The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 11, 2008
Filed:
Oct. 10, 2007
Hitoshi Nakanishi, Kanangawa, JP;
Hitoshi Nakanishi, Kanangawa, JP;
Sony Corporation, , JP;
Abstract
An image capture lens includes, in order and from a side of an object, a first positive lens having a convex surface facing the object, an aperture diaphragm, a second negative lens having a convex surface facing an image, a third positive lens having a concave surface facing the image, and an IR cut filter. The three lenses, aperture diaphragm, and IR cut filter are formed of resin materials, all the lens surfaces except for the IR cut filter are aspheric, and Conditional Equations (A0) to (A2) are satisfied. (A0) 0.3<f/f1<1.5, (A1) −9<f/|f2|×100 <−0.9, and (A2) 0.3<D2/D3<0.5, where f: focal distance of the whole system, f1: focal distance of the first lens, f2: focal distance of the second lens, D2: distance from the first lens to aperture diaphragm, and D3: distance from aperture diaphragm to the second lens.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile