Night vision image capturing apparatus and infrared radiating apparatus and night vision image capturing system

A technology of infrared radiation and camera devices, applied in the field of night vision camera systems, can solve problems such as limited installation and limited configuration

Inactive Publication Date: 2013-12-04
FUJITSU GENERAL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This results in limited installation as well as limited configuration

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  • Night vision image capturing apparatus and infrared radiating apparatus and night vision image capturing system
  • Night vision image capturing apparatus and infrared radiating apparatus and night vision image capturing system
  • Night vision image capturing apparatus and infrared radiating apparatus and night vision image capturing system

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Embodiment Construction

[0022] figure 1 A night vision camera system 11 according to one embodiment is schematically illustrated. The night vision camera system 11 includes an infrared radiation device 12 and a night vision camera device 13 . For example, the infrared radiation device 12 emits infrared radiation 14a having a first wavelength, infrared radiation 14b having a second wavelength and infrared radiation 14c having a third wavelength to an object. The night vision camera 13 records images with respect to the respective infrared radiation 14a, 14b, 14c. The intensity distribution of the infrared radiation 14a, 14b, 14c can be obtained with respect to individual images. Red (R), green (G), and blue (B) are assigned to separate images as display colors. Here, a red color is assigned to the image generated based on the infrared radiation 14a having the first wavelength. A blue color is assigned to the image generated based on the infrared radiation 14b having the second wavelength. Green c...

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Abstract

An imaging device (31) includes pixels (32, 33, 34) configured to sequentially output image signals for an infrared radiation (14a) having a first wavelength, an infrared radiation (14b) having a second wavelength and an infrared radiation (14c) having a third wavelength. A first pixel (32) has the sensitivity to a first color of a primary color and outputting a first signal in response to reception of the infrared radiation (14a) having the shortest wavelength of the first wavelength, the second wavelength and the third wavelength. A second pixel (34) has the sensitivity to a second color of the primary color and outputting a second signal in response to the reception of the infrared radiation (14a) having the shortest wavelength. A discriminating circuit (39) is configured to compare the first signal and the second signal with each other to discriminate a reception timing of an infrared radiation (14a) having a selected wavelength in response to a relative sensitivity ratio.

Description

[0001] Cross References to Related Applications [0002] This application is based on and claims priority from prior Japanese Patent Application No. 2012-116569 filed on May 22, 2012, the entire contents of which are hereby incorporated by reference. technical field [0003] The invention relates to a night vision camera system, and a night vision camera device and an infrared radiation device adopted in the night vision camera system. Background technique [0004] Japanese Patent Application Publication No. 2011-50049 discloses a night vision camera system capable of reproducing color images with natural tones. The night vision camera system includes an infrared radiation device and a night vision camera device. For example, the infrared radiation device emits infrared radiation having a first wavelength, infrared radiation having a second wavelength, and infrared radiation having a third wavelength to an object. The night vision camera captures images with respect to eac...

Claims

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Application Information

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IPC IPC(8): H04N9/04H04N5/33
CPCH04N5/33H04N5/2354H04N23/74H04N25/134
Inventor 伴新二
Owner FUJITSU GENERAL LTD
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