An electropermanent magnet array is provided. The electropermanent magnet array includes one or more of a plurality of electropermanent magnets, arranged in a parallel fashion, a plurality of switching circuits, each switching circuit coupled to a different electropermanent magnet of the plurality of electropermanent magnets, and a control circuit, coupled to the plurality of switching circuits. The control circuit is configured to receive commands to control the plurality of switching circuits to demagnetize the plurality of electropermanent magnets, magnetize the plurality of electropermanent magnets to produce a first magnetic field with a strength and an attraction distance and magnetize the plurality of electropermanent magnets to produce a second magnetic field with a lower strength and greater attraction distance than the first magnetic field.

Magnetic coupling devices are disclosed having magnetic field sensors. The magnetic coupling device may include degaussing coils wrapped about pole extension shoes of the magnetic coupling device.

Devices for detachable attachment to a ferromagnetic object and/or surface are disclosed. The device may comprise a core housing defining a pocket, a magnet disposed in the pocket, and a baseplate fixed to the magnet sheet assembly. The baseplate may include a pivot portion that engages a corresponding portion of the core housing to form a hinge joint such that the baseplate and the magnetic sheet assembly selectively pivot about a pivot axis of the hinge joint relative to the core housing. The camming mechanism may apply a camming force to a portion of the baseplate and the camming force may urge the magnet and the baseplate to pivot about the pivot axis of the hinge joint.

The present disclosure discloses an electromagnetic distributor and a toilet. The electromagnetic distributor comprises: a housing including a water inlet and at least two water outlets in communication with the water inlet; at least two solenoid valve cores, wherein the at least two solenoid valve cores correspond to the at least two water outlets; magnetic conducting part including at least two magnetic conducting chambers, wherein an electromagnetic loop is formed in each of the magnetic conducting chambers; wherein the at least two solenoid valve cores are respectively disposed in the at least two magnetic conducting chambers, and wherein each of the solenoid valve cores is configured to move away from or close to the corresponding water outlet under magnetic field generated by the corresponding electromagnetic loop, so as to independently control opening and closing of the corresponding water outlet. The toilet comprises the electromagnetic distributor according to any of the above.

The present disclosure discloses an electromagnetic distributor and a toilet. The electromagnetic distributor comprises: a housing including a water inlet and at least two water outlets in communication with the water inlet; at least two solenoid valve cores, wherein the at least two solenoid valve cores correspond to the at least two water outlets; magnetic conducting part including at least two magnetic conducting chambers, wherein an electromagnetic loop is formed in each of the magnetic conducting chambers; wherein the at least two solenoid valve cores are respectively disposed in the at least two magnetic conducting chambers, and wherein each of the solenoid valve cores is configured to move away from or close to the corresponding water outlet under magnetic field generated by the corresponding electromagnetic loop, so as to independently control opening and closing of the corresponding water outlet. The toilet comprises the electromagnetic distributor according to any of the above.

A switchable magnet device comprising at least one magnet package which can be moved between an interaction position and a release position, wherein the magnet device is configured such that the at least one magnet package, when moving between the interaction position and the release position, at least in portions, performs a pivot movement about a pivot axis. An actuation device is also provided, which can be coupled to the at least one magnet package to move the at least one magnet package between the interaction position and the release position. In order to easily lift the magnet from the formwork support in a small working space, the magnet device is configured such that the at least one actuation device, at least in portions and at least temporarily during the pivot movement of the at least one magnet package, performs a linear movement in a linear movement direction.

A switchable magnet device comprising at least one magnet package which can be moved between an interaction position and a release position, wherein the magnet device is configured such that the at least one magnet package, when moving between the interaction position and the release position, at least in portions, performs a pivot movement about a pivot axis. An actuation device is also provided, which can be coupled to the at least one magnet package to move the at least one magnet package between the interaction position and the release position. In order to easily lift the magnet from the formwork support in a small working space, the magnet device is configured such that the at least one actuation device, at least in portions and at least temporarily during the pivot movement of the at least one magnet package, performs a linear movement in a linear movement direction.

A switch apparatus includes a base module including a base case; a manipulation module including a manipulation case, and a grip mounted on an external circumferential surface of the manipulation case; a magnetic mechanism including a base-side magnetic unit provided to the base module, and a manipulation-side magnetic unit provided to the manipulation module; and a grip force sensing unit provided between the manipulation case and the grip, wherein the grip force sensing unit detects whether a grip force applied to the grip is greater than or equal to a predetermined threshold, and the magnetic mechanism is configured to vary a magnetic force generated between the base-side magnetic unit and the manipulation-side magnetic unit in accordance with a magnitude of the grip force detected by the grip force sensing unit.

A switchable permanent magnetic unit is disclosed. The unit comprises: a housing, first and second permanent magnets, and a conductive coil. The first magnet is mounted within the housing and the second magnet is rotatable between first and second positions and mounted within the housing in a stacked relationship with the first magnet. The unit generates a first level of magnetic flux at a workpiece contact interface when the second magnet is in the first position and a second level of magnetic flux at the interface when the second magnet is in the second position, the second level being greater than the first level. The conductive coil is arranged about the second magnet and generates a magnetic field. A component of the conductive coil's magnetic field is directed from S to N along the second magnet's N-S pole pair when the second magnet is in the first position.

A switchable permanent magnetic unit is disclosed. The unit comprises: a housing, first and second permanent magnets, and a conductive coil. The first magnet is mounted within the housing and the second magnet is rotatable between first and second positions and mounted within the housing in a stacked relationship with the first magnet. The unit generates a first level of magnetic flux at a workpiece contact interface when the second magnet is in the first position and a second level of magnetic flux at the interface when the second magnet is in the second position, the second level being greater than the first level. The conductive coil is arranged about the second magnet and generates a magnetic field. A component of the conductive coil's magnetic field is directed from S to N along the second magnet's N-S pole pair when the second magnet is in the first position.