An interrupter system includes a first coil and an interrupter electrically connected to the first coil. The interrupter includes: a first terminal; a second terminal electrically connected to the first terminal; a third terminal electrically separated from the first terminal and the second terminal; a heat generating element electrically connected to the third terminal; and an explosive configured to be ignited by the heat generating element to produce a gas for interrupting an electrical connection between the first terminal and the second terminal. The first coil is electrically connected to the heat generating element via the third terminal. Moreover, the first coil is configured to, when an abnormal current flows between the first terminal and the second terminal, generate an electric power for igniting the explosive from the abnormal current.

An electronic device includes an enclosure and a keyboard positioned within the enclosure. The keyboard includes a substrate and a key mechanism. The key mechanism includes a keycap support mechanism, a keycap supported by the keycap support mechanism and movable relative to the substrate, a ferromagnetic component attached to the keycap support mechanism, and a selectively magnetizable magnet. The selectively magnetizable magnet system may include a magnetizable material and a coil configured to selectively magnetize and demagnetize the magnetizable material. The key mechanism may include a collapsible dome biasing the keycap toward the extended position.

An emergency stop device including a control assembly which can be actuated in translation along a control axis between a released position and an actuated position, a locking element cooperating with the control assembly and able to assume a locking position to hold the control assembly in its actuated position, a read device configured to generate a command for authorising unlocking of the control assembly, an unlocking actuator configured to act on the locking device to release the control assembly from its actuated position, an actuating element which can be actuated in movement to generate a mechanical energy, and an energy generator configured to convert the mechanical energy supplied by a movement of the actuating element into an electrical energy intended to power the read device.

An input device including a switch connector having a plurality of electrical terminals fixedly mounted to a circuit board. The input device including a switch assembly magnetically coupled to the switch connector in a removable manner. The switch assembly including a switch adapter having a plurality of contact elements in engagement with the plurality of electrical terminals of the switch connector, and a switch fitted to the switch adapter with a plurality of leads of the switch electrically connected to the plurality of contact elements of the switch adapter. The switch adapter being between the switch connector and the switch. The input device including a magnetic catch arrangement having a first catch unit at the circuit board and a second catch unit at the switch adapter which coact with each other to magnetically couple the switch assembly to the switch connector. A corresponding switch assembly thereof and a computer mouse.

There is provided a rectifier of an alternating input current, which may comprise: an electrical switch comprising a length of HITS material to carry an alternating switch current, the HITS material having a critical current: a magnetic field generator to apply a magnetic field to the HTS material: a control mechanism to control the magnetic field generator to switch the switch between a low-resistance state when a magnitude of the magnetic field is relatively low and a higher-resistance state when a magnitude of the magnetic field is relatively high, the relatively high magnitude being sufficient to reduce the critical current so that, for a part of the alternating switch current cycle, the current approaches the critical current, is substantially equal to the critical current or is greater than the critical current. There is further provided an electrical switch having two strands of superconducting material arranged in a bifilar arrangement.

An electrical switch responds to acoustic inputs. A microphone integrated into the electrical switch generates electrical signals in response to the acoustic inputs. A network interface integrated into the electrical switch provides addressable communication with controllers, computers, and other networked devices. The electrical switch may thus be installed or retrofitted into the electrical wiring of all homes and businesses. Users may thus speak voice commands, which are received by the electrical switch and sent for voice control of appliances and other automation tasks.

An electrical switch responds to acoustic inputs. A microphone integrated into the electrical switch generates electrical signals in response to the acoustic inputs. A network interface integrated into the electrical switch provides addressable communication with controllers, computers, and other networked devices. The electrical switch may thus be installed or retrofitted into the electrical wiring of all homes and businesses. Users may thus speak voice commands, which are received by the electrical switch and sent for voice control of appliances and other automation tasks.

An electrical switch responds to acoustic inputs. A microphone integrated into the electrical switch generates electrical signals in response to the acoustic inputs. A network interface integrated into the electrical switch provides addressable communication with controllers, computers, and other networked devices. The electrical switch may thus be installed or retrofitted into the electrical wiring of all homes and businesses. Users may thus speak voice commands, which are received by the electrical switch and sent for voice control of appliances and other automation tasks.

A key structure comprising an upper and lower key stem, a rotatable middle key stem including a magnetized element disposed therein, the rotatable middle key stem coupled between and in axial alignment with the upper and lower key stems, and a magnetic field generator configured to steer a magnetic field through the magnetized element of the rotatable middle key stem. The rotatable middle key stem is operable to be longitudinally rotatable between a first and second position, while the upper and lower key stems are rotationally fixed. The generated magnetic field, when at a first setting, applies a first magnetic force on the magnetized element causing the middle key stem to rotate to the first position, and when at a second setting, applies a second magnetic force on the magnetized element causing the middle key stem to rotate to the second position.

An electrical contact bridge for an electromechanical device includes a bridge element and a spring element. The bridge element has a first contacting portion engaging a first electrical terminal of the electromechanical device, a second contacting portion engaging a second electrical terminal of the electromechanical device, and a middle portion between the first contacting portion and the second contacting portion. The spring element has a flat spring attached to the middle portion.