Class 356/216 - Heat absorbing (e.g., radiometers)

Subclass of Class 356 - Optics: measuring and testing
Definition: Subject matter including a movable mechanical element having
No. of patents: 30
Last issue date: 04/21/2009

Number	Title	Issue Date
7522274	Radiometers Radiometers detect radio wavelength electromagnetic radiation and typically have an antenna (16), an amplifier (18) and a detector (20). All three of these components have response characteristics that may be dependent on temperature, and in the...	04/21/2009
7362480	Method and system for changing a scanning resolution A method and system for scanning comprises rotating a scanning chassis of an optical scanner to create an acute angle between the scan line and a scanning direction, such that the scanning chassis has two ends, and moving the scanning chassis in the scanning directi...	04/22/2008
7217371	Optical control interface between controller and process chamber The present invention relates to interfacing new sensors to incumbent controls. In particular, it relates to optically interfacing a new sensor, such as a spectrometer with plasma generator, to an incumbent electro-optical sensor. Logic and resources to control acti...	05/15/2007
7154077	Device and method for measurement of incident power and energy Devices and methods for measurement of energy from a defined source having increased accuracy in measuring low energies. The device comprises a housing containing sensors. A first sensor receives energy from the source and produces a first output. A second sensor re...	12/26/2006
7125163	Simple high accuracy high energy calorimeter An exemplary calorimeter includes a body configured to capture radiation generated by a source of the radiation, such as without limitation a laser, and absorb energy from the captured radiation. The calorimeter is simple to manufacture, operate, and maintain and is...	10/24/2006
7091254	Analytical instruments for monitoring photopolymerization An apparatus for continuously monitoring a photopolymerization reaction in real time by optical pyrometry includes a housing having a chamber; a sample mount that may be disposed within the chamber; a light source for supplying light to induce a photopolymerization ...	08/15/2006
7071444	High performance system and method for capturing and absorbing radiation A device for capturing radiation includes multi-axis, multiple chambers with two dimensional geometry. A first chamber has a first axis and is configured to receive a beam of radiation and absorb a portion of the beam of radiation. A second chamber has a second axis...	07/04/2006
6923549	Container with illuminated interior visual display An illuminated message or design is displayed on the surface of an inner container for viewing through an outer container. Light emitting diodes are placed under the outer container, and near its perimeter, allowing the light to be directly introduced into the perip...	08/02/2005
6437861	Compact light integration interface A light integrating interface having a housing made substantially of pressed polytetrafluoroethylene powder. The interface has a non-spherical integrating cavity with a reflective inner surface, as well as a light energy input port and a light energy outp...	08/20/2002
6177988	Arrangement for the measurement of optical radiation of radiation sources An arrangement for measuring the power or energy of optical radiation of radiation sources, especially laser radiation is disclosed. It comprises a module defining an open or at least partially closed hollow space, wherein the inner walls or outer walls o...	01/23/2001
5910837	Photomechanical transducer The invention relates to a photomechanical transducer which comprises a photochromic element made of a first material and attached on a carrier element made of a deformable second material. The first material of the photochromic element changes its molecu...	06/08/1999
5861947	Measuring device for measuring concentrated radiation of light Measuring device (1) for measuring concentrated radiation of light with a reflector (3) arranged in an inclined manner being transversely movable through the incident light (4). A camera (2) recording the light reflected by the reflector (3) has its optic...	01/19/1999
5782895	Illuminator for photodynamic therapy An illuminator for photodynamic therapy includes a bulb, a condenser lens assembly and a filter assembly. The filter assembly includes the following components in an optical path: (1) a high-pass filter to filter out light having wavelengths below a first...	07/21/1998
5739903	Household vessel containing a radiometer within vessels structure A vessel (20) is fabricated with a separate evacuated hollow volume (26) in the side wall (22) and bottom (24) of the vessel (20) that allows for the insertion of a paddlewheel radiometer in the evacuated space. The bottom (24) and side wall (22) of the v...	04/14/1998
5724043	Variable frequency microwave tropopause sensor system and method An apparatus for measuring the properties of the tropopause includes a variable frequency microwave radiometer operating over a range of from about 118.0 to about 119.0 GHz. The radiometer receives as an input a frequency selector signal and produces as a...	03/03/1998
5409314	Pocket size laser power meter A pocket size laser power meter adapted to measure the power of laser energy emitted by a laser. The power meter includes a thermal mass adapted to receive the laser energy. A temperature sensor coupled to the thermal mass translates temperature changes i...	04/25/1995
5327356	Emissions spectral radiometer/fuel flow instrument An apparatus for measuring the combustion effluent of a fossil-fired system with high accuracy as required for the determination of fuel flow rate and boiler efficiency....	07/05/1994
5316380	Laser power meter An isoperibol calorimeter type laser power meter including a laser beam energy absorber, apparatus for measuring the change in temperature of the absorber, electronic timing apparatus for defining a period of time over which a change in temperature of the...	05/31/1994
4926037	Apparatus and method to control the precisional position of a light weight motor energized by radiant energy A motor position controller energized by radiant energy, includes a member that rotates in response to radiant energy. A sensing means is mounted adjacent the absorbing member to sense rotational movement of the member and to generate a member rotational ...	05/15/1990
4903248	Photo-acoustic detector The present invention pertains to a photo-acoustic apparatus for detecting energy that exits from the end of an optical fiber waveguide device. The photo-acoustic apparatus includes a housing having an opening through which the end of the optical waveguid...	02/20/1990
4865446	Laser power and energy meter A laser power and energy meter has a target surface provided with at least one pin hole for passing a small portion of the laser beam impinging thereon and further has a light detector positioned in the path of the laser light passing through the pin hole...	09/12/1989
4431306	Method and apparatus for precision control of radiometer A radiometer controller (11) of a radiation detector (10) is provided with a calibration method and apparatus comprised of mounting all temperature sensitive elements of the controller in thermostatically controlled ovens (26) during calibration and measu...	02/14/1984
4410805	Radiometer generator A self-contained system embodying the principles of the radiometer, the otheoscope, and the dynamoelectric machine is provided to derive an output of electrical energy from an input of radiant energy, and in particular infra-red energy, from the surroundi...	10/18/1983
4397150	Power generating apparatus using radiant energy Power generating apparatus for conversion of radiant to mechanical or electrical energy utilizes radiometric drive rotors coupled to mechanical or electrical output devices; radiometer internal pressure regulating means controls output speed and power. Pa...	08/09/1983
4252440	Photomechanical transducer Light absorbing ultra-thin films mounted under a fixed strain exhibit the behavior of an optomechanicalor photomechanical transducer. The transducer responds to light in a quick and reversible manner converting a time-variable light source into a time-var...	02/24/1981
4184768	Self-calibrating photoacoustic apparatus for measuring light intensity and light absorption Pulsed light and readily measurable pulsed electrical energy are independently applied to a solid black, conductive sample in a gas-filled photoacoustic cell, each causing the black sample to heat. The heating of the black sample causes a pressure wave in...	01/22/1980
4178100	Distributed-switch Dicke radiometers A radiometer on an orbiting spacecraft derives high spatial resolution information from terrestrial and atmospheric regions. N elements or subapertures on the spacecraft transduce electromagnetic energy into electric signals.Many or all of the elements ar...	12/11/1979
4171911	Radiometer A scanning radiometer in which at least one curved mirror is integral with a drivable optical system. Thermal radiation is directed onto a detector facing the mirror at a distance. An electronic system performs a weighting evaluation corresponding to the ...	10/23/1979
4034494	Holiday light A picture display unit comprising an internal light source, a mirror, a rotatable disc, a diffuser, and intermediate sheets....	07/12/1977
4030817	Apodization filter Improved apodization filter serving as the field stop of a scanning radiometer and attenuating unwanted light modulation signals when scanning edges of any field of view resulting in more accurate radiometric measurements....	06/21/1977

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Class 356/216 - Heat absorbing (e.g., radiometers)