SENSOR DEVICE FOR POTENTIAL AND IMPEDANCE MEASUREMENTS

    公开(公告)号:US20210401317A1

    公开(公告)日:2021-12-30

    申请号:US17356903

    申请日:2021-06-24

    发明人: Olivier Chételat

    摘要: A sensor device for potential and/or impedance measurements on a body of a user, including a central electronic unit and at least a first sensor and a second sensor. Each sensor is connected to the central electronic unit by a one-wire connector. Each sensor includes a current electrode and a potential electrode destined to be in contact with a surface of the body. The master includes a master current source configured to circulate a master current in the one-wire connector, the current electrode of the at least first and second sensors and the body, when the sensors are in contact with a surface of the body. Each sensor includes a harvesting device configured to harvest energy from the circulating master current in a powering frequency band.

    REMOTELY POWERED COOPERATIVE SENSOR DEVICE

    公开(公告)号:US20210169543A1

    公开(公告)日:2021-06-10

    申请号:US17111687

    申请日:2020-12-04

    IPC分类号: A61B18/00

    摘要: A sensor for potential and/or impedance measurements on a body including at least one sensor connected to a master; the master including a power supply supplying a power signal transmitted to the at least one sensor; said at least one sensor including a first sensor fork sub-circuit configured to supply a positive current to a first circuit branch and a negative current to a second circuit branch; the at least one sensor further including a control circuit configured for controlling the positive and/or negative current in order to transmit an information signal to the master, and/or to control a first controlled signal to a first desired signal; and a second electrical connection connecting the at least one sensor to the master; the control circuit being further configured for harvesting energy from the alternating voltage supplied by the master to power the at least one sensor.

    Lightguide tamper seal
    6.
    发明授权

    公开(公告)号:US10198972B2

    公开(公告)日:2019-02-05

    申请号:US15907075

    申请日:2018-02-27

    IPC分类号: G09F3/03 B65D55/02 B65D55/06

    摘要: A tamper seal includes an optical waveguide arranged to guide a propagating light-beam along a propagation direction. First and second portions of the tamper seal are configured to be arranged on first and second parts, respectively, which are movable relative to each other. The first portion has an input coupler arranged to couple incident light into the optical waveguide, and the second portion has at least one output coupler arranged to couple out of the optical waveguide at least partially light guided in the optical waveguide. The input coupler, the optical waveguide, and the output coupler are configured to transmit light from the input coupler to the output coupler. The waveguide is configured to be disruptable and includes a layer having a distinctive appearance that is changed in response to an at least partial disruption of said optical waveguide.

    SHOCK-ABSORBER DEVICE, IN PARTICULAR FOR A MICROMECHANICAL CLOCKWORK COMPONENT
    9.
    发明申请
    SHOCK-ABSORBER DEVICE, IN PARTICULAR FOR A MICROMECHANICAL CLOCKWORK COMPONENT 审中-公开
    特别是微机电钟组件的防震装置

    公开(公告)号:US20160291548A1

    公开(公告)日:2016-10-06

    申请号:US15088510

    申请日:2016-04-01

    摘要: A shock-absorber and/or vibration-absorber device is proposed, comprising at least one flexible element able to deform under the effect of a stress; said device being remarkable in that it includes at least one so-called dissipative layer made from a material having a shear modulus lower than the shear modulus of the flexible element, a shock-absorbing factor greater than the shock-absorbing factor of said flexible element, and at least partially secured to said flexible element such that a flexion of the flexible element, under the effect of a stress, provides shearing of the dissipative layer making it possible to dissipate at least part of the energy from said stress. A method for manufacturing said shock-absorber device is also disclosed.

    摘要翻译: 提出了一种减震器和/或减振装置,其包括能够在应力作用下变形的至少一个柔性元件; 所述装置是显着的,因为它包括由具有低于柔性元件的剪切模量的剪切模量的材料制成的至少一个所谓的耗散层,大于所述柔性元件的减震因子的减震因子 并且至少部分地固定到所述柔性元件,使得在应力作用下,柔性元件的屈曲提供了耗散层的剪切,使得可以从所述应力消散至少一部分能量。 还公开了一种用于制造所述减震器的方法。

    Micro-machined vapor cell
    10.
    发明授权
    Micro-machined vapor cell 有权
    微加工蒸汽池

    公开(公告)号:US09461659B2

    公开(公告)日:2016-10-04

    申请号:US14604581

    申请日:2015-01-23

    IPC分类号: H03L7/26 G04F5/14

    CPC分类号: H03L7/26 G04F5/14 G04F5/145

    摘要: The invention concerns a micro-machined vapor cell comprising a central silicon element forming a cavity containing vapor cell reactants such as alkali metal or alkali metal azide, buffer gas(es), and/or anti relaxation coating(s); a first and a second glass caps sealing the cavity; and a solenoid arranged to provide a homogeneous magnetic field to said vapor cell. The solenoid is coiled directly on the central silicon element of the vapor cell. This invention is an improvement for the highly miniaturized atomic clocks developments.

    摘要翻译: 本发明涉及一种微加工蒸汽池,包括形成包含蒸气细胞反应物如碱金属或碱金属叠氮化物,缓冲气体和/或抗松弛涂层的空腔的中心硅元件; 密封空腔的第一和第二玻璃帽; 以及螺线管,其布置成向所述蒸气室提供均匀的磁场。 螺线管直接卷绕在蒸气室的中心硅元件上。 本发明是高度小型化的原子钟开发的改进。