Camera optical lens
US-2024427116-A1 · Dec 26, 2024 · US
US8953255B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8953255-B2 |
| Application number | US-201213617632-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 14, 2012 |
| Priority date | Mar 30, 2012 |
| Publication date | Feb 10, 2015 |
| Grant date | Feb 10, 2015 |
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
What the patent document calls the invention.
A short plain-language summary of the technical disclosure.
Who owns or filed the patent and who is credited as inventor.
Filing, priority, publication, and grant dates set the timeline.
The legal scope of protection — read this for what is actually claimed.
Technology tags used to group this patent with similar filings.
Prior art links and similar publications in this corpus.
Official abstract text for this publication.
An imaging lens includes first, second, third, fourth, and fifth lens elements arranged from an object side to an image side in the given order. The first, second, and third lens elements have positive, negative, and negative refractive powers, respectively. The third lens element has an image-side surface having a convex portion in a vicinity of a periphery of the third lens element. The fourth lens element has a concave object-side surface. The fifth lens element has an object-side surface that has a convex portion in a vicinity of an optical axis of the imaging lens, and an image-side surface that has a concave portion in a vicinity of the optical axis and a convex portion in a vicinity of a periphery of the fifth lens element.
Opening claim text (preview).
What is claimed is: 1. An imaging lens comprising an aperture stop, first, second, third, fourth, and fifth lens elements arranged from an object side to an image side in the given order, wherein: said first lens element has a positive refractive power; said second lens element has a negative refractive power; said third lens element has a negative refractive power, and has an image-side surface that faces toward the image side and that has a first convex portion in a vicinity…
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
Electricity · mapped topic
Related publications grouped by family.
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Answers are generated from the same data shown on this page.