Disclosed is a brushless DC vibration motor. An eccentric weight of a rotor is securely sandwiched between a back yoke and a permanent magnet, being heavier to provide an increased vibrational force. A bearing coupling portion with upper and lower stopping protrusions prevents detachment of a bearing. A bracket is formed with grooves, instead of through holes, to strongly support a cogging plate of which pieces are connected with each other to form a single body for easy-placement on the bracket. An optimized area of the cogging plate can suppress the rotor not to rise during starting of the motor, resulting in no frictional noise, and a high stopping speed and uniform horizontal level of the rotating rotor.

A vibration power generator includes a coil attached to a frame and a moving body that is supported on the frame through a spring and has a magnet facing the coil, and relatively moves the moving body with respect to the coil to generate electric power. The moving body has the magnet, a yoke material that is attached to the magnet and forms a magnetic circuit, and a weight member. Average specific gravity of the moving body is 8 g/cm.sup.3 or more.

The present disclosure provides a vibration device, including a stator, an eccentric wheel and an electromagnetic driving assembly. The eccentric wheel rotates around a rotating shaft relative to the stator. The electromagnetic driving assembly includes at least one magnetic element and an induction coil. The at least one magnetic element is disposed on the eccentric wheel. The induction coil corresponds to the magnetic element, and the induction coil is disposed on the stator. When a current is applied to the induction coil, the induction coil acts with the magnetic element to generate an electromagnetic force to drive the eccentric wheel to rotate around the rotating shaft, so that the vibration device generates a vibration. The rotating shaft is disposed on the stator.

A vibrator assembly includes a housing defining a longitudinal central axis and a rotor in the housing and spaced apart from the central axis. The rotor defines a longitudinal rotational axis that is parallel to the central axis. The rotor is configured to rotate about the rotational axis and, in response, to rotate about the central axis.

The current document is directed to non-linear haptic actuators that use a rotor, rotor-suspension, and spring subsystem to efficiently generate vibrational forces in various types of devices and appliances in which the non-linear haptic actuators are incorporated. Non-linear haptic actuators can be designed and manufactured to be more space efficient than unbalanced-electric-motor and linear-resonant vibration modules and, because most of the frictional forces produced in unbalanced-electric-motor and linear-resonant vibration modules are eliminated from non-linear haptic actuators, non-linear haptic actuators are generally more power efficient and robust than unbalanced-electric-motor and linear-resonant vibration modules.

A system is disclosed for vibrating a coil carried on a pallet, with the pallet being supported on and movable along a conveyor. The system includes an elevator mechanism for lifting and supporting the pallet in a raised position spaced above the conveyor. Vibration motors serve to vibrate the elevator mechanism, thereby also serving to vibrate the raised pallet and the coil carried thereon.

The majority of adult devices have been designed for an individual to hold. However, it would be beneficial to provide users with a range of adult devices that support their use either in a hands free manner and/or are compatible with being worn by the user for varying periods of time from intermittent/occasional short durations through to extended wearing such as all day for example. In order to provide such wearable devices being able to separate the drive means from the stimulation means provides increased design flexibility as well as allowing different designs of adult device to be implemented as the design flexibility within the appropriate regions of the user's anatomy increases when the large vibratory motors are removed and connected to the stimulation means via flexible drive shaft. Further, beneficially, flexible drive shafts allow operation as the user moves during normal activities, such as sitting, standing, walking, etc.

A motor control device includes a motor control unit that controls electric power to be supplied to a motor, a deriving unit that derives a determination ratio of electric power to be supplied to the motor based on a detection result of transient characteristics of terminal output of the motor obtained under a predetermined condition after electric power supply from the motor control unit to the motor is shut off, and an adjusting unit that adjusts electric power to be supplied to the motor based on the determination ratio.

A vibration generation device includes a rotor rotatable about a rotation axis, the rotor including a weight having a center of gravity that is eccentric with respect to the rotation axis. A shaft is inserted into the rotor and rotatably supports the rotor. A restriction part is disposed further inward than the weight in a radial direction, the restriction part being attached to one end of the shaft for restricting movement of the rotor in an axial direction.

The present invention is a controller with a motor module. The controller with a motor module comprises a body. A support is disposed inside the body. The support comprises an alignment part and an engaging part both are disposed on the support. A motor module has a central axis and is capable of dismounting from the support. The motor module comprises a housing, a matching part and a blocking part both are disposed on the housing. When the motor module is applied a force to make the motor module rotates along the central axis thereof, the matching part engages with the alignment part, and the blocking part engages with the engaging part.