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Class 374/107 - Rate of change


Subclass of Class 374 - Thermal measuring and testing
Definition: Subject matter where the determination is of the time derivative
No. of patents: 48
Last issue date: 01/08/2008


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NumberTitleIssue Date
7318004Temperature prediction system and method
A thermometer system and method that rapidly predict body temperature based on the temperature signals received from a temperature sensing probe when it comes into contact with the body. A nonlinear, multi-parameter curve fitting process is performed and depending o...
01/08/2008
7284904Electronic clinical thermometer
An electronic clinical thermometer has a probe including a temperature sensor and a heat flux sensor which are controlled to make measurements at specified time intervals. The measured values are used in solving the equation of heat conduction to estimate the temper...
10/23/2007
7275866Digital thermometer
A digital thermometer; having an thermometer body comprises a processing unit serves to integrate the signals of the digital thermometer and sets some operations; the processing unit calculating temperature from the heating sensing unit and then transfers temperatur...
10/02/2007
7270476Electronic clinical thermometer with quick temperature estimating device
An electronic clinical thermometer has one of two temperature measuring devices each for measuring a live body temperature. A temperature estimating device estimates an equilibrium body temperature from a first data item related to change in temperature measured by ...
09/18/2007
7214194Method for thermal diagnosis of pathology of a bioobject and device for carrying out said method
The invention relates to the field of medical equipment and is designed for the temperature diagnostics of bioobject pathologies. The method comprises dynamical measuring a body temperature in a series of points. Based on the difference temperature field on the surf...
05/08/2007
7140768System and method of monitoring temperature
A temperature monitoring system includes a device for monitoring temperature over a period of time, an adaptor in communication with the temperature monitoring device (TMD) and a data programming device (DPD) in communication with the adaptor. The TMD includes a tem...
11/28/2006
7115842Electric blanket and system and method for making an electric blanket
Electric blankets and methods and systems for making electric blankets are provided. Certain electric blanket embodiments include a laminated scrim blanket with a heating element embedded therein. Other embodiments provide an electric blanket formed from conductive ...
10/03/2006
7090658Temperature sensing device for selectively measuring temperature at desired locations along an intravenous fluid line
A temperature sensing device measures the temperature of a fluid at selected locations along an IV fluid line. The device is secured to a selected portion of the IV line and includes a temperature sensor for measuring fluid flowing within that line. The device is co...
08/15/2006
7015702Method for evaluating a measuring signal and corresponding circuit arrangement
In order to measure the current in a shunt, the voltage drop in the resistor of said shunt is evaluated as a measurement of the current. Normally, galvanic separation of the measuring device is required for high-potential shunts. A digital measuring signal provides ...
03/21/2006
6960019Fiber optic temperature monitoring method
A method of monitoring a temperature condition includes inputting a light pulse into a fiber optic cable and receiving a reflection signal that arises from said input light pulse in said fiber optic cable. A temperature condition along the fiber optic cable and a lo...
11/01/2005
6945692Fiber optic temperature monitoring system
A system for monitoring a temperature condition includes a fiber optic cable, a light emitting device coupled to the fiber optic cable and configured to input a light pulse into the fiber optic cable, and an optical receiver coupled to the fiber optic cable and conf...
09/20/2005
6923571Temperature-based sensing device for detecting presence of body part
A temperature-based sensing device (10) for detecting or determining a presence or proximity of a body or body part (12) in or near a garment, device, apparatus, or other item (14), such as, for example, an orthopedic device or exercise apparatu...
08/02/2005
6698921Predictive temperature measurement system
A method and device for rapidly predicting the temperature of an object through a sensor reading of the object's temperature by using a processor comprising finite impulse response (FIR) filters to determine the average value, the first derivative, and th...
03/02/2004
6384384Boil dry detection in cooking appliances
Boil dry conditions are detected in utensils heated on a cooking appliance having at least one energy source disposed under a cooking surface such as a glass-ceramic plate and a controller for controlling the level of power supplied to the energy source. ...
05/07/2002
6270252Predictive temperature measurement system
A method and device for rapidly predicting the temperature of an object through a sensor reading of the object's temperature by using a processor comprising finite impulse response (FIR) filters to determine the average value, the first derivative, and th...
08/07/2001
6118105Monitoring and control system for monitoring the boil state of contents of a cooking utensil
A monitoring and control system for monitoring the boil states of the contents of a cooking utensil located on a cooking surface of a cooktop, indicating the state to a user, and controlling the energy applied to the cooking surface, which may be a glass ...
09/12/2000
5981917Ladle preheat indication system
A ladle preheating system and method in which heat input rate to the ladle is calculated and monitored throughout the preheating period, calculating the moving average slope representing change over time of the rate of change of heat input, correcting the...
11/09/1999
5947370Apparatus and method for real time boiling point detection and control
A system for monitoring and controlling the state of a thermal process. The system applies a modulated heat input to a liquid in a vessel and a thermal response measured at the bottom of the vessel provides information for real time processing of thermal ...
09/07/1999
5811764Method for reducing flicker in electrophotographic printers and copiers
The present invention is a control system for controlling the temperature of the fusing system. This control system utilizes the knowledge of the heating characteristics of the fuser filament along with the knowledge that the human eye is most sensitive t...
09/22/1998
5683605Heater controlling unit using a fuzzy neural network
A heater controlling unit used in a heat fusing device of an image forming apparatus, such as a copying machine, comprises a temperature detecting unit for outputting a detected temperature, a temperature change rate computing unit for computing the surfa...
11/04/1997
5583884Spread spectrum modulation and demodulation systems which accelerate data rate without increasing multilevel indexing of primary modulation
The present invention is an art of spread spectrum modulation systems, wherein a binary serial data is divided into a first bit data and a second bit data, the first bit data is primarily modulated, a spread code corresponding to the second bit data is se...
12/10/1996
5545877Cooking vessel with water detection means
Water detection device to determine the presence of water in a cooking device having a vessel adapted to receive a cooking medium such as oil which serves as a heat transfer medium for cooking food in the vessel. The temperature of the medium in the vesse...
08/13/1996
5437002Water heater control circuit including an empty tank sensor
A water heating system for a commercial coffee brewer includes a control circuit having a dry bowl cut out circuit. The system includes a control circuit, tank, and heater. The dry bowl cut out circuit receives a differentiated temperature signal and gene...
07/25/1995
5259389Electronic clincal thermometer
In a predicting-type electronic clinical thermometer, data acquired from a temperature sensor (51) at a very small time interval (Ɗt) is read in on a real-time basis, the data is converted into detected temperature (T) by means of a processor (9), the te...
11/09/1993
5015102Method and apparatus for measuring temperature of a living body
A method and apparatus for measuring the temperature of a living body, providing a predetermined predictive functional formula in which the value of a shape parameter for reflecting the shape of a sensed temperature curve and the value of coefficient para...
05/14/1991
5011294Electronic clinical thermometer
An electronic clinical thermometer for predicting a sensed temperature that will prevail at a future time is equipped with a predetermined predictive functional formula in which values of predetermined coefficient parameters for superimposing the predicti...
04/30/1991
4989989Hydraulic sensor for quench detection and location in superconductors
The present invention provides a hydraulic sensor for quench detection and location in a superconductor, and particularly a superconductor used to form an inductor or a magnet. The sensor consists of an insulating tube (1) adjacent to and preferably co-wo...
02/05/1991
4986669Electronic clinical thermometer
An electronic clinical thermometer for predicting a sensed temperature that wil prevail at a future time is equipped with a predetermined predictive functional formula in which values of predetermined coefficient parameters for superimposing the predictio...
01/22/1991
4878184Electronic thermometer with predicting means
An electronic thermometer comprising a sensing member for sensing a temperature to be taken thereby, a storage member for storing therein a measured value representing the sensed temperature by a sensing member, a prediction member for computing a predict...
10/31/1989
4866621Predictive operation type electronic clinical thermometer
An electronic clinical thermometer capable of calculating a prediction value of an optimal equilibrium temperature. The thermometer includes a temperature detection section, an operation section, and a display section. The operation section includes a tem...
09/12/1989
4847471Heater for use as either primary or auxiliary heat source and improved circuitry for controlling the heater
A heater unit and control circuitry therefor, the heater unit typically being employed as a preheater or primary heater for the installation and removal of electronic components from a PCB or the like and having various means for accommodating (a) an unev...
07/11/1989
4844622Resettable reusable time temperature recording thermometer
This instrument for tracking and recording temperature excursions in commerical refrigeration environments comprises a closed vessel having two chambers and metering orifice therebetween and a time measurement and recording means including a scale to indi...
07/04/1989
4682898Method and apparatus for measuring a varying parameter
A measuring system has a pair of sensors with the response time of one sensor lagging the response time of the other. The output of each sensor is sampled periodically and the outputs for two successive samples are compared to calculate the actual value o...
07/28/1987
4648055Electronic clinical thermometer, and method of measuring body temperature
An electronic clinical thermometer successively stores the temperature detected at a portion of a body, and measures the time which has elapsed since start of measurement. The thermometer repeats, periodically, a process of obtaining and displaying a pred...
03/03/1987
4616485Temperature controller for an air conditioning apparatus
A temperature controller for an air conditioner including a temperature sensor that provides an output temperature from the air conditioning device, and a temperature rate of change comparison circuit for providing an indication signal that the rate of ch...
10/14/1986
4574359Electronic clinical thermometer, and method of measuring body temperature
An electronic clinical thermometer successively stores the temperature detected at a portion of a body, measures the time which has elapsed since start of measurement, and reads the detected temperature, corresponding to a prescribed length of past time, ...
03/04/1986
4559954Electronic clinical thermometer
An electronic clinical thermometer which uses a small quantity of corrective data for correcting a non-linear output into a linear output to produce a correct temperature reading, and which includes a temperature sensing unit, a corrective data storage un...
12/24/1985
4492336Cooker with heating control system
A high performance automatic temperature control system enables fries and Japanese tempura to be prepared in optimum condition. The temperature of the outer bottom surface of a container being heated is measured by a temperature sensor a given time later. A te...
01/08/1985
4272988Multiple signal thermoparticulating coating
A composition is disclosed of a solution of a resinous carrier and at least two compounds which thermoparticulate at different temperatures between 60° and 200° C. A coating is made by applying the composition to a portion of an electrical apparatus exp...
06/16/1981
4230731Microwave cooking method and control means
There is disclosed a method, and apparatus for practicing the method, of controlling microwave cooking. A temperature measuring probe monitors the temperature of a comestible during cooking which is interrupted at a predetermined time in the cooking cycle...
10/28/1980
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