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| Number | Title | Issue Date |
| 8082806 | Passive detection systems and methods Systems and methods for passively determining when a threshold force has been exceeded. An example apparatus includes a housing and a substrate that is attached at one end to an interior portion of the housing. The substrate includes at least one conductive trace, e... | 12/27/2011 |
| 7938027 | Methods and apparatus to determine belt condition in exercise equipment Systems, methods and machine readable media related to determining a condition of an exercise machine belt are disclosed. An example system includes a sensor to detect an event related to the exercise machine belt. The example system also includes a counter to selec... | 05/10/2011 |
| 7814804 | Methods and apparatus to determine belt condition in exercise equipment Systems, methods and machine readable media related to determining a condition of an exercise machine belt are disclosed. An example system includes a sensor to detect an event related to the exercise machine belt. The example system also includes a counter to selec... | 10/19/2010 |
| 7730794 | Method for classifying passengers A method for classifying passengers comprises the steps of providing a plurality of load sensors disposed in a passenger seat of an automobile for measuring a load applied to the passenger seat; obtaining a sum by summing respective values obtained by multiplying re... | 06/08/2010 |
| 7565845 | Index torque measurement system and method An index torque measurement system is provided. The system includes a blocker ring and a source, of index torque. The source of index torque applies a varying amount of index torque to the blocker ring to allow smooth indexing of the blocker ring teeth with synchron... | 07/28/2009 |
| 7424996 | Wire rope pre-failure indicator and method of using same A wire rope pre-failure indicating device that can be installed at any location along a length of conventional wire rope of the character used in many industrial applications. The indicating device reliably functions to provide a pre-failure warning that the wire ro... | 09/16/2008 |
| 7344908 | Atomic force microscope cantilever including field effect transistor and method for manufacturing the same The present invention relates to an AFM (atomic force microscope) cantilever including a field effect transistor (FET) and a method for manufacturing the same; and, more particularly, to a method for manufacturing an AFM cantilever including an FET formed by a photo... | 03/18/2008 |
| 7325459 | Identifying unit for working machine and pressure apparatus A working machines includes an identifying unit. A force sensor detachably supports a working head in the identifying unit. A controller circuit is designed to identify the working head based on the load detected at the force sensor. When the working head is replace... | 02/05/2008 |
| 7316169 | Load bearing device including overload indicator Load-bearing devices, each including an overload indicator of the present invention interconnecting load bearing connectors, preferably elongated load bearing connectors are provided. In preferred embodiments, the load bearing connectors are chains, ropes, wire rope... | 01/08/2008 |
| 7302868 | Method for measuring forces acted upon tire and apparatus for measuring forces acted upon tire There is provided an apparatus for measuring forces acted upon a tire in which a radial force and a peripheral force acting to the tire, which are required for the high precision measurement of a friction coefficient on a road surface, are simply measured in a high ... | 12/04/2007 |
| 7290997 | Plant for manufacturing of tablets A plant for the manufacture of tablets, comprising a rotary tabletting machine, a control cabinet which houses a machine computer, a control desk which preferably is mobile and houses a service computer to operate functions of the tabletting machine and store data i... | 11/06/2007 |
| 7259574 | Sensor device for measuring frequency and amplitude of varying force signals A sensor device for measuring frequency and amplitude of a varying force signal is provided. The sensor device comprises a sensing element defined by a plurality of even numbered planar segments symmetrically disposed about a central axis, a protective housing for h... | 08/21/2007 |
| 7104139 | System and method for load sensing using piezoelectric effect System and method for measuring static load by using a piezoelectric load sensor with a feedback technique to compensate for the signal loss due to charge leakage, and therefore ensures measurement accuracy. The system is integrated with other structure, objects and... | 09/12/2006 |
| 7047826 | Force sensors A force sensor for measuring force and/or torque about a single axis or multiple axes is rugged, inexpensive and can be fabricated over a wide range of sizes. The force sensor includes first and second members that are coupled to each other by an elastomeric flexure... | 05/23/2006 |
| 7032466 | Load bearing device including overboard indicator A load-bearing device including an overload indicator and a wire form overload indicator are provided for interconnection of load bearing connectors, preferably elongated load bearing connectors, for bearing a load. In preferred embodiments, the load bearing connect... | 04/25/2006 |
| 6997061 | Non-contact technique to monitor surface stress A non-contact method for evaluating stress in a substrate. An impurity is non-uniformly introduced into at least one region of a crystalline substrate. The crystalline substrate is subjected to physical stress. Fluorescence producing energy is directed at the crysta... | 02/14/2006 |
| 6948551 | Method for leakage control and localization of leakages in the internal faces of heat exchangers A method for leakage control and localization of leakages in a plate heat exchanger includes supplying a solution containing a fluorescent colorant to one of either a primary passageway or a secondary passageway of the heat exchanger, supplying a clear liquid to the... | 09/27/2005 |
| 6868746 | Method and apparatus for force sensors The present invention relates to the design and use of multi-axis force sensors for applications such as human-robot interaction. A compliant and easily constructed flexure element for use in controlling the range of motion of a force sensor in response to applied f... | 03/22/2005 |
| 6851167 | Method for installing blind threaded inserts A spin-pull blind insert tool utilizes a control system that generates a stop signal based on the relationship between the force values and the motion values derived from the action of the tool mandrel. The improved control system utilizes the shape of the force-def... | 02/08/2005 |
| 6840119 | Seat weight measuring apparatus To provide a seat weight measuring apparatus having advantages such as reduced production cost and assembling cost. The seat weight measuring apparatus comprises a seat frame for supporting the seat and a load sensor attached on the seat frame. The seat frame is pro... | 01/11/2005 |
| 6829943 | Vehicle weight observation system The invention relates to a weight monitoring system for a motor vehicle (1) which can, if appropriate, be connected to a trailer (2). The system uses weight sensors to determine the weights (F1, F2) acting on the axles of the moto... | 12/14/2004 |
| 6354159 | Overload protector for a force-measuring device, particularly for a balance To protect a force-measuring device from being damaged by an overload, the load receiver (27) has a first part (56) that receives the force to be measured and a second part (57) that transfers the force to a measuring transducer. The two parts, together w... | 03/12/2002 |
| 6178385 | Method and apparatus for checking the wrapping state of a roll A method of and apparatus for checking a wrapping state of a wrapped roll having end face covers by detecting the force required to press-fit a bushing into a cylindrical core tube and comparing the detected force with a threshold value which is based on ... | 01/23/2001 |
| 6112837 | Manually operated, motor assisted wheelchair A wheelchair having an electric motor power assist controlled by a sensor that senses the manual force applied by a rider to the hand rim. An arrangement is provided for facilitating adjustment of the sensor so as to permit accurate adjustment without req... | 09/05/2000 |
| 5791350 | Device and method for measuring force systems A device and method for measuring force systems is provided. The device measures and displays one or more components of a force system generated by medical or dental appliances or body tissues. The invention provides a probe or attachment device for engag... | 08/11/1998 |
| 5771000 | Method of releasing a stuck air value and sticking release apparatus The present invention provides a method of releasing a stuck air valve and also a sticking release apparatus that detects sticking of the air valve from a discrepancy in the waveform of an excitation current of a DC solenoid, then uses that current to rel... | 06/23/1998 |
| 5479528 | Intelligent work surfaces Methods and apparatus for implementing intelligent work surfaces are provided. Work surfaces, such as desktops and floors, are covered with a tactile sensing array to provide tactile data to a processor. Regions on the sensing arrays may be defined to inc... | 12/26/1995 |
| 5307692 | Workstation at a packaging machine A workstation at a packaging machine with a tool having an upper part (2) and a lower part (3) whereby at least one of said parts (3) is driven with a stroke-type movement and a compressive force is exerted via said tool onto a workpiece (4) in the workin... | 05/03/1994 |
| 5291793 | Dynamometer link A dynamometer link comprises a first transmission member adapted to slide axially relative to a second transmission member with spring means disposed between the first and second transmission members. Relative displacement of the two members is amplified ... | 03/08/1994 |
| 5259252 | Apparatus for measuring forces on a fishing rod Apparatus for detecting and measuring forces on a fishing rod due to pull on a fishing line associated with the rod or to a weight hanging on the rod, includes a transducer responsive to the deflection of the fishing rod to provide an output indicative of... | 11/09/1993 |
| 5119311 | Monitor and control assembly for use with a can end press A control assembly for use in controlling the operation of a can end press of the type having a plurality of operating stations for performing different work operations on a can end passing through the press, each operating station including a fixed stati... | 06/02/1992 |
| 5088333 | System for testing elastic components and methods of using same A system for rapid, easy testing of elastic components under compression or tension is disclosed. The system comprises a force measurement apparatus having a device which applies either a compression or tension force to the elastic component. The device m... | 02/18/1992 |
| 5027651 | Non-reversing load detector for a reciprocating element The detector has a pair of matched strain gauges bonded to a piston rod, one gauge being fixed parallel with the axis of reciprocation and one fixed transverse thereto. The former gauge is the active one, and the other is a dummy. Circuitry is coupled to ... | 07/02/1991 |
| 4989462 | Impact sensor A housing, simulating the configuration of a container such as a glass bottle, includes an internal chamber for supporting a center post having an axial bore for receiving a biaxial accelerometer electrically connected to circuitry for detecting and recor... | 02/05/1991 |
| 4979400 | Force and elapsed time recording assembly A safety belt assembly of the present invention measures the amount of force exerted on the assembly and also the point in time when a force was exerted on the assembly. The assembly includes a first and second member associated with one another, mechanis... | 12/25/1990 |
| 4979401 | Apparatus and method of detecting abnormal load of pressurizing apparatus An apparatus and a method for detecting an abnormal load for a pressurizing apparatus is disclosed, in which a load change of the work is detected by use of an effective power detector or a mechanical strain detector, and values obtained by sampling at a ... | 12/25/1990 |
| 4939665 | Monitor and control assembly for use with a can end press A control assembly for use in controlling the operation of a can end press of the type having a plurality of operating stations for performing different work operations on a can end passing through the press, each operating station including a fixed stati... | 07/03/1990 |
| 4932264 | Microballoon tagged materials A technique for impregnating a fluid so that the impregnated fluid retains information about the highest pressure that has ever been exerted on it. This technique is particularly useful where normal pressure measurement methods are not practical.... | 06/12/1990 |
| 4928764 | Wireline tool cable head overload apparatus A logging tool cable head for supporting the sonde on a cable is disclosed. It has an upper end which affixes to the cable and a lower end affixed to the sonde. The lower end supports an inwardly directed electrical grounding contact. The upper end suppor... | 05/29/1990 |
| 4922762 | Tensioning gauge for saw blades Methods and associated apparatus for adjusting the tension in a bowable member using a gauge having an indicator activated upon the gauge being pressed against a resistance having a threshold force. The gauge includes calibrating apparatus for adjusting t... | 05/08/1990 |
