17821948. ROTARY RELUCTANCE INPUT DEVICE WITH ASYMMETRIC POLES simplified abstract (Apple Inc.)

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ROTARY RELUCTANCE INPUT DEVICE WITH ASYMMETRIC POLES

Organization Name

Apple Inc.

Inventor(s)

Denis G. Chen of San Jose CA (US)

ROTARY RELUCTANCE INPUT DEVICE WITH ASYMMETRIC POLES - A simplified explanation of the abstract

This abstract first appeared for US patent application 17821948 titled 'ROTARY RELUCTANCE INPUT DEVICE WITH ASYMMETRIC POLES

Simplified Explanation

The patent application describes a torque feedback mechanism for a trigger or lever using a rotary reluctance engine. This mechanism includes two fixed core/coil assemblies and a permanent magnet. When the trigger or lever is squeezed, the magnet rotates with respect to the core/coil assemblies. By programmably energizing the coils, the cores are magnetized at different angular rotations, creating a torque feedback profile that can be adjusted to provide more or less torque at different positions of the trigger or lever.

  • The mechanism uses a rotary reluctance engine with fixed core/coil assemblies and a rotating permanent magnet.
  • The coils of the engine can be programmably energized to magnetize the cores at different angular rotations.
  • This creates a torque feedback profile that can be quickly modified to provide different levels of torque at different positions of the trigger or lever.
  • The mechanism can emulate different triggers or levers by adjusting the torque feedback profile.

Potential Applications

  • This torque feedback mechanism can be used in various devices that require precise control and feedback of torque, such as gaming controllers, surgical instruments, industrial machinery, and robotics.
  • It can be particularly useful in applications where different triggers or levers need to be emulated, allowing users to experience different levels of resistance or feedback.

Problems Solved

  • Traditional torque feedback mechanisms may not provide the flexibility to quickly modify the torque profile for different triggers or levers.
  • This innovation solves the problem by using a rotary reluctance engine with programmable coil energization to create a customizable torque feedback profile.

Benefits

  • The mechanism allows for quick modification of the torque feedback profile, providing flexibility in emulating different triggers or levers.
  • It offers precise control and feedback of torque, enhancing user experience and improving performance in various applications.
  • The fixed core/coil assemblies and rotating permanent magnet design provide a compact and efficient torque feedback mechanism.


Original Abstract Submitted

A torque feedback mechanism for a trigger or lever using a rotary reluctance engine is disclosed. In some examples, the rotary reluctance engine includes two fixed asymmetric core/coil assemblies located on one or both sides of a permanent magnet. In some examples, the core/coil assemblies are fixed in place, and the permanent magnet is coupled to the trigger or lever such that the magnet rotates with respect to the core/coil assemblies as the trigger or lever is squeezed. When the coils of the engine are programmably energized, the cores are magnetized at different angular rotations of the trigger or lever, creating a torque feedback profile that can be quickly modified to provide more or less torque at different angular displacements during the squeezing of the trigger or lever to emulate different triggers or levers.

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