There is provided a system that, when in operation, classifies one or more elements within an input signal, wherein the system: receives a compressed version of the input signal, wherein the compressed version comprises at least two sets of compressed data in a hierarchy, wherein each set of compressed data, when decoded, enables the signal to be reconstructed up to a respective level of quality; decodes the compressed version of the signal up to a first level of quality by decoding a first set of compressed data to generate a first reconstructed signal; performs a first classification operation on the first reconstructed signal; decodes the compressed version of the signal up to a second level of quality by decoding a second set of compressed data to generate a second reconstructed signal; and performs one or more second classification operations on the second reconstructed signal.

The invention relates to a method for supplying electrical energy (10), wherein a heat accumulator (2) is charged with thermal energy (3) in a heat charging station (1), wherein the thermal energy (3) is converted into electrical energy (10) in a conversion station (5). The invention also relates to an energy supply system for supplying electrical energy (10), in particular according to said method, wherein the energy supply system has at least one heat accumulator (2), and wherein the energy supply system has a heat charging station (1) for charging the heat accumulator (2) with thermal energy (3). The energy supply system has a conversion station (5) for converting thermal energy (3) stored in the heat accumulator (2) into electrical energy (10), wherein the system has an energy generating device for generating electrical energy (10), and wherein the system is designed to convert electrical energy (10) generated by the energy generating device into thermal energy (3) and to store same in the heat accumulator (2).

The invention relates to a method for supplying electrical energy (10), wherein a heat accumulator (2) is charged with thermal energy (3) in a heat charging station (1), wherein the thermal energy (3) is converted into electrical energy (10) in a conversion station (5). The invention also relates to an energy supply system for supplying electrical energy (10), in particular according to said method, wherein the energy supply system has at least one heat accumulator (2), and wherein the energy supply system has a heat charging station (1) for charging the heat accumulator (2) with thermal energy (3). The energy supply system has a conversion station (5) for converting thermal energy (3) stored in the heat accumulator (2) into electrical energy (10), wherein the system has an energy generating device for generating electrical energy (10), and wherein the system is designed to convert electrical energy (10) generated by the energy generating device into thermal energy (3) and to store same in the heat accumulator (2).

One embodiment includes an electrical tanker aircraft for in-flight recharging a worker aircraft, comprising: a charge source; an umbilical to engage an in-flight charge recipient aircraft; and control logic to determine that the umbilical has engaged the charge recipient aircraft, and to transfer charge until a termination condition is met.

One embodiment includes an electrical tanker aircraft for in-flight recharging a worker aircraft, comprising: a charge source; an umbilical to engage an in-flight charge recipient aircraft; and control logic to determine that the umbilical has engaged the charge recipient aircraft, and to transfer charge until a termination condition is met.

A system for servicing watercraft includes one or more waterborne platforms. Each waterborne platform includes an electric power supply, a driving system for moving the waterborne platform in a body of water, a watercraft interfacing system configured to at least supply electric power to an electrically-powered watercraft, and a control interface configured to exchange data with a controller. The controller is configured to: receive input data, determine respective destination locations for the waterborne platforms to supply electric power to the electrically-powered watercraft, and send control data that includes data indicating the destination locations to the waterborne platforms.

In one or more implementations, a portable booster or charging device is provided that provides emergency power to an electric vehicle. In one or more configurations, such an electric vehicle (“EV”) charger is configured to supply an EV with sufficient power that so that the vehicle will not require a tow-truck or otherwise be stranded. Specifically, the present invention is directed to providing on-demand or emergency power to EVs that are out of power and away from a dedicated charging facility.

In one or more implementations, a portable booster or charging device is provided that provides emergency power to an electric vehicle. In one or more configurations, such an electric vehicle (“EV”) charger is configured to supply an EV with sufficient power that so that the vehicle will not require a tow-truck or otherwise be stranded. Specifically, the present invention is directed to providing on-demand or emergency power to EVs that are out of power and away from a dedicated charging facility.

A system is disclosed which includes a primary energy storage device with a first voltage level, a secondary energy storage device with a second Voltage level that is lower than the first voltage level, and a bidirectional direct current (DC-DC) converter coupled to the primary and secondary energy storage devices. The bidirectional DC-DC converter is operable to transfer energy from the primary energy storage device to the secondary energy storage device and from the secondary energy storage device to the primary energy storage device.

A system is disclosed which includes a primary energy storage device with a first voltage level, a secondary energy storage device with a second Voltage level that is lower than the first voltage level, and a bidirectional direct current (DC-DC) converter coupled to the primary and secondary energy storage devices. The bidirectional DC-DC converter is operable to transfer energy from the primary energy storage device to the secondary energy storage device and from the secondary energy storage device to the primary energy storage device.