Patent application number | Description | Published |
20080266740 | OVERVOLTAGE PROTECTION IN A POWER SUPPLY - A method for protecting against over voltage in a power supply comprises monitoring current amplitude and direction on an output connection of a power source that combines power from a plurality of power sources, and determining occurrence of a fault condition of the monitored power source based on the current amplitude and direction. In a fault condition of the monitored power source, operation of the monitored power source subject to the fault condition is terminated while continuing operation of the plurality of power sources exclusive of the monitored power source. | 10-30-2008 |
20080270808 | Electronic Device - An electronic device is disclosed herein. An embodiment of the electronic device comprises an electronic component, wherein the electronic component is operated by a DC voltage. The electronic component comprises an AC to DC converter that converts an AC voltage to the DC voltage, wherein the RMS value of the AC voltage is greater than the DC voltage. The electronic device further comprises a power supply comprising an input and an output. The input is connectable to a line voltage and the output is connected to the AC to DC converter of electronic component. The AC voltage is output by the output of the power supply. | 10-30-2008 |
20110123014 | Path Redundant Hardware Efficient Communications Interconnect System - A path redundant, hardware efficient communications interconnect ( | 05-26-2011 |
20110213354 | Enhanced Lossless Current Sense Circuit - A switched inductor system is provided that includes a switching regulator configured to receive an input signal and provide a voltage output, the switching regulator having one or more switches and one or more inductors. The system also includes a sensing circuit in parallel with the inductor. The sensing circuit includes a first RC circuit configured to detect an alternating current component of the voltage output and a second RC circuit configured to detect a direct current component of the voltage output. | 09-01-2011 |
20120239025 | Isolated Current Sensor - An electrosurgical generator is disclosed. The generator includes an output stage configured to generate a frequency electrosurgical waveform. A bridge rectifier is coupled to the output stage and configured to pass-through the radio frequency electrosurgical waveform and to transform at least a portion of the radio frequency electrosurgical waveform into direct current. The generator also includes an isolated current sensor configured to measure amplitude of the direct current. | 09-20-2012 |
20130053840 | System and Method for DC Tissue Impedance Sensing - A system and method for transmitting electrosurgical energy from a generator to an electrosurgical instrument are provided. The electrosurgical system includes a generator adapted to generate electrosurgical energy for treating tissue. The generator includes one or more active output terminals which supply energy to the tissue. The active output terminals are operatively connected to one or more active leads. The generator also includes one or more return output terminals which returns energy from the tissue. The return output terminals are operatively connected to at least one return lead. The system also includes an electrosurgical instrument operatively connected to the one or more active leads and one or more return electrodes operatively connected to one or more return leads. The system further includes an electrosurgical cable including one or more active leads and one or more return leads. The one or more active leads and one or more return leads are wound in a double helix fashion such that the electrical field along the cable is mitigated along the length thereof. | 02-28-2013 |
20130066311 | Surgical Generator And Related Method For Mitigating Overcurrent Conditions - A surgical generator and related method for mitigating overcurrent conditions are provided. The surgical generator includes a power supply, a radio frequency output stage, an overcurrent detection circuit in operative communication with an interrupt circuit, and a processor. The power supply generates a power signal and supplies the power signal to the radio frequency output stage. The radio frequency output stage generates a radio frequency signal from the power signal. The overcurrent detection circuit detects an overcurrent of the power signal and/or an overcurrent of the radio frequency signal. The interrupt circuit provides an interrupt signal in response to a detected overcurrent. The processor receives the interrupt signal and supplies a pulse-width modulation signal to the power supply and incrementally decreases the duty cycle of the pulse-width modulation signal in response to the interrupt signal. The radio frequency output stage may be disabled in response to the detected overcurrent. | 03-14-2013 |
20130249721 | System and Method for Detection of ADC Errors - The present disclosure provides for a system for testing an analog-to-digital converter. The system includes a test pulse source configured to provide a test pulse signal; a test circuit coupled to the test pulse source and configured to provide an analog decaying voltage signal in response to the test pulse signal; and an analog-to-digital converter coupled to the test circuit and configured to convert the analog decaying voltage signal into a digital decaying voltage signal. | 09-26-2013 |
20130267945 | Electrosurgical Generator - An electrosurgical system for performing an electrosurgical procedure is provided and includes an electrosurgical generator and a calibration computer system. The electrosurgical generator includes one or more processors and a measurement module including one or more log amps that are in operative communication with the processor. The calibration computer system configured to couple to a measurement device and is configured to measure parameters of an output signal generated by the electrosurgical generator. The calibration computer system is configured to compile the measured parameters into one or more data look-up tables and couple to the electrosurgical generator for transferring the data look-up table(s) to memory of the electrosurgical generator. The microprocessor is configured to receive an output from the log amp(s) and access the data look-up table(s) from memory to execute one or more control algorithms for controlling an output of the electrosurgical generator. | 10-10-2013 |
20140094786 | MEDICAL DEVICES FOR THERMALLY TREATING TISSUE - A medical device for treating tissue includes a tissue-contacting surface and a solid state heating element that is thermally coupled to the tissue-contacting surface. The solid state heating element is configured to generate heat to thermally treat tissue. | 04-03-2014 |
20140106626 | ELECTRICAL CONTACT PINS FOR ELECTRICALLY COUPLING ELECTRONIC DEVICES, BATTERIES, AND/OR BATTERY CHARGERS - An electrical contact pin includes an outer shaft, an inner shaft at least partially received within the outer shaft and slidable relative to the outer shaft, and a rotatable member disposed at a free end of the inner shaft. The rotatable member is rotatable relative to the inner shaft in at least one direction. | 04-17-2014 |
20150088115 | SURGICAL INSTRUMENTS, SYSTEMS, AND METHODS INCORPORATING WIRELESS BI-DIRECTIONAL COMMUNICATION - A surgical system and method is provided generally including a portable surgical instrument, a battery assembly, and a battery charger. The battery assembly is removably coupled to the portable surgical instrument and is configured to wirelessly transfer electrical power to the portable surgical instrument. The battery assembly is also removably couplable to the battery charger and is configured to wirelessly transfer electrical power to the battery charger and wirelessly receive electrical power from the battery charger. The portable surgical instrument and the battery charger are configured for simultaneous bi-directional communication of data with the battery assembly via the transferred or received electrical power. | 03-26-2015 |