The present invention provides an operation device which is capable of efficiently transmitting vibrations. An operation device according to the present invention is provided with: a first structure that comprises a touch panel module, a first case in which the touch panel module is arranged, a first supporting body to which the first case is affixed, and a vibration actuator 10 which is arranged on the first supporting body; a second structure that comprises a second supporting body, which is connected to the first supporting body, a second case which is affixed to the second supporting body, and a circuit board which is arranged in the second case; and a vibration damping member that connects the first supporting body and the second supporting body to each other.

A system may include an electromagnetic load capable of generating a haptic event and a haptic processor configured to receive at least one first parameter indicative of a desired perception of the haptic event to a user of a device comprising the electromagnetic load, receive at least one second parameter indicative of one or more characteristics of the device, and process the at least one first parameter and the at least one second parameter to generate a driving signal to the electromagnetic load in order to produce the desired perception to the user despite variances in the device that cause an actual perception of the haptic event to vary from the desired perception.

Disclosed is a linear vibration motor including a housing, a vibrator assembly, and a driving assembly. The housing is provided with a circuit board. The vibration assembly is disposed in the housing. A through hole is defined in the vibration assembly along the thickness of the housing. The driving assembly is disposed in the through hole and fixedly connected to the housing. The driving assembly includes an iron core and a coil. The iron core includes an intermediate shaft extending along the length of the housing and two end blocks disposed at two ends of the intermediate shaft. The cross-sectional area of the intermediate shaft is smaller than the cross-sectional area of each of the two end blocks. The coil is sleeved on the intermediate shaft and connected to the circuit board. An external circuit is operative to transmit a driving current signal to the coil through the circuit board, so that the driving assembly can drive the vibrator assembly to perform a reciprocating motion along the length of the housing.

A linear actuator, comprising: a base; a fixed part support mechanism attached to the base; a fixed part elastically supported by the fixed part support mechanism; and a movable part driven to reciprocate in a predetermined drive direction with respect to the fixed part, wherein the fixed part support mechanism comprises: a movable block attached to the fixed part; a linear guide that couples the movable block with the base to be slidable in the predetermined drive direction; and an elastic member that is disposed between the base and the movable block and prevents transmission of a high frequency component of vibration in the predetermined drive direction.

Screen vibration systems are provided that can vibrate theatre screens using acoustical, electromagnetic, or another type of energy while reducing the presence of image artifacts that may otherwise be visible as result of vibrating the screen. In one example of a screen vibration system, the system includes a controller and an electromechanical acoustical actuator with an open baffle. The electromechanical acoustical actuator can be uncoupled from the screen in an operational setup. The controller can provide a signal to the electromechanical acoustical actuator for causing the electromechanical acoustical actuator to output energy to displace air that is (i) in front of the electromechanical acoustical actuator and (ii) between the electromechanical acoustical actuator and the screen. The open baffle can prevent displaced air behind the electromechanical acoustical actuator from affecting the screen.

A vibration generator that allows the user to feel sufficient vibration and that has excellent heat-releasing performance is provided. A vibration generator (100a) has a case (110), a shaft member (130) provided inside the case (110), a moving part (140) configured to move back and forth inside the case (110) along the shaft member (130), and a vibration transmission member (150) configured to have one end fixed to the case (110). The vibration transmission member (150) has an inner space S1 formed inside and an opening part (151) to connect between the inner space (S1) and the outside. An end part (133) of the shaft member (130) penetrates out from the inside of the case (110) and extends to the inner space (S1) of the vibration transmission member (150).

Provided is a control device capable of reducing cost and thickness by using an electromagnetic actuator, and capable of efficiently generating a thrust suitable for a haptic feeling feedback to an operator who touches and operates thereto. The control device controls the electromagnetic actuator that drives an operation device supported to be elastically vibrated in one direction of a vibrating direction thereof; includes a current pulse supply unit configured to supply a plurality of drive current pulses to a coil of the electromagnetic actuator as a drive current for driving the operation device in response to a touch operation of the operation device; and an interval between peaks for each of the drive current pulses is in a range of ½ times to 1 times a vibration period of an elastic vibration.

An optical apparatus configured to correct an image blur by moving an image stabilization unit in a first direction different from an optical axis direction based on shake information obtained by a shake detector includes a vibration device configured to generate a vibration in order to transmit to a user a tactual sense according to an operation of an operation unit by the user. During an imaging and recording period, the vibration device generates the vibration having a vibration intensity in a second direction different from the first direction higher than that in the first direction.

A device and a method for switchable vibration modal ultrasonic are provided. The device includes a hollow shaft, an ultrasonic motor, a limit shell, an electromagnet, a moving tool head, a vibration source and a tool head. The structure design of the ultrasonic motor, the magnetostrictive materials and the drive coil combination of different functions are configured so that, without changing the condition of components, the ultrasonic can switch mode, namely the longitudinal vibration, torsional vibration, and longitudinal and torsional vibration in three different vibration modes. During the operation of the device, different vibration modes are excited without changing the parts, which meets the machining requirements of different vibration forms. Meanwhile, the operation is more convenient and faster, and the overall design structure of the device ensures the efficient and safe operation of the device.

A system may include a signal generator configured to generate a raw waveform signal and a modeling subsystem configured to implement a discrete time model of an electromagnetic load that emulates a virtual electromagnetic load and further configured to modify the raw waveform signal to generate a waveform signal for driving the electromagnetic load by modifying the virtual electromagnetic load to have a desired characteristic, applying the discrete time model to the raw waveform signal to generate the waveform signal for driving the electromagnetic load, and applying the waveform signal to the electromagnetic load.