A method and system for suppressing EMP-induced voltage surges due to transient electromagnetic energy disturbance such as a detonation of a nuclear weapon at high altitude generating an EMP (HEMP) comprising E1, E2, and E3 component pulses. Surge protection assemblies are mounted inline, intermediate AC and DC distribution power lines and a plurality of electrical and electronic devices, powered by the lines. The inline mounting of the reconfigurable surge suppression system eliminates any time delay response of the plurality of protecting assemblies and the allowable voltage amplitude level of the protecting assemblies are selected and combined to achieve a predefined desired response time and protection level capacity to react to and mitigate the E1, E2, and E3 components of a complex multi-pulse EMP pulse generated by detonation of a nuclear weapon at high altitude (HEMP). The reconfigurable surge suppressing systems is interoperable with plurality of electrical interfaces.

A method and system for suppressing EMP-induced voltage surges due to transient electromagnetic energy disturbance such as a detonation of a nuclear weapon at high altitude generating an EMP (HEMP) comprising E1, E2, and E3 component pulses. Surge protection assemblies are mounted inline, intermediate AC and DC distribution power lines and a plurality of electrical and electronic devices, powered by the lines. The inline mounting of the reconfigurable surge suppression system eliminates any time delay response of the plurality of protecting assemblies and the allowable voltage amplitude level of the protecting assemblies are selected and combined to achieve a predefined desired response time and protection level capacity to react to and mitigate the E1, E2, and E3 components of a complex multi-pulse EMP pulse generated by detonation of a nuclear weapon at high altitude (HEMP). The reconfigurable surge suppressing systems is interoperable with plurality of electrical interfaces.

A data interconnect system includes: a plurality of pins arranged within a receptacle, a first one of the pins being a power pin, wherein the pins are electrically isolated from each other within the receptacle; a first switching network including a first plurality of parallel switching devices, each of the parallel switching devices of the first plurality of parallel switching devices coupling a respective one of the pins to a node; a first current path from the node to ground, the first current path including a current device; and a second current path, parallel to the first current path, the second current path including a resistor coupling the node to ground.

A data interconnect system includes: a plurality of pins arranged within a receptacle, a first one of the pins being a power pin, wherein the pins are electrically isolated from each other within the receptacle; a first switching network including a first plurality of parallel switching devices, each of the parallel switching devices of the first plurality of parallel switching devices coupling a respective one of the pins to a node; a first current path from the node to ground, the first current path including a current device; and a second current path, parallel to the first current path, the second current path including a resistor coupling the node to ground.

The present invention relates to an apparatus and method for detecting an earthquake using an accelerometer. More particularly, the present invention relates to an apparatus and method for detecting an earthquake using an accelerometer, the apparatus and method being capable of improving reliability of acceleration data obtained from the accelerometer and reliably determining whether an earthquake has occurred on the basis of a change between current acceleration data and previous acceleration data.

The present invention relates to an apparatus and method for detecting an earthquake using an accelerometer. More particularly, the present invention relates to an apparatus and method for detecting an earthquake using an accelerometer, the apparatus and method being capable of improving reliability of acceleration data obtained from the accelerometer and reliably determining whether an earthquake has occurred on the basis of a change between current acceleration data and previous acceleration data.

The disclosure provides a technique to prevent and/or reduce a terminal of an audio jack from being corroded due to residual moisture introduced into the audio jack. According to various embodiments of the disclosure, an electronic device may include an audio jack including a plurality of terminals including a first detection terminal and a second detection terminal; at least one processor functionally connected to the audio jack; and a memory. The memory may store instructions that, when executed by the at least one processor, control the electronic device to: detect an occurrence of an insertion interrupt of an object in the audio jack through the first detection terminal, determine whether the object is a jack plug based on an impedance value measured through the second detection terminal, and stop applying a voltage to the first detection terminal when the object is determined not to be the jack plug.

The disclosure provides a technique to prevent and/or reduce a terminal of an audio jack from being corroded due to residual moisture introduced into the audio jack. According to various embodiments of the disclosure, an electronic device may include an audio jack including a plurality of terminals including a first detection terminal and a second detection terminal; at least one processor functionally connected to the audio jack; and a memory. The memory may store instructions that, when executed by the at least one processor, control the electronic device to: detect an occurrence of an insertion interrupt of an object in the audio jack through the first detection terminal, determine whether the object is a jack plug based on an impedance value measured through the second detection terminal, and stop applying a voltage to the first detection terminal when the object is determined not to be the jack plug.

An interface control circuit comprises an interface signal transceiver circuit coupled with an interface which includes at least one interface pin for transmitting and/or receiving an interface signal through the interface, and a protection circuit for generating a protection control signal according to a capacitance of a first interface pin. During a predetermined detection time period starting from an attaching event, the protection circuit senses the capacitance of the first interface pin, and determines that there is an electrolytic substance existing and coupled with the first interface pin when the capacitance is larger than a predetermined first capacitance threshold. The protection control signal triggers the interface signal transceiver circuit to execute a protection operation. The interface includes the first interface pin and the second interface pin, and the first interface pin and the second interface pin can be one same pin or separate different pins.

A battery interrupter system including an electrical motor for a machine, at least one battery which powers an electrical system of a machine, a programable logic controller electrically connected to the electrical system and an ignition electrically connected to the programmable logic controller. The battery interrupter system also includes a button, which initiates the battery interrupter system, is connected to the programmable logic controller, at least one contactor electrically connected to the at least one battery and the programmable logic controller, wherein the programmable logic controller is configured to sends a signal to the at least one contactor to latch-in the contactor and enable an electrical connection between the at least one battery and the electrical system of the machine, and a detection sensor electrically connected to the programmable logic controller, wherein the detection sensor identifies operating conditions of the electrical system.