INFRARED IMAGING DEVICE, VEHICLE WITH THE SAME, AND INFRARED IMAGE ADJUSTING DEVICE

Title:

INFRARED IMAGING DEVICE, VEHICLE WITH THE SAME, AND INFRARED IMAGE ADJUSTING DEVICE

Document Type and Number:

WIPO Patent Application WO/2000/042399

Kind Code:

A1

Abstract:

An infrared imaging device is disclosed. Shut-off means (40) is closable and openable, and shuts off infrared radiation incident on an optical system (20) when it is in a close state. While the infrared imaging device is imaging, the shut-off means (40) is set in an open state, and the optical system (20) forms an infrared image of an object (70) on an infrared sensor (10) by focusing infrared radiation radiated from the object (70). The infrared sensor (10) outputs a signal corresponding to the amount of infrared radiation received by each pixel. Correction means (30) corrects the sensitivity variations of pixels and the effect of infrared radiation from the optical system (20). While the infrared imaging (40) device is calibrated, the shut-off means is set in a closed state, and correcting means (30) determines a correction coefficient for correcting the variation of the amount of infrared radiation from the optical system (20) by using the output of the infrared sensor (10) imaging the shut-off means (40).

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Inventors:

MEKATA TSUYOSHI (JP)
IMAGAWA TARO (JP)
MORIKAWA KOJI (JP)

Application Number:

PCT/JP2000/000116

Publication Date:

July 20, 2000

Filing Date:

January 13, 2000

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD (JP)
MEKATA TSUYOSHI (JP)
IMAGAWA TARO (JP)
MORIKAWA KOJI (JP)

International Classes:

F01P7/00; H04N5/217; H04N5/33; H04N5/357; H04N5/365; (IPC1-7): G01J5/48

Foreign References:

JPH1183635A	1999-03-26
JPH09264794A	1997-10-07
JPH06229820A	1994-08-19
JPH0634449A	1994-02-08
JPH06341904A	1994-12-13
JPH1151773A	1999-02-26
JPS62138153U	1987-08-31
JPH0973596A	1997-03-18
JPH10142065A	1998-05-29
JPH0694539A	1994-04-05

Other References: