Electronic switch with force feedback function

Patent metadata

Field	Value
Publication number	US-10063230-B2
Application number	US-201615176143-A
Country	US
Kind code	B2
Filing date	Jun 7, 2016
Priority date	Apr 14, 2016
Publication date	Aug 28, 2018
Grant date	Aug 28, 2018

Abstract

An electronic switch with force feedback function includes a base, an actuating component and a. The actuating component is movably connected to the base, and includes a. The magnetic field generating module is disposed on the base, and provides a magnetic repulsive force to the magnetic unit for force feedback while the actuating component moves close to the base.

First claim

What is claimed is:

1. An electronic switch with force feedback function, comprising:
a base;
an actuating component movably connected to the base, the actuating component comprising a magnetic unit; and
a magnetic field generating module disposed on the base and adapted to provide a magnetic repulsive force for the magnetic unit so as to generate an inverse feedback force while the actuating component moves close to the base;
wherein the magnetic field generating module utilizes an electromagnetic unit to generate the magnetic repulsive force corresponding to the magnetic unit, and the magnetic field generating module adjusts an input current of the electromagnetic unit to vary a value of the magnetic repulsive force.

2. The electronic switch of claim 1 , wherein the actuating component is spaced from the base, and the actuating component is moved close to or away from the base in a unidirectional movable manner.

3. The electronic switch of claim 1 , wherein the magnetic field generating module utilizes a permanent magnet unit to generate the magnetic repulsive force corresponding to the magnetic unit.

4. The electronic switch of claim 1 , further comprising:
a covering component connected to the base, the covering component comprising a contacting portion, and the actuating component being movably located between the covering component and the base; and
a resilient component, two ends of the resilient component being respectively connected to the actuating component and the magnetic field generating module, so as to contact the actuating component against the contacting portion.

5. The electronic switch of claim 4 , further comprising:
a constraining component connected to the base and disposed inside the covering component, the actuating component being movably located inside the constraining component.

6. The electronic switch of claim 5 , wherein the constraining component is a sleeve structure, or a clipping structure with loose fit function.

7. The electronic switch of claim 1 , further comprising:
a pressure detecting unit disposed on the base and adapted to acquire a value of an external force applied to the actuating component according to a distance variation between the actuating component and the base; and
a processing unit electrically connected to the pressure detecting unit and adapted to output a control signal according to a result of the pressure detecting unit.

8. The electronic switch of claim 7 , wherein the pressure detecting unit is an optical detection module, the optical detection module analyzes a movement of a reference pattern formed on the actuating component to acquire the value of the external force.

9. The electronic switch of claim 7 , wherein the pressure detecting unit is an electromagnetic induction module, the electromagnetic induction module utilizes magnetic field variation resulted by a movement of the actuating component to generate an induced current, and acquires the value of the external force according to a quantity of the induced current.

10. The electronic switch of claim 9 , wherein the electromagnetic induction module comprises an induction coil or a Hall Effect sensor.

11. The electronic switch of claim 7 , wherein the pressure detecting unit is a capacitance detection module disposed on a position facing the actuating component, the capacitance detection module acquires the value of the external force according to capacitance variation resulted by the movement of the actuating component.

12. An electronic switch with force feedback function, comprising:
an actuating component comprising a magnetic unit; and
a magnetic field generating module spaced from the actuating component and adapted to provide a magnetic repulsive force for the magnetic unit so as to generate an inverse feedback force while the actuating component moves close to the magnetic field generating module;
wherein the magnetic field generating module utilizes an electromagnetic unit to generate the magnetic repulsive force corresponding to the magnetic unit, and the magnetic field generating module adjusts an input current of the electromagnetic unit to vary a value of the magnetic repulsive force.

13. The electronic switch of claim 12 , wherein the magnetic field generating module utilizes a permanent magnet unit to generate the magnetic repulsive force corresponding to the magnetic unit.

14. The electronic switch of claim 12 , further comprising:
a covering component comprising a contacting portion, and the actuating component being movably disposed on the covering component; and
a resilient component, two ends of the resilient component being respectively connected to the actuating component and the magnetic field generating module, so as to contact the actuating component against the contacting portion.

15. The electronic switch of claim 14 , further comprising:
a constraining component disposed inside the covering component, the actuating component being movably located inside the constraining component.

16. The electronic switch of claim 12 , further comprising:
a pressure detecting unit disposed by the actuating component and adapted to acquire a value of an external force applied to the actuating component according to a motion of the actuating component; and
a processing unit electrically connected to the pressure detecting unit and adapted to output a control signal according to a result of the pressure detecting unit.

17. The electronic switch of claim 16 , wherein the pressure detecting unit is an optical detection module or an electromagnetic induction module.

18. The electronic switch of claim 17 , wherein the electromagnetic induction module comprises an induction coil or a Hall Effect sensor.

19. The electronic switch of claim 16 , wherein the pressure detecting unit is a capacitance detection module disposed on a position facing the actuating component, the capacitance detection module acquires the value of the external force according to capacitance variation resulted by the movement of the actuating component.

Assignees

• Pixart Imaging Inc

Inventors

• Wang Tsung-Fa
• Kuo Shih-Wei

Classifications

• H03K2017/9706

  Inductive element · CPC title

• H03K17/969 Primary

  having a plurality of control members, e.g. keyboard · CPC title

• H03K17/972

  having a plurality of control members, e.g. keyboard · CPC title

• H03K17/98

  having a plurality of control members, e.g. keyboard · CPC title

• H03K17/968 Primary

  using opto-electronic devices · CPC title