EP3602677A1 - Connexion d'antenne, notamment pour transducteurs à ondes élastiques guidées en surface - Google Patents
Connexion d'antenne, notamment pour transducteurs à ondes élastiques guidées en surfaceInfo
- Publication number
- EP3602677A1 EP3602677A1 EP18720777.4A EP18720777A EP3602677A1 EP 3602677 A1 EP3602677 A1 EP 3602677A1 EP 18720777 A EP18720777 A EP 18720777A EP 3602677 A1 EP3602677 A1 EP 3602677A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrical
- antenna
- stud
- housing
- pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/002—Protection against seismic waves, thermal radiation or other disturbances, e.g. nuclear explosion; Arrangements for improving the power handling capability of an antenna
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
Definitions
- Antenna connection particularly for surface-guided elastic wave transducers
- the invention relates to the field of electrical devices for operating at a high operating ambient temperature of 300 ° C or higher.
- a preferred application of the electrical device according to the invention relates to the remote measurement of physical quantities, for example remote temperature measurement, in environments with a high ambient temperature, with the aid, in particular, of temperature sensors.
- SAW Surface acoustic wave sensor
- Such sensors are autonomous in that they communicate with the outside and receive energy from the outside via electromagnetic waves detected and transmitted by means of an antenna integrated in the sensor. .
- the antenna connection must therefore be particularly careful to, on the one hand, minimize the radio frequency losses of the sensor and, secondly electrically and mechanically withstand temperatures exceeding 300 ° C.
- the document FR2989825 describes a technique for connecting two electrical components consisting in electrically connecting the fastening lugs of the two components by a solder joint, whose melting temperature is lower than the usual temperature of use of the component and then covering the joint. welding of a waterproof and temperature resistant cement dome. When used at elevated temperature, the weld joint is likely to melt, but the liquid solder remains confined under the cement dome so that the electrical connection is maintained.
- the object of the invention is to propose an electrical device whose components are electrically connected to each other by an electrical connection means, using an alternative technique to that described above, resistant to high temperatures and adapted to the connection of passive components.
- passive components with surface elastic waves arranged on substrates of monocrystalline or composite type (films or piezoelectric layers deposited or transferred to substrates).
- the invention proposes a new electrical device capable of operating at an ambient operating temperature greater than 300 ° C., device comprising a housing, an electrical component mounted inside the housing, a transmitting antenna. / receiver positioned outside the housing and at least one electrical and mechanical connection between the electrical component and a pole of the antenna, electrical and mechanical connection comprising:
- a metal stud having a connecting surface is positioned against an outer surface of the housing, the pole of the antenna being connected to said pad,
- An electrical connection lug having a first end connected to the electrical component
- a fastening means adapted to secure the stud, the housing and a second end of the component connection tab.
- connection of the pole of the antenna to the electrical component is achieved by means of a metal pad positioned under a housing of the device, generally electrically insulating.
- the stud is a solid metal piece much more resistant to heat than a conventional solder joint.
- the metal pad is a reserve of electrical charges improving the operation of the antenna.
- the metal pad allows good heat transfer between the room whose temperature is measured and the sensor so that the accuracy of the measured temperature is high.
- the stud preferably comprises a groove opening on a release surface of the stud, groove adapted to receive a fixing end of the pole of the antenna. Thanks to the groove of the stud, the electrical and mechanical connection between the stud and the fixing end of the pole of the antenna is much easier to achieve than a weld, especially in the case of an antenna pole where the fixing end has a section whose dimensions are less than one millimeter, as will be seen better later in examples.
- the stud may also include a bearing surface arranged so that the stud forms a foot for the housing.
- the stud can thus serve as a support for the housing.
- the said bearing surface may be covered with an electrically insulating coating. This option is particularly interesting for electrical devices intended to be positioned on a metal object and for which the metal pad serves as a support, the electrically insulating coating avoiding a grounding of the antenna.
- the fixing end of the pole of the antenna can be inserted into the groove via an opening in the groove opening on one of the side faces of the stud.
- the groove is also open on the bonding surface of the stud, to facilitate the establishment of the fixing end of the pole of the antenna in the groove of the stud.
- the fixing end of the pole of the antenna can be glued to the inside of the groove, to prevent its withdrawal from the groove; a conductive adhesive loaded with metal particles may for example be used to ensure the electrical contact.
- a section of the groove may also be smaller, at least locally, at a section of the attachment end of the pole of the antenna.
- the fixing end of the pole of the antenna is thus in close contact at least locally in the groove, which on the one hand prevents withdrawal of the pole of the antenna by traction and, on the other hand, ensures a good electrical contact between the stud and the pole of the antenna.
- the fixing end of the pole the antenna may be terminated by an anchoring head of section and / or shape different from a section and / or a shape of the fixing end of the pole of the antenna.
- the anchor head makes it possible to prevent withdrawal of the pole from the antenna by pulling on the antenna.
- a section and / or a shape of the groove of the pad is adapted to the section and / or the shape of the fixing end of the antenna so that the bracket is immobilized in the groove.
- the fixing end of the antenna pole and the groove can be threaded; the fixing end of the antenna pole can in this case be screwed inside the groove to ensure its mechanical attachment to the pad and to ensure the electrical contact between the antenna pole and the pad.
- the stud and the antenna pole are made in a single piece, for example by machining a metal block.
- the groove is of course not necessary in this case, the electrical and mechanical contact between the antenna pole and the pad being guaranteed by the method of manufacture.
- the stud comprises a piercing
- the housing comprises a bore whose axis is an extension of a longitudinal axis of the boring of the stud, and
- the fixing means comprises a screw cooperating with the housing bore to electrically and mechanically connect the connection tab of the electrical component and the pad to the housing.
- the stud comprises a pin extending from the bonding surface of the stud, a free end of the pin being adapted to:
- the throat of the stud is open on a surface of the pad which is distinct from the bonding surface and distinct from the clearance surface, in which the stud comprises a bore opening into the throat. and the housing comprises a bore, an axis of which is an extension of the axis of the boring of the pad, wherein the distal portion of the antenna pole attachment end is bent to form a pin, and wherein said pion is adapted to pass through the piercing of the stud, through the piercing of the housing and open inside the housing when the fixing end of the pole of the antenna is engaged in the groove, a free end of the pin being adapted to:
- the electrical and mechanical connection between the pad and the connection lug to the electrical component is made by one or more metal elements (screw, pin, ...) perfectly resistant to high temperatures.
- an electrical device may also comprise a second metal pad having a connecting surface positioned against the outer surface of the housing, the said second pad forming a ground for the monopole antenna or being arranged to be connected to a ground external to the electrical device.
- the stud on which the monopole antenna is fixed may have a surface support covered with an insulating coating.
- the second pad may be of different dimensions from the first pad on which the pole of the antenna is fixed.
- a device may comprise a transmitting / receiving antenna with two poles (or dipole antenna) and at least two electrical and mechanical connections each connecting the electrical component to one of the poles of the antenna, each electrical and mechanical connection comprising:
- a metal stud whose connection surface is positioned against the outer surface of the housing, the associated pole of the antenna being connected to said pad, the pads of the two electrical and mechanical connections being separate
- connection tab having a first end connected to the electrical component
- a fastening means adapted to secure the stud and a second end of the connecting tab of the component to the housing.
- the pads of the two electrical and mechanical connections can be separated by a spacer of electrically insulating material.
- an inductive or capacitive impedance can be connected between the pads of the two electrical connections. These elements make it possible to adjust an input impedance of the dipole antenna.
- the inductive or capacitive impedance can be advantageously made of metallic materials capable of withstanding high temperatures, above 300 ° C (stainless steel type alloy Inconel ®, molybdenum, other alloys based on chromium or nickel or of noble metals such as gold or platinum).
- FIG. 1 is a diagrammatic view in vertical section of the essential elements of an electrical device according to the invention
- FIG. 2 is an exploded perspective view of an electrical device implemented according to the invention
- FIG. 3 is an assembled and perspective view of the device of FIG. 2,
- FIG. 4 is a perspective view of an essential element of the electrical device according to FIGS. 2, 3,
- FIGS. 4b and 4c are alternative embodiments of the element of FIG. 4, seen in section,
- FIG. 5 is a vertical sectional view of the device according to FIGS. 2, 3, and
- FIGS. 6a, 6b, 6c show other embodiments of the invention seen from the front.
- a device according to the invention is portable, movable at will and under the envisaged conditions of use, it is simply placed on a support extending in a substantially horizontal plane. Also, in the above and in the description which follows, (and unless otherwise indicated locally) geometric references and defined terms are used as follows:
- a vertical axis is a longitudinal axis of the drawing sheets
- the horizontal plane is the plane of contact of a stud with the support when the device according to the invention is in use condition, the horizontal plane is perpendicular to the vertical axis
- FIGS. 1 and 5 are views in section along a vertical plane corresponding to the plane of the drawing sheets
- the terms “below”, “above”, “side” and “face” are defined for an electrical device in use condition on the horizontal support, and that is to say when the stud or pads are placed flat in contact with the horizontal support.
- the invention relates to an electrical device adapted to operate at a high operating ambient temperature, especially a temperature greater than 300 ° C.
- FIG. 1 shows schematically the essential elements of an electrical device according to the invention, comprising a housing 20 an electrical component 10a mounted inside the housing 20, a transmitting / receiving antenna comprising a pole 30a and at least one electrical and mechanical connection between the electrical component and the pole of the antenna, electrical connection which comprises:
- a metal stud 40a having a connecting surface 44 positioned against an outer surface of the housing, the pole of the antenna being connected to said stud,
- An electrical connection lug having a first end connected to the electrical component
- Fixing means 50 adapted to mechanically secure the stud, the housing and a second end of the connecting tab of the component.
- the transmitting / receiving antenna is positioned outside the housing. More precisely, the antenna pole is connected to the stud but is in direct mechanical contact with the housing, as well as with the connection tab.
- the stud is positioned under the housing so that the bonding surface 44 of the stud corresponds to the top surface of the stud.
- the fixing means here is an electrically conductive screw 51; the second end of the component connection tab is wedged between the head 51a of the screw and the housing, which ensures both the mechanical attachment of the second end of the connection tab on the housing and the electrical connection between the screw and the bracket the component; the distal end of the screw 51 is anchored in the stud which ensures both the mechanical attachment of the stud to the housing and the electrical connection between the stud and the screw.
- Figures 2, 3, 4 and 5 show another embodiment of a device according to the invention, comprising two electrical components and a dipole antenna. More specifically in this example, the device comprises:
- connection lugs 11a, 11b Two connection lugs 11a, 11b,
- a dipole transmitting / receiving antenna comprising two poles 30a, 30b,
- the housing has a surface of the order of 1 cm * 2.5 cm and a thickness of the order of 1.2 mm and is made of an electrically insulating material.
- the housing is closed by a cover 22.
- the electrical components 10a, 10b are here surface elastic wave temperature sensors glued in the bottom of the housing 20.
- the housing is made of a monocrystalline type material on which the components are made directly according to layer deposition techniques known elsewhere.
- the component 10a is connected at several points to a first equipotential track 12a by heat-sealed electrical connection wires.
- the component 10b is connected at several points to a second equipotential track 12b by electrical connection wires.
- a connection lia lia has a first end welded to the equipotential track 12a and a second end welded to a head 51a of a screw 51.
- the connection lia lia thus provides an electrical connection between the component 10a and the screw 51 by intermediate of the equipotential track 12a.
- a connection lug 11b provides an electrical connection between the component 10b and another screw 51 via the equipotential lane 12b.
- the connection lia lugs, 11b, as well as the connection son between a component and an equipotential lane 12a, 12b are made of gold wire diameter 35 ⁇ .
- the equipotential tracks 12a, 12b make it possible to connect each of the components 10a, 10b at several points to the same potential, potential present on one of the screws 51.
- the equipotential tracks are not essential and the first ends of the connection lia lugs, 11b are in this case directly connected to the components 10a, 10b.
- Each pole 30a, 30b of the antenna has in the example shown a wired form, straight, of circular section of the order of 0.2 to 1 mm 2 approximately.
- Other forms of antenna poles are possible, depending on the conditions of use of the device, for example a wire dipole in the form of a loop, a spiral, etc. or a wire form of flat section.
- the antenna poles are made for example of alloy Inconel ® type. Such alloys have the advantage of withstanding temperatures up to 800 ° C, some of which can reach 1000 ° C depending on the nature of the alloying elements composing them.
- a pole 30a or 30b is terminated by a fastening end 31, a distal portion of which is here shaped in a hook to form an anchor head 32.
- anchor head may be envisaged, for example a ball of diameter greater than a radius of the section of the fastening end 31 of the pole, or a cylindrical portion of section greater than a section of the fastening end 31.
- An anchor head must simply have a section and / or a different shape of the section and / or the shape of the attachment end 31 of a pole of the antenna so as to prevent withdrawal of said pole of the antenna by traction.
- the anchoring of the pole can be reinforced if necessary by using an adhesive, advantageously made conductive by inclusion of conductive fine particles (silver paste for example) to improve the mechanical and electrical connections between the pole and the stud.
- the pads 40a, 40b are in the examples fig. 1-5 and have a substantially parallelepipedic shape of small thickness, of the order of 1 to 2 mm for example.
- the two pads are positioned side by side under the housing without touching, so that the two pads are electrically isolated from each other.
- the two poles of the antenna are thus electrically isolated from each other.
- the device shown in FIGS. 2-5 can be modified.
- the space between the two pads may optionally be filled by a spacer (not shown) of electrically insulating material.
- an inductive or capacitive impedance (not shown) may be connected between the pads 40a, 40b to adjust an input impedance of the dipole antenna.
- the studs can also serve as a foot for the housing and come to bear on the support.
- the bearing face of the studs ie the bottom face 45 of the studs in the example of FIG. 2-5) may be covered with an electrically insulating coating (not shown).
- the pads 40a, 40b each comprise a groove 42 opening on a release face of the stud (in this example, the release face is a side face 43 of the stud); the groove has a shape adapted to receive an attachment end 31 of a pole of the antenna.
- a section of the groove is slightly smaller, locally, than a section of the attachment end of an antenna pole; thus, the fixing end is placed in force in the groove, at least locally, which ensures a good electrical contact between the fixing end of the antenna and the associated stud.
- the attachment end may be glued into the groove 42 with an electrically conductive adhesive.
- the groove 21 has a substantially cylindrical shape, of axis substantially parallel to a top face 44 of the stud and of diameter substantially equal to the diameter of the wire fixing tab 33a, 34a of a pole of the antenna; the bottom of the groove (the distal end of the groove) is bent to receive the distal portion shaped hook of the fixing end 31 of a pole of the antenna.
- the groove 21 is also open here on the top face 44 of the stud.
- each stud 40a, 40b comprises two bores 46 of substantially vertical axis.
- the housing 20 also comprises four bores 21a, 21b, an axis of a bore 21a, 21b being an extension of the axis of a bore 46 of a stud 40a, 40b.
- a dig is made to accommodate the head of the screws so that they are flush with the bottom of the housing.
- the holes 46 of the studs are threaded and the screws 51 are provided to secure the pads 40a, 40b to the housing 20 after placing the fastening ends 31 of the dipoles 30a, 30b in the grooves 42 of the pads.
- the holes 46 may be opening under the corresponding pad, the screws 51 in this case cross the corresponding pad and a nut is associated with the screw to mechanically fasten the pad to the housing.
- connection lia or 11b lug is wired and the second end of said lug is welded to the head 51a of a screw 51 (FIGS. -3).
- a connecting lug 11a or 11b is wired and the second end of the said lug is hooked and positioned under the head 51a of a screw 51 (FIG 1): the said second end is thus pinched between the screw head and housing when the screw is tight.
- connection lia 11b or 11b is a track or an electrical sheet whose first end is secured to an equipotential component or track 12a, 12b and whose second end is pierced with a hole adapted to the passage of the body of the screw 51: the said second end can be pinched between the screw head and the housing when the screw is tightened.
- the electrically conductive screws 51 pass through the bore of the housing and cooperate with the drilling 46 of a stud to mechanically fasten a connection lia lla, 11b of the electrical component and a stud 30a, 30b to the housing, and electrically connect the connecting lug of connection to the plot.
- a device according to the invention may comprise only one electronic component.
- the electronic component (s) can be of any kind, not just volume-wave or surface-guided sensors, and not just temperature sensors.
- the same component may have one or more connection tabs at different potentials or not.
- the fixing end of the antenna pole is bent to receive the distal portion shaped hook of the fixing end 31 of an antenna pole.
- the antenna pole is rectilinear, the fixing end 31 of the antenna pole and the groove are threaded; the fixing end of the antenna pole is in this case screwed inside the groove to ensure its mechanical attachment to the pad and to ensure electrical contact between the antenna pole and the pad.
- the stud and the antenna pole are made in a single piece, by machining a block of metal for example. The groove is of course not necessary in this case, the electrical and mechanical contact between the antenna pole and the pad being guaranteed by the method of manufacture.
- a single screw 51 is sufficient in practice to ensure the mechanical and electrical connection between the stud and the connecting lia lla, 11b.
- the screw 51 can be replaced by a screw / nut system; digging can be further provided in the bottom of the housing and / or under the stud to accommodate the screw head and / or the nut.
- a stud comprising a pin of substantially vertical axis and extending from the top face of the stud (FIG 4b); the pin replaces the axis of the screw, through the piercing 21a of the housing; the free end of the pin opening in the housing can then optionally cooperate with a nut-type locking means or pin (not shown) or be crimped to form a rivet (not shown), the second end of the connecting lug lia 11b of the component being of course pinched or welded to the end of the pin, the nut, the pin, ... to ensure the connection between the component and the pin.
- FIGS. 2, 3, 4, 5 A prototype was made as shown in FIGS. 2, 3, 4, 5, for an electrical component of the temperature sensor type.
- the metal studs have thus been positioned under the casing and the shape of the studs has been optimized to present the largest possible bearing surface 45, for optimized transfer of heat between the electrical component and the support of which we try to measure the temperature.
- a monopolar antenna is used and the stud associated with the pole of the antenna is positioned above the housing; the bonding surface 44 of the stud corresponds in this example to the underside of the stud and the release surface 43 of the stud corresponds to a side face of the stud; the housing is used placed directly in contact with the support.
- the heat transfer is thus maximal and the antenna is electrically insulated from the support without the need for an insulating coating.
- a second metal pad shown in dashed lines in Figure 6a may be added underneath the case or on one side of the case.
- a dipolar antenna is used, and the two associated pads are positioned on opposite sides on a case (connection surfaces 44 on the sides of the pads).
- the contact of the electrical device with its support is in this case minimal, limited to the bearing surface 45 of the pads which can be very small especially with respect to the previous examples.
- the poles of the antenna can extend either vertically ( clearance 43 above the pads, as shown in FIG. 6b) to limit the width of the studs, either in the extension of a main plane of the casing (clearance surfaces 43 above the studs, as shown in FIG 6c) to limit the thickness of the entire device .
Landscapes
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Pressure Sensors (AREA)
- Thermally Actuated Switches (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1770318A FR3064819B1 (fr) | 2017-03-30 | 2017-03-30 | Connexion d'antenne, notamment pour transducteurs a ondes elastiques guidees en surface |
| PCT/IB2018/052217 WO2018178941A1 (fr) | 2017-03-30 | 2018-03-29 | Connexion d'antenne, notamment pour transducteurs à ondes élastiques guidées en surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3602677A1 true EP3602677A1 (fr) | 2020-02-05 |
| EP3602677B1 EP3602677B1 (fr) | 2024-11-20 |
Family
ID=59253819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18720777.4A Active EP3602677B1 (fr) | 2017-03-30 | 2018-03-29 | Connexion d'antenne, notamment pour transducteurs à ondes élastiques guidées en surface |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11316241B2 (fr) |
| EP (1) | EP3602677B1 (fr) |
| JP (1) | JP6881791B2 (fr) |
| CN (1) | CN110495048B (fr) |
| FR (1) | FR3064819B1 (fr) |
| WO (1) | WO2018178941A1 (fr) |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001284948A (ja) * | 2000-04-03 | 2001-10-12 | Smk Corp | アンテナユニット |
| US20030107881A1 (en) * | 2001-12-11 | 2003-06-12 | Ngk Insulators, Ltd. | Setting construction of shield case or planar antenna on circuit board |
| JP2004347451A (ja) * | 2003-05-22 | 2004-12-09 | Mitsubishi Materials Corp | ワイヤレス温度計測モジュール |
| JP4062189B2 (ja) * | 2003-06-30 | 2008-03-19 | ミツミ電機株式会社 | アンテナ装置 |
| EP1854170B8 (fr) * | 2005-02-11 | 2018-10-17 | Meggitt SA | Antenne a plaque en microruban pour environnements haute temperature |
| JP4125330B2 (ja) * | 2006-05-31 | 2008-07-30 | 株式会社Nikko | 無線操縦玩具のアンテナ並びにアンテナキャップおよび無線操縦玩具 |
| KR101332544B1 (ko) * | 2007-01-09 | 2013-11-22 | 엘지전자 주식회사 | 휴대 단말기 |
| US7602106B2 (en) * | 2007-08-23 | 2009-10-13 | Mueller Timothy J | Piezoelectric device package and method for downhole applications |
| WO2009131137A1 (fr) * | 2008-04-22 | 2009-10-29 | 株式会社オートネットワーク技術研究所 | Boîte de raccordement électrique montée sur véhicule |
| FR2942914A1 (fr) * | 2009-03-06 | 2010-09-10 | Alcatel Lucent | Dispositif d'assemblage d'une antenne |
| WO2012012696A2 (fr) * | 2010-07-22 | 2012-01-26 | Hm Energy, Llc | Ensemble transpondeur à ondes acoustiques de surface pour applications en fond de trou |
| US8730681B2 (en) * | 2011-09-23 | 2014-05-20 | Infineon Technologies Ag | Power semiconductor module with wireless saw temperature sensor |
| FR2989825B1 (fr) | 2012-04-18 | 2014-06-06 | Centre Nat Rech Scient | Dispositif electrique et procede de fabrication de celui-ci |
| CN202928698U (zh) * | 2012-10-03 | 2013-05-08 | 胡淼龙 | 无线温度监测节点 |
| CN203323913U (zh) * | 2012-12-31 | 2013-12-04 | 江苏声立传感技术有限公司 | 一种声表面波无线传感器 |
| CN203837827U (zh) * | 2014-04-28 | 2014-09-17 | 李付有 | 一种耐高温无线温度传感器 |
| EP3241004A1 (fr) * | 2014-12-30 | 2017-11-08 | 3M Innovative Properties Company | Détection de température basée sur des ondes acoustiques de surface (oas) pour un conducteur électrique |
| CN204441469U (zh) * | 2015-04-03 | 2015-07-01 | 上海航天测控通信研究所 | 一种耐高温天线 |
| CN204944699U (zh) * | 2015-05-20 | 2016-01-06 | 常州智梭传感科技有限公司 | 一种saw温度传感器 |
| US9991605B2 (en) * | 2015-06-16 | 2018-06-05 | The Mitre Corporation | Frequency-scaled ultra-wide spectrum element |
| CN205228671U (zh) * | 2015-12-25 | 2016-05-11 | 哈尔滨瑞鹏自动化系统有限公司 | 温度测量仪 |
| CN205843840U (zh) * | 2016-07-16 | 2016-12-28 | 苏文电能科技有限公司 | 一种多芯片差分式saw温度传感器 |
| US10250289B2 (en) * | 2016-09-06 | 2019-04-02 | Apple Inc. | Electronic device antennas with ground isolation |
-
2017
- 2017-03-30 FR FR1770318A patent/FR3064819B1/fr active Active
-
2018
- 2018-03-29 US US16/497,427 patent/US11316241B2/en active Active
- 2018-03-29 EP EP18720777.4A patent/EP3602677B1/fr active Active
- 2018-03-29 JP JP2019550217A patent/JP6881791B2/ja active Active
- 2018-03-29 WO PCT/IB2018/052217 patent/WO2018178941A1/fr not_active Ceased
- 2018-03-29 CN CN201880019325.0A patent/CN110495048B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US11316241B2 (en) | 2022-04-26 |
| FR3064819B1 (fr) | 2020-06-19 |
| WO2018178941A1 (fr) | 2018-10-04 |
| JP6881791B2 (ja) | 2021-06-02 |
| EP3602677B1 (fr) | 2024-11-20 |
| FR3064819A1 (fr) | 2018-10-05 |
| CN110495048B (zh) | 2021-07-02 |
| CN110495048A (zh) | 2019-11-22 |
| US20200303804A1 (en) | 2020-09-24 |
| JP2020520564A (ja) | 2020-07-09 |
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