Patent application number | Description | Published |
20090014189 | APPARATUS AND METHODS FOR LAND PREPARATION AND CLEARING - Embodiments of the present apparatus comprise a land preparation apparatus that includes a rotatable drum, a plurality of tool holders arranged on the drum, wherein each tool holder comprises a first connection interface, a plurality of land preparation tools, wherein each land preparation tool is configured to connect with a tool holder and wherein each land preparation tool comprises a second connection interface, a plurality of removable connectors, wherein the connectors comprise a material different from that of the tool holders and the land preparation tools, wherein each connector is removable from the tool and the tool holder, and wherein each connector is configured to mate with a first connection interface of a tool holder and with a second connection interface of a land preparation tool. The apparatus further includes a land preparation vehicle comprising an attachment connection device configured to mate with the rotatable drum, wherein the vehicle is configured to drive the rotatable drum. | 01-15-2009 |
20110100658 | APPARATUS AND METHOD FOR LAND CLEARING AND PREPARATION - Embodiments of a land preparation apparatus comprise a rotatable drum and a plurality of tool assemblies disposed on the rotatable drum, wherein each tool assembly comprises a tool holder comprising a mounting surface defining a non-planar profile, and a land preparation tool connected to the tool holder and comprising a mounting surface in flush contact with the tool holder mounting surface. The mounting surface of the land preparation tool defining a non-planar profile, which is the inverse of the non-planar profile of the tool holder mounting surface. | 05-05-2011 |
Patent application number | Description | Published |
20120092082 | ELECTROMECHANICAL RESONATOR WITH RESONANT ANCHOR - An electromechanical resonator produced on a substrate, and a method of producing thereof, including: a suspended structure produced at least partly from the substrate, configured to have a vibration imparted to it such that it resonates at least one natural resonance frequency of the suspended structure; an anchor structure to anchor the suspended structure, by at least one area of its periphery, to the remainder of the substrate, and dimensioned to resonate at the resonance frequency; a mechanism to excite the suspended structure, to cause it to vibrate at the resonance frequency; and a mechanism to detect the vibration frequency of the suspended structure. | 04-19-2012 |
20130154440 | IN-PLANE ACTUATED RESONANT DEVICE AND METHOD OF MANUFACTURING THE DEVICE - An in-plane actuated resonant device, and method of manufacturing the device. The device includes a support; a suspended beam, moving parallel to the plane of the surface of the support and anchored to the support through at least one of its ends; and a mechanism actuating the beam to enable its displacement parallel to the support. The actuation mechanism includes at least one suspended element, anchored to the support and to one lateral face of the beam. The element moves when a control voltage is applied to the element and thus causes displacement of the beam. The device may be manufactured using surface technology and is applicable particularly for resonant mass sensors. | 06-20-2013 |
20130160550 | RESONANT DEVIVE WITH PIEZORESISTIVE DETECTION AND WITH A RESONATOR CONNECTED ELASTICALLY TO THE SUPPORT OF THE DEVICE, AND METHOD FOR MANUFACTURING THE DEVICE - A resonant device with piezoresistive detection includes a resonator connected elastically to the support of the device. The device includes: a support; a suspended resonator, which moves parallel to the plane of the support; means for actuating the resonator; and means for detecting the movement, including at least one piezoresistive gauge. The resonator is anchored to the support through at least one flexurally elastic element, to enable the threshold where a non-linear displacement regime appears to be raised. The device can be manufactured by a surface technology, and applies notably to resonant mass sensors. | 06-27-2013 |
20140013848 | MEASURING SYSTEM HAVING ELECTROMECHANICAL RESONATORS, METHOD FOR MANUFACTURING SUCH A SYSTEM, AND METHOD FOR READING AT LEAST TWO ELECTROMECHANICAL RESONATORS - A measuring system including: at least two electromechanical resonators each having a resonant frequency varying around an offload resonant frequency according to a physical quantity to be measured; at least one reading device connected to inputs of the resonators and configured to supply an excitation signal on the inputs; and a memory in which is recorded, for each resonator, offload resonance information relating to the offload resonant frequency of the resonator. Each reading device is configured to determine the resonant frequency of one or more resonators selected for reading by configuring at least one element of the reading device using the offload resonance information stored for each selected resonator. | 01-16-2014 |
20140250980 | DEVICE FOR DETERMINING THE MASS OF A PARTICLE IN SUSPENSION OR IN SOLUTION IN A FLUID - Device for determining the mass of a particle in suspension or in solution in a fluid. | 09-11-2014 |
Patent application number | Description | Published |
20090139342 | DEVICE WITH DETECTION BY SUSPENDED PIEZORESISTIVE STRAIN GAUGE COMPRISING A STRAIN AMPLIFIER CELL - A device, with piezoresistive detection comprising at least:
| 06-04-2009 |
20090194309 | Microcomponent Provided with a Cavity Delimited by a Cap with Enhanced Mechanical Resistance - It consists of a microcomponent comprising a cavity ( | 08-06-2009 |
20100000323 | RESONANT-BEAM ACCELEROMETER WITH ROTATING ARTICULATED LEVER ARM - The invention relates to a micromachined accelerometer using a movable seismic mass suspended in relation to the substrate by elastic connections only allowing translation in its own plane along a sensitive axis (Oy). The mass acts on at least one elongate resonator by means of a force amplification structure associated with this resonator. The amplification structure comprises a rigid lever arm, a first end of which is connected to the seismic mass by a connection having, in the plane of the mass, a high stiffness in the direction of the sensitive axis (Oy) and a low stiffness in the perpendicular direction, and a second end is connected to an anchor point on the substrate. The second end of the lever arm is a rigid head piece surrounding the anchor point and connected to this anchor point by a rotational connection about a center of rotation. The resonator has one end fixed to the rigid head piece at a point such that the longitudinal axis of the resonator passes a distance h, small in relation to the length L of the lever arm but nonzero, from the center of rotation of the rotational connection. | 01-07-2010 |
20100219489 | NANOWIRE SENSOR DEVICE - The invention concerns a sensor device, of nanowire type, comprising at least one nanowire comprising a first conductive region ( | 09-02-2010 |
20100219893 | RESONANT DEVICE WITH IMPROVED FEATURES - The device resonant comprises a plurality of synchronized oscillators. Each oscillator comprises a resonator which comprises detection means providing detection signals representative of oscillation of the resonator to a feedback loop connected to an excitation input of the resonator. The detection signals control the conductivity of the feedback loop of the oscillator. The excitation inputs of all the resonators are connected to a common point which constitutes the output of the resonant device. A capacitive load is connected between said common point and a reference voltage. | 09-02-2010 |
20100219895 | TRANSISTOR-BASED MICROMETRIC OR NANOMETRIC RESONANT DEVICE - The resonant device comprises an electromechanical resonator of nanometric or micrometric size that comprises a mobile element and a fixed element. Detection means provide detection signals representative of movement of the mobile element with respect to the fixed element to a feedback loop that is connected to an excitation input of the resonator. The resonator is formed on the same substrate as the detection means and feedback loop. The feedback loop comprises at most first and second transistors connected in series between a reference voltage and the excitation terminal. A capacitive load is connected between the excitation terminal and reference voltage. The detection signals control the conductivity of the first transistor. | 09-02-2010 |