Illuminated optical navigation module

US8937598B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8937598-B2
Application numberUS-71261210-A
CountryUS
Kind codeB2
Filing dateFeb 25, 2010
Priority dateFeb 25, 2010
Publication dateJan 20, 2015
Grant dateJan 20, 2015

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A navigation module for a handheld communication device having a navigation pad, a chrome-like ring surrounding the navigation pad, an illumination ring surrounding the navigation pad, and at least one light source is optically coupled to at least the illumination ring. The illumination ring can be interposed between the chrome-like ring and the navigation pad. The chrome-like ring can be interposed between the illumination ring and the navigation pad. The light source can be a light emitting diode.

First claim

Opening claim text (preview).

What is claimed is: 1. A communication device, comprising: an optical navigation module configured to generate a navigation signal, the optical navigation module comprising: a navigation pad; a metallic ring surrounding the navigation pad and having at least an exposed top surface; an illumination ring surrounding the metallic ring and having at least an exposed top surface; and a light source that emits light, the light source being optically coupled to at least the illumi…

Assignees

Inventors

Classifications

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 US8937598B2 cover?
A navigation module for a handheld communication device having a navigation pad, a chrome-like ring surrounding the navigation pad, an illumination ring surrounding the navigation pad, and at least one light source is optically coupled to at least the illumination ring. The illumination ring can be interposed between the chrome-like ring and the navigation pad. The chrome-like ring can be inter…
Who is the assignee on this patent?
Lowles Robert James, Ramrattan Colin Shiva, Blackberry Ltd
What technology area does this patent fall under?
Primary CPC classification G06F1/169. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Jan 20 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).