20240079940.Electromagnetic Actuator simplified abstract (apple inc.)

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Electromagnetic Actuator

Organization Name

apple inc.

Inventor(s)

David Hiemstra of Santa Clara CA (US)

Nils E. Larson of San Jose CA (US)

Robert R. Ingersoll of San Francisco CA (US)

Eddy Sugyarto of San Jose CA (US)

Electromagnetic Actuator - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240079940 titled 'Electromagnetic Actuator

Simplified Explanation

The haptic actuator described in the patent application includes a housing with a ferromagnetic wall, a movable magnet, a pair of springs, and an electric coil attached to one or more half shear ferromagnetic features.

  • The housing contains a ferromagnetic wall with protruding half shear ferromagnetic features.
  • A movable magnet is positioned within the housing and biased towards a rest position by a pair of springs.
  • An electric coil is attached to the half shear ferromagnetic features and positioned between the movable magnet and the features.

Potential Applications

The haptic actuator could be used in:

  • Virtual reality controllers
  • Mobile devices
  • Automotive interfaces

Problems Solved

This technology addresses:

  • Providing tactile feedback in electronic devices
  • Enhancing user experience in touch-sensitive applications

Benefits

The benefits of this technology include:

  • Improved haptic feedback
  • Increased user engagement
  • Enhanced realism in virtual environments

Potential Commercial Applications

The haptic actuator could be applied in:

  • Gaming peripherals
  • Wearable technology
  • Automotive infotainment systems

Possible Prior Art

Prior art may include:

  • Existing haptic actuators in electronic devices
  • Similar technologies used in vibration motors

Unanswered Questions

How does the size of the haptic actuator impact its performance?

The size of the haptic actuator could affect its strength and responsiveness, but specific details on this aspect are not provided in the abstract.

Are there any limitations to the types of materials that can be used in the construction of the haptic actuator?

The abstract does not mention any restrictions on the materials used, but further research may reveal specific requirements or limitations in this regard.


Original Abstract Submitted

a haptic actuator includes a housing having a ferromagnetic wall. the ferromagnetic wall has a set of one or more half shear ferromagnetic features protruding from the ferromagnetic wall into the housing. a movable magnet is positioned within the housing. a pair of springs, respectively attached to opposite sides of the housing and opposite ends of the movable magnet, bias the movable magnet toward a position of rest between the pair of springs. an electric coil is attached to the set of one or more half shear ferromagnetic features and positioned between the movable magnet and the set of one or more half shear ferromagnetic features.