A VCM is disclosed, the motor including a stator including a first driving unit, a rotor arranged inside the stator, including a second driving unit responding to the first driving unit and mounted therein with a lens, a base fixing the stator, and an elastic member coupled to the rotor to float the rotor from the base in a case a driving signal for driving the first and second driving units is not applied to the first and second driving units.

A motor and a rotary assembly of the motor are provided. The motor includes a rotary assembly and a stationary assembly supporting the rotary assembly. The rotary assembly includes a rotary shaft, a retainer rotating along with the rotary shaft, and a rotor magnet retained by the retainer. A portion of the rotor magnet engages with a portion of the retainer via interference fit, and a gap is defined between another portion of the rotor magnet and another portion of the retainer.

A motor and a rotary assembly of the motor are provided. The motor includes a rotary assembly and a stationary assembly supporting the rotary assembly. The rotary assembly includes a rotary shaft, a retainer rotating along with the rotary shaft, and a rotor magnet retained by the retainer. A portion of the rotor magnet engages with a portion of the retainer via interference fit, and a gap is defined between another portion of the rotor magnet and another portion of the retainer.

An actuator includes drive magnets (first drive magnet and second drive magnet) and back yokes (first magnetic back yoke and second magnetic back yoke). The back yokes are each provided one to one for an associated one of the drive magnets. The associated one of the drive magnets is attached to each of the back yokes. The back yokes include at least one pair of back yokes facing each other with respect to an optical axis. Each of the at least one pair of back yokes includes a base and a yoke protrusion. An associated one of the drive magnets is attached to the base. The yoke protrusion is coupled to the base and arranged to face at least one out of two ends of the associated drive magnet in a rolling direction of a movable holder.

The disclosure relates to a vehicle lock having a locking mechanism, a lock mechanism and an electrical setting arrangement, wherein the setting arrangement has a rotor arrangement, wherein the stator forms at least two magnetic, unlike stator poles of the stator magnet arrangement, wherein at least one of the magnet arrangements is associated with a coil arrangement, wherein by supplying current to the coil arrangement and a resulting magnetic interaction between rotor and stator, a drive torque to the rotor and thus an adjustment of the rotor can be generated in a predetermined number of actuator positions. Proposed is that the rotor magnet arrangement and the stator magnet arrangement are stationarily fixed to a support section of the motor vehicle lock, and the rotor is pivotable about a rotor axis relative to the support section and relative to the rotor magnet arrangement.

The disclosure relates to a vehicle lock having a locking mechanism, a lock mechanism and an electrical setting arrangement, wherein the setting arrangement has a rotor arrangement, and a stator, wherein the stator forms at least two magnetic, unlike stator poles of the stator magnet arrangement, wherein at least one of the magnet arrangements is associated with a coil arrangement, wherein by supplying current to the coil arrangement and a resulting magnetic interaction between rotor and stator, a drive torque to the rotor and thus an adjustment of the rotor can be generated in a predetermined number of actuator positions. Proposed is that the rotor magnet arrangement and the stator magnet arrangement are stationarily fixed to a support section of the motor vehicle lock, and the rotor is pivotable about a rotor axis relative to the support section and relative to the rotor magnet arrangement.

The disclosure relates to a vehicle lock having a locking mechanism, a lock mechanism and an electrical setting arrangement, wherein the setting arrangement has a rotor arrangement, and a stator, wherein the stator forms at least two magnetic, unlike stator poles of the stator magnet arrangement, wherein at least one of the magnet arrangements is associated with a coil arrangement, wherein by supplying current to the coil arrangement and a resulting magnetic interaction between rotor and stator, a drive torque to the rotor and thus an adjustment of the rotor can be generated in a predetermined number of actuator positions. Proposed is that the rotor magnet arrangement and the stator magnet arrangement are stationarily fixed to a support section of the motor vehicle lock, and the rotor is pivotable about a rotor axis relative to the support section and relative to the rotor magnet arrangement.

The motor control circuit (12) includes an input voltage measuring unit (125), a temperature measuring unit (128), a current setting unit, and a current control unit. The input voltage measuring unit (125) measures an input voltage input to the motor control device (10). The temperature measuring unit (128) measures the temperature. The current setting unit sets a target value of drive current to flow through a coil of a stepping motor (20) based on a measurement result of the input voltage measuring unit (125) and a measurement result of the temperature measuring unit (128) and based on a set value of drive current preset for each of the plural partial areas, which are sectioned in a matrix form with a threshold value related to the input voltage and a threshold value related to the temperature. The current control unit controls the drive current according to the target value of the drive current set in the current setting unit.

The motor control circuit (12) includes an input voltage measuring unit (125), a temperature measuring unit (128), a current setting unit, and a current control unit. The input voltage measuring unit (125) measures an input voltage input to the motor control device (10). The temperature measuring unit (128) measures the temperature. The current setting unit sets a target value of drive current to flow through a coil of a stepping motor (20) based on a measurement result of the input voltage measuring unit (125) and a measurement result of the temperature measuring unit (128) and based on a set value of drive current preset for each of the plural partial areas, which are sectioned in a matrix form with a threshold value related to the input voltage and a threshold value related to the temperature. The current control unit controls the drive current according to the target value of the drive current set in the current setting unit.

The motor control circuit (12) includes an input voltage measuring unit (125), a temperature measuring unit (128), a speed setting unit, and a speed control unit. The input voltage measuring unit (125) measures an input voltage input to the motor control device (10). The temperature measuring unit (128) measures the temperature. The speed setting unit sets a target value of driving speed of a stepping motor (20) based on a measurement result of the input voltage measuring unit (125) and a measurement result of the temperature measuring unit (128) and based on a set value of driving speed preset for each of the plural partial areas which are sectioned in a matrix form with a threshold value related to the input voltage and a threshold value related to the temperature. The speed control unit controls the driving speed according to the target value of the driving speed set in the speed setting unit.