# US 10,503,216 B2 · Adjustment of magnetic force in a computing device

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- Number: US 10,503,216 B2
- Document ID: US10503216B2
- Status: Granted
- Kind: B2
- Application number: 15/242,901
- Filed: 2014-03-29
- Published: 2017-01-19
- Granted: 2019-12-10
- Earliest claimed: 2014-03-28
- Assignees: Intel Corporation
- Applicants: Intel Corporation
- Inventors: Kristin L. Weldon; Michael S. Brazel; Jered H. Wikander; Lily Kolle; Weibo Chen; Aleksander Magi; Konstantin I. Kouliachev; Ralph V. Miele; Richard P. Crawford
- Web page: https://patentgrep.com/patent/US10503216B2

## CPC

- G06F 1/1681: {Details related solely to hinges (hinge details related to the transmission of signals or power are classified in G06F1/1683)}
- G06F 1/1654: {the display being detachable, e.g. for remote use}
- G06F 1/1679: {for locking or maintaining the movable parts of the enclosure in a fixed position, e.g. latching mechanism at the edge of the display in a laptop or for the screen protective cover of a PDA (G06F1/1681 takes precedence)}
- H01F 7/0242: {Magnetic drives, magnetic coupling devices}
- H01F 7/04: Means for releasing the attractive force
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES

## Abstract

Techniques for forming and adjusting a magnetic tension mechanism are described herein. A system includes a first magnetic element in a first component of a computing device. The system includes a second magnetic element in a second component of the computing device, wherein the first magnetic component and the second magnetic component are to be held in tension by a magnetic force. The system also includes an adjustment mechanism to adjust the force required to decouple the magnetic elements.

## Claims

### Claim 1

An apparatus for adjustable magnetic coupling, comprising:
a first magnetic element in an attachment surface of a first component of a computing device to be coupled to a second magnetic element of a second component of the computing device via a magnetic attachment force; and
an adjustment mechanism to adjust the magnetic attachment force, wherein the adjustment mechanism comprises a linear actuator to move half of a plurality of magnetic components of the first magnetic element in one direction and a rest of the plurality of magnetic components of the first magnetic element in an opposite direction.

### Claim 2 (depends on 1)

The apparatus of claim 1, wherein the first magnetic element of the apparatus comprises a magnet, and wherein the adjustment mechanism comprises a mechanical component that is to adjust the magnetic attachment force by displacing the first magnetic element relative to the second magnetic element.

### Claim 3 (depends on 2)

The apparatus of claim 2, wherein the linear actuator is to be engaged to adjust the magnetic attachment force by displacing the first magnetic element relative to the second magnetic element through a direction not aligned with a field of magnetic attraction.

### Claim 4 (depends on 2)

The apparatus of claim 2, further comprising a motor to move the mechanical component.

### Claim 5 (depends on 1)

The apparatus of claim 1, wherein the first magnetic element comprises the plurality of magnetic components that are to move through the adjustment mechanism in opposite directions to neutralize magnetic misalignment forces in the first component.

### Claim 6

A system for adjusting magnetic coupling forces, comprising:
a first magnetic element in a first component of a computing device;
a second magnetic element in a second component of the computing device, wherein the first component and the second component are to be held in tension by a magnetic force; and
an adjustment mechanism to adjust a force required to decouple the magnetic elements, wherein the adjustment mechanism comprises a linear actuator and a gearing or linkage system to move half of a plurality of magnetic components of the first magnetic element in one direction and a rest of the plurality of magnetic components of the first magnetic element in an opposite direction.

### Claim 7 (depends on 6)

The system of claim 6, further comprising logic, at least partially comprising hardware logic, to control the adjustment mechanism.

### Claim 8 (depends on 7)

The system of claim 7, wherein the linear actuator is to translate the first magnetic element in the first component to adjust the magnetic force between the first component and the second component.