VOLTAGE POWER SUPPLY CIRCUIT - A control circuit for use in a power supply is disclosed. An example control circuit according to aspects of the present invention includes a signal generator coupled to generate an output signal to control switching of a power switch to be coupled to the control circuit. A feedback circuit is coupled to receive a feedback signal, which is representative of an output of the power supply during a feedback portion of an off time of the power switch. The signal generator generates the output signal in response to the feedback circuit to control a fraction of the feedback portion of the off time of the power switch that the feedback signal is above a threshold and another fraction of the feedback portion of the off time of the power switch that the feedback signal is below the threshold. | 02-05-2009 |
| 20090033393 | METHOD AND APPARATUS FOR REGULATING A DIODE CONDUCTION DUTY CYCLE - A power converter control method and apparatus is disclosed. A control circuit for use in a power converter according to aspects of the present invention includes a clock signal generator coupled to generate a clock signal to control switching of a power switch to be coupled to the control circuit. Feedback circuitry is coupled to receive a feedback signal, which is representative of an output of a power converter during a feedback portion of an off time of the power switch. The feedback circuitry is coupled to respond to the feedback signal to control the clock signal generator to regulate a duty cycle of the feedback portion of the off time of the power switch as a proportion of a total power switch switching cycle period. | 02-05-2009 |
| 20090091309 | OFF-LINE CONVERTER WITH DIGITAL CONTROL - A regulation circuit for use in DC to DC converter is disclosed. One such regulation circuit includes a feedback circuit to be coupled an energy transfer element output to receive a feedback signal to indicate whether the energy transfer element output is above or below a threshold level. A control circuit is included that is to be coupled to a switch that is coupled to an energy transfer element input. The control circuit is further coupled to the feedback circuit to generate a drive signal to control the switch to regulate the energy transfer element output to approximately the threshold level. The control circuit is to maintain an on-time of a current cycle of the drive signal and not allow an on-time of a next cycle of the drive signal in response to the energy transfer element output rising above the threshold level. | 04-09-2009 |
| 20090310389 | METHOD AND APPARATUS PROVIDING A MULTI-FUNCTION TERMINAL FOR A POWER SUPPLY CONTROLLER - A method for controlling a power supply is disclosed. An example method includes deactivating the power supply in response to a first current through a first terminal of a power supply controller falling below a first threshold value. The power supply is activated in response to the first current through the first terminal rising above a second threshold value. Deactivating the power comprises causing a power switch coupled to a primary winding of the power supply not to receive a switching waveform for more than one cycle until the power supply is activated. | 12-17-2009 |
| 20110085360 | METHOD AND APPARATUS PROVIDING A MULTI-FUNCTION TERMINAL FOR A POWER SUPPLY CONTROLLER - A power supply controller circuit is disclosed. An example power supply controller circuit includes a control circuit coupled to generate a switching waveform to be used to regulate an output of a power supply. A current input circuit is coupled to receive a current representative of an input of the power supply. The current input circuit is to generate a sense signal in response to the current representative of the input of the power supply. A first comparator is coupled to the current input circuit to receive the sense signal. The first comparator coupled to generate a first signal in response to the sense signal being above a first threshold. An enable/disable logic circuit is coupled to the first comparator. The enable/disable logic circuit is coupled to deactivate the control circuit in response to the first signal. | 04-14-2011 |
| Patent application number | Description | Published |
| 20090086753 | METHOD AND SYSTEM FOR EXPLOITING SPARE LINK BANDWIDTH IN A MULTILANE COMMUNICATION CHANNEL - A system for encoding data in a multilane communication channel may include at least one processor operable to generate, from existing control characters in a character set, expanded control characters utilized for controlling the data in each lane of the multilane communication channel. Each lane of the multilane communication channel may transport the data in a similar direction. The at least one processor is also operable to control at least one of the lanes of the multilane communication channel using at least one of the generated control characters. If a first control character of the existing control characters is a start-of-packet control character, the at least one processor is then operable to select a second control character from any other of the generated expanded control characters, and to indicate a start of a packet using the selected second control character for at least one of the lanes. | 04-02-2009 |
| 20090201927 | SYSTEM AND METHOD FOR COMMUNICATING USING A MULTISERVER PLATFORM - Aspects of the invention include receiving a first packet from a first of a plurality of blade servers at a first data rate and determining a second blade server that may receive the first packet. Data responsive to the received first packet may be transferred to the second blade server at a negotiated first data rate. A second packet comprising at least a portion of the first received packet may be transferred to the second blade server at the negotiated data rate. At least a portion of the first received packet may be transferred to at least the second blade server via a common bus. In another aspect of the invention, at least a third packet may be received from a network at a second data rate. Data responsive to the third packet may be transferred to at least a third blade server at a newly negotiated data rate. | 08-13-2009 |
| 20100310067 | Method and System for Providing Synchronous Running Encoding and Encryption - Aspects of the invention provide a method and system for coding information in a communication channel. More particularly, aspects of the invention provide an method and system for synchronous running encryption and/or encoding and corresponding decryption and decoding in a communication channel or link. Aspects of the method may include encoding and/or encrypting a first data using a first or second encoding table and/or a first or second encryption table. The method may indicate which one of the first or second encoding tables or which one of the first or second encryption tables were utilized for encoding and/or encrypting the said first data. The encoded and/or encrypted first data may subsequently be transferred downstream and decoded by synchronous decoder/decryptor using a corresponding decoding and/or decryption table. The corresponding decoding and/or decryption table may be determined based on the indicated first and/or second encoding and/or encrypting tables | 12-09-2010 |
| 20110066729 | METHOD AND SYSTEM TO PROVIDE BLADE SERVER LOAD BALANCING USING SPARE LINK BANDWIDTH - A method for processing network information in a multi-server platform is disclosed and includes receiving by a blade server manager, capacity utilization information embedded in spare link bandwidth from a plurality of blade servers operably coupled to the blade server manager. Digital information received on a digital communication link may be forwarded to one of the plurality of blade servers. The blade servers may be selected based on the received capacity utilization information. The capacity utilization information may include blade server work load capacity, blade server power saving capacity, blade server CPU percent utilization, and/or data representing blade server interrupt utilization. The blade server manager may be operably coupled to an Ethernet network and/or an external network. | 03-17-2011 |
| 20110110236 | Multiple Logical Channels for Use in Network Devices - A method for establishing a virtual channel between network devices is disclosed. In the case of a local network device establishing a virtual channel with a remote network device, a virtual channel request message is sent from the local network device to the remote network device. A virtual channel acknowledgement message and a remote capability list are received and a virtual channel resume message and a local capability list are sent. The virtual channel is then enabled. In the case of a remote network device establishing a virtual channel with a local network device, a virtual channel request message is received from a local network device by a remote network device. A virtual channel acknowledgement message and a remote capability list are sent and a virtual channel resume message and a local capability list are received. The virtual channel is then enabled. | 05-12-2011 |
| Patent application number | Description | Published |
| 20090320789 | Multi Fuel Co Injection System for Internal Combustion and Turbine Engines - An improved multi-fuel supply and co-injection system and method for powering internal combustion and turbine engines, whereby various combinations of fuels, both liquid and gaseous, may be mixed together and fed into the system, under the real-time control of a microprocessor responding to a variety of sensors and acting on a variety of control devices, all working together in a manner designed to enhance the utilization of the thermal content of the various fuels, and in particular to enhance the combustion efficiency and increase the power output while decreasing the consumption of fuel, calculated both by quantity and by cost and whereby the liquid fuel lubricates the moving parts of the injection system. | 12-31-2009 |
| 20110023853 | Homogenizing Fuel Enhancement System - A homogenizing fuel system involves at least one circulation loop existing outside of the injection system for continuously circulating and maintaining the homogeneity of a multi-fuel mixture apart from any demands by or delivery to the engine's injection system (whether a direct injection fuel gallery or a common rail), and at least one infusion tube configured within the at least one circulation loop for providing a volumetric expansion wherein the fuel mixture is able to slow and more sufficiently mix and thereby become relatively more homogeneous. | 02-03-2011 |
| 20110044828 | COMPRESSION APPARATUS - A compression apparatus for compressing a fluid, the apparatus having a frame and a motor mounted to the frame, the improvement comprising a drive mechanism installed on the frame so as to be driven by the motor and at least one piston-cylinder unit operably connected to the drive mechanism, the piston-cylinder unit having a cylinder, a piston slidably installed within the cylinder, and a piston rod interconnecting the piston and the drive mechanism so as to shift the piston up and down within the cylinder. | 02-24-2011 |
| 20110061622 | FUEL COMPOSITION - A fuel composition for use in an internal combustion engine comprising at least one liquid fuel and at least one gaseous fuel, the gaseous fuel having an effective solubility in the liquid fuel at twenty degrees Celsius and one atmosphere in the range of 0.0000001 g/kg to 0.0002 g/kg, wherein dispersion of the gaseous fuel within the liquid fuel before introduction of the fuel composition to the injection system of the engine is such that molecules of the liquid and gaseous fuels are substantially equidistant one from another, liquid from liquid and gas from gas, within a variance preferably of no more than one hundred percent (±100%), more preferably of no more than fifty percent (±50%), and most preferably of no more than twenty-five percent (±25%), whereby the fuel composition is substantially homogeneous so as to promote the atomization of the liquid fuel and thus improve combustion. | 03-17-2011 |