There have been many types of sports shoes varying in design and material. The market-leading sports shoes are Nike and Asics. Nike is famous for its patented Air Max technology and Asics for its unique liquid cushioning element technology. These are excellent shoes in its own category. Yet, sports players are also looking for a shoe that can switch between the hi-rebound high performance sports mode and soft-cushioned regular mode conveniently. Our new design of the shoe sole tackles this task with a unique approach. We design the shoe sole into three zones according to its dynamic feature and fill the corresponding zones with different foaming material and an interchangeable compact MagLev module. This new design meets the challenge and opens up a new way for shoe manufacturing.

According to the present invention there is provided an active vibration control system comprising: an electromagnetic actuator; a magnetic element; and a solenoid, the electromagnetic actuator being operable to apply a force on a base structure to which the active vibration control system is attachable such that vibrations of the base structure are actively controllable by the application of said force, wherein the electromagnetic actuator is operable to cause movement of the magnetic element through the solenoid and the solenoid is operable to apply a force on the magnetic element.

According to the present invention there is provided an active vibration control system comprising: an electromagnetic actuator; a magnetic element; and a solenoid, the electromagnetic actuator being operable to apply a force on a base structure to which the active vibration control system is attachable such that vibrations of the base structure are actively controllable by the application of said force, wherein the electromagnetic actuator is operable to cause movement of the magnetic element through the solenoid and the solenoid is operable to apply a force on the magnetic element.

According to the present invention there is provided an active vibration control system comprising: a driving mechanism and a control mechanism comprising an electromagnetic actuator, the driving mechanism being operable to apply a force on a base structure to which the active vibration control system is attachable such that vibrations of the base structure are actively controllable by the application of said force, wherein the driving mechanism and control mechanism are relatively moveable such that the active vibration control system has at least two modes of vibration, and wherein movement of the driving mechanism causes movement of at least a part of the control mechanism.

According to the present invention there is provided an active vibration control system comprising: a driving mechanism and a control mechanism comprising an electromagnetic actuator, the driving mechanism being operable to apply a force on a base structure to which the active vibration control system is attachable such that vibrations of the base structure are actively controllable by the application of said force, wherein the driving mechanism and control mechanism are relatively moveable such that the active vibration control system has at least two modes of vibration, and wherein movement of the driving mechanism causes movement of at least a part of the control mechanism.

According to the present invention there is provided an active vibration control system comprising: an electromagnetic actuator and a control element, the electromagnetic actuator being operable to apply a force on a base structure to which the active vibration control system is attachable such that vibrations of the base structure are actively controllable by the application of said force, wherein the electromagnetic actuator and control element are relatively moveable such that the active vibration control system has at least two modes of vibration, and wherein movement of the electromagnetic actuator causes movement of at least a part of the control element.

According to the present invention there is provided an active vibration control system comprising: an electromagnetic actuator and a control element, the electromagnetic actuator being operable to apply a force on a base structure to which the active vibration control system is attachable such that vibrations of the base structure are actively controllable by the application of said force, wherein the electromagnetic actuator and control element are relatively moveable such that the active vibration control system has at least two modes of vibration, and wherein movement of the electromagnetic actuator causes movement of at least a part of the control element.

The present disclosure provides a multi-stable solenoid with one or more magnetic damping rings. In general, the magnetic damping rings provide an increased damping force to an armature of the multi-stable solenoid to ensure efficient operation, reduce detent position overshoot, and reduce an impact force at end positions.

A system for reducing the effect of a force includes a panel having a first side and a second side; a plurality of contact members disposed around a perimeter of the panel first side; and a biasing member positioned around a perimeter of the panel second side. The perimeter of the panel second side generally corresponds to the perimeter of the panel first side. The biasing member biases the contact members toward the panel first side. In a use configuration, a force received by the panel second side is at least partially transferred to the contact members causing at least one of the contact members to temporarily lose contact with the panel first side, whereby the return of the contact member into contact with the panel first side imparts a second force onto the panel first side, the second force being less than the force transferred to the contact members.

Method for vibration damping of and vibration damper assembly for semi-submerged or submerged structure, based on separating hydrodynamic added mass from the semi-submerged or submerged structure by means of a vibration damper assembly exhibiting spring and/or damper properties and use the hydrodynamic added mass as a reaction mass in the vibration damper assembly.