Class / Patent application number | Description | Number of patent applications / Date published |
073100130 | Weight | 30 |
20090031781 | Scale with Gravity Calibration Feature - A scale includes a self-calibration feature that enables the scale to automatically determine an appropriate gravity strength value for an operating location of the scale. | 02-05-2009 |
20090044594 | Method and Device for Calibrating a Weighing System of a Blast Furnace Top Hopper - A method for calibrating a weighing system of a blast furnace top hopper and a corresponding weighing system are disclosed. The method comprises the step of using at least one actuator for exerting a vertical net force with a certain magnitude onto the hopper, so as to simulate a certain weight of charge material in the hopper; and the step of determining the magnitude of the vertical net force. According to the invention, the method further comprises the step of determining the magnitude of a pressure exerting a lifting force onto said hopper and the step of using the determined magnitude of the vertical net force and the determined magnitude of the pressure to establish calibration data for the weighing system. | 02-19-2009 |
20090100899 | ELECTRONIC BALANCE - An electronic balance is provided, in which a tolerance resulting from temperature variation is variable and a frequency for sensitivity calibration corresponds to the tolerance. A load detecting portion | 04-23-2009 |
20090107207 | Weight applying unit for calibration and weight applying method for calibration - A weight measuring apparatus, in which a load platform is supported by a plurality of load sensor sections and the weight of a measurement target object placed on the load platform is measured based on a load value detected by each of the plurality of load sensor sections, is supported by a support section. Thereafter, the weight applying section applies a predetermined load to each of the plurality of load sensor sections included in the supported weight measuring apparatus. | 04-30-2009 |
20090107208 | CALIBRATION WEIGHT ARRANGEMENT FOR AN ELECTRONIC BALANCE - A calibration weight arrangement ( | 04-30-2009 |
20090151420 | Verification of Scale Calibration Method and Apparatus - A method of determining whether a scale in a fluid handling device needs to be calibrated includes weighing a storage tank of fluid a first time with a scale, transferring the fluid from the storage tank to an area of known volume, weighing the storage tank at a second time with the scale, after fluid has been moved to the area of known volume, determining the pressure of the fluid in the area of known volume with a pressure sensor, calculating a temperature of the fluid in the area of known volume with the determined pressure, calculating the weight of fluid in the area of known volume based on the calculated temperature, calculating the weight of fluid in the area of known volume based on the determined temperature and temperature, comparing a difference in weight of the storage tank between the first and second weighing times with the weight of the fluid in the area of known volume; and sending a first signal to a user indicating a calibration of the scale is not needed if the difference between the compared weights of the fluid is within a predetermined range. | 06-18-2009 |
20090151421 | WEIGH-IN-MOTION SYSTEM WITH AUTO-CALIBRATION - Weigh-in-motion (WIM) systems for weighing moving vehicles, the systems having the ability to automatically determine and periodically apply calibration factors to WIM scale readings. Auto-calibration may include transferring both WIM and static weight readings for the same vehicle to a database, associating the weight readings, collecting a number of such weight readings, and analyzing the differences between the WIM and static weight readings to calculate WIM scale calibration factors. The calibration factors may be based on vehicle characteristics such as vehicle weight, vehicle class and/or vehicle speed at the WIM scale. | 06-18-2009 |
20090314054 | WHEELCHAIR BALANCE TOOL AND METHOD - A balance tool for evaluating weight distribution of a wheelchair positioned on an elongated platform with a support extending from a lower surface and a linear scale, a measuring bar slideably movable relative to the linear scale for making measurements of horizontal distances between a center of mass and the center of the front wheels and the rear wheels, for determining the relative weight carried by the wheels and for adjusting the position of the wheels to have the rear wheels carry a substantial majority of the weight. A method of adjusting the balance of a wheelchair is disclosed. | 12-24-2009 |
20100147049 | CHECK WEIGHT, METHOD AND SYSTEM TO ENSURE TRACEABILITY OF SAME - A check weight ( | 06-17-2010 |
20110005295 | CALIBRATION WEIGHT ARRANGEMENT FOR AN ELECTRONIC BALANCE - A calibration weight arrangement ( | 01-13-2011 |
20110162433 | FALL DETECTION SYSTEM - There is provided a fall detection system comprising a fall detector for monitoring the movement of a user and detecting if the user has fallen or is about to fall, one or more sensors for collecting measurements of one or more physical characteristics of the user, wherein the fall detector uses the measurements to adapt the fall detection to the physical characteristics of the user. | 07-07-2011 |
20110226035 | WEIGHT MEASURING DEVICE - To correctly recognize the 0 kg state and to reduce the time required for weight measurement. A body composition meter including a load cell for measuring a weight includes step of performing a measurement of an output value of the load cell in an initial state on which a measuring target does not ride, a storage unit for storing a plurality of measured output values of the initial state, step for creating 0 kg reference value data when variation of the plurality of output values in the initial state is within a predetermined range, and step of measuring using the initial reference value when measuring the weight with the load cell. | 09-22-2011 |
20110232357 | CALIBRATION ARRANGEMENT FOR AN ELECTRONIC BALANCE - A method for adjusting a calibration arrangement of an electronic balance during the production process, wherein the calibration arrangement includes a transfer mechanism with a drive system, and wherein the calibration arrangement couples at least one calibration weight to the force-measuring device, said coupling being effected by the transfer mechanism transferring the calibration weight in a guided movement between a rest position and a calibration position. According to the method the distance between the end stops is determined by a counter system and stored into memory. Using the stored travel distance to calculate the rest position and the calibration position. | 09-29-2011 |
20110296899 | LOAD CARRIER - A load carrier with a receiving pan for a free-flowing substance, a calibration weight holder for supporting a calibration weight, and a connector element for connecting the load carrier to a load receiver of a weighing cell. The receiving pan is arranged between the connector element and the calibration weight holder and is designed to be loaded with the free-flowing substance through a passage in the calibration weight holder. The calibration weight holder can be loaded with a calibration weight independently of the load status of the receiving pan. | 12-08-2011 |
20120234073 | METHOD AND APPARATUS FOR CALIBRATING A SENSOR FOR THE MEASUREMENT OF MATERIAL THICKNESS OR SURFACE WEIGHT - A method is provided for calibrating a sensor used for surface weight measurement or thickness measurement on a material sheet via transmission measurement and/or reflection measurement. The method may include: providing a two-dimensional calibration sample with a known surface weight; detection of the transmission values and/or the reflection values of the calibration sample via the sensor on a plurality of different positions two-dimensionally or areally distributed across the surface of the calibration sample; and the detection of the calibration value for the sensor via calculation of average from the plurality detected transmission values and/or reflection values and the composition of the average transmission and reflection values with the known surface weight of the calibration sample. Also provided is a method for measurement of layer thickness and/or surface weight of material sheets using the calibration method, as well as an apparatus for layer thickness measurements and/or surface weight measurement. | 09-20-2012 |
20120285218 | CHECKWEIGHER PERFORMANCE VALIDATION - A system and method of validating checkweigher performance (weighing accuracy). The invention involves removing an object to be weighed from a conveyor prior to the object reaching a checkweigher to be validated, weighing the object on a static scale, reintroducing the object to the conveyor upstream of the checkweigher, weighing the object with the checkweigher, and comparing the two weight readings of the object to determine if the checkweigher is accurately weighing objects. Validation objects may be automatically removed from the conveyor by a transfer mechanism. | 11-15-2012 |
20120312069 | FORCE-TRANSMITTING MECHANISM WITH A CALIBRATION WEIGHT THAT CAN BE COUPLED AND UNCOUPLED - A force-transmitting mechanism of a gravimetric measuring instrument, with a stationary portion, and a load-receiving portion that is joined through a force-transmitting connection to a measurement transducer that is arranged on the stationary portion. A calibration weight may be coupled to the force-transmitting mechanism in such a way as to minimize the degree to which changes of the geometry can affect the force that the calibration weight exerts on the measurement transducer. | 12-13-2012 |
20130025344 | CHECK WEIGHT, METHOD AND SYSTEM TO ENSURE TRACEABILITY OF SAME - A check weight ( | 01-31-2013 |
20130098136 | METHOD FOR CALIBRATING LARGE FIXED ELECTRONIC SCALE - A method for calibrating large fixed electronic scale is provided. The method applies an auxiliary verification device to calibrate the large fixed electronic scale without using a weight and includes following steps of: loading and unloading every supporting point on the scale table board of the scale by at least one self-locating loading and unloading mechanism; measuring and displaying a load that each loading and unloading mechanisms applies to the scale table board by at least one high accuracy load gauge; controlling a size of the load that each loading and unloading mechanisms applies to the scale table board by a constant load control device; and comparing a precise load displayed by the high accuracy load gauge with a gauge weighing display value of the scale to obtain a calibration error of the scale. The present method greatly improves working efficiency and safety and reduces costs. | 04-25-2013 |
20130104620 | VERIFICATION SYSTEM FOR LARGE-SCALE WEIGHING MACHINE AND SELF-LOCATION LOADING-UNLOADING LOAD MEASURING DEVICE | 05-02-2013 |
20130219985 | HIGH PRECISION BELT WEIGHING DEVICE AND METHOD - Various embodiments provide a high precision belt weighing device and a high precision belt weighing method. An exemplary high precision belt weighing device includes a set of buffer carrier rollers provided between a first and second belt weighing scale frames. A volume scale hopper is provided above the set of buffer carrier rollers. A transfer conveyor is provided above the volume scale hopper. The first and second belt weighing scale frames, the volume scale hopper, an initial point detector, and a speedometer are connected with a weighing control instrument by cables. Cumulative weights of bulk materials handled by each of the first and second belt weighing scale frames, the corrected weight of bulk materials in the volume scale hopper, and a zero point in the length of a conveying belt detected by the initial point detector are displayed on the weighing control instrument. | 08-29-2013 |
20130233045 | FORCE-TRANSMITTING MECHANISM WITH A CALIBRATION WEIGHT THAT CAN BE COUPLED AND UNCOUPLED - A force-transmitting mechanism ( | 09-12-2013 |
20130239648 | DYNAMIC THICKNESS ADAPTATION FOR AN IN-LINE SCALE - Methods and apparatus for weighing an article, such as a mail piece, while the article is moving at high speed. An article ( | 09-19-2013 |
20130319072 | LOAD CELL AND METHOD FOR ADJUSTING A LOAD CELL - A load cell ( | 12-05-2013 |
20140090444 | Measurement Apparatus Having Weight Measurement Function, Display Device, and Weight Measurement System - This measurement apparatus having a weight measurement function outputs a weight measurement result before calibration after measuring the weight of a user before calibration, measures reference weight for calibration in a state where the user does not get on a measurement apparatus body, and outputs a weight measurement result of the user after calibration. | 04-03-2014 |
20140150518 | METHOD AND APPARATUS FOR CALIBRATING A DISPENSER - A method of calibrating a dispenser of the type having a material dispensing unit that is configured to dispense material on a substrate includes providing a weigh scale having a plate configured to receive material dispensed on the plate, dispensing one or more patterns of material on the plate; weighing the amount of material dispensed on the plate, and comparing the weighed amount of material to a designated amount of material. The act of dispensing one or more patterns of material replicates at least a portion of patterns of material dispensed on the substrate during a dispensing operation. A controller for performing the method is further disclosed. | 06-05-2014 |
20140150519 | ELECTRONIC BALANCE - The change in the weight of a sample is monitored in time series using a reference weight. At each monitoring point, the respective loads of an empty sample scale pan, the scale pan with the reference weight, the empty scale pan, the scale pan with the sample, the scale pan with the reference weight, and then the empty scale pan are detected at time intervals T by a load detector to calculate the weights of the reference weight and the sample. The calculated weight of the reference weight is compared with the calculated weight of the reference weight at the time of the last monitoring to calculate a sensitivity correction coefficient, and the difference between the sample weight multiplied by the sensitivity correction coefficient and the last sample weight is calculated as the amount of sample weight variation. | 06-05-2014 |
20140245809 | Carrier unit for a weight switching device and weighing cell - A carrier unit for a weight switching device includes a first shift weight carrier ( | 09-04-2014 |
20150082857 | Method and Apparatus for Zeroing a Weigh Scale - An optical code scanner is presented that includes a weigh scale and a least one image capture device. The image capture device captures images that are used to read optical codes presented to the optical code scanner for reading. The image capture device further captures images of the top surface of a weigh plate on the weigh scale. The optical code scanner analyzes the images of the weigh plate before performing a zero function on the weigh scale to determine if an object has been placed on or is touching the weigh plate. The zero function is only performed when no object is placed on or is touching the weigh plate. | 03-26-2015 |
20150330829 | ADAPTIVE POINT-OF-SALE (POS) DEVICE - A Point-Of-Sale (POS) device detects vibrations produced from equipment in its operational environment. The vibrations are identified and one or more filters produced to remove the vibrations when the POS device is used to improve the accuracy of the POS device. | 11-19-2015 |