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| Number | Title | Issue Date |
| 7275422 | System for assembly of a rotating machine In each work process of the assembly work of a large rotating machine, an input terminal unit 101 displays measuring points necessary for measurements of radial and axial clearances between a rotor and a casing so as to provide workers with instructions. When worker... | 10/02/2007 |
| 7086297 | Seat belt tension sensor having shock isolation A seat belt tension sensor is attached to a seat belt assembly in a vehicle. The seat belt tensor sensor is secured to the vehicle by a bolt. The sensor includes a housing that is secured by the bolt. An anchor plate is mounted to the housing. The anchor plate has a... | 08/08/2006 |
| 6053050 | Signal conditioning system A current-driven signal conditioning system comprising a first terminal, a second terminal, a strain gauge, and an instrumentation amplifier is disclosed. The strain gauge is adapted to measure a deformation of a structure and to generate a resistance whi... | 04/25/2000 |
| 5381696 | Semiconductor stress sensor A semiconductor stress sensor includes a field-effect transistor for producing a drain current commensurate with a stress applied thereto. The gate of the field-effect transistor is supplied with a gate bias voltage from a gate bias voltage generator. The... | 01/17/1995 |
| 4453448 | Method and apparatus for tuning percussion instruments A tuning device for tympani that displays the pitch of each instrument's tympanum. The pitch is determined by measuring the strain in an adjustable tensioning mechanism employed in all tympani to keep proper tension on the tympanum. The pitch or tone of t... | 06/12/1984 |
| 4309907 | Load monitor with selective sensor connection A load monitor for a reciprocating machine having a selective sensor connection for monitoring the total load or the individual load on each machine support member. A sensor is mounted on each one of a pluralityof support members. The sensors are connecte... | 01/12/1982 |
| 4248095 | Method of and system for measuring physical quantities of a rotating body at many points thereof A method and system are disclosed for measuring physical quantities of a rotating body at many points thereof in a contact-free manner. The present measurement comprises electromagnetically applying control signals to the rotating body outside the body an... | 02/03/1981 |
| 4190776 | Multipoint measuring device A multipoint measuring device comprising a matrix of transducers of the measured quantity and switching elements, the columns of said matrix being formed by serially connected switching elements and each transducer having one of its terminals connected to... | 02/26/1980 |
| 4155263 | Multiplexed strain gauge bridge A strain gauge load measuring system includes a pair of strain gauges mounted on each of one or more load supports, such as the axles of a vehicle. The strain gauges connect in a DC bridge circuit. A multiplexer comprises a pair of analog switches which a... | 05/22/1979 |
| 4033183 | Horizontal- and vertical-roll force measuring system One set of four extensometers bolted onto opposite faces of two mill posts of a universal rolling mill stand are responsive to a total site strain caused by simultaneous application of horizontal- and vertical-roll forces in the mill stand. Extensometer o... | 07/05/1977 |
| 4012953 | Short term creep compensation for load cells Short term creep compensation for load cells, platform scales, bench scales and the like is achieved by introducing a thermo-couple in series with one of the output leads from the load cell and utilizing an amplified output signal derived from the origina... | 03/22/1977 |
| 4010679 | Piezoelectric transducer sensor for use in a press A piezoelectric transducer is positioned on a member of a power press subject to stress under dynamic conditions. A ball joint bracket means fixes and maintains the transducer on the member parallel with the direction of force and with the faces of the pi... | 03/08/1977 |
| 3987667 | Self-contained instrument for measuring subterranean tunnel wall deflection The deflection of a subterranean tunnel is measured with a rod-like, self-contained instrument that is adapted to be inserted into a radially extending bore of the tunnel adjacent an end of the tunnel where the tunnel is being dug. One end of the instrume... | 10/26/1976 |
| 3960010 | Analog-digital converter for a resistance bridge Apparatus which provides a digital signal which represents the unbalance in a resistance bridge. The apparatus includes a source of direct-current voltage which is applied alternately and repetitively with opposite polarity to input terminals of the bridg... | 06/01/1976 |
