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1. 发明申请

US20190046273A1 TRACKING A CYLINDRICAL OPENING 审中-公开
公开(公告)号：US20190046273A1
公开(公告)日：2019-02-14
申请号：US16047112
申请日：2018-07-27
申请人： Northern Digital Inc.
发明人： Nikolai Mikuszeit , Christian Schilling , Olaf Zerres , Georg Brunner , Stefan R. Kirsch , Westley D. Ashe , Mark Robert Schneider , Vladimir F. Kogan
IPC分类号： A61B34/20 , G01D5/20 , A61B17/72 , A61L31/02
CPC分类号： A61B34/20 , A61B17/1707 , A61B17/1725 , A61B17/72 , A61B2017/00004 , A61B2017/00876 , A61B2034/2051 , A61B2090/3954 , A61B2090/3958 , A61L31/028 , G01D5/202 , G01D5/2046
摘要： A system comprising: a sensor configured to be introduced into a clearance hole of a surgical implant, wherein the sensor is configured to be introduced in proximity to a generated magnetic field and cause distortion of the magnetic field; and one or more field measuring coils configured to: measure a characteristic of the magnetic field when the sensor is in proximity to the magnetic field; and provide, to a computing device, a signal representative of the measured characteristic of the magnetic field, wherein the computing device is configured to determine one or both of a position and an orientation of the sensor and the clearance hole based on the measured characteristic of the magnetic field.

2. 发明申请

US20180221582A1 SENSOR DEVICE FOR A DRUG DELIVERY DEVICE 审中-公开
公开(公告)号：US20180221582A1
公开(公告)日：2018-08-09
申请号：US15748042
申请日：2016-07-20
申请人： Sanofi-Aventis Deutschland GMBH
发明人： Thomas Klemm , Dmitri Bogatirsky , Mihaly Gabli , Stefan Bohling
IPC分类号： A61M5/24 , A61M5/315
CPC分类号： A61M5/24 , A61M5/002 , A61M5/31553 , A61M2205/502 , A61M2205/52 , G01D5/202
摘要： A sensor device to be attached to a drug delivery device includes an array of conducting elements each forming part of a respective resonant circuit and each operable to have a signal applied to it. The drug delivery device has a first movable element supporting a conductive region, which is configured to move along a path parallel to a longitudinal axis of the drug delivery device. When the sensor device is attached to the drug delivery device, the conducting elements are arranged such that each resonant circuit is operable to output a signal indicative of the proximity of the conductive region supported on the first moveable element to the respective conducting element of each resonant circuit. The sensor device includes circuitry to receive the signals output from the resonant circuit and, based on the received signals, determines information associated with a location along the path of the first movable element.

3. 发明授权

US10036656B2 Position detecting system based on inductive sensing 有权
公开(公告)号：US10036656B2
公开(公告)日：2018-07-31
申请号：US15333033
申请日：2016-10-24
申请人： TEXAS INSTRUMENTS INCORPORATED
发明人： George Pieter Reitsma , Richard Dean Henderson , Jonathan Baldwin
IPC分类号： G01B7/14 , G01D5/20 , H03H2/00
CPC分类号： G01D5/202 , H03H2/005
摘要： A position detecting system detects and responds to the movement of a target through a sensing domain area of a plane. The movement causes the amount of the target that lies within a sensing domain area to change. A portion of the target always lies within at least one of the sensing domain areas of the plane.

4. 发明授权

US09816839B2 Stroke sensor system 有权
公开(公告)号：US09816839B2
公开(公告)日：2017-11-14
申请号：US14836319
申请日：2015-08-26
申请人： Showa Corporation
发明人： Yosuke Murakami
IPC分类号： G01D5/20 , B62J99/00
CPC分类号： G01D5/202 , B62J99/00 , B62J2099/002
摘要： A stroke sensor system includes a tubular vehicle-body-side member, a tubular vehicle-wheel-side member, and a displacement obtainer. The tubular vehicle-body-side member is disposed at a vehicle body side. The tubular vehicle-wheel-side member is coupled to the vehicle-body-side member on a vehicle wheel side and movable in an axial direction of the vehicle-body-side member relative to the vehicle-body-side member. At least one of the members is a conductor. Another one of the members includes a coil. The displacement obtainer includes a capacitor electrically coupled to the coil and constituting an LC oscillation circuit that outputs an oscillation waveform when the members move relative to each other. The displacement obtainer digitizes the oscillation waveform to obtain a reshaped waveform, divides a frequency of the reshaped waveform by a frequency division ratio to obtain a frequency-divided waveform, and uses the frequency-divided waveform to obtain a displacement by which the members move relative to each other.

5. 发明申请

US20170277134A1 DETECTOR CIRCUIT FOR AN INDUCTIVE DISPLACEMENT SENSOR, IN PARTICULAR FOR A TOUCH PLATE 审中-公开
公开(公告)号：US20170277134A1
公开(公告)日：2017-09-28
申请号：US15453240
申请日：2017-03-08
申请人： The Swatch Group Research and Development Ltd
发明人： Francois GUEISSAZ
IPC分类号： G04F10/00 , A63B71/06 , G01D5/20
CPC分类号： G04F10/00 , A63B71/0686 , G01D5/20 , G01D5/2006 , G01D5/2013 , G01D5/202
摘要： The invention relates to a circuit for detecting a variation in inductance of the magnetic circuit of an inductive displacement sensor, wherein the detector circuit comprises:a first flip flop arranged to supply a first signal comprising a voltage pulse of necessary and sufficient duration to charge the coil to a threshold current, wherein the first signal is applied to a first terminal of the coila pulse generator configured to supply a reference signal comprising a reference pulsea clock signal generator arranged to trigger the charge pulse and the reference pulse periodically and simultaneouslya second flip flop arranged to generate an output signal taking the status of the first signal on the trailing edge of the reference pulse.

6. 发明授权

US09759580B2 Position sensor 有权
公开(公告)号：US09759580B2
公开(公告)日：2017-09-12
申请号：US14837141
申请日：2015-08-27
申请人： Texas Instruments Incorporated
发明人： Joyce Mullenix
IPC分类号： G01D5/20
CPC分类号： G01D5/2006 , G01D5/202
摘要： A position sensor includes a target having an electrical conductor having an exterior boundary, a void located at least partially within the conductor, and an opening extending between the exterior boundary of the conductor and the void, wherein the opening interrupts a current path in the conductor around the void.

7. 发明授权

US09568300B2 Induction type position measuring apparatus 有权
标题翻译：感应式位置测量装置
公开(公告)号：US09568300B2
公开(公告)日：2017-02-14
申请号：US14609791
申请日：2015-01-30
申请人： MITUTOYO CORPORATION
发明人： Shozaburo Tsuji , Fujio Maeda
IPC分类号： G01B7/14 , G01B7/00 , G01D5/20 , G01B1/00 , G01D1/00
CPC分类号： G01B7/14 , G01B1/00 , G01B7/003 , G01B2210/00 , G01D1/00 , G01D5/202
摘要： An induction type position measuring apparatus includes a scale and a sensor. The scale includes a track having a plurality of control patterns provided at equal intervals along a measurement reference line to control flow of an induced current, and a first edge portion and a second edge portion located on both sides of the measurement reference line. The sensor is provided to be capable of moving relatively to the scale along the measurement reference line to detect an induced current. The scale includes regulation patterns at least between the track and the first edge portion or between the track and the second edge portion to regulate a flow of an induced current.
摘要翻译：感应式位置测量装置包括刻度尺和传感器。标尺包括具有沿着测量基准线等间隔设置的多个控制图案的轨道，以控制感应电流的流动，以及位于测量基准线两侧的第一边缘部分和第二边缘部分。传感器被设置为能够沿着测量参考线相对于刻度尺移动以检测感应电流。刻度包括至少在轨道和第一边缘部分之间或轨道和第二边缘部分之间的调节图案，以调节感应电流的流动。

8. 发明授权

US09217628B2 Detector 有权
标题翻译：探测器
公开(公告)号：US09217628B2
公开(公告)日：2015-12-22
申请号：US13631230
申请日：2012-09-28
申请人： Mark Anthony Howard , Darran Kreit
发明人： Mark Anthony Howard , Darran Kreit
IPC分类号： G01B7/14 , G01B7/00 , G01D5/20 , G01D5/22
CPC分类号： G01B7/003 , G01D5/202 , G01D5/2266
摘要： An inductive detector operable to measure displacement along a path comprises: a first inductive arrangement; a second inductive arrangement; said second inductive arrangement being spaced from said first inductive arrangement and extending along at least part of the measurement path; at least one of said inductive arrangements comprises a winding which extends along at least part of the measurement path; and said winding comprising at least four loops in electrical series; wherein adjacent loops have opposite magnetic polarity; and the pitch distance of said winding varies at least once along the measurement path.
摘要翻译：可操作以测量沿着路径的位移的感应检测器包括：第一感应布置; 第二感应布置; 所述第二感应装置与所述第一感应装置间隔开并沿着所述测量路径的至少一部分延伸; 所述感应装置中的至少一个包括沿测量路径的至少一部分延伸的绕组; 并且所述绕组包括电串联的至少四个环; 其中相邻的环具有相反的磁极性; 并且所述绕组的间距距离沿测量路径至少变化一次。

9. 发明授权

US09157768B2 Inductive sensing including inductance multiplication with series connected coils 有权
标题翻译：感应感应包括串联连接线圈的电感倍增
公开(公告)号：US09157768B2
公开(公告)日：2015-10-13
申请号：US14611947
申请日：2015-02-02
申请人： Texas Instruments Incorporated
发明人： George Pieter Reitsma , Evgeny Fomin
IPC分类号： H03B7/06 , G01B7/14 , G01D5/20
CPC分类号： G01D5/202
摘要： Inductive position sensing uses inductance multiplication with series connected sensor coils. In one embodiment, a first sensing domain area is established in a first target plane using first and second sensor coils disposed on a longitudinal axis, on opposite sides of the first target plane and connected in series, so that a series-combined inductance is a multiple of a sum of the respective first and second coil inductances. Target position within the first sensing domain area of the first target plane is detected based on the series-combined inductance of the first and second coils, which changes as the target moves within the first sensing domain area of the first target plane. Further sensitivity can be achieved by additional coils, series connected on the same longitudinal axis, each coil pair defining a sensing area on a respective target plane intermediate the coils.
摘要翻译：感应位置传感使用串联连接传感器线圈的电感倍增。在一个实施例中，使用设置在第一目标平面的相对侧上的纵向轴线上的第一和第二传感器线圈并将其串联连接，在第一目标平面中建立第一感测区域区域，使得串联组合电感为相应的第一和第二线圈电感之和的倍数。基于第一和第二线圈的串联组合电感检测第一目标平面的第一感测区域内的目标位置，该第一和第二线圈在第一目标平面的第一感测区域内随着目标移动而改变。可以通过串联连接在相同的纵轴上的附加线圈来实现进一步的灵敏度，每个线圈对限定在线圈之间的相应目标平面上的感测区域。

10. 发明授权

US09088261B2 Resonant impedance sensing based on controlled negative impedance 有权
标题翻译：基于受阻负阻抗的谐振阻抗检测
公开(公告)号：US09088261B2
公开(公告)日：2015-07-21
申请号：US14186942
申请日：2014-02-21
申请人： Texas Instruments Incorporated
发明人： George P. Reitsma
IPC分类号： H03B7/06 , H03H2/00 , G01D5/20
CPC分类号： G01D5/202 , H03H2/005
摘要： Resonant impedance sensing with a resonant sensor (such as LC) is based on generating a controlled negative impedance to maintain steady-state oscillation in response to changes in resonance state caused by interaction with a target. Resonant impedance sensing can include: (a) generating a controlled negative impedance at the sensor; (b) controlling the negative impedance based on a detected resonance state to substantially cancel the sensor resonant impedance, such that the sensor resonance state corresponds to steady-state oscillation, where the negative impedance is controlled by a negative impedance control loop that includes the sensor resonator as a loop filter; and (c) providing sensor response data based on the controlled negative impedance, such that the sensor response data represents a response of the sensor to the target. Thus, the response of the sensor to the target corresponds to the negative impedance required for steady-state oscillation.
摘要翻译：使用谐振传感器（例如LC）的谐振阻抗感测基于产生受控的负阻抗以响应于与目标的相互作用引起的共振状态的变化来维持稳态振荡。谐振阻抗感测可以包括：（a）在传感器处产生受控的负阻抗; （b）基于检测到的谐振状态来控制负阻抗以基本上消除传感器谐振阻抗，使得传感器谐振状态对应于稳态振荡，其中负阻抗由包括传感器的负阻抗控制回路控制谐振器作为环路滤波器; 和（c）基于受控负阻抗提供传感器响应数据，使得传感器响应数据表示传感器对目标的响应。因此，传感器对目标的响应对应于稳态振荡所需的负阻抗。

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