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Dual lens digital zoom

A lens and focal length technology, applied in image data processing, instruments, televisions, etc., can solve the problem of lack of optical performance

Active Publication Date: 2010-12-01
DIGITALOPTICS CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, what is disclosed in this publication is mostly conceptual and lacks some of the details needed to provide optical performance

Method used

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  • Dual lens digital zoom
  • Dual lens digital zoom

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Embodiment Construction

[0011] The following description is not intended to limit the invention to the forms disclosed herein. Accordingly, alterations and modifications commensurate with the following teachings, skill and knowledge of the prior art are within the scope of the invention. The embodiments described herein are further intended to explain known modes of practicing the invention, and to enable others skilled in the relevant art to utilize in these or other embodiments with various modifications required for a particular application or use of the invention. this invention.

[0012] exist figure 1 The camera 10 is shown in . The camera 10 may include a first lens 12 and a first sensor 14 having a relatively short focal length that are proximate to and substantially aligned with a second lens 16 and a second sensor 18 having a relatively long focal length. By aligning the combined first lens and first sensor with the combined second lens and second sensor, each sensor can obtain substanti...

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PUM

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Abstract

A camera with a pair of lens / sensor combinations, the two lenses having different focal lengths, so that the image from one of the combinations has a field of view approximately two to three times greater than the image from the other combination. As a user of the camera requests a given amount of zoom, the zoomed image provided will come from the lens / sensor combination having the field of view that is next larger than the requested field of view. Thus, if the requested field of view is less than the smaller field of view combination, the zoomed image will be created from the image captured by that combination, using cropping and interpolation if necessary. Similarly, if the requested field of view is greater than the smaller field of view combination, the zoomed image will be created from the image captured by the other combination, using cropping and interpolation if necessary.

Description

Background technique [0001] Digital camera modules are currently being integrated into various host devices. These host devices include cellular telephones, personal digital assistants (PDAs), computers, and the like. Consumer demand for digital camera modules in host devices continues to grow. [0002] Host device manufacturers prefer that data camera modules be small so that they can be integrated into the host device without increasing the overall size of the host device. In addition, the demand for high-performance features of cameras in host devices is increasing. One such feature that many high-performance cameras (e.g., stand-alone digital cameras) have is the ability to change the focal length of the camera to increase and decrease the magnification of the image, typically accomplished with a zoom lens, now known as an optical zoom lens. zoom. Optical zoom is typically achieved by mechanically moving lens elements relative to each other, and thus such zoom lenses a...

Claims

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Application Information

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IPC IPC(8): H04N5/225H04N5/232
CPCH04N5/2258H04N5/2628H04N5/23296H04N23/45H04N23/69G06T3/4007
Inventor 劳伦斯·斯卡夫
Owner DIGITALOPTICS CORPORATION
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