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| Number | Title | Issue Date |
| 7939770 | Load measuring mechanism for an electronic balance having a double lever structure provided with a first lever member and a second lever member connected to the first lever member An integral type second lever constituting member (A) is mounted on a constitution, in which a first lever member (5) is assembled in a Roberval's mechanism composed of a stationary block (1), a floating frame (2) and upper and lower sub-levers ... | 05/10/2011 |
| 7429705 | Parallel-guiding mechanism for compact weighing system An exemplary weighing module is disclosed which has a load receiver and a weighing cell that are connected to each other by a force-transmitting rod, wherein the weighing module is arranged inside a design space whose dimensions in a plane extending orthogonal to th... | 09/30/2008 |
| 7411138 | Weighing system having an angle lever with a long vertical lever arm A weighing system that operates according to the principle of electromagnetic force compensation, having two connecting rods (2, 3) which are fashioned as a parallel guide and connect a load receiver (4) to a base area (1) fixed to the housing, ... | 08/12/2008 |
| 7365276 | Force-transmitting device In a force-transmitting device of a force-measuring cell with a parallel-guiding mechanism in which a stationary parallelogram leg and a movably guided parallelogram leg are connected to each other by parallelogram guides, at least one of the parallelogram legs has ... | 04/29/2008 |
| 7348502 | Counterbalance for a platform balance A platform balance includes a first frame support and a second frame support movable relative to the first frame support. At least one counter balance assembly is provided to support the static weight of the first frames support and elements connected thereto. The c... | 03/25/2008 |
| 7345249 | Force-transmitting mechanism for a balance In a force-transmitting mechanism (1, 101) with a parallel-guiding mechanism having a stationary (2) and a movable (4) parallelogram leg (2), with a lever mechanism having at least one lever (6), and with at least one coupling elem... | 03/18/2008 |
| 7339122 | Weighing module having portions arranged within the design space of another weighing module A device to weigh objects of like nature has at least a first weighing module and a second weighing module. Each weighing module includes a load receiver and a weighing cell connected to each other through a force-transmitting rod. Each weighing cell is arranged in ... | 03/04/2008 |
| 7317167 | Weighing module with precisely-positionable overload protection device A weighing module 1 has a force-transmitting linkage 13 arranged between the load-receiving portion 3 of the weighing cell 2 and the load receiver 5, with an overload protection device that precisely maintains its position being an... | 01/08/2008 |
| 7315003 | High resolution offset electronic weighing devices and methods Electronic weighing devices and method are disclosed wherein balances (particularly of the direct load type) are adapted to utilize less power thus creating less system heat and thereby enhancing weighing accuracy and range of operation. A preferred embodiment of th... | 01/01/2008 |
| 7307226 | Electronic balance having a vibration reducing mechanism Two horizontal holes are processed at the end face of a movable pillar of a load measuring cell in a block shape. A power-point spring is formed between the horizontal holes, and the internal side faces of the horizontal holes constitute the internal end faces of su... | 12/11/2007 |
| 7287898 | Dynamic mixer The invention relates to a dynamic mixer for mixing at least two paste components of different volume proportions. Said mixer comprises a housing with at least two inlet openings and at least one outlet opening, a mixer element being rotatably mounted in a mixing ch... | 10/30/2007 |
| 7285737 | Narrow weighing system arranged in narrowly spaced rows in the lateral direction A weighing system that works on the principle of electromagnetic force compensation has two guide members (12), which as a parallel guide unit connect a load support (14) to a base region (11) fixed to the housing, and at least one transmission ... | 10/23/2007 |
| 7282655 | Electronic balance having a position control mechanism An electronic balance of an electromagnetic force balancing type comprises electromagnetic force generators for applying electromagnetic forces for controlling to move a balance beam in a longitudinal direction (X axis) and a horizontal direction (Y axis) orthogonal... | 10/16/2007 |
| 7273316 | Device and method for thermogravimetrically testing the behavior of a solid material A method for thermogravimetrically testing the behavior of a solid material in the presence of a controlled gaseous atmosphere, characterized in that a plurality of samples (10) are placed in the presence of the gaseous atmosphere inside the same controlled a... | 09/25/2007 |
| 7246516 | Device for coupling thermogravimetric analyses and acoustic emission measurements The present invention relates to a device comprising a thermobalance equipped with a detector (5) for measuring acoustic signals emitted by a sample (6) hanging from the balance beam and a preamplifier (2) incorporated in the vicinity of the hea... | 07/24/2007 |
| 7227089 | Electric balance with synthetic PID control signal In electronic balance, an analog computation portion determines at least a differential control signal according to an amount of displacement of a beam. A digital computation portion determines at least an integral control signal is determined by after the amount of... | 06/05/2007 |
| 7220924 | Fastening arrangement of a force-transmitting device In a force-transmitting device of a force-measuring cell with a parallel-guiding mechanism in which a stationary parallelogram leg and a movably guided parallelogram leg are connected to each other by parallelogram guides, each of the parallelogram legs has a fasten... | 05/22/2007 |
| 7155974 | Inertia sensor unit An inertia sensor unit having a detecting element, a signal processor being constituted as an element separate from the detecting element, for at least amplifying signals output from the detecting element, and an inertia sensor mounted to a detection object for dete... | 01/02/2007 |
| 7084358 | Apparatus and method for balancing and for providing a compliant range to a test head A load, such as an electronic test head, is supported. A force sensor detects a force received from the load, the force resulting from the load being imbalanced such that a torque is created about a rotational axis of the load. A source of force provides a counter f... | 08/01/2006 |
| 7053319 | Electronic weighing apparatus utilizing surface acoustic waves using sensors operating at different frequencies, having temperature compensation, and a push oscillator A weighing apparatus includes a SAW oscillator and a “push oscillator” to force the SAW oscillator into a desired mode of operation. A SAW temperature oscillator and a thermistor are also provided. The frequency of the “push oscillator” is made immune to tem... | 05/30/2006 |
| 7037471 | Disposable paper weighing dishes A disposable paper weighing dish that is configured and arranged to hold a substance during weighing. The weighing dish includes at least one sheet of paper with at least one surface that is lubricious and substantially impermeable to finely powdered dry chemicals. ... | 05/02/2006 |
| 7012198 | Balance with a T-shaped coupling arrangement that guides the support element onto a load receiver at three points forming a triangle 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 ... | 03/14/2006 |
| 6909058 | Balance with a weighing compartment A balance (1) has a weighing compartment (4) that borders on a stationary part (8, 9) of the balance and is otherwise enclosed by at least one side wall panel (5, 6), a front wall panel (7), and a top cover panel (12). At le... | 06/21/2005 |
| 6903281 | Method and apparatus for reducing error when measuring minute quantities of weight The invention relates to an instrument and method for measuring minute quantities of weight, including a pan for holding a sample to be weighed, a chamber for forming an enclosure about the pan, and a hang-down wire coupled to the pan for suspending the pan within t... | 06/07/2005 |
| 6879897 | Method and system for achieving constant average impact deceleration independent of vehicle load A method for achieving a constant average deceleration of a vehicle is disclosed. In an exemplary embodiment, the method includes comparing an effective load mass of the vehicle to a baseline load mass. If the effective load mass differs from the baseline load mass ... | 04/12/2005 |
| 6861593 | Weighing sensor with calibration weight 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... | 03/01/2005 |
| 6787714 | Electronic balance Protruding part of a mechanism body is connected to a base frame by screws, and other protruding part is connected to an auxiliary connecting metal fittings by the screws. A machining necessary for connecting is conducted on the protruding portions, the widths of wh... | 09/07/2004 |
| 6693245 | Electronic balance which is easily assembled, maintained, downsized and improved with respect to weighing performance, and method for manufacturing the same A Roberval's mechanism and a lever are configured separately. To the Roberval's mechanism, a lever housing section is formed for inserting the lever in the longitudinal direction and enabling the lever to be located between a pair of the upper and the low... | 02/17/2004 |
| 6657138 | Electronic weighing sensor which changes the dc component of the weight signal based on the magnitude of the vibration-dependent component An electronic weighing sensor (10) having a digital signal processing unit (19), which includes at least one filter (12) with low-pass characteristic. By means of the filter (12), the direct-current component (m) is determined from the output signal of th... | 12/02/2003 |
| 6563060 | Electronic balance By using a second Roberval mechanism having beams orthogonal to beams of a first Roberval mechanism for supporting a weighing dish by a movable pillar and integrating a movable pillar of the second Roberval mechanism with a movable pillar of the first Rob... | 05/13/2003 |
| 6472618 | Electronic weighing scale using general purpose block member A weighing scale includes an integral block member having a load receiving portion for receiving a load of a scaled object; a fixing portion for fixing the integral block; and a Roberval portion having recessed portions between the load receiving portion ... | 10/29/2002 |
| 6365847 | Weight sensor In a weight sensor operating according to the principle of electromagnetic force compensation, the essential parts are fabricated from a single block of material. The weight sensor has a load receiver (10), which is connected through an upper guide (12) a... | 04/02/2002 |
| 6232567 | Arrangement for mounting a parallel-guiding device in a force measuring apparatus To counteract the adverse effects associated with mounting a parallel-guiding device on a supporting part of a balance, the attachment area (30) is located on a portion (14) of the stationary leg (12) of the parallel-guiding device. Portion 14 projects in... | 05/15/2001 |
| 6057516 | Thermogravimetric instrument A thermogravimetric instrument for measuring variations in the weight of a sample caused by temperature variations of the sample. The instrument is equipped with a stopper mechanism for protecting the pivot to facilitate replacing a balance beam. A thermo... | 05/02/2000 |
| 5886301 | Method and device for measuring weight A device and method are described for measuring the weight of objects using a pneumatically sealed bellows which contains a pair of spaced apart capacitor plates. In accordance with the invention, the pneumatic pressure within the bellows is varied to mai... | 03/23/1999 |
| 5850057 | Electromagnetically controlled load cell A weighing apparatus capable of actively weighing a load in a rapid and accurate manner is presented. The weighing device includes an electromechanical linear actuator coupled to a load cell, wherein the output of the load cell is received by a feedback c... | 12/15/1998 |
| 5652411 | Top loading load cell mass comparator A top loading load cell mass comparator having a load cell and a cantilevered beam connected between the load cell and a weight supporting platform which is self-centering to compensate for off-center loading when moving or replacing weights on the platfo... | 07/29/1997 |
| 5613419 | Load balancing arm A load balancing arm is shown and described as having improved control including a programmable control element and electronic air regulation to provide precise and controllable lifting force on a load. The disclosed load balancing arm responds to slight ... | 03/25/1997 |
| 5493078 | Electronic balance and its application to a thermal analyzer An electronic balance provided with a correcting circuit for canceling a thermal drift in the output of a photoreceiver. The photoreceiver is composed of two photosensitive areas and the shadow of a shutter moving with the beam of the balance is cast on t... | 02/20/1996 |
| 5419204 | Force measuring instrument A force measuring instrument for determining the strength of an applied force by measuring the strength of an electromagnetic force developed so as to counterbalance the applied force, the instrument including a force coil, a displacement sensor for detec... | 05/30/1995 |
