WO2017060274A1 - Trajet de transmission hf dans un appareil ménager - Google Patents

Trajet de transmission hf dans un appareil ménager Download PDF

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Publication number
WO2017060274A1
WO2017060274A1 PCT/EP2016/073745 EP2016073745W WO2017060274A1 WO 2017060274 A1 WO2017060274 A1 WO 2017060274A1 EP 2016073745 W EP2016073745 W EP 2016073745W WO 2017060274 A1 WO2017060274 A1 WO 2017060274A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
housing
waveguide structure
electromagnetic signal
domestic appliance
Prior art date
Application number
PCT/EP2016/073745
Other languages
German (de)
English (en)
Inventor
Peter Bosen
Johannes Edenhofer
Josef Reitner
Original Assignee
BSH Hausgeräte GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BSH Hausgeräte GmbH filed Critical BSH Hausgeräte GmbH
Priority to EP16781706.3A priority Critical patent/EP3360200B1/fr
Priority to CN201680058171.7A priority patent/CN108140938B/zh
Publication of WO2017060274A1 publication Critical patent/WO2017060274A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/007—Details of, or arrangements associated with, antennas specially adapted for indoor communication
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • F24C7/086—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination touch control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays
    • F25D2400/361—Interactive visual displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0086—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials

Definitions

  • the invention relates to a domestic appliance with a communication unit.
  • the home appliance may include an RF transmission link of independent waveguide structures.
  • Devices such as home appliances (e.g., washing machines, clothes dryers, dishwashers, ovens, refrigerators, etc.) often have a metallic housing shielded for RF (high frequency) radiation for stability.
  • RF high frequency
  • the present document addresses the technical problem of providing cost-effective and reliable wireless communication capabilities in devices, particularly home appliances, having a shielding housing.
  • the device may include or correspond to a domestic appliance, in particular a household appliance such as a washing machine, a tumble dryer, a dishwasher, an oven, or a refrigerator.
  • the device includes a housing having a plurality of housing walls.
  • one or more (possibly all) housing walls may comprise an electrically conductive material (for example a metal).
  • the housing can thus have shielding properties for electromagnetic waves (in particular in the range from 30 MHz to 300 GHz).
  • the apparatus further comprises a communication unit (also referred to herein as a communication module) and an outside antenna that are configured receive or transmit electromagnetic signal.
  • the electromagnetic signal may include a frequency in the above-mentioned frequency range of 30MHz to 300GHz.
  • the electromagnetic signal may include, for example, a Bluetooth signal or a WLAN signal.
  • the electromagnetic signal may conform to one of the frequency band standards IEEE 802.1 1 or IEEE 802.15.1.
  • the device may include a touch-sensitive screen that allows a user of the device to enter control instructions to the device.
  • a touch-sensitive screen that allows a user of the device to enter control instructions to the device.
  • Such a screen is typically arranged at a location of the housing which is easily accessible to the user (in particular on an outer wall of the housing).
  • the apparatus further comprises a communication unit and an outdoor antenna configured to receive an electromagnetic signal.
  • the communication unit can receive or transmit an electromagnetic signal directly or indirectly via the external antenna.
  • the external antenna may correspond to a module antenna of the communication unit that is directly connected to the communication unit.
  • the outer antenna of a second antenna may correspond to a waveguide structure described in this document.
  • the outer antenna may be disposed in or on the touch-sensitive screen such that by means of the outer antenna, an electromagnetic signal may be transmitted to a receiver outside the housing or received by a transmitter outside the housing.
  • the external antenna can transmit the electromagnetic signal in a reliable (ie, as undamped as possible) manner to an external communication partner or receive from it.
  • the arrangement of the outdoor antenna in or on the touch-sensitive screen thus provides cost-effective and reliable wireless communication capabilities in a device having a shielding housing.
  • the communication unit can have a module antenna.
  • the communication unit and the module antenna can be arranged in the housing (ie in the interior of the housing), so that a communication takes place through the arrangement of the communication unit and the module antenna between the communication unit and a communication partner (ie a transmitter or receiver) outside the housing of the device is made difficult (in particular due to a shielding effect of the housing).
  • the device may further comprise at least one waveguide structure having a first antenna and a second antenna.
  • the waveguide structure is at least partially disposed in the housing of the device.
  • the waveguide structure is configured to receive an electromagnetic signal emitted by the module antenna by means of the first antenna and to emit (re) it by means of the second antenna.
  • the second antenna correspond to the outer antenna.
  • the waveguide structure is set up to receive an electromagnetic signal by means of the second antenna and to transmit it to the module antenna by means of the first antenna.
  • at least the first antenna is typically arranged in the housing of the device.
  • the waveguide structure is thus configured to pass an electromagnetic signal within the housing of the device.
  • the waveguide structure is preferably a passive structure (without an electrical power supply), which is thus provided in a particularly cost-effective manner.
  • the second antenna (in particular the outer antenna) may be arranged such that an electromagnetic signal can be transmitted to a receiver outside the housing or received by a transmitter outside the housing by means of the second antenna.
  • the second antenna may be arranged for this purpose, if necessary outside the housing of the device.
  • the second antenna may be disposed at a location of the housing where the housing has a relatively high transmittance of the electromagnetic signal (eg, a transmittance of 50%, 70%, compared to another location of the housing). 90% or more).
  • the use of a waveguide structure arranged in this way makes it possible to provide communication capabilities in a device, in particular in a domestic appliance, in a cost-efficient and reliable manner.
  • wirelessly networked devices can be efficiently provided.
  • the waveguide structure may include an electrically conductive trace configured to transmit the electromagnetic signal between the first antenna and the second antenna.
  • the electromagnetic signal can be conducted via the conductor track from the first antenna inside the housing to the second antenna outside the housing (or vice versa).
  • the communication unit can efficiently communicate with an external communication partner outside the housing (eg, with a WLAN access point).
  • the housing may comprise a (first) wall with an electrically conductive material (e.g., metal).
  • the waveguide structure may comprise a dielectric layer on which the conductor track is arranged.
  • the dielectric layer can serve as a carrier layer for the conductor track.
  • the waveguide structure may be disposed on the first wall such that the dielectric layer isolates the trace from the first wall.
  • the waveguide structure may have an adhesive layer with which the dielectric layer can be adhered to the first wall.
  • an electrically conductive (first) wall of the housing can be efficiently used as ground for a strip microstrip
  • the resulting stripline is configured to provide the electromagnetic signal with relatively low losses between the first antenna and to transmit the second antenna.
  • the waveguide structure may be designed such that the electromagnetic signal between the first antenna and the second antenna is transmitted by electromagnetic coupling, in particular by resonant coupling, the first antenna and the second antenna.
  • the first antenna and the second antenna may be constructed such that the first antenna and the second antenna have a common resonance frequency.
  • the first antenna and the second antenna can be of identical construction.
  • the first antenna of the waveguide structure and the module antenna can be coupled via a resonant, electromagnetic coupling in order to enable as lossless transmission of the electromagnetic signal as possible.
  • the device may comprise a plurality of waveguide structures.
  • the waveguide structures are arranged such that in each case a second antenna of a first waveguide structure is (resonantly) coupled to a first antenna of an adjacent second waveguide structure.
  • the plurality of waveguide structures may form a path for the electromagnetic signal from the module antenna out of the housing, or from outside the housing to the module antenna.
  • the first antenna of a first waveguide structure on the path may be resonantly coupled to the module antenna.
  • the second antenna of a last waveguide structure on the path can enable a radio connection with a communication partner outside the housing.
  • the waveguide structure may include a support layer (which includes, for example, the dielectric layer).
  • the first antenna and the second antenna may be printed on the carrier layer.
  • a trace of the waveguide structure may be printed on the carrier layer.
  • the waveguide structure may include an adhesive layer with which the (printed) waveguide structure may be adhered to a wall of the housing.
  • the touch screen typically includes electrically conductive structures configured to detect a touch of the screen.
  • electrically conductive structures configured to detect a touch of the screen.
  • (triangular) traces may be disposed on the touch screen to detect the position of a touch of the screen.
  • the second antenna may comprise at least a part of the electrically conductive structures. In other words, the second antenna may be at least partially integrated in the electrically conductive structures of the screen. This allows a especially cost and space effective provision of wireless communication capabilities in a device.
  • the electrically conductive structures may at least partially comprise a metamaterial which confers the property of an antenna on the electrically conductive structures.
  • the metamaterial may have a plurality of (same) microscopic structures (e.g., each having a size of 2mm, 1mm or less), each having an antenna function.
  • the plurality of microscopic structures can then provide a second antenna that can emit electromagnetic signals of a particular range (e.g., 50m, 100m or more).
  • the metamaterial may include a variety of (microscopic) electromagnetic resonant circuits.
  • the function of a touch-sensitive screen can be effectively combined with an antenna function.
  • the second antenna can be arranged in a contact-insensitive part of the screen.
  • a waveguide structure for propagating an electromagnetic signal may include one or more of the features described in this document.
  • the waveguide structure may comprise a (typically dielectric) carrier layer having a first side and a second side.
  • the backing layer may be self-adhesive on the first side so that the waveguide structure may be secured to a first surface (e.g., on a housing wall).
  • the waveguide structure comprises a first antenna and a second antenna, which are arranged on the second side of the carrier layer.
  • the first antenna and the second antenna may be printed on the second side of the carrier layer.
  • the antennas are designed in such a way that the waveguide structure can receive an electromagnetic signal by means of the first antenna and can emit (and / or. Emit the electromagnetic signal by means of the second antenna vice versa).
  • the waveguide structure can be used efficiently for relaying an electromagnetic signal (eg, for transmission through a shielding housing).
  • a juxtaposition of waveguide structures a transmission path for an electromagnetic signal can be established.
  • the waveguide structure typically has a length and / or a width of 1-10 cm. Furthermore, the waveguide structure typically has a thickness (perpendicular to the carrier layer) in the range of 1 mm.
  • a self-adhesive waveguide structure may thus be configured as a type of "patch” or “sticker” that can be adhered to the walls of a shielding housing to provide a transmission path for an electromagnetic signal.
  • a domestic appliance in particular a domestic appliance such as a washing machine, a tumble dryer, a dishwasher, an oven, or a refrigerator
  • the home appliance includes a housing having a plurality of housing walls.
  • one or more (possibly all) housing walls may comprise an electrically conductive material (for example a metal).
  • the housing can thus have shielding properties for electromagnetic waves (in particular in the range from 30 MHz to 300 GHz).
  • the home appliance may have any combination of the features described in this document.
  • the domestic appliance comprises a touch-sensitive screen, which is arranged on an outer wall of the housing.
  • the touch screen allows a user of the home appliance to enter control instructions to the home appliance.
  • the touch screen includes electrically conductive structures configured to detect a touch of the screen.
  • the domestic appliance includes a communication unit and an antenna (eg, a module antenna) configured to receive an electromagnetic signal or to send.
  • the electromagnetic signal may include a frequency in the above-mentioned frequency range of 30MHz to 300GHz.
  • the electromagnetic signal may include, for example, a Bluetooth signal or a WLAN signal.
  • the electromagnetic signal may conform to one of the frequency band standards IEEE 802.1 1 or IEEE 802.15.1.
  • the communication unit is arranged in the housing.
  • the antenna is arranged in or on the touch-sensitive screen.
  • the antenna may comprise at least part of the electrically conductive structures of the touch-sensitive screen.
  • Figures 1 a, 1 b, 1 c exemplary waveguide structures for conducting electromagnetic waves
  • FIGS. 2a, 2b show exemplary arrangements of waveguide structures in one embodiment
  • FIGS. 3 a, 3 b, 3 c show exemplary antenna structures on or in a touch-sensitive screen of a domestic appliance.
  • the present document is concerned with the efficient provision of wireless communication capabilities in a device having at least a partial shielding housing.
  • the device or the device preferably correspond to a domestic appliance. Alternatively, they are also Other devices with at least partially shielding housings conceivable, for example motor vehicles with a shielding body.
  • the domestic appliance may have a communication unit 201 (see FIGS. 2 a and 2 b) with an antenna 202.
  • the communication unit 201 may be configured, for example, to set up a WLAN, Bluetooth, GPS, UMTS, LTE, etc. communication link with a communication partner.
  • the communication unit 201 with the antenna 202 would have to be arranged at a location within the housing 200 of a domestic appliance, at which loss-free radiation and lossless reception of electromagnetic beams in a frequency range between 3 MHz and 300 GHz, in particular between 30Mhz and 300GHz, is possible.
  • this is typically not possible, in particular when using a metallic housing 200.
  • One possibility is to install the communication unit 201 at an arbitrary location in the housing 200 of a household appliance, and to connect an additional antenna at a favorable radiation / reception location via a coaxial line with the communication unit 201.
  • a wiring through the housing 200 of a household appliance is complex and intensive.
  • printed waveguide structures 100, 110, 120 may be used to detect the communication unit 201 via an antenna 202 (also referred to in this document as a module antenna) radiated electromagnetic waves out of the housing 200 of the household appliance or in the opposite direction to conduct electromagnetic waves from outside the housing 200 to the antenna 202 of the communication unit 201.
  • antenna 202 also referred to in this document as a module antenna
  • the waveguide structures 100, 110 include a first antenna 101, a trace 102, and a second antenna 103.
  • An electromagnetic wave is received via the first antenna 101, passed via the trace 102 to the second antenna 103, and from the second antenna 103 broadcast (or vice versa). It is the Conductor 102 typically on a dielectric support layer 105 of the waveguide structure 100, 1 10 arranged.
  • the waveguide structure 120 comprises a first antenna 121 and a second antenna 122, which are coupled to each other (resonant), and thus enable the transmission of an electromagnetic wave from the first antenna 121 to the second antenna 122 (or vice versa).
  • the antennas 121, 122 are arranged on a carrier layer 105.
  • a path can be constructed in a flexible and efficient manner through the housing 200 of a domestic appliance in order to guide an electromagnetic wave from the module antenna 202 of a communication unit 201 out of the housing 200 In the reverse direction, to guide an electromagnetic wave from a point outside the housing 200 to the module antenna 202 of the communication unit 201.
  • This is accomplished by the waveguide structures 120 in the example in FIG. 2a.
  • an electromagnetic wave radiated from the module antenna 202 is received by the first antenna 121 of the first waveguide structure 120 and transmitted to the second antenna 122 of this first waveguide structure 120.
  • the second antenna 122 in turn radiates an electromagnetic wave received by the first antenna 121 of the following waveguide structure 120, and so on until finally the electromagnetic wave from the second antenna 122 of the last waveguide structure 120 on the path out of the Housing 200 is emitted.
  • an electromagnetic wave from the second antenna 122 of the last waveguide structure 120 can thus be guided through the housing 200 to the module antenna 202 of the communication unit 201.
  • FIG. 2b shows the exemplary use of a waveguide structure 100 on the wall 210 of a housing 200 of a domestic appliance.
  • the first antenna 101 of the waveguide structure 100 is disposed on a first (inner) side of the housing wall 210 and may be used to receive an electromagnetic wave radiated from the module antenna 202.
  • the first antenna 101 and the module antenna 202 may be resonantly coupled together.
  • the received electromagnetic wave is then transmitted over the trace 102 to the other (outer) Conducted side of the housing wall 210 and there emitted from the second antenna 103 of the waveguide structure 100.
  • an electromagnetic wave can thus be received by the second antenna 103 and forwarded to the module antenna 202 of the communication unit 201.
  • These structures 100, 110, 120 consist of coupled structures that are preferably resonant. Self-adhesive, these structures 100, 1 10, 120 flexible can be placed in a household appliance.
  • the structures 100, 110, 120 may be used to route an RF signal through a home appliance and to broadcast at a suitable location.
  • the structures 100, 110, 120 can thereby be placed independently in the household appliance and optionally freely coupled (as in the case of the structure 120).
  • two antenna structures 101, 103 may be coupled via a line 102, wherein the line 102 takes over the waveguide. In this case, the first antenna 101 receives the RF signal and the second antenna 103 radiates the RF signal at a suitable location.
  • waveguide structures 100, 110, 120 represents a simple and cost-effective alternative to the use of a coaxial cable with an additional antenna in a domestic appliance.
  • waveguide structures 100, 110, 120 Even with the use of waveguide structures 100, 110, 120, it may be difficult to reserve a suitable location on the housing 200 of a home appliance for radiating / receiving electromagnetic waves.
  • home appliances often have a touch-sensitive screen, which is arranged on the outside of the housing 200 of a household appliance.
  • the touch-sensitive screen typically includes electrically conductive structures (e.g., traces arranged in response to a backgammon game board).
  • the touch-sensitive screen can be efficiently used as an antenna for radiating or for receiving electromagnetic waves due to its positioning and possibly due to the available electrically conductive structures. This is shown by way of example in FIGS. 3a, 3b, 3c.
  • the touch-sensitive screen 300 includes triangular-shaped traces 301, from where a subset 302 can be used as an antenna (see Fig. 3a).
  • 3b shows an example in which a portion of the dedicated antenna screen 312 is used (without using the electrically conductive structures 301 of the screen 300).
  • FIG. 3 c shows an example in which 300 microstructures 322 for providing an antenna were integrated into a triangular-shaped printed circuit 301 of a screen 300.
  • a metamaterial may be used which gives the trace 301 the function of an antenna.
  • a touch overlay 301 (i.e., the electrically conductive structures) of a touch display 300 may be used for RF radiation and for RF reception.
  • additional suitable structures may optionally be applied to the touch overlay (such as a dipole antenna, a metamaterial, etc.).
  • the touch overlay 301 is used as an antenna in addition to the actual function.
  • the touch overlay 301 can be optimized with regard to an HF function. In particular, such as e.g. in Fig. 3c, metamaterials are used for this purpose.
  • a touch sensitive screen 300 As an antenna, the behavior of a home appliance with respect to RF radiation and RF reception can be improved. Due to the position of the touch-sensitive screen 300, the antenna is automatically located on the outside of the housing 200 of a household appliance. In addition, a touch-sensitive screen 300 is typically readily accessible, and therefore, has mostly good RF emission / reception characteristics. A touch operation on the screen 300 is usually only for a short time, so that the RF radiation or the RF reception is affected only slightly by a touch operation. In addition, coverage of the antenna structure is unlikely because the user of a home appliance typically wishes to see the screen 300.

Landscapes

  • Support Of Aerials (AREA)
  • Waveguide Aerials (AREA)

Abstract

L'invention concerne un appareil ménager comprenant un boîtier (200). Cet appareil ménager comprend également une unité de communication (201) et une antenne extérieure (103, 122) conçues pour recevoir et envoyer un signal électromagnétique. L'unité de communication (201) est disposée dans le boîtier (200). Ledit appareil ménager comprend aussi un écran tactile (300) qui est disposé sur une paroi extérieure (210) du boîtier (200). L'antenne extérieure (103, 122) est disposée dans ou sur l'écran tactile (300) de manière qu'un signal électromagnétique puisse être envoyé à un récepteur à l'extérieur du boîtier (200) ou reçu par un émetteur à l'extérieur dudit boîtier (200), au moyen de ladite antenne extérieure (103, 122).
PCT/EP2016/073745 2015-10-08 2016-10-05 Trajet de transmission hf dans un appareil ménager WO2017060274A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16781706.3A EP3360200B1 (fr) 2015-10-08 2016-10-05 Trajet de transmission hf dans un appareil ménager
CN201680058171.7A CN108140938B (zh) 2015-10-08 2016-10-05 家用器具中的hf传输路径

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015219492.2 2015-10-08
DE102015219492.2A DE102015219492A1 (de) 2015-10-08 2015-10-08 HF-Übertragungsstrecke aus unabhängigen Wellenleitungs-Strukturen

Publications (1)

Publication Number Publication Date
WO2017060274A1 true WO2017060274A1 (fr) 2017-04-13

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ID=57136839

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/073745 WO2017060274A1 (fr) 2015-10-08 2016-10-05 Trajet de transmission hf dans un appareil ménager

Country Status (4)

Country Link
EP (1) EP3360200B1 (fr)
CN (1) CN108140938B (fr)
DE (1) DE102015219492A1 (fr)
WO (1) WO2017060274A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018111711A1 (de) * 2018-05-16 2019-11-21 Tridonic Gmbh & Co Kg Leuchte mit Transponder für Parametrierung und Adressierung

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US20090193823A1 (en) * 2006-07-04 2009-08-06 Ik-Kyu Lee Refrigerator with wireless communication function
US20120329524A1 (en) * 2011-06-22 2012-12-27 Kent Joel C Touch sensor and antenna integration along an electronic device housing
CN103712406A (zh) * 2012-09-28 2014-04-09 海信（山东）冰箱有限公司 一种带有双天线的冰箱及其控制方法
US20140174489A1 (en) * 2012-12-20 2014-06-26 Whirlpool Corporation Household appliance having antennas
JP2014209053A (ja) * 2013-03-29 2014-11-06 パナソニック株式会社 冷蔵庫及び冷蔵庫システム

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Publication number Priority date Publication date Assignee Title
US7429953B2 (en) * 2006-03-03 2008-09-30 Motorola, Inc. Passive repeater for radio frequency communications
CN101479546A (zh) * 2006-07-04 2009-07-08 Lg电子株式会社 具有无线通信功能的制冷器
US8115688B2 (en) * 2008-10-24 2012-02-14 Intelleflex Corporation RF conduit and systems implementing same
DE102014204495B4 (de) * 2014-03-12 2016-02-25 Schaeffler Technologies AG & Co. KG Passiver Repeater zur Weiterleitung von Funksignalen, Funksystem, Fahrzeug und Lager mit einem passiven Repeater und Verwendung eines passiven Repeaters

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
US20090193823A1 (en) * 2006-07-04 2009-08-06 Ik-Kyu Lee Refrigerator with wireless communication function
US20120329524A1 (en) * 2011-06-22 2012-12-27 Kent Joel C Touch sensor and antenna integration along an electronic device housing
CN103712406A (zh) * 2012-09-28 2014-04-09 海信（山东）冰箱有限公司 一种带有双天线的冰箱及其控制方法
US20140174489A1 (en) * 2012-12-20 2014-06-26 Whirlpool Corporation Household appliance having antennas
JP2014209053A (ja) * 2013-03-29 2014-11-06 パナソニック株式会社 冷蔵庫及び冷蔵庫システム

Also Published As

Publication number Publication date
EP3360200A1 (fr) 2018-08-15
EP3360200B1 (fr) 2020-12-09
CN108140938B (zh) 2021-02-12
DE102015219492A1 (de) 2017-04-13
CN108140938A (zh) 2018-06-08

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