Patent ID: 6919565

Claim:
An infrared imaging apparatus comprising: an infrared irradiation unit for irradiating infrared radiation in an attenuation wavelength range in which the infrared radiation is attenuated depending on the transmitted distance; and an infrared imaging unit for detecting infrared radiation emitted from a target and infrared radiation reflected by the target, and outputting an image signal, wherein said infrared imaging unit comprises: an infrared detector for detecting infrared radiation emitted from a target and infrared radiation reflected by the target, and converting the detected infrared radiation into an electrical signal; a circuit for obtaining, from said electrical signal, an emitted light signal which is based on the infrared radiation emitted from the target; a circuit for obtaining, from said electrical signal, a reflected light signal which is based on the infrared radiation reflected by the target onto which infrared radiation from the infrared irradiation unit is irradiated; a weight adjustor for assigning a predetermined weight to the brightness of said reflected light signal; and a signal synthesizer for adding said emitted light signal and the weighted reflected light signal to produce a synthesized signal.