Abstract: A proximal end portion of a robotic surgical arm is to be coupled to an adapter of a surgical robotic platform, for use during a surgical session at the platform, and then decoupled from the adapter for storage until being re-coupled for use during another surgical session at the platform. A resonant-mode transformer-coupled power converter is provided that has a secondary side and a primary side. The secondary side is in the arm and has a transformer secondary coil in the proximal end portion of the arm. The primary side has a transformer primary coil in the adapter. The primary and secondary coils are held at positions and orientations that enable mutual inductive coupling between them for operation of the power converter when the arm is coupled to the adapter. Other embodiments are also described and claimed.

Abstract: A power distribution unit comprising at least two conductors, a plurality of outlets, a plurality of indicator lights, an AC-DC conversion circuit, and a control circuit is provided. Each outlet is electrically coupled to two of the conductors. Each indicator light corresponds to one of the outlets. The input of the AC-DC conversion circuit is electrically coupled to two of the conductors. The control circuit is electrically coupled to the indicator lights and the output of the AC-DC conversion circuit. The control circuit is configured for sequentially driving the indicator lights, and is configured for controlling, according to the group information of each grouped outlet, a corresponding indicator light to display a corresponding color of a group to which the grouped outlet belongs.

Abstract: An electronically controlled add-on device with a switch arrangement comprises a powered switch which is open during most of its lifetime, i.e. during both storage and operational use. More specifically, in one embodiment the add-on device comprises a secondary switch so that there are an open and a closed switch. The logics of the electronic circuitry control the circuitry so that the closed switch will be un-powered and the open switch will be powered. When the switch is mechanically changed, both switches are changed by the controller so that the closed switch will be un-powered and the open switch will be powered.

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for controlling a power level of wireless power transfer. Certain aspects provide a wireless power receiver. The wireless power receiver includes an antenna and a rectifier. The rectifier includes a first diode and a second diode. The wireless power receiver further includes a resistor in parallel with the first diode. A first terminal of the resistor is coupled to a first terminal of the first diode. A second terminal of the resistor is coupled to a second terminal of the first diode.

Abstract: In electric vehicle supply equipment (EVSE), interruption of charging due to overheating is prevented by adjusting the pulse duty cycle on the control pilot conductor communicating the maximum allowed current level to the electric vehicle, the adjustment being performed whenever the EVSE temperature exceeds a predetermined threshold temperature below the maximum operating temperature as a function of the approach of the temperature to the maximum operating temperature.

Abstract: Devices, methods, systems, and computer-readable media for an auto-tunable wireless charger are described herein. One or more embodiments include a tuner comprising a directional coupler connected between a frequency generator and a tuning cap to receive reflections on a transmit line of the directional coupler, and a controller coupled to the directional coupler and the tuning cap to monitor the reflections on the transmit line and to adjust the tuning cap based on the monitored reflections on the transmit line.

Abstract: Apparatuses and methods for configuring and managing solar panels to form strings of photovoltaic energy generators with improved performance and reduced cost. The photovoltaic energy generators are connected via one or more combined local management units (CLMUs), each having a plurality of direct current converters connected to and configured to receive direct current power from a respective solar panel. A controller unit shared by the CLMU's direct current converters is utilized to separately control the operation of each converter such that the power extracted from the solar panels is maximized. A communications unit coupled with the controller unit is utilized to facilitate communications between the controller unit and a system unit remote from the CLMU to report measurements and receive control signals.

Abstract: A remote controlled extension cord. The extension cord has a wire attached to a plug with an integrated base. The base serves to cradle a remote control, which is used to turn power on/off to the extensions on the cord. The extension cord has a number of advanced operations, for example a sequential flash operation which cycles power between all of the individual sockets in the extension cord in sequence, and then repeats the sequence. This can all be controlled by the remote control.

Abstract: A power adapter for a peripheral device such as portable electronics device is disclosed. The power adapter includes a housing that contains electrical components associated with the power adapter. The power adapter also includes a data port provided at a surface of the housing. The data port is configured to provide external power to the peripheral device.

Abstract: An inductive power supply system includes a non-contact power supply for energizing a device. The inductive power supply system includes a communication system for enabling communication between a device and the system. The device transmits an identifier to the system. If the device does not have a transmitter, the system attempts to determine the type of device from a characterization of the power consumption by the device. If the device cannot be characterized, the inductive power supply system can be operated manually.

Abstract: This application relates to a wireless sensor (10) suitable for non-destructive testing of a test object. The sensor comprises a transducer (12) and an electrically conductive transducer coil (16) configured to define an enclosure and being electrically coupled to the transducer to enable the transducer to be inductively operated by a remote device. The enclosure defined by the transducer coil has an internal width dimension that is wider than a corresponding width dimension of the transducer.

Abstract: A wireless switch includes a button member, a power generation module, an RF module, and a notification unit. The button member is mounted in a housing, and is configured to move. The power generation module is configured to generate power using energy produced by the movement of the button member. The RF module is connected to the power generation module, and is configured to transmit a switch signal using power generated by the power generation module. The notification unit is configured to operate using power generated by the power generation module. The RF module controls the notification unit in one or more notification states according to a strength or details of a reception state signal corresponding to the transmitted switch signal.

Abstract: It is described a method and related system for transferring electric energy from an electric energy source to a load to be electrically supplied. The method and related system allow to store electric energy from an electric energy source and supply a load using at least one capacitor and at least one rechargeable battery in which, during the step of charging, the method, related to the availability of the electric supply, can choose to charge sequentially or simultaneously said at least one capacitor and said at least one rechargeable battery. During the step of discharging, the method supplies the load using sequentially electric energy stored in said at least one capacitor and after that in said at least one rechargeable battery.

Abstract: A photovoltaic system includes: a photovoltaic generator comprising strings that each includes one or more photovoltaic cells; a power converter; switches; and a controller. The power converter is configured to convert direct current (DC) power provided by the photovoltaic generator into alternating current (AC) power, and to output the AC power. Each switch is associated with one of the strings and is configured to connect the associated string to the power converter when set to a first setting, such that power generated by the first string can flow to the power converter. Each switch is also configured to disconnect the string from the power converter when set to a second setting. The controller is configured to control the power provided by the photovoltaic generator by selectively connecting the strings of the photovoltaic generator to the power converter by controlling the settings of the switches.

Abstract: A computer power supply unit with output mode determining function includes a voltage difference amplification circuit, a comparison circuit, a linear voltage regulator circuit, a drive circuit and a clamp circuit. A diode is disposed between the first and second input ends of the voltage difference amplification circuit. According to whether the diode generates turn-on bias, the voltage difference amplification circuit outputs a first voltage level. According to the first voltage level and the value of the constant voltage, the comparison circuit outputs a second voltage level. According to the value of the second voltage level, the drive circuit drives or does not drive the clamp circuit so as to judge the output mode of the power supply unit.

Abstract: A communication host and a photovoltaic power generation system are provided. The communication host includes an acquiring module, a determining module and a control module. The acquiring module is configured to acquire an operating state parameter of the system. The determining module is configured to determine whether the optimizer meets a first preset triggering condition based on the operating state parameter. In a case where the optimizer meets the first preset triggering condition, a first triggering instruction is transmitted, to instruct the system to decrease, in response to the first triggering instruction, the direct current bus voltage of the grid-connected inverter, and/or a second triggering instruction is transmitted, to instruct the system to increase, in response to the second triggering instruction, an output voltage limiting value of at least one of the optimizers meeting the first preset triggering condition.

Abstract: A wireless power transmission apparatus includes resonators configured to transmit a power wirelessly to another resonator, and a controller configured to control a current magnitude and/or a voltage magnitude of a power to be provided to each of the resonators. The apparatus further includes a feeder configured to provide the power to each of the resonators.

Abstract: This invention is generally concerned with power supply circuits, and more particularly, with circuits to supply power to a mains supply, such as domestic grid mains, from a photovoltaic device. A photovoltaic power conditioning circuit for providing power from a photovoltaic device to an alternating current mains power supply line, the circuit comprising: a DC input to receive DC power from said photovoltaic device; an AC output configured for direct connection to said AC mains power supply line; a DC-to-AC converter coupled to said DC input and to said AC output to convert DC power from said photovoltaic device to AC power for output onto said power supply line; and an electronic controller directly coupled to said power supply line to measure a voltage of said power supply line and a current in said supply line and to control said DC-to-AC converter responsive to said measuring.

Abstract: Systems, apparatuses and methods for an adaptable tuning circuit for a wireless power transfer system including an inductor and a capacitor. An input may be configured to receive alternate current (AC) power. An RC circuit may include a resistor and a supply capacitor, where a first diode is configured to be forward biased when the AC power is positive for charging the supply capacitor, and a second diode is configured to be forward biased when the AC power is negative for minimizing discharge from the supply capacitor. A tuning logic is provided for controlling power from the supply capacitor to a tuning circuit comprising a tuning capacitor and a switch arrangement, wherein the tuning circuit is configured to be parallel to the capacitor of the wireless power transfer system.

Abstract: An efficient power supply with fast, wideband response has been disclosed. In one implementation, two switching regulators with different frequency responses are combined to provide wideband, efficient power.