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| Number | Title | Issue Date |
| 7404506 | System and related methods for preventing back injury A system and related methods for preventing back injury involving backpacks, wherein a weighing feature is provided for weighing the payload of the backpack and determining whether the payload is above a predetermined weight limit, and an alarm (e.g. audio, visual a... | 07/29/2008 |
| 7364044 | Safety device against overturning crane The present invention provides a safety device against crane overturning which operates in a crawler crane comprising at least four outriggers in a frame, the safety device comprising a load detector 2 that detects a ground reaction to each of the outriggers,... | 04/29/2008 |
| 7365275 | Electromagnetic-force-balancing-type electronic balance Disclosed is an electromagnetic-force-balancing-type electronic balance having a magnetic circuit which includes a yoke 4, a first permanent magnet 1, a pole piece 3, a second permanent magnet 2 and a cover 5. A connection member | 04/29/2008 |
| 7360438 | Advanced thick film load cell A load cell apparatus and method for forming the same. A load cell apparatus is configured to include a load cell housing and a modular strain gage element that is modularly assembled into the load cell housing. The load cell housing and the modular strain gage elem... | 04/22/2008 |
| 7361851 | Weighing apparatus and system A weighing apparatus comprises a plurality of load cells and a load platform, supported by the load cells. The apparatus includes means associated with each load cell to supply a digital representation of the load on each load cell. The load cells are connected toge... | 04/22/2008 |
| 7294793 | Load cell mounted with a spring biased saddle element A load cell includes a first element, a second element and a sensor measuring force between the first and second elements along a first axis. In some embodiments, lateral and angular decoupling is provided by the provision of a convex surface between the first and s... | 11/13/2007 |
| 7250577 | Device for weighing substantially uniform weighing objects A device to weigh substantially uniform weighing objects has a plurality of weighing modules and an equal number of load carriers that have central lengthwise axes extending in the direction of the load. Each of the load carriers is connected, respectively, to one o... | 07/31/2007 |
| 7212592 | Digitally programmable gain control circuit A digitally programmable gain control circuit and method of operating the same is disclosed. The gain control circuit includes a programmable gain amplifier having an amplifier structure represented by a plurality of overlapping discrete monotonic transfer function ... | 05/01/2007 |
| 7151230 | Weighing system A system for weighing a load that uses a weighing apparatus comprising a plurality of load cells (1), a means for receiving a load supported by said load cells, a means associated with each load cell (1) to supply a digital representation of the load o... | 12/19/2006 |
| 7114368 | Apparatus and method for verifying the volume of liquid dispensed by a liquid-dispensing mechanism An apparatus for improving the procedure for quantifying the volume of liquid dispensed by a liquid-dispensing mechanism of an analytical instrument. The apparatus of this invention comprises (a) at least one weigh cup; (b) at least one standard mass; (c) at least o... | 10/03/2006 |
| 7091876 | Method for addressing the users of a bus system by means of identification flows The method is provided for addressing the participants of a bus system comprising a control unit, a bus starting from the control unit and a plurality of participants connected to the bus. In the method, each participant not addressed so far feeds an identifying cur... | 08/15/2006 |
| 7076990 | Load cell type weight measuring device 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 Whea... | 07/18/2006 |
| 7005587 | Load cell including angular and lateral decoupling A load cell includes a first element, a second element and a sensor measuring force between the first and second elements along a first axis. In some embodiments, lateral and angular decoupling is provided by the provision of a convex surface between the first and s... | 02/28/2006 |
| 6951988 | Device for weighing an object by lifting which invalidates a weight measurement reading whenever a detected shear force is too great The invention concerns a device comprising an electronic sensor (6) designed to deliver a compression signal and a shearing signal, and a comparator for comparing the shearing signal to a threshold value, so as to validate, or invalidate, the compression sign... | 10/04/2005 |
| 6924441 | Load cell apparatus A patient support including a mattress, a load cell apparatus, and a frame having an intermediate frame and a weigh frame. The load cell apparatus is positioned relative to the intermediate frame and the weigh frame. The load cell apparatus includes a load cell, a m... | 08/02/2005 |
| 6689959 | Weighing device A weighing device for the determination of weight of a fiber material is provided. The weighing device includes multiple weighing arms. Each of the weighing arms is pivotably supported on one end. Also, each of the weighing arms is supported on an opposit... | 02/10/2004 |
| 6621015 | Electronic balance 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 atta... | 09/16/2003 |
| 5945638 | Apparatus for weighing a product A weighing apparatus for weighing a flowable material being conveyed along a distribution system from a source downstream towards a user location, comprises a product carrying surface which has an upstream end and a downstream end, a first axis extending ... | 08/31/1999 |
| 5894112 | Weighing scale apparatus A low profile weighing scale for weighing and balancing aircraft and land vehicles. The electronic, strong, lightweight, economical and portable scale provides accurate and reliable results. The scale comprises: (a) a quadrilateral base having two sides a... | 04/13/1999 |
| 5805467 | Weight measuring method using a plurality of sensors A weight measuring apparatus comprising a plurality of load sensors, together with an input network, a multiplexer, a reference, an analog to digital converter, and a processor, wherein the input network includes an analog summing network and direct senso... | 09/08/1998 |
| 5724267 | Weight measuring apparatus using a plurality of sensors A weight measuring apparatus comprising a plurality of load sensors, together with an input network, a multiplexer, a reference, an analog to digital converter, and a processor, wherein the input network includes an analog summing network and direct senso... | 03/03/1998 |
| 5345042 | Elevator hitch load weighing tare compensation In an elevator hitch load weighing assembly, a load cell provides an analog load signal to a summer 12, where an analog tare compensation signal is subtracted from the load signal prior to a compensated load signal being provided to an analog-to-digital c... | 09/06/1994 |
| 5308930 | Weighing machine with weight detecting conveyor A weighing machine has a weighing conveyor with a conveyor belt supported by a load cell and uses a digital filter to eliminate high-frequency components of weight signals from the weighing conveyor. In order to improve accuracy of measurement, operating ... | 05/03/1994 |
| 5287748 | Method and apparatus for changing the sensitivity of a transducer A method of changing the sensitivity of a transducer includes applying to the transducer a cyclic excitation signal. The excitation signal has a number of recurring phases of different amplitudes. The transducer's output signal has a like number of recurr... | 02/22/1994 |
| 5174398 | Multimode postage scale A postage scale (1) and method of operation. The scale has two or more modes (M1, M2, M3) of operation. In a first mode the scale outputs the weight of an item to within a first, coarse increment. In a second mode (M2... | 12/29/1992 |
| 5069300 | Calibration system for a combination weighing apparatus A zero-point calibration system in a combination weighing apparatus which has buckets storing masses subject to selection in combination processing and including only weighing buckets, only auxiliary buckets or both of them, the system comprising: means f... | 12/03/1991 |
| 4981187 | Load cell weighing apparatus A load cell weighing apparatus comprising a load cell for generating an output voltage corresponding to load weight, an amplifier section for amplifying the output voltage of the load cell, an analog/digital converter for periodically converting the outpu... | 01/01/1991 |
| 4951763 | Checkweigher A method and apparatus for in-motion weighing is effectuated by a load cell combined with a means to filter the output thereof and apply the product to a programmable gain amplifier. The programmable gain amplifier's output is filtered and applied to a mi... | 08/28/1990 |
| 4938300 | Weighing apparatus having multi-range motion transmitting levers A weighing apparatus comprising a first self-contained weighing device (1) including a first farme (2), a first load-receiving member (5) connected by a parallel guide arrangement for movement from a normal no-load position relative to the first frame, a ... | 07/03/1990 |
| 4924955 | Electronic weighing device Electronic weighing device adapted particularly to be mounted in a personal weighing scale and comprising a capacitative collector (C1) forming a measuring condenser whose capacity varies as a function of the weight to be measured and which has for this p... | 05/15/1990 |
| 4909338 | Method and apparatus for scale calibration and weighing A scale utilizes a plurality of load cells positioned beneath a weighing platform for determining the weight of objects placed upon the platform. During a weighing operation, each load cell generates a voltage proportional to the response of said cell to ... | 03/20/1990 |
| 4872522 | Electronic weighing apparatus including guide adjusting means Electronic weighing apparatus includes an adjusting arrangement for vertically adjusting relative to the scale frame at least one of the resilient bending bearings that supports one end of a guide member of the parallelogram arrangement that guides the lo... | 10/10/1989 |
| 4871038 | Combinational weighing systems A combinational weighing system including a plurality of weighing machines each comprising a weighing hopper (20) and an associated hopper module (22) arranged to provide a measurement of the weight of the contents of the associated hopper (20); a plurali... | 10/03/1989 |
| 4858709 | Digital scale The invention relates to a digital scale, in which an analog output signal of a weighing cell is converted in an analog/digital converter into a digital signal. The digital signal is applied to a microprocessor, which compares it with a zero value, derive... | 08/22/1989 |
| 4850442 | Zero-point adjustment of weighing device A zero-point adjustment unit for a weighing device is comprised of a rough adjustment circuit, a fine adjustment circuit and a central processing unit. The central processing unit adjusts the zero-point of the weighing device by receiving a no-lead weight... | 07/25/1989 |
| 4842085 | Multiple range electronic weigh scale The present invention is a multiple range electronic weigh scale which employs a single load cell and selectable amplifier gain. A more sensitive range would employ a higher gain amplification than a less sensitive range. In accordance with the preferred ... | 06/27/1989 |
| 4798251 | Electronic balance with scale on top and corner-load adjustment The invention discloses an electronic balance with a scale on top, a balance scale, a balance scale carrier, two identical guide rods (7,8) which connect in an articulated manner the balance scale carrier and the balance scale in the form of a parallel gu... | 01/17/1989 |
| 4792003 | Span adjusting device for weigher An automatic span adjusting device incorporated in a weigher for correcting deviation of the weight signal provided by the weigher from the true weight of product being weighed by the weigher, the device including a memory storing weight values of a plura... | 12/20/1988 |
| 4778016 | Weighing method by multirange load cell balance A load is applied simultaneously to a plurality of load cells having mutually different optimal weighing ranges and connected to each other, so that load data are obtained individually from such load cells. The data of the weighed load are processed for p... | 10/18/1988 |
| 4732228 | Precision balance Precision balance including a weighing dish supported by a support member which is guided by means of guide arms in such a way that weighing dish performs essentially a vertical movement during weighing. The spacing between the ends of the guide arms is e... | 03/22/1988 |
