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Camera Assembly For Use On A Vehicle

a camera and vehicle technology, applied in the field of cameras, can solve the problems of large size of the camera assembly, difficult to limit the total track length of the camera, and the known way of incorporating an infrared filter into the camera

Active Publication Date: 2017-10-05
APTIV TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patent describes a camera assembly that includes a sensor and an infrared cut filter. A plurality of lens elements is positioned between the sensor and the infrared cut filter. This arrangement helps to filter out unwanted radiation that could affect the image captured by the sensor. The camera assembly is then secured to a circuit board using a surface mount technique. This design helps to improve image quality and reduce noise in the captured images.

Problems solved by technology

One of the challenges associated with developing a camera for use on a vehicle is providing adequate image quality capability while fitting within size and cost constraints.
The known way of incorporating an infrared filter into a camera, however, presents challenges when attempting to limit the size of a camera assembly.
It is also difficult to limit the total track length of the camera.
Some attempts to achieve a shorter total track length require introducing a relatively large number of aspherical lens surfaces, which tends to complicate the design and introduce undesired additional cost.

Method used

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  • Camera Assembly For Use On A Vehicle
  • Camera Assembly For Use On A Vehicle
  • Camera Assembly For Use On A Vehicle

Examples

Experimental program
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Embodiment Construction

[0010]FIG. 1 schematically illustrates a camera assembly 20. A sensor 22 is configured to detect radiation and provide an output that may be processed using known techniques for generating an image. The sensor 22 may be configured for detecting radiation in the visible light spectrum, for example. Given this description, those skilled in the art will be able to select from among commercially available sensors to meet the needs of their particular situation.

[0011]An infrared cut filter 24 is situated to filter radiation as it approaches the sensor 22. The infrared cut filter 24 provides enhanced image quality by reducing the amount of infrared radiation incident on the sensor 22.

[0012]The camera assembly 20 includes a plurality of lens elements 26, 28 and 30 situated between the infrared cut filter 24 and the sensor 22. One way in which the illustrated example embodiment is different than previous camera arrangements is that the infrared cut filter 24 is spaced away from the sensor w...

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PUM

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Abstract

An illustrative example camera assembly includes a sensor. An infrared cut filter is situated to filter radiation as the radiation approaches the sensor. A plurality of lens elements is situated between the sensor and the infrared cut filter.

Description

TECHNICAL FIELD[0001]The subject matter of this disclosure generally relates to cameras. More specifically, and without limitation, the subject matter of this disclosure pertains to a camera assembly including an infrared cut filter that is useful on an automotive vehicle.BACKGROUND OF INVENTION[0002]Over the last several decades there have been significant changes in camera technology. The proliferation of digital cameras and advances in associated technologies has made it possible to incorporate cameras in a variety of devices. Computers and mobile communication devices, such as smartphones, routinely include cameras. It is also becoming more commonplace to provide one or more cameras on an automotive vehicle to provide enhanced features, such as a parking assist function. It would be useful to be able to provide more advanced driver assist functions that incorporate or use a camera.[0003]One of the challenges associated with developing a camera for use on a vehicle is providing a...

Claims

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Application Information

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IPC IPC(8): G02B5/20G02B3/00H04N5/225G02B7/00G02B7/02G03B17/12G03B30/00
CPCG02B5/208H04N5/2253G02B3/0062H04N5/2252G02B3/0043H04N5/2254G02B7/006G02B7/021G03B17/12H04N23/50G02B9/34G02B13/002G02B13/004G02B13/006G02B5/282H04N23/51H04N23/54
Inventor LOW, YEW KWANG
Owner APTIV TECH LTD