Abstract:
An IR camera comprises: a thermal radiation capturing arrangement for capturing thermal radiation of an imaged view in response to input control unit(s) receiving user inputs from a user of the IR camera; a processing unit arranged to process the thermal radiation data in order for the thermal radiation data to be displayed by an IR camera display as thermal images; and a IR camera display arranged to display thermal images to a user of the IR camera. The IR camera is characterized in that the processing unit is further arranged to: determine at least one temperature reference value representing the temperature of the surrounding environment of the imaged view; and calculate at least one output power value indicative of an amount of energy dissipated in a part of the imaged view by using the temperature value of the thermal radiation data corresponding to said part of the imaged view and the at least one determined temperature reference value.
Abstract:
Implementations of the present disclosure involve an apparatus and method to measure the long-wave irradiance of the atmosphere or long-wave source. The apparatus may involve a thermopile, a concentrator and temperature controller. The incoming long-wave irradiance may be reflected from the concentrator to a thermopile receiver located at the bottom of the concentrator to receive the reflected long-wave irradiance. In addition, the thermopile may be thermally connected to a temperature controller to control the device temperature. Through use of the apparatus, the long-wave irradiance of the atmosphere may be calculated from several measurements provided by the apparatus. In addition, the apparatus may provide an international standard of pyrgeometers' calibration that is traceable back to the International System of Units (SI) rather than to a blackbody atmospheric simulator.
Abstract:
To improve the precision of temperature compensation in an infrared sensor and obtain a sharp image, a correction is applied to a variation in output voltage (referred to as “background infrared radiation absorption intensity distribution” below) due to intensity distribution of background infrared radiation, which is light other than the incident infrared radiation on the infrared sensor, and the temperature characteristic of each individual bolometer constituting the infrared sensor. That is, the temperature of the infrared sensor is measured as a first temperature, a correction value for the output voltage of each bolometer is found by referring to a table, which indicates the background infrared radiation absorption intensity distribution versus the temperature of the infrared sensor, as well as the first temperature, and the variation in output voltage is corrected.
Abstract:
The invention provides an image processing apparatus comprising: forming means for forming a patch based on patch data on a medium; temperature measuring means for measuring the temperature of a white paper portion of a medium to obtain a white paper temperature; colorimetry means for obtaining a colorimetric value by measuring the color of the patch formed on the medium; estimation means for estimating a colorimetry temperature, which is the temperature of the patch at the time when the colorimetry means measures its color, based on the patch data and the white paper temperature; and correction means for correcting the colorimetric value based on the estimated colorimetry temperature.
Abstract:
An IR camera comprises: a thermal radiation capturing arrangement for capturing thermal radiation of an imaged view in response to input control unit(s) receiving user inputs from a user of the IR camera; a processing unit arranged to process the thermal radiation data in order for the thermal radiation data to be displayed by an IR camera display as thermal images; and a IR camera display arranged to display thermal images to a user of the IR camera. The IR camera is characterized in that the processing unit is further arranged to: determine at least one temperature reference value representing the temperature of the surrounding environment of the imaged view; and calculate at least one output power value indicative of an amount of energy dissipated in a part of the imaged view by using the temperature value of the thermal radiation data corresponding to said part of the imaged view and the at least one determined temperature reference value.
Abstract:
A thermal imaging device, which may be incorporated in an industrial monitoring system, is contained and protected by an enclosure that includes a window assembly. The window assembly includes a removable window and a temperature sensor, wherein the window provides a passage for infrared radiation to the imaging device, within the enclosure, and the temperature sensor is positioned, within the enclosure, for measuring a temperature of the removable window, and is adapted to communicate with circuitry of the imaging device. The window assembly may further include a removable retaining ring and a mounting plate. The mounting plate may include a bezel and an outer shoulder formed in a first side thereof, wherein the bezel receives the removable window and the outer shoulder receives the retaining ring, so that the retaining ring may hold the window against the bezel.
Abstract:
A thermal-type infrared image sensing device and method of producing a thermal-type infrared image sensing device are provided. The thermal-type infrared image sensing device includes pixel elements that are two-dimensionally arranged on a semiconductor substrate. Each pixel element includes a detector that detects temperature, an infrared-light absorber that absorbs incident infrared light and that converts the light into heat, and a support that supports the detector apart from the semiconductor substrate. The thermal-type infrared image sensing device also includes reference-pixel elements that are arranged adjacent to and along a row of the pixel elements. Each of the reference pixels generates a reference signal, and each of the reference pixels includes a structure that shields a detector from incident infrared light. The detectors of the pixel elements and the reference-pixel elements are each connected to the semiconductor substrate through the respective supports.
Abstract:
A temperature measuring method comprises a step of detecting, by an infrared thermometer, the intensity of an infrared radiation coming from a region of interest of a patient for determining the patient's temperature, and a step of pointing a target area that is coincident with the region of interest and is the even and smooth surface of a body having a homogeneous underlying vascularisation, and being preferably devoid of hair or chitinous or keratinous skin formations.
Abstract:
The invention provides a sensor including a first sensor element formed in a first substrate and at least one optical element formed in a second substrate, the first and second substrates being configured relative to one another such that the second substrate forms a cap over the first sensor element. The cap includes a diffractive optical element and an aperture stop which collectively determine the wavelength of incident radiation that is allowed through the cap and onto the at least one optical element.
Abstract:
The invention provides a sensor element formed in a first substrate and having a thermal barrier disposed between the sensor element and a heat source provided elsewhere on the first substrate. The thermal barrier includes at least one pair of trenches formed within the first substrate, individual trenches of the pair being separated by a cavity.