Weight Patents (Class 73/1.13)
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Patent number: 7478001Abstract: A method for temperature-compensated weight measurement includes receiving a first output signal from a load sensor device coupled to a structural member, receiving a second output signal from a temperature sensor device, and calculating a load weight value by using the first output signal and the second output signal, and applying a statistically-generated temperature compensation factor.Type: GrantFiled: April 19, 2007Date of Patent: January 13, 2009Assignee: Hi-Tech Transport Electronics, Inc.Inventors: Harold Fasig, Bernard L. Koenigsberg
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Patent number: 7441436Abstract: A weighing apparatus calibration method uses a test mass, a material and a terminal to calculate and compare the total weight of the test mass and material to determine if the total capacity of the weighing apparatus has been calibrated. A system for managing calibration of a weighing apparatus is also described.Type: GrantFiled: March 14, 2006Date of Patent: October 28, 2008Assignee: Mettler-Toledo, Inc.Inventors: Doug Bliss, John Moorman, Venus Simmons
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Publication number: 20080262774Abstract: A method for temperature-compensated weight measurement includes receiving a first output signal from a load sensor device coupled to a structural member, receiving a second output signal from a temperature sensor device, and calculating a load weight value by using the first output signal and the second output signal, and applying a statistically-generated temperature compensation factor.Type: ApplicationFiled: April 19, 2007Publication date: October 23, 2008Inventors: Harold Fasig, Bernard L. Koenigsberg
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Patent number: 7398668Abstract: A system and method of sensing a load on a vehicle that includes a plurality of wheel-engaging members is disclosed. The vehicle body is supported on the plurality of wheel-engaging members and receives a cargo having a cargo weight. The method includes providing a non-fluid spring having an unloaded length and a spring rate, the non-fluid springs are supported between the vehicle body and one of the wheel-engaging members and being deflected to a loaded length under the cargo weight of the cargo. The method continues with determining the loaded length of the non-fluid springs. The method also includes determining an approximate value of the cargo weight based at least partially upon the spring rate and the loaded length of the non-fluid spring.Type: GrantFiled: June 27, 2006Date of Patent: July 15, 2008Assignee: BFS Diversified Products, LLCInventor: Daniel L. Nordmeyer
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Patent number: 7395689Abstract: An electronic balance with a force-transmitting device (1, 101) has a calibration weight arrangement (4, 104). The arrangement includes a calibration weight (3, 103) capable of being coupled to the force-transmitting device (1, 101). It also includes a transfer mechanism and a drive source to effect a guided movement of the calibration weight (3, 103). The drive source has an actuator (16) that cooperates with the transfer mechanism and consists, at least in part, of a shape memory alloy. The actuator (16) moves the calibration weight (3, 103) through a structural change of the shape memory alloy as a result of a temperature change.Type: GrantFiled: December 6, 2005Date of Patent: July 8, 2008Assignee: Mettler-Toledo AGInventors: Dominique Genoud, Christoph Latzer
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Publication number: 20080141755Abstract: A self-service checkout terminal includes a scanner and a weight scale. The customer passes each item past the scanner to identify the item and obtain weight data for that item from a centralized database, including a mean weight and a standard deviation. An error value is calculated from the measured weight of each item and the weight data. The error value of all items scanned during the common transaction are summed to produce an accumulated error for the particular weight scale during that transaction. This accumulated error is compared to a threshold value to determine whether a fault condition exists at the weight scale.Type: ApplicationFiled: December 14, 2006Publication date: June 19, 2008Applicant: NCR CorporationInventor: Thomas V. Edwards
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Patent number: 7383717Abstract: In a force sensor abnormality detection system for a legged mobile robot having a force sensor installed between a foot and each leg and producing an output indicative of floor reaction force acting from a floor on which the foot contacts, the robot is controlled to to perform a walking-in-place motion when the robot is powered on, it is discriminated whether the output of the force sensor during the walk-in-place motion are within a predetermined range, and abnormality of the sensor is detected based on a result of the discrimination, thereby enabling detection of force sensor abnormality with high accuracy in a legged mobile robot whose feet are equipped with force sensors for detecting floor reaction forces.Type: GrantFiled: September 15, 2005Date of Patent: June 10, 2008Assignee: Honda Motor Co., Ltd.Inventors: Yuichiro Kawaguchi, Takashi Matsumoto
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Patent number: 7363184Abstract: A method (60) for adjusting a sensed load W(s) of a vehicle seat weight sensing system (10) includes the step (64) of determining a rate of change {dot over (W)}(t),{dot over (W)}avg in the sensed load. The method (60) also includes the step (66) of determining the likelihood of drift in the sensed load W(s) in response to the determined rate of change {dot over (W)}(t),{dot over (W)}avg.Type: GrantFiled: February 9, 2005Date of Patent: April 22, 2008Assignee: TRW Automotive U.S. LLCInventors: Christopher J. Hibner, Raymond J. David
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Publication number: 20080083261Abstract: A zero gravity scale adjusting device for a steel cylinder zero gravity detector is composed of a main body, a suspension rod, a connector, a clamping device, and a counterweight, wherein the main body is extended with the suspension rod which is fixed on the connector, and the connector is corresponding to the clamping device which is extended with a fixing rod for rotatably fixing the connector. By rotatably fixing with the fixing rod, and through a scale of the clamping device, a position of the counterweight can be clearly and accurately adjusted while the device is used, and the counterweight can be quickly adjusted to achieve the balance position which can be detected conveniently.Type: ApplicationFiled: October 6, 2006Publication date: April 10, 2008Inventor: Li-Huan Chen
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Patent number: 7331210Abstract: The loadcell live idler platform scale has an idler to support a conveyor belt and a frame on which the rollers are mounted. The weighbridge has four load cells connected perpendicular to each end of the frame, strain gauges to receive deflections from each pair of load cells, a speed detector for the material passing upon the conveyor, and a controller for converting the signals of the strain gauges and the speed detector to the desired weight and volume data along with calibrating the scale. Beneath the idler, the scale has a calibration weight resting in a tray. Two cables, attached to the idler and its mounts, suspend the calibration weight and an activator raises and lowers the calibration weight. The calibration weight and activator are generally cylindrical and parallel to the longitudinal axis of the idler.Type: GrantFiled: September 13, 2006Date of Patent: February 19, 2008Inventor: Ronald Dietrich
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Patent number: 7292951Abstract: A method of compensating for hysteresis in a load cell, by: (a) pre-calibrating a load cell by: measuring load cell deflection under progressively increasing loads; determining a first set of coefficients correlating the deflection of the load cell to the measured load under the progressively increasing loads; measuring load cell deflection under progressively decreasing loads; determining a second set of coefficients correlating the deflection of the load cell to the measured load under the progressively decreasing loads; and then (b) compensating for hysteresis in the load cell, by: selecting the first set of coefficients if the load on the load cell has been progressively increasing, or selecting the second set of coefficients if the load on the load cell has been progressively decreasing; and applying a formula using the selected first or second set of coefficients to the measured load cell deflection at the particular load, thereby determining an accurate load cell deflection, and thus compensating for hType: GrantFiled: July 11, 2005Date of Patent: November 6, 2007Inventor: Michael M. Aust
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Patent number: 7255003Abstract: A scale for determining a quantity of material in a container such as a keg. The scale may include a support member configured to be placed under a portion of the container, a display to indicate the quantity of material in the container, and a weight sensor positioned underneath the support member to determine the quantity of material in the container and to provide a signal to the display.Type: GrantFiled: September 12, 2005Date of Patent: August 14, 2007Inventor: Calvin R. Schneiter
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Patent number: 7176389Abstract: An electronic balance includes a sample plate for placing a sample, a load detecting unit for determining a weight of the sample, a sensitivity calibration mechanism having a calibration weight disposed under the sample plate for applying a load of the calibration weight to the load detecting unit, a weight holding member with a spring property for holding the calibration weight when the load of the calibration weight is not applied to the load detecting unit, and a pressing member disposed above the weight holding member for restricting an upper movement of the weight holding member. The load detecting unit converts a load of the sample placed on the sample plate into an electrical signal according to a sensitivity coefficient to determine the weight of the sample. The sensitivity coefficient is calibrated when the load of the calibration weight is applied to the load detecting unit.Type: GrantFiled: June 1, 2004Date of Patent: February 13, 2007Assignee: Shimadzu CorporationInventor: Atsushi Iiduka
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Patent number: 7162459Abstract: A weight estimating system for estimating the weight of a mailpiece and a postage metering system including such a weight estimating system. The weight estimating system includes a measuring system, a diverter mechanism and a microprocessor system. The measuring system includes a transport, a first plurality of detectors for measuring the dimensions of the mailpiece and a second plurality of detectors for measuring values of other characteristics of the mailpiece which are indicative of the presence of non-paper materials in the mailpiece as the mailpiece is transported. The microprocessor is responsive to the second detectors to determine if non-paper materials are included in the mailpiece and, if not, determines the volume from the dimensional measurements and estimates the weight as the product of the volume and a density for paper output an appropriate postage amount to the meter and the mailpiece to the printer.Type: GrantFiled: December 19, 2002Date of Patent: January 9, 2007Assignee: Pitney Bowes Inc.Inventors: John E. Massucci, Robert A. Cordery, John P. Miller
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Patent number: 7138585Abstract: Disclosed is a bath scale for measuring a user's weight having a weight display and a message display driven by a detection-and-display system adapted to provide through the message display one or more substantially non-deductive messages to the user of the bath scale that instruct the user in plain language how to use the scale.Type: GrantFiled: May 7, 2003Date of Patent: November 21, 2006Assignee: Sunbeam Products, IncInventors: Gabriel Kohn, Alejandro Herrera, Anson Wong, Patricia Bassett
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Patent number: 7129426Abstract: A weight scale with hybrid graduation includes an elastic element, a carrier mounted to the lower end of the elastic element, an indicator block mounted between the elastic element and the carrier, and a graduated housing for receiving the elastic element and the indicator block. The indicator block includes at least one auxiliary graduation. The graduated housing includes at least one primary graduation having a unit different from that of the auxiliary graduation. A weight of an object attached to the carrier is measured through vertical relative movement between the primary graduation and the auxiliary graduation to provide more accurate measuring result.Type: GrantFiled: September 19, 2005Date of Patent: October 31, 2006Inventor: Huang-Lin Wang
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Patent number: 7105751Abstract: A calibration assisting device includes a reference load data storage means 30d for storing, as a reference load data, the reference load data produced from load sensor 10 when a desired reduced quantity is generated in a vehicle weight measuring device 40, a load data fetching means 30a1 for fetching the load data produced from the load sensor 10, a tire load data fetching means 30a2 for fetching a tire load data produced from the vehicle weight measuring device 40, a reduced quantity detecting means 30a3 for detecting a reduced quantity on the basis of the tire load data thus fetched, a calibration information creating means 30a4 for creating calibration information on the basis of the load data fetched by the load data fetching means 30a1 corresponding to the tire load data and the reference load data stored in the reference load data storage means 30d when the reduced quantity is detected, and a calibration information outputting means 30a5 for outputting the calibration information produced from the caliType: GrantFiled: May 18, 2004Date of Patent: September 12, 2006Assignee: Yazaki CorporationInventors: Masayuki Terada, Michiharu Matsuda, Atsushi Kobayashi, Kazunori Uemori
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Patent number: 7091428Abstract: A weighing apparatus for measuring a weight of an article including a Roberval mechanisms; a first load converting unit including a load receiving portion operationally coupled with a load receiving portion of the Roberval mechanism and a plurality of levers connected in series, a second load converting unit formed by a second Roberval mechanism whose load receiving portion is operationally coupled with the last lever of said first load converting unit, and a load sensor unit including a load receiving portion operationally coupled with the load receiving portion of the second load converting section and a load sensor coupled with said load receiving portion of the load sensor unit, wherein the load applied to said load receiving portion of the Roberval mechanism is enlarged or reduced by the levers of the second load converting section and a thus enlarged or reduced load is applied to the load sensor.Type: GrantFiled: June 24, 2004Date of Patent: August 15, 2006Assignee: Shinko Denshi Co., Ltd.Inventor: Masaru Ikeshima
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Patent number: 7076990Abstract: A load cell type weight measuring device includes a load cell formed of a strain member provided with a plurality of strain gauges and deforming according to a load applied to a load receptacle. The load cell type weight measuring device converts an output of a Wheatstone bridge circuit formed of the respective strain gauges into a weight value to display. Two weight receptacles are attached to the strain member. It is arranged such that when a load is applied to one of the load receptacles, a strain at a portion of the strain member provided with the strain gauges becomes smaller than that when the load is applied to the other of the load receptacles.Type: GrantFiled: July 8, 2004Date of Patent: July 18, 2006Assignee: Shimadzu CorporationInventor: Nobuyuki Yoshikuwa
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Patent number: 7055365Abstract: A load sensor hardly causing error in weight measurement even when the environmental temperature of the load sensor varies, and a seat weight measuring apparatus using the load sensor. The sensor includes a plurality of strain gauges form a bridge circuit. The strain gauges forming the bridge circuit are attached to the front and back surfaces of a base plate at substantially the same location. Portions of a flexible substrate, on which the strain gauges are formed, are folded and adhered to the back of the sensor plate with adhesive. The bridge circuit formed by the strain gauges compensates for the variation in resistance among the strain gauges generated due to the temperature distribution of the base plate, resulting in little or no variation in output.Type: GrantFiled: November 25, 2003Date of Patent: June 6, 2006Assignee: Takata CorporationInventor: Eiji Yanagi
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Patent number: 7041914Abstract: A method (10) for reducing or eliminating the effects of proximate samples on the NMR measurement of the mass of a test sample in a NMR check weighing system (24) for samples on a production line. The test sample is in a container (22) on a production line with the plurality of proximate samples each also in a container (22) on the production line. Method (10) includes determining cross coupling weighing factors for a plurality of samples in proximity to the test sample, magnetic resonance measuring of the test sample and proximate samples, the step of magnetic resonance measuring of the test sample and proximate samples providing data representative of each measurement; and applying weighing factors to the data representative of each measurement compensating for the proximate sample effects.Type: GrantFiled: June 30, 2004Date of Patent: May 9, 2006Assignee: The BOC Group, Inc.Inventors: Peter Aptaker, James M. McKendry, Jozef A. W. M. Corver
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Patent number: 7015400Abstract: A belt weighing apparatus for maintaining high accuracy in weighing by way of maintaining a fixed tension in the belt and preventing the belt from oscillating. The belt conveyor is comprised of a supporting frame, an upper guiding unit arranged on the supporting frame, a first and a second end-supporting device arranged on the supporting frame in proximity to the opposite ends of the upper guiding unit, a motor unit, at least one weighing platform arranged in-between the first and a second end-supporting devices, a lower guiding unit having a first property arranged on the supporting frame, and an endless conveyor belt having a second property is extended between said first and a second end supporting devices.Type: GrantFiled: August 2, 2002Date of Patent: March 21, 2006Assignee: Marel HFInventors: Jon Olafsson, Kristinn Steingrimsson, Bjarni Valur Valtysson
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Patent number: 7012198Abstract: A balance includes a weighing cell with a vertically movable load receiver, a weighing pan to receive a weighing load, and a support element to couple the weighing pan to the vertically movable load receiver of the weighing cell. A cantilever arm with a seat for at least one calibration weight is solidly connected to the support element. The balance has a coupling arrangement that constrains the support element with low-friction mobility to the load receiver at three points forming a triangle in a plane that extends orthogonal to the symmetry plane of the weighing cell, wherein the triangle is symmetric to the symmetry plane of the weighing cell. Under the coupling arrangement, the support element is solidly supported on the load receiver in the direction in which the weighing load is acting.Type: GrantFiled: April 2, 2003Date of Patent: March 14, 2006Assignee: Mettler-Toledo GmbHInventors: Beat Lüdi, Eduard Fringeli, Paul Lüchinger
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Patent number: 7010449Abstract: To provide a method with which one or more digital load cells of a load-receiving device can be replaced without the weighing system having to be newly calibrated, it is proposed that, in the event of a replacement, at least one of the previous load cells remains in the weighing system and in that, once the replacement has taken place, a new set of parameters is determined for the load cell used as the replacement via the central control unit on the basis of the data of the replaced load cell, which the control unit receives from the load cell remaining in the system, and is stored in the parameter memories of all the load cells.Type: GrantFiled: December 13, 2004Date of Patent: March 7, 2006Assignee: Bizerba GmbH & Co. KGInventor: Gebhard Pfeiffer
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Patent number: 7009120Abstract: A scale includes a housing, a first pressing element, a second pressing element, an adjusting unit, a spring, a carrying unit and an indicator. The housing includes a graduation provided thereon and has a lower portion. The adjusting unit is secured to the lower portion of the housing and has a first thread. The first pressing element is slidably secured in said housing and has a second thread engaged with the first thread of said adjusting unit. The adjusting unit can be rotated relative to the first pressing element for moving the first pressing element in the housing in the direction where the spring can be compressed. The second pressing element is slidably received in the housing. The spring is received in the housing and between the first and second pressing elements. The carrying unit is suited for carrying an object to be weighed and is engaged with the second pressing element.Type: GrantFiled: March 1, 2004Date of Patent: March 7, 2006Assignee: Rayjen International Ltd.Inventor: Frank Lee
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Patent number: 6987226Abstract: An occupant weight detecting apparatus for detecting an occupant weight on a seat includes a load sensor mounted on the seat to detect a load on the seat and output a load signal. A detected load value is calculated periodically based on the load signal and an average is calculated based on the detected load values calculated during a period in which the detected load value is less than a first predetermined. The average of the detected load values is set to a zero point, and the occupant weight is detected based on the detected load value and the zero point when the detected load value exceeds a second predetermined value.Type: GrantFiled: March 26, 2003Date of Patent: January 17, 2006Assignee: Aisin Seiki Kabushiki KaishaInventors: Morio Sakai, Koji Aoki, Masaki Mori, Minoru Izawa, Yasunori Hasegawa, Takaaki Enomoto
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Patent number: 6985077Abstract: A method of tuning the output of a sensor array for a vehicle seat occupancy sensing system that is used with a neural net for occupancy classification. The method includes the step of pressing a series of seat cushion body pressure distribution forms in a series of predetermined seating positions into a particular vehicle seat to produce a series of representative sensor response patterns from the sensor array. The method also includes the steps of comparing each sensor response pattern through the neural net and determining if any of the determined sensor patterns are indistinguishable, and then determining which sensors were deflected and the amount of deflection in those sensors for the indistinguishable sensor response patterns. The method steps further include adjusting the biasing of said sensors to cause said indistinguishable patterns to diverge and be distinguishable by the neural net and repeating the above steps until the senor response patterns are distinguishable from one another.Type: GrantFiled: December 30, 2003Date of Patent: January 10, 2006Assignee: Lear CorporationInventors: John F. Nathan, Oliver Young
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Patent number: 6903282Abstract: A scale having a load platform suspended by multiple horizontally spaced suspension members. Tensions on the suspension members apply torques to a load transfer linkage comprising a plurality of horizontally extending, torsionally rigid torque transfer members arranged for additive transfer of the torques to a lever counterbalancing and indicating device. Equality of the torque arms at all connections of the suspension members to the rigid members is achieved by allowing the suspension members to extend substantially vertically and to bear with minimal lateral forces on calibrating sleeves of predetermined uniform and equal diameters received on the rigid members.Type: GrantFiled: September 5, 2002Date of Patent: June 7, 2005Assignee: Hyer Industries, Inc.Inventor: Frank S. Hyer
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Patent number: 6864437Abstract: A weight set for an electronic balance has at least two different weights (15, 25, 26, 27, 28, 29) and a weight-receiving device (19) with receiving positions for each of the weights (15, 25, 26, 27, 28, 29). The weight set (2) has one lifter unit (17) per weight for the vertical movement of each individual weight (15, 25, 26, 27, 28, 29). The lifter units, which are equipped with a weight-seating device and reach through the weight-receiving device (19), are identical and are arranged parallel to each other in the weight set (2).Type: GrantFiled: November 15, 2002Date of Patent: March 8, 2005Assignee: Mettler-Toledo GmbHInventor: René Weber
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Patent number: 6861593Abstract: A weighing sensor including a base (1) fixed to a housing, a load sensor (2) connected to the base in a displaceable manner via two arms (3, 4), a lever system (8 . . . 11) having at least one lever and transmitting the load acting on the load sensor to a transducer (12, 13), and a built-in calibration weight (40) which may be lowered onto a support region (30/38) for checking and/or calibrating the sensitivity of the weighing sensor. The support region is guided in a parallel manner by two additional arms (21, 22) and is connected to a lever (9/39) of the lever system (8 . . . 11) via a coupling element (26). Relatively large loads on the weighing sensor may be simulated with relatively small calibration weights, without the need for complicated lifting devices. The two additional arms (21, 22) are connected on the one hand to the support region (30/38) and on the other hand to the load sensor (2) and are located on the side of the load sensor (2) opposite from the lever system (8 . . . 11).Type: GrantFiled: May 5, 2003Date of Patent: March 1, 2005Assignee: Sartorius AktiengesellschaftInventors: Otto Kuhlmann, Thorsten Capelle, Peter Fleischer, Friedrich Helmsen, Detlev Erben, Rudolf Mueller
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Patent number: 6851296Abstract: A measurement apparatus and a method for measuring a seat mat for a vehicle seat which serve to perform a function test or a recording of readings by way of a negative pressure that is generated in the seat mat. The negative pressure is established by way of a pressure difference between the negative pressure and the external atmospheric pressure. The method is thus independent of the external atmospheric pressure. The controller that establishes the pressure difference is embodied either electronically or mechanically.Type: GrantFiled: June 23, 2001Date of Patent: February 8, 2005Assignee: Robert Bosch GmbHInventors: Dieter Seifert, Rene Wolf, Hermann Maier, Ralf Henne
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Patent number: 6838624Abstract: An electronic weighing scale includes a body for use on a horizontal surface for a weighing operation, a display on the body for displaying a measured weight, and an electronic weighing circuit in the body for measuring the weight of a person standing on the body. The weighing circuit includes a zero-reset circuit for resetting the measurement to zero prior to a weighing operation. The body includes a zero-reset member incorporating an electrical switch operable by the zero-reset member to trigger the zero-reset circuit. The zero-reset member engages the surface, when the body is placed on the surface, for operating the switch to trigger the zero-reset circuit.Type: GrantFiled: August 22, 2002Date of Patent: January 4, 2005Assignee: IDT Technology LimitedInventor: Raymond Chan
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Patent number: 6823959Abstract: A vehicle occupant classification system categorizes vehicle occupants into various classes such as adult, child, infant, etc. to provide variable control for a vehicle restraint system such as an airbag. The classification system utilizes sensors that are installed in various locations in the vehicle. The sensors are used to generate a three-dimensional profile for the vehicle occupant. Various factors can affect the accuracy of this three-dimensional profile. Fuzzy logic is used to reduce some of the inaccuracies by providing multiple decision levels for various stages of the classification. Inaccuracies are also caused by sensors shifting within the system from their original position. This condition creates offset and the system evaluates this offset and generates a correction factor to provide a more accurate three-dimensional profile.Type: GrantFiled: December 17, 2002Date of Patent: November 30, 2004Assignee: Siemens AGInventors: Gerd Winkler, Andreas Knueppel, Gerald Schicker
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Patent number: 6818841Abstract: Disclosed is a weighing system that is capable of continually sensing load against a conveyor and a calibration system for the weighing system that is capable of applying a reference load to the weighing system without interrupting the ability of the weighing system to sense load against the conveyor.Type: GrantFiled: February 14, 2002Date of Patent: November 16, 2004Inventor: Ralph R. McDonald
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Patent number: 6801866Abstract: A method for minimizing error in weight-measuring devices includes successively placing one or more standard test loads on the weighing device at a plurality of distinct testing positions located in about a peripheral of two-thirds of a weight-receiving surface of the weighing device, the loads being measured by the weighing device at discrete instances such that the testing positions are utilized individually to measure a selected load, determining the weight error displayed by the weighing device at each of the testing positions, summing the distinct measured weight errors into a summed error, and comparing such a summed error to a desired tolerance level, such that weighing devices exhibiting summed errors of excess of the tolerance level may be identified as being in need of corrective measures, including calibration.Type: GrantFiled: June 15, 2001Date of Patent: October 5, 2004Inventor: John C. Yarian
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Patent number: 6770823Abstract: A system for check weighing the content of a blister strip which includes a guide adapted to receive a blister strip comprised of at least one blister, a punch aligned with the guide for receiving the at least one blister, an actuator engaged with the punch for driving the punch toward the blister strip, whereby the blister is punched from the blister strip, and a balance adapted to receive the punched blister for weighing the punched blister and generating a weight signal after subtracting a predetermined value representing the weight of an empty blister. An alternative method of determining the content of a blister strip comprises reflecting a beam of energy off of a blister strip and determining the height of the blister from the reflected energy. The measured height is compared to a predetermined height to derive the amount of powder contained therein.Type: GrantFiled: August 13, 2002Date of Patent: August 3, 2004Assignee: Smithkline Beecham CorporationInventors: Charles Amick Buckner, III, Milton David Bynum, David Brian Moody, Michael Richard Strong, Thomas Scott Wilson
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Patent number: 6759604Abstract: A seat load measuring system for use in a vehicle occupant protection device for a vehicle seat has a zero point adjusting capability. The seat load measuring system comprises four weight sensor assemblies; a hub assembly for collecting the weight sensor outputs and providing an output determined by the weight sensor outputs; and means for communicating a user's desire for a zero point adjustment to each weight sensor assembly. Each weight sensor assembly includes a zero point adjusting section, which receives an output from the communication means for executing a zero point adjusting operation. If a zero point of a weight sensor assembly is not within a predetermined range, the zero point adjusting section may providing an alert. A zero point adjusting command may be entered by a command input device and passed to the zero point adjusting section. Alternatively, the zero point adjustment may be initiated through a momentary switch provided in the hub assembly.Type: GrantFiled: May 22, 2002Date of Patent: July 6, 2004Assignee: Denso CorporationInventors: Shoichi Ishida, Tadashi Ozaki
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Patent number: 6756547Abstract: The present invention provides a method for lifting and lowering equipment. In a preferred embodiment, the equipment is lifted by attaching a plurality of equipment adapters to the equipment, attaching a jack assembly to each of the plurality of equipment adapters, lifting the equipment by simultaneously raising the jack assemblies, moving the transport under the equipment and lowering the equipment onto the transport. The inventive method may be modified to include an additional process of weighing the equipment before lowering the equipment by measuring the amount of force required to hold the equipment in an elevated position. To practice the inventive method, the present invention also provides an apparatus that includes a plurality of equipment adapters and a plurality of jack assemblies, wherein each of the plurality of jack adapter assemblies is configured for removable connection to a corresponding equipment adapter.Type: GrantFiled: January 30, 2002Date of Patent: June 29, 2004Inventor: Howard Lefler
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Publication number: 20040118178Abstract: The present invention relates to a weight-drop machine for calibrating and verifying the calibration of an occupant detection system in a vehicle. The machine comprises a lift frame that is adapted to support and lift a seat pallet toward a keeper plate to cause the pallet to engage the keeper plate so that the pallet is prevented from movement. Another weight-drop machine a weight supported for movement relative to a frame, which, in turn, is supported for movement in a direction having both a horizontal component and a vertical component of movement in a single motion. Yet another weight-drop machine comprises one or more sensors that are adapted to sense the position of a vehicle seat. Still another weight-drop machine comprises a sensor for measuring displacement of the drop weight. A towel bar lift may be provided for lifting a towel bar for operating a manual seat lock mechanism.Type: ApplicationFiled: December 18, 2002Publication date: June 24, 2004Inventors: Mark Marentic, John Sapielak, Roland Monk, Derek Thomas, Gary Rock, Glenn Kremer, Don Hamilton, Greg Krom, Matt Debusk, Troy Deuchler, John Nathan
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Publication number: 20040050594Abstract: An apparatus and technique that extend the useful weighing range of a weight scale is provided. A preferred embodiment comprises a screw and a moveable weight. A head of the screw fits into a notch on the weight scale and the location moveable weight is varied in relation to the screw head by driving the screw into or away from the center of the moveable weight via a tapped receiver of the moveable weight. In a second embodiment, a supplemental weight has a base and a movable weight that are associated and positionally adjustable along at least one linear axis. In a preferred embodiment, a threaded screw length is used to adjust the relative positions of the base and the movable weight. The supplemental weight is removably coupled with the weight scale and calibrated into an operating state, wherefrom the weighing range of the scale may be extended.Type: ApplicationFiled: September 12, 2002Publication date: March 18, 2004Inventor: Ted A. Tobey
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Publication number: 20040050593Abstract: The invention comprises a balance (1) with at least one digital weighing cell (2, 3, 4, 5) and an evaluation unit connected to the balance. The digital weighing cell (2, 3, 4, 5) is provided with memory elements (12, 13, 14, 15) in which the weighing cell parameters and the system parameters of the balance (1) or code numbers formed thereof are stored in an unmanipulatable manner by known methods such as audit trail counters, for example. The evaluation device is embodied as a program controlled data processing device (7) and is directly connected to the balance (1) or weighing cells (2, 3, 4, 5) provided therein. The measured data of the digital weighing cells (2, 3, 4, 5) which are calibratable and/or not calibratable are read out by the program-controlled data processing device (7) during each weighing process (7), in addition to the stored weighing cell parameters and system parameters of the balance (1) or the codes formed thereof.Type: ApplicationFiled: February 20, 2003Publication date: March 18, 2004Applicant: Hotting Baldwin Messtechnik GMBHInventors: Helmut Baeumel, Reiner Schrod
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Publication number: 20040031310Abstract: A weight measuring apparatus allowing a weight measurement value to be completely proportional to an amount of distortion over all measurement range. A linear calibration means 3 for performing correction so that a relation of the weight to the amount of distortion may become linear over all measurement range is provided. Therefore, even if the input-output characteristic of a strain gauge 1 or that of an amplifier 2 is not held linear, the resultant weight measurement value becomes linear over all measurement range, thus enabling the precise measuring of weight.Type: ApplicationFiled: April 29, 2003Publication date: February 19, 2004Inventor: Shuntaro Shimizu
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Patent number: 6693244Abstract: An integrated element scale is provided that can replace an existing support structure within a piece of equipment to achieve a piece of equipment with the integrated scale. The integrated element scale may contain one or more load cells and be configured to replace a standard component used in the assembly of certain types of equipment. The integrated element may include a mechanism to align the load portion and support portion of the element with the load cell or load cells in between them. The integrated element may further include a mechanism for protecting the load cells from damage due to overload or under load as well as side impacts. When higher accuracy is required, the integrated element further may include a mechanism for decoupling the loads within each element from other load cells within the same element or other elements so that horizontal loading between the deflecting load cells does not occur.Type: GrantFiled: April 17, 2002Date of Patent: February 17, 2004Assignee: Weigh-Tronix, Inc.Inventors: Thomas Johnson, David L. Boren
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Patent number: 6687638Abstract: An inspection equipment integrity system uses independent sensors and processing capabilities to determine the integrity of inspection equipment. The sensors detect the presence of packages at predetermined positions. The system further receives input from the inspection equipment regarding decisions made during inspection of the packages. The system uses the position information and inputs from the inspection equipment to determine the integrity of the inspection equipment. A further sensor determines the integrity of inspection equipment used to redirect packages based on decisions made by the inspection equipment.Type: GrantFiled: August 10, 2001Date of Patent: February 3, 2004Assignee: General Hills, Inc.Inventors: Michael G. Poterek, Mike E. Geddis, Martin Lymn, Mike Teasdale
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Patent number: 6653576Abstract: A sensor unit having a sensor and an adjustment unit is welded to a vehicle. After the mounting of the sensor unit, a receiver unit externally receives modification information for modifying the load signal adjustment. Thereby, the load signal outputted from the sensor is adjusted by the adjustment unit responsive to the modification information to be externally outputted. Thus, alter the mounting of the sensor unit, the receiver unit receives the modification information, and the adjustment unit adjusts the load signal supplied from the sensor based on the modification information. This allows the sensor unit to unitarily have the sensor and the adjustment unit. Thereby, the adjustment unit can be modified by the modification information externally supplied. Accordingly, the sensor unit with the adjustment unit can be applied to various types of vehicles.Type: GrantFiled: May 17, 2001Date of Patent: November 25, 2003Assignee: Yazaki CorporationInventors: Katsuji Suzuki, Toshihiko Ikoma
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Publication number: 20030196495Abstract: Method and apparatus for identifying and categorizing the weight and characteristics of the occupant currently occupying a vehicle seat. The method for identifying and categorizing the occupant or object involves measuring the deflection of the upper surface of the seat cushion at one or more points due to compression of the cushion produced by the weight distribution of the occupant. The system contains multiple sensor/emitter pairs for detecting the deflection. The system also includes a sensor to measure ambient temperature, preferably for temperature compensation due to the effects extreme temperatures may have on the compression properties of the seat cushion material and sensor/emitter pairs. A system processor interprets the data acquired by the sensors, and utilizes an algorithm and training tables to output a control signal indicative of the categorization of the occupant or object.Type: ApplicationFiled: April 16, 2003Publication date: October 23, 2003Inventors: DARREL SAUNDERS, LYNN JOHNER, PETR MUSILEK
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Patent number: 6629445Abstract: A method of calibrating sensitivities of a plurality of pressure sensing cells are disposed at a passenger seat to detect presence of a vehicle passenger. The method is comprised of the following steps: pressing a presser against the passenger seat; detecting output signal levels of the sensing cells; and adjusting sensitivity of the pressure sensing cells according to the output signal levels while the presser is pressed against the seat.Type: GrantFiled: July 5, 2001Date of Patent: October 7, 2003Assignee: Denso CorporationInventors: Tomoharu Yamanaka, Yuzo Imoto, Takehiro Sengoku, Kazuo Masaki, Katsushi Mizushima
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Patent number: 6621015Abstract: An electronic balance is provided in which influences due to a four-corner error can be eliminated from an indicated value of weighing without strictly conducting mechanical adjustment, so that correct indication can be always performed. As means for attaining the object, a dish support 2 interposed between a weighing dish 3 and a load detecting mechanism 1 is configured by four cantilever beams 2a to 2d which respectively elongate in four directions, the weighing dish 3 is supported by the vicinities of tip ends of the cantilever beams 2a to 2d, and deflection amount detecting means 5a to 5d for respectively detecting deflection amounts of the cantilever beams 2a to 2d are disposed. The position of the center of gravity of a load on the weighing dish 3 is calculated by using outputs of the deflection amount detecting means 5a to 5d.Type: GrantFiled: October 30, 2001Date of Patent: September 16, 2003Assignee: Shimazu CorporationInventors: Tetsuro Kusumoto, Nobuyuki Yoshikuwa
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Patent number: 6598010Abstract: The present invention is a method for achieving accurate measurement of true weight of a load by use of a weight measuring device which has the ability to be tilted by the operator about an axis, such as, but not limited to, a scale which is built into a forklift vehicle. The accurate measurement of true weight is achieved by tilting the load through a range of angles of inclination that includes horizontal, about an axis running transverse to the forklift truck. Load force data from the weight measuring device is sent to a processor as the load is tilted. The processor filters out “noise” and uses the highest load force reading to calculate the true weight of the load. The present invention is further able to use the information obtained from the weight measuring device to determine the angle of inclination of the load at any given time.Type: GrantFiled: July 11, 2001Date of Patent: July 22, 2003Inventor: Uri Zefira
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Patent number: 6557424Abstract: A system for measuring the weight of a seat occupant is used to control airbag deployment. The system includes a seat bottom that receives a vertical seat occupant weight force. The seat is divided into four quadrants, a front right quadrant, a left front quadrant, a left rear quadrant, and a right rear quadrant. Each quadrant includes a sensor that generates a weight signal corresponding in magnitude to the seat occupant weight in the respective quadrant. Each weight signal is comprised of a vertical force component and an error component induced by braking or deceleration forces acting on the seat bottom in a non-vertical direction. The sensors are orientated within their respective quadrants such that two sensors generate a positive error reading and two sensors generate a negative error reading. When the weight signals from each quadrant are added together to determine the total seat occupant weight, the error is eliminated as the positive and negative error components cancel each other out.Type: GrantFiled: February 15, 2000Date of Patent: May 6, 2003Assignee: Siemens VDO Automotive CorporationInventor: Scott M. Morell