U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"Man will not fly for 50 years."

Wilbur Wright ; 1901

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 374/11 - Detail of electrical heating control


Subclass of Class 374 - Thermal measuring and testing
Definition: Subject matter having a particular circuitry arrangement
No. of patents: 83
Last issue date: 09/28/2010


1      
NumberTitleIssue Date
7802916Differential scanning calorimeter
There is provided a differential scanning calorimeter for exactly measuring a calorie variation of the measured sample on the basis of the temperature difference between sample container and the reference container without the influence of the heat irregularity inco...
09/28/2010
7748894Thermal analysis equipment
A thermal analysis equipment includes a thermal analysis data preservation function that preserves, as thermal analysis data, signals from a temperature sensor and a physical quantity sensor that detect a temperature and a change in physical quantity, respectively, ...
07/06/2010
7481574Thermal flow rate sensor supplying digital output
A thermal flow rate sensor includes: a bridge circuit having a heat-generating resistor generating heat by receiving a supplied current, a heating element temperature detector having a resistance value varying in accordance with a temperature of the heat-generating ...
01/27/2009
7425896Tag testing device, tag testing method, and tag testing program
A tag testing device uses an infrared camera to take an image of a plurality of radio frequency identification tags, compares the image with a stored standard tag pattern image storage, and detects defective tags based on the comparison. A radio wave transceiver bul...
09/16/2008
7392150Environmental parameter indicator for perishable goods
An electronic device is proposed for accompanying a perishable good during one period to monitor the exposure of the good to an environmental parameter, such as temperature. The device includes a data interface for receiving data representing the exposure of the goo...
06/24/2008
7371006Differential scanning calorimeter (DSC) with temperature controlled furnace
A differential scanning calorimeter apparatus includes reference and sample cells and controlled temperature shields. The temperature of the shields is controlled such that baseline curvature is reduced by eliminating heat flow from the furnaces to their surrounding...
05/13/2008
7338640Thermopile-based gas sensor
A method of manufacturing a sensor is provided. The method includes disposing a sacrificial layer on a substrate, disposing a low-thermal-conductivity layer on the sacrificial layer, and disposing a first set of conductive arms and a second set of conductive arms on...
03/04/2008
7287903Method and apparatus for rapid thermal testing
An apparatus for rapid thermal testing of samples consisting of a single sample chamber in which the samples are preferably arranged circularly around the opening through which a fluid of varying temperature, preferably air, is introduced to provide for rapid, unifo...
10/30/2007
7275862Differential scanning calorimeter with a second heater
A differential scanning calorimeter has a heat sink for accommodating therein a measurement sample and a reference material, and a differential heat flow detector that detects a temperature difference between the sample and the reference material. A cooling mechanis...
10/02/2007
7234861Cooling mechanism, cooling apparatus having cooling mechanism, and thermal analyzer equipped with cooling apparatus
A thermal analyzer has a heat sink for storing therein a specimen, a heater for heating the heat sink and the specimen, at superheating temperatures, and a cooling mechanism thermally connected to the heat sink for cooling the heat sink and the specimen. The cooling...
06/26/2007
7168851Apparatus and method for measuring heat dissipation
An apparatus for measuring heat dissipation of a target heating element includes a reference heating element for emitting heat; a control unit; and a pair of temperature measuring devices for measuring representative temperatures of the target and the reference heat...
01/30/2007
7157801Device and a method for thermal sensing
A device for thermal sensing is disclosed based on one thermopile. The cold junctions of the thermopile are coupled thermally to a first channel comprising a first substance while the hot junctions of the thermopile are coupled thermally to a second channel comprisi...
01/02/2007
7141210Apparatus and method for a nanocalorimeter for detecting chemical reactions
A nanocalorimeter array for detecting chemical reactions includes at least one thermal isolation region residing on a substrate. Each thermal isolation region includes at least one thermal equilibration region, within which resides a thermal measurement device conne...
11/28/2006
7125163Simple 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
7102753Optical system for measurement
In an optical system, first and second optical paths intersected with each other on a sample holder are set, wherein the first and second optical paths are formed so that light from a light source is projected to be converged on the intersection from an incoming sid...
09/05/2006
7097352Instrument material holder and method of fabrication thereof
A holder for materials for use in a measuring instrument includes a three-piece housing consisting of an upper housing member, an intermediate housing member and a lower housing member, the three-piece housing defining a first closed cavity and a second closed cavit...
08/29/2006
7044635Temperature correction method for thermal analysis apparatus and thermal analysis apparatus
Disclosed is a temperature correction method for a thermal analysis apparatus which measures electric current, voltage, and electric resistance of a measurement sample while changing the temperature of the measurement sample set between a pair of electrodes. The pai...
05/16/2006
7038996Method and apparatus for reading an array of thermal resistance sensors
Described is a method for reading an array of sensors having a set of row conductors each connected to the sensors in a corresponding row of the array and a set of column conductors each connected to the sensors in a corresponding column of the array such that each ...
05/02/2006
7033840Reaction calorimeter and differential scanning calorimeter for the high-throughput synthesis, screening and characterization of combinatorial libraries
Workstation, apparatuses and methods for the high-throughput synthesis, screening and/or characterization of combinatorial libraries. The invention relates to an array, which permits various high-throughput methods for synthesis, screening and/or characterization in...
04/25/2006
7025497Differential scanning calorimeter accounting for heat leakage
A method and system for calculating a heat flow to a sample in a differential scanning calorimeter (DSC). The DSC has a sensor within an enclosure comprising an absolute temperature measurement detector for measuring the temperature of a base position on the sensor,...
04/11/2006
7021821Differential thermal sensors
A sensor includes at least two microsensor chips in a housing. The chips may be arranged as (i) an absolute thermal conductivity sensor by exposing one chip to a sample fluid and the other chip to a sealed reference fluid, (ii) a differential thermal conductivity se...
04/04/2006
6999892Circuit arrangement and method for controlling and evaluating signal detectors
A circuit arrangement (10) for activating a sensor and evaluating its signals, in particular for parametric sensors with complex impedances. The circuit arrangement comprises at least one sensor (2) for acquiring mechanical data. In order to minimize o...
02/14/2006
6922787Method and system for providing a flexible temperature design for a computer system
A method and system for providing correct operational parameters for up-level design components utilized within a computer system after a low level basic input/output system (BIOS) code has been qualified. A patch file is created or obtained for a component that is ...
07/26/2005
6913383Method and apparatus for thermally investigating a material
A method and apparatus for thermally investigating a material by driving the material through a temperature profile composed of isothermal and non-isothermal segments is disclosed, which enable determination of a kinetic component in a measured heat flow signal caus...
07/05/2005
6885964Method and apparatus for thermal analysis
In a method and an apparatus for thermal analysis, a target region is divided by dividing the geometry of the target object of the thermal analysis into a finite number of finite elements or cells. The thermal analysis on the target region is conducted using the res...
04/26/2005
6869214Pressure perturbation calorimetry instruments and methods
A calorimeter that includes a sample cell, a reference cell, a pressure system that applies a variable pressure to the sample cell, and a pressure controller that controls the pressure applied by the pressure system to the sample cell. By applying identical pressure...
03/22/2005
6632015Thermal analysis apparatus
With input compensation-type differential scanning calorimeters of the related art, the power supplied fluctuated even with non-endothermic reference materials, and the reference material side temperature therefore also fluctuated. Mutual interference bet...
10/14/2003
6626567Cooling system for thermal analysis
A cooling system for thermal analysis equipment provides rapid cool down and steady state operation of a differential scanning calorimeter (DSC) at any predetermined temperature between a minimal temperature and room temperature using a throttle-cycle coo...
09/30/2003
6616330Automatic humidity step control thermal analysis apparatus
An automatic humidity step control thermal analysis apparatus has a detector for detecting and measuring a physical property of a sample and for generating a physical property signal corresponding to the physical property of the sample. The sample is hous...
09/09/2003
6583391Modulation method and apparatus for thermally analyzing a material
A method and apparatus for thermally analyzing a sample of a material by detecting a heat flow between the sample (7) and a heat source (1) and evaluating a functional relation between the measured heat flow (HF) and an associated temperature is based on ...
06/24/2003
6551835Method and apparatus for thermally analyzing a material
A method and apparatus for thermally analyzing a sample of a material by detecting a heat flow between the sample and a heat source (1, 2) and ,evaluating a functional relation between the measured heat flow and an associated temperature is based on contr...
04/22/2003
6530686Differential scanning calorimeter having low drift and high response characteristics
The sample temperature is roughly controlled according to a program temperature by a furnace temperature controller, and at the same time precisely controlled by a detector temperature controller. Also, if a temperature difference occurs, the supply power...
03/11/2003
6508585Differential 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 resistance circuit pattern, is fixed to a heat sink, and the heat si...
01/21/2003
6422742Differential scanning calorimeter
A sample holder and a reference holder are arranged coaxially. Heat conductors making heat exchange with a heat sink are joined to the heat sink at the same position. The inside diameter of the heat sink can be made close to the diameter of the sample con...
07/23/2002
6402369Arrayable thermal assays
Provided are, among other things, devices for and methods for performing thermal signature assays on a two or more samples in an array, using active/control base thermopiles, the method comprising: [a] performing a heat transfer to the two or more samples...
06/11/2002
6393374Programmable thermal management of an integrated circuit die
A method and apparatus for power throttling to manage the temperature of an IC. A temperature sensor is manufactured on the same die as the IC components. The temperature sensor generates an output in response to junction temperature of the IC components....
05/21/2002
6318890Single cell calorimeter
A heat flow calorimeter comprises a single sample holder (5) in thermal contact with a heat source (1). A temperature difference over mutually spaced locations (11, 12) along a heat flow path between sample (23) and heat source (1) is measured. The measur...
11/20/2001
6275750Apparatus for setting heating condition in heating furnace and thermal analyzer for object to be heated in heating furnace
The present invention relates to a method and apparatus for setting heating conditions in a heating furnace wherein a temperature distribution of an object to be heated is measured required minimum times and thermal analysis for the object is performed, t...
08/14/2001
6239415Process and apparatus for measuring enthalpy changes by means of differential thermal analyzer (DTA) apparatus, operating with quasi-isothermal heating technique
In a thermal analysis process for investigating thermal phase transformations, a sample and a reference substance are placed into a furnace with rising temperature of a predetermined rate operated by a programmed temperature controller. The temperatures o...
05/29/2001
6238085Differential thermal analysis sensor
A sensor having an active sensing material exposed to the substance to be detected and an active reference material that is shielded from the substance to be detected. Thermocouples having a set of junctions proximate to the active sensing material and an...
05/29/2001
1      
 
Sign InRegister
Username  
Password   
forgot password?