Device for detecting and signaling a change in the state of a push button
US-9390874-B2 · Jul 12, 2016 · US
Keyswitch
US9099261B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9099261-B2 |
| Application number | US-201414449118-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 31, 2014 |
| Priority date | Nov 17, 2011 |
| Publication date | Aug 4, 2015 |
| Grant date | Aug 4, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
A keyswitch includes a casing, a key cap and a support device rotatably disposed between the key cap and the casing. One of the casing and the key cap has a first magnetic area and the support device has a second magnetic area corresponding to the first magnetic area. When the key cap is not pressed, a magnetic attraction force between the first and second magnetic areas keeps the key cap at a non-pressed position. When the key cap is pressed by an external force such that the second magnetic area moves away from the first magnetic area, the key cap moves from the non-pressed position toward the pressed position. When the external force is removed, the second magnetic area moves toward the first magnetic area due to the magnetic attraction force such that the key cap moves from the pressed position toward the non-pressed position.
First claim
Opening claim text (preview).
What is claimed is: 1. A keyswitch comprising: a casing; a key cap; and a support device disposed between the casing and the key cap and rotatably connected to the key cap and the casing respectively, the key cap moving with the support device between a non-pressed position and a pressed position, the support device comprising a first support member and a second support member, the first support member having a first linking portion, the second support member having a second l…
Assignees
Inventors
Classifications
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9099261B2 cover?
- A keyswitch includes a casing, a key cap and a support device rotatably disposed between the key cap and the casing. One of the casing and the key cap has a first magnetic area and the support device has a second magnetic area corresponding to the first magnetic area. When the key cap is not pressed, a magnetic attraction force between the first and second magnetic areas keeps the key cap at a …
- Who is the assignee on this patent?
- Darfon Electronics Corp, Benq Corp
- What technology area does this patent fall under?
- Primary CPC classification H01H13/02. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 04 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).