Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate
2007-06-26
2007-06-26
Luu, Thanh X. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
C250S332000, C250S339020
Reexamination Certificate
active
11239827
ABSTRACT:
The infrared imaging apparatus comprises a CCD sensor13having sensitivities in the infrared region and visible region; three color filters FR, FG, FB each transmitting visible light in a specific wavelength region and infrared light in a specific wavelength region; and an infrared transmission filter12for allowing infrared light to pass through while removing visible light, wherein the CCD sensor13is configured to generate an imaging signal based on the infrared light passing through each of the color filters, the infrared imaging apparatus enabling the provision of the infrared imaging apparatus picking up the infrared light as the imaging light using the CCD sensor and the color filters as they are in the general imaging apparatus. As a result, a color imaging signal depending on the spectral distribution in the infrared region can be obtained without an expensive infrared CCD.
REFERENCES:
patent: 5555464 (1996-09-01), Hatlestad
patent: 6211521 (2001-04-01), Bawolek et al.
patent: 6580459 (2003-06-01), Uchino
patent: 2000-278701 (2000-10-01), None
patent: 2002-171519 (2002-06-01), None
Funai Electric Co. Ltd.
Ganjian Peter
Luu Thanh X.
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