Abstract: A power management system includes a power management and load distribution (PMLD) circuit within an airplane coupled to an AC power source, at least one AC/DC conversion circuit operable to convert the AC power into a DC power, and at least one programmable output capability outlet (PPCO) circuit operable to receive the DC power. The PMLD circuit stores a predetermined maximum power limit, continuously measures a power output, and increases or decreases a power capability setting based on a comparison of the measured power output to the predetermined maximum power limit. The PPCO circuit includes a USB connector couplable to a personal electronic device (PED) of a passenger for charging the PED at an amount of DC power indicated by the power capability setting. The PPCO circuit is also operable to negotiate a power contract with the PED.

Abstract: A pin displacement assembly displaces a pin from a socket. The pin may be broken off from a connection plug and thereby difficult to access from inside a cavity in the socket. The assembly utilizes a lever and fulcrum system to leverage a force used to displace the pin from the cavity. The assembly includes a pin contact member that at least partially positions inside the cavity for facilitated access to the pin. A motion transmission device leverages the force for displacing the pin. The motion transmission device includes an arm. The arm includes an arm lever end and an arm pin end. A hinge positions between the arm lever end and the arm pin end. The hinge alters the direction of the force in the form of torque, by rotating the arm about the hinge. In this manner, the optimal mechanical advantage is realized.