公开(公告)号：US09780290B2

公开(公告)日：2017-10-03

申请号：US14572558

申请日：2014-12-16

Applicant: THALES ,  CEDRAT TECHNOLOGIES

Inventor： Christophe Devilliers ,  Félix Aguilar ,  Julien Ducarne ,  Francois Barillot ,  Frank Claeyssen

IPC: H01L41/09 ,  H01L41/12 ,  H02N2/02 ,  H02N2/06

CPC classification number: H01L41/0986 ,  H01L41/12 ,  H02N2/02 ,  H02N2/06

Abstract: A nanometer-scale precision actuator comprises a base, an intermediate structure, an output interface, and two linear elements producing a controllable extension in the same longitudinal direction, each between a first and a second end. A first of the two elements has a first end fixed onto the intermediate structure and a second end fixed onto the base, a second of the two elements has a first end fixed onto the intermediate structure and a second end fixed to the output interface. The base and the intermediate structure are positioned in such a manner that the controllable extension of the second element produces a displacement of the actuator in a first direction and the controllable extension of the first element produces a displacement of the actuator in a second direction, opposite to the first direction, with respect to the base.

公开(公告)号：US11501903B2

公开(公告)日：2022-11-15

申请号：US17011091

申请日：2020-09-03

Applicant: CEDRAT TECHNOLOGIES

Inventor： Frank Claeyssen ,  Gérald Aigouy ,  Kevin Benoit

IPC: H01F7/08 ,  H01F7/02 ,  H01F7/06 ,  H01F7/16

Abstract: The actuator comprises a movable armature swivelling with respect to a stator provided with flanges on which magnets are fitted and a coil fitted around one of the flanges. The magnets have an axial magnetisation in a z axis and are aligned in an x axis. The movable armature is arranged between the magnets in the x axis. The movable armature is mounted on a guide imposing swivelling around a y axis perpendicular to the x and z axes. The movable armature is separated from the magnets by air-gaps. Each magnet forms a static magnetic circuit with one end of the movable armature and one of the flanges. The coil forms a dynamic magnetic circuit with the ends of the movable armature and the flanges.

公开(公告)号：US10702889B2

公开(公告)日：2020-07-07

申请号：US15536485

申请日：2015-11-25

Applicant: CEDRAT TECHNOLOGIES

Inventor： Timothée Forissier ,  Nabil Bencheikh ,  Frank Claeyssen ,  Alexandre Pages

IPC: H01L41/053 ,  H01L41/09 ,  B06B1/06 ,  B06B3/00 ,  G10K15/04 ,  B08B3/12 ,  G10K11/24 ,  H04R17/10

Abstract: The ultrasonic tubular transducer is activated at the centre thereof by two symmetrical electromechanical converters. The vibration generated by the two electromechanical converters is converted and then transmitted to the tube via a coupler. The ultrasonic transducer can be vibrationally isolated from the interfaces thereof by caps equally suitable for connecting the transducer to a stationary frame, a free end or another similar ultrasonic transducer. A device for pre-stressing electromechanical converters has a hole bored at the centre thereof in order to allow cables from the transducer as well as from adjacent transducers to pass therethrough.