Matches 1 - 50 out of 142 1 2 3 >


Match Document Document Title
8985846 Multifunction laser power meter  
A laser power meter incorporating an absorber disc with a peripheral thermopile ring, either continuous or segmented, and an additional temperature detection element in the central portion, that...
8814425 Power measurement transducer  
A power measurement transducer includes a thermally conductive heat spreading device having a first surface configured to thermally couple the power measurement transducer to a device under test....
8814424 Power measurement transducer  
A method of determining thermal output of a device under test includes attaching a power measurement transducer to a device under test, wherein the power measurement transducer includes two or...
8659753 Apparatus and method for measuring energy in a laser beam  
A laser energy sensor and methodology for measuring laser energy in a laser beam by photoacoustic means. Laser energy is converted into acoustic energy which is then measured and converted to an...
8613545 Scan adiabatic resistive calorimeter (SARC) with ohm heating in the sample  
The present invention describes a scan adiabatic resistive calorimeter (SARC) 1 with ohm heating of the sample 20, which measures the heating enthalpy and is formed of an inner cylinder 11 and a...
8272779 Calorimeter  
A calorimeter which includes a casing in which a sample is combusted, a jacket around the casing, and temperature sensors in an outer surface of the jacket.
7954993 Measuring apparatus comprising a Peltier-Seebeck detector  
A measuring apparatus comprises a detector device for detecting a variable to be measured, and a controller operative to control the detector device and generate an output signal indicative of the...
7909505 Method and device for investigation of phase transformations in metals and alloys  
A device and method for investigating phase transformation properties and structural changes of materials. In one form, the device simulates actual thermal processing conditions, while the method...
7670045 Microstrip power sensor  
A power sensor having a microstrip transmission line, comprising: a dielectric substrate; a strip conductor disposed on one surface of the substrate; and a ground plane conductor disposed on an...
7448798 Scanning thermal probe microscope  
An apparatus and method of measuring a parameter associated with a sample is provided. The method includes providing a probe adapted to heat the sample and applying a measuring current having a...
7419835 Screening for ligand binding at specific target sites  
A method for screening of compounds for binding differentiation at various drug target binding sites is used with a device measuring the enthalpy of reaction for the binding. The method includes...
7416897 Method for high-throughput screening assay sample preparation and analysis  
A method is disclosed for high-throughput screening assay sample preparation and testing for the identification of binding between drug targets and library compounds, for use with a calorimetric...
7413706 Replaceable parylene membranes for nanocalorimeter  
A measurement operation, such as a calorimetry measurement, is performed using a measurement array and a replaceable passivation membrane (e.g., a parylene membrane). The passivation membrane is...
7399118 Thermal gas flowmeter comprising a gas quality indicator  
The invention relates to a method and a device for measuring a gas consumption by means of a gas meter. A gas meter with thermal mass flow sensor for determining mass flow signals (SM) and with a...
7249881 Method and apparatus for characterization of devices and circuits  
A method and apparatus for performing characterization of devices is presented. The characteristic of the device are determined by obtaining a first temperature measurement in a first location of...
7077564 Laser power meter  
A laser power meter and associated method are disclosed. The laser power meter has an absorber that is placed in a path of a laser beam during a power measurement, a temperature sensor for...
6971792 Device and method for measuring absorbed heat flux in a fire test apparatus  
A device for measuring the flux received by a specimen in fire test apparatuses has a copper disk or plate of the same dimensions and the same type of surface coating as a typical material...
6854881 Method of estimating temperature and device for the effecting same  
In accordance with the presence or absence of heat, a transistor shows a relatively rapid change, while a cooling water CLW shows a relatively gentle change. The temperatures of both members...
6836677 Bolometer and method for producing bolometer  
A bolometer thin film having a high temperature coefficient of resistance (|TCR|) is produced in a simple and easy production process to provide a highly sensitive infrared sensing element. The...
6767129 Microwave power sensor and method for manufacturing the same  
A microwave power sensor and a method for manufacturing the same. The microwave power sensor includes a semiconductor substrate with a nitride or oxide film formed thereon. A membrane which is a...
6767128 Electromagnetic wave sensor  
The invention concerns a sensor for direct measurement of electromagnetic power, comprising a guiding structure (2) for bringing the power, a dissipative charge (3) and a thermometer. The...
6764215 Method, a measuring cell and a system for measuring very small heat changes in a sample  
The present invention relates to a method, a measuring cell and a system for measuring very small heat changes in a sample. The system comprises a measuring cell 16 for containing the sample...
6748129 Method and apparatus of monitoring optical power level in waveguiding structures  
In accordance with the invention, the optical power level in an optical waveguide is monitored by enclosing a length of the waveguide within an insulated cavity of comparable length and cross...
6589370 Devices for absorbing infrared radiation comprising a quasi-crystalline element  
The invention relates to a device that absorbs infra-red radiation, which comprises as a coupler element for the infra-red radiation, an element made of a quasi-crystalline alloy, made up of one...
6587202 Optical materials testing method  
A method for testing a material block prior to forming the material block into one or more optical components for use with a sub-micron lithographic, high power, narrow bandwidth laser system...
6561692 Differential scanning calorimeter  
A modulated differential scanning calorimeter (MDSC) and a method for practicing MDSC that uses two separate temperature difference signals—the difference between the temperatures of the sample...
6523998 Thermal analysis assembly with distributed resistance and integral flange for mounting various cooling devices  
An improved differential thermal analysis/differential scanning calorimetry (collectively, DSC) assembly with a furnace block assembly having a measurement chamber and a furnace heater. The...
6508585 Differential scanning calorimeter  
An insulating substrate provided with two types of metallic or alloy circuit patterns for detecting temperature difference between a sample side and a reference side, and also a metallic...
6431747 Heat flux differential scanning calorimeter sensor  
A sensor for a heat flux differential scanning calorimeter in which one absolute temperature measurement and two differential temperature measurements are used. The sensor is calibrated and used...
6428203 Power compensation differential scanning calorimeter  
A power compensation differential scanning calorimeter that uses one absolute temperature measurement, two differential temperature measurements, a differential power measurement, and a five-term...
6099162 Resin cure monitor  
The curing of a resin in a continuous manufacturing process is monitored by a sensor which measures the surface thermal energy of the resin. The surface thermal energy is measured without...
6025587 Device for the detection of optical parameters of a laser beam  
Device for the detection of optical parameters consisting of a first sensing element that is sectioned into a plurality of equal regions each able to produce an electric signal, proportional to...
6017147 Calorimetric wattmeter for testing microwave ovens  
A calorimetric wattmeter for testing a microwave oven. The wattmeter comprises a housing which defines an interior chamber for holding a quantity of a microwave absorbing liquid. Attached to the...
6015234 Non-contacting temperature measuring device  
A device (5) for measuring temperatures without mechanical contact comprises a bolometer with thermistors (201, 202, 203, 204) arranged as a Wheatstone bridge. Some of the thermistors (202, 204)...
5980101 Method and apparatus for measuring laser pulse energy  
The invention relates to a method and apparatus for accurately measuring the energy of a laser pulse. The method according to one embodiment comprises directing a first laser pulse to an energy...
5894352 Absorption tester for optical components  
The preferred embodiment of the invention measures the temperature increase of a light-transmitting optical component to determine the optical absorption of the optical component. Accurately...
5779362 Apparatus and method of determining a characteristic related to the thermal power of a sample  
A calorimeter is disclosed comprising a sample chamber (12) adapted to enclose a sample, a thermally conductive reference surface (14) surrounding and insulated from the sample chamber (12) and a...
5758969 Instrument for measuring the energy of optical radiation particularly laser radiation  
In an instrument for measuring the energy of optical radiation, particularly laser radiation, a number of radiation absorbing plate-like foraminous elements are disposed in a tubular housing such...
5743641 Apparatus for power measurement of laser irradiation  
This invention relates to an apparatus for power measurement of laser irradiation. The apparatus according to the invention is comprised of a first elongate body forming a hollow space and...
5678924 Power meter head for laser power measurement apparatus  
Apparatus for measuring laser power includes a target disc of a predetermined thickness located within, and in thermal contact with, a heat-sink. The heat-sink has an opening therein for directing...
5634718 Particle calorimeter with normal metal base layer  
A detector of X-ray and the like in which very good resolution of energy can be obtained. The device is based on two basic components. The first is the x-ray absorber in which an x-ray interacts...
5542764 Thermal difference detector system  
A thermal difference detector for testing serviceability of a heat source includes a sensor connected via an amplifier-filter to a microprocessor outputting an indicator. The inventive detector...
5415024 Composition analyzer for determining composition of multiphase multicomponent fluid mixture  
A composition analyzer and a method of use for determination of the masses of individual components in a multiphase multicomponent fluid system containing a gas. Data and relationships not...
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...
H001426 Apparatus and method for determining the optical power passing through an optical fiber  
An apparatus and method for determining the optical power transmitted through an optical fiber. The invention is based on measuring the intensity of the fluorescence produced by a doped segment of...
5356216 Apparatus for measuring heat of circuit module  
Apparatus for measuring the heat produced by a circuit module that is mounted on a circuit board has a tubular housing of a thermally resistive material such as plastic that is adapted to be...
5322359 Process and apparatus for measuring laser power  
A device for measuring the power of a laser beam includes an electrically actuable measuring wire (10) having a temperature-dependent electrical resistance which is subjected to a relative...
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...
5228777 Quantum-well electronic bolometer and application to a radiation detector  
An electronic bolometer comprises at least a quantum well between two barrier layers. It has an input side parallel to the quantum-well layer and receiving a beam at a quasi-normal incidence...
5209567 Apparatus for measuring the radiation capacity of lasers  
Apparatus for measuring the radiation power of lasers, particularly infrared lasers, with a thermal detector, which supplies a power-caused measurement signal.In order to be able to measure rapid...

Matches 1 - 50 out of 142 1 2 3 >