WO2017005544A1 - A communication means and the household appliance wherein the same is used - Google Patents

A communication means and the household appliance wherein the same is used Download PDF

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Publication number
WO2017005544A1
WO2017005544A1 PCT/EP2016/064973 EP2016064973W WO2017005544A1 WO 2017005544 A1 WO2017005544 A1 WO 2017005544A1 EP 2016064973 W EP2016064973 W EP 2016064973W WO 2017005544 A1 WO2017005544 A1 WO 2017005544A1
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WO
WIPO (PCT)
Prior art keywords
communication means
linear section
arm
ground connection
branches
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Application number
PCT/EP2016/064973
Other languages
French (fr)
Inventor
Sezgi YIKILMAZCINAR
Selami SEVIK
Oner Hatipoglu
Original Assignee
Arcelik Anonim Sirketi
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Publication of WO2017005544A1 publication Critical patent/WO2017005544A1/en

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    • 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
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H01Q5/371—Branching current paths
    • 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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32—Vertical arrangement of element

Definitions

  • the present invention relates to a communication means that provides communication between the household appliances and between the household appliances and the user, to a household appliance wherein the said communication means is used.
  • frequencies that can be used for wireless communication without obtaining licenses are determined.
  • Frequencies that the household appliances can use are defined as ISM (Industrial, scientific and medical) band.
  • the communication means are used externally or as integrated.
  • the use of a low-cost communication means that is composed of an antenna printed on a printed circuit board is known.
  • the dipole antennas working in frequencies defined by the standards for example in frequencies in the vicinity of 800-900 MHz have a length of about 15cm and the monopole antennas have a length of about 8cm.
  • Helical antennas that can be produced in smaller sizes are sensitive to production tolerances and not suitable for mass production.
  • the helical antennas have antenna gain.
  • the communication means used in the household appliances are required to be non-directional and to be capable of broadcasting and receiving broadcast omni-directionally. Therefore, low gain antennas are preferred.
  • the aim of the present invention is the realization of a small-sized and low-cost communication means and a household appliance wherein the said communication means is used.
  • the communication means realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises an antenna having a first linear section extending from a feed point for a certain length, a plurality of branches that are disposed on the linear section, a second linear section that is disposed on another layer of the printed circuit board and connected to the end of the linear section perpendicularly to the plane of the printed circuit board and a first arm and a second arm on the second linear section in parallel to the first linear section.
  • the antenna section of the communication means comprises the first arm and the second arm on the second linear section, extending towards the feed point, and the first arm and the second arm extend towards the feed point from the points of the second linear section apart from the end points thereof.
  • the first arm longer than the second arm is closer to the first linear section than the second arm.
  • the first arm and the second arm are closer to the feed point than the branch closest to the feed point.
  • branches on the linear section so as to be perpendicular to the linear section and the branches have almost the same lengths.
  • the lengths of the branches are preferably almost one twentieth of the resonance wavelength.
  • the branches are connected to the linear section from their centers and the distance between the second branch and the third branch according to the proximity level to the feed point is longer than the distances between other branches.
  • a via connection is provided at one point of the first linear section, preferably at the point where the first linear section is joined with the second linear section.
  • the via connection, the second linear section, the first arm and the second arm are disposed on the other layer of the printed circuit board and thus, the branches do not overlap with the first arm and the second arm.
  • the second linear section and the first arm and the second arm connected to the second linear section are symmetrically positioned so as to be at the right or the left of the first linear section when the communication means is observed from above.
  • a gap is provided on the ground connection and the feed point of the antenna is printed on the printed circuit board so as to be in the gap.
  • the linear section extending from the feed point is selected in a length that is one tenth of the resonance wavelength.
  • the said communication means has a simpler design than the state of the art means and is produced with lower costs. Moreover, the above-mentioned antenna pattern is resistant to production tolerances and is minimally affected by production errors. Thus, losses that may occur during mass production can be minimized, thus providing cost advantage.
  • a small-sized communication means is realized in the license-free frequency band reserved for industrial use in radio frequency arrangements and the communication means can be easily integrated to the edge of the printed circuit board that constitutes the control card of the household appliance wherein the communication means is used.
  • the household appliance wherein the communication means of the present invention is used is in particular a cooking device, an exhaust hood system with an image processing means.
  • the exhaust hood can reflect the information received from the cooking device onto the kitchen counter and thus the user is not required to bend over to see the status of the cooking device.
  • the household appliance wherein the communication means of the present invention is used is not limited to the above-mentioned sample household appliances, and can be a cooling device, a laundry washer and/or dryer, a dishwasher or a small home appliance.
  • Figure 1 – is the schematic view of a communication means.
  • Figure 2 – is the graphic of the losses by frequency of the communication means related to an embodiment of the present invention.
  • Figure 3 – is the graphic of gain in 915 MHz frequency of the communication means related to an embodiment of the present invention.
  • the communication means (1) comprises a feeding unit (not shown in the figures), a printed circuit board (2) and an antenna (3) that is disposed on the printed circuit board (2) and that has a ground connection (4) and a feed point (5).
  • the antenna (3) of the present invention comprises
  • the communication means (1) is driven in the resonance frequency over the feed point (5) by the feeding unit. Moreover, the feeding unit receives signals in the resonance frequency that are captured by the antenna (3).
  • the communication means (1) works as a receiver and/or transmitter.
  • the person skilled in the art can easily change the gain, efficiency, resonance frequency and bandwidth of the communication means (1) by changing the lengths of the branches (7) and the positions thereof on the linear section (6).
  • a communication means (1) with a 3% bandwidth in 915 MHz frequency is realized ( Figure 2).
  • Figure 2 shows the backscatter ratio by frequency of the signal transmitted from the antenna (3), in technical terms the S parameter. In this graphic, for an antenna (3) of a certain size, values lower than 0.3 show an antenna (3) efficiency of 90%.
  • the communication means (1) with the said bandwidth is explained hereinafter in detail.
  • the second linear section (8) of the antenna (3) By positioning the second linear section (8) of the antenna (3) at another layer of the printed circuit board (2), when longer branches (7) are required to be used, the first arm (9) and the second arm (10) and the branches (7) are prevented from overlapping. Moreover, the dimensions of the antenna (3) are smaller.
  • the gain graphic of the antenna (3) is shown in two directions, in other words in the azimuth plane. Therefore, when driven in a frequency of 915 MHz, the antenna (3) of the present invention has a 1.3 dB gain at 92 degrees ( Figure 3).
  • the first arm (9) on the second linear section (8) is closer to the first linear section (6) than the second arm (10).
  • the first arm (9) and the second arm (10) extend towards the feed point (5) from almost the center point of the second linear section (8), in other words from all the regions of the second linear section (8) apart from the ends thereof.
  • the first arm (9) is longer than the second arm (10).
  • the first arm (9) and the second arm (10) are closer to the feed point (5) than the branch (7) closest to the feed point (5).
  • the distance (d2) between the ground connection (4) and the end of the first arm (9) is shorter than the distance (d1) between the ground connection (4) and the branch (7) closest to the feed point (5)
  • the distance (d3) between the ground connection (4) and the end of the second arm (10) is shorter than the distance (d1) between the ground connection (4) and the branch (7) closest to the feed point (5)
  • the ground connection (4) and the feed point (5) are used interchangeably.
  • the antenna (3) of the communication means (1) comprises seven branches (7) that are perpendicularly positioned on the linear section (6).
  • the lengths of the branches (7) are almost equal.
  • the branches (7) are connected to the linear section (6) from their center points, in other words, the branches (7) are symmetrically arranged on the linear section (6).
  • a communication means (1) with the above-described antenna (3) pattern has a low gain, in other words is non-directional, in other words omni-directionally sends signals in almost equal power.
  • the distance between the second branch (7) and the third branch (7) closest to the feed point (5) is longer than the distances between other branches (7) and the distance between the second branch (7) and the third branch (7) is three or three and a half times longer than the distances between other branches (7).
  • the branches (7) are defined as "first”, "second”, etc. according to the proximity to the feed point (5) or to the ground connection (4) and all branches (7) are structurally identical.
  • a via connection (11) is provided at a point on the first linear section (6) of the communication means (1).
  • the via connection (11) is preferably provided at the end point of the first linear section (6).
  • the connection between the first linear section (6) and the second linear section (8), the first arm (9) and the second arm (10) is realized by means of the via connection (11).
  • the first arm (9) and the second arm (10) and the branches (7) are prevented from overlapping.
  • the via connection (11) the dimensions of the communication means (1) are smaller.
  • a gap (12) is arranged on the ground connection (4) provided on the printed circuit board (2) and the feed point (5) is positioned in the said gap (12).
  • the impedance of the antenna (3) is improved.
  • the length of the first linear section (6) of the antenna (3) is of a length that is one tenth of the resonance wavelength.
  • a communication means (1) is realized, that is smaller than the communication means (1) with the state of the art monopole and dipole antennas (3).
  • the printed circuit board (2) has a thickness of 1.6mm and is produced from FR4 material. As can be easily seen by the person skilled in the art, by using a printed circuit board (2) produced from a material with a different thickness and a dielectric coefficient in the antenna (3) pattern having the via connection (11), a communication means (1) with a different bandwidth can be produced. In the above-described communication means (1), the lengths and distances given for the antenna (3) have a production tolerance of +-10%. The expressions such as "almost", etc. in this description should be considered in light of this fact.
  • the ground connection (4) is printed on at least two layers of the printed circuit board (2).
  • the ground connection (4) shown in Figure 1 is present in other layers of the printed circuit board (2).
  • the ground connection (4) and the antenna (3) pattern are obtained by printing copper on the printed circuit board (2).
  • the above-described communication means (1) is used for wireless transmission.
  • the household appliance can be an oven, a cooker, a dishwasher, an exhaust hood, a laundry washer or a refrigerator used in the user's kitchen or bathroom and requiring image and signal transmission to communicate with other household appliances and the user.
  • the communication means (1) used in a refrigerator the images of the refrigerator shelves are displayed for the user or the exhaust hood can capture the images of the foods that are being cooked on the cooker by means of the camera and the processor thereon so as to analyze the same and to send control commands to the cooker.

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Abstract

The present invention relates to a communication means (1) that provides the household appliance wherein the communication means (1) is used with wireless transmission feature and that comprises a feeding unit, a printed circuit board (2) which is a printed circuit board, an antenna (3) that is disposed on a printed circuit board (2) and that has a ground connection (4) and a feed point (5).

Description

A COMMUNICATION MEANS AND THE HOUSEHOLD APPLIANCE WHEREIN THE SAME IS USED
The present invention relates to a communication means that provides communication between the household appliances and between the household appliances and the user, to a household appliance wherein the said communication means is used.
According the radio frequency arrangements, frequencies that can be used for wireless communication without obtaining licenses are determined. Frequencies that the household appliances can use are defined as ISM (Industrial, scientific and medical) band. In the technique, the communication means are used externally or as integrated. In the integrated communication means, the use of a low-cost communication means that is composed of an antenna printed on a printed circuit board is known. However, the dipole antennas working in frequencies defined by the standards, for example in frequencies in the vicinity of 800-900 MHz have a length of about 15cm and the monopole antennas have a length of about 8cm. These large dimensions affect the design of the household appliances and cause the communication means to occupy a large space on the household appliances. Helical antennas that can be produced in smaller sizes are sensitive to production tolerances and not suitable for mass production. In addition, the helical antennas have antenna gain. However, the communication means used in the household appliances are required to be non-directional and to be capable of broadcasting and receiving broadcast omni-directionally. Therefore, low gain antennas are preferred.
In the state of the art European Patent Application No. EP1483803, a microwave antenna with more than one feed points is disclosed.
In the state of the art European Patent Application No.EP2763238, a printed circuit board antenna that can work in different frequencies is disclosed.
In the state of the art European Patent Application No.EP1095422, a printed antenna that can work in different frequencies is disclosed.
The aim of the present invention is the realization of a small-sized and low-cost communication means and a household appliance wherein the said communication means is used.
The communication means realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises an antenna having a first linear section extending from a feed point for a certain length, a plurality of branches that are disposed on the linear section, a second linear section that is disposed on another layer of the printed circuit board and connected to the end of the linear section perpendicularly to the plane of the printed circuit board and a first arm and a second arm on the second linear section in parallel to the first linear section.
The antenna section of the communication means comprises the first arm and the second arm on the second linear section, extending towards the feed point, and the first arm and the second arm extend towards the feed point from the points of the second linear section apart from the end points thereof. The first arm longer than the second arm is closer to the first linear section than the second arm. The first arm and the second arm are closer to the feed point than the branch closest to the feed point.
There are seven branches on the linear section so as to be perpendicular to the linear section and the branches have almost the same lengths. The lengths of the branches are preferably almost one twentieth of the resonance wavelength. Moreover, the branches are connected to the linear section from their centers and the distance between the second branch and the third branch according to the proximity level to the feed point is longer than the distances between other branches.
A via connection is provided at one point of the first linear section, preferably at the point where the first linear section is joined with the second linear section. The via connection, the second linear section, the first arm and the second arm are disposed on the other layer of the printed circuit board and thus, the branches do not overlap with the first arm and the second arm. Moreover, the second linear section and the first arm and the second arm connected to the second linear section are symmetrically positioned so as to be at the right or the left of the first linear section when the communication means is observed from above.
In order to provide impedance matching in the communication means, a gap is provided on the ground connection and the feed point of the antenna is printed on the printed circuit board so as to be in the gap. The linear section extending from the feed point is selected in a length that is one tenth of the resonance wavelength.
The said communication means has a simpler design than the state of the art means and is produced with lower costs. Moreover, the above-mentioned antenna pattern is resistant to production tolerances and is minimally affected by production errors. Thus, losses that may occur during mass production can be minimized, thus providing cost advantage.
By means of the above-mentioned antenna pattern, a small-sized communication means is realized in the license-free frequency band reserved for industrial use in radio frequency arrangements and the communication means can be easily integrated to the edge of the printed circuit board that constitutes the control card of the household appliance wherein the communication means is used.
The household appliance wherein the communication means of the present invention is used is in particular a cooking device, an exhaust hood system with an image processing means. By means of the image processing means, the exhaust hood can reflect the information received from the cooking device onto the kitchen counter and thus the user is not required to bend over to see the status of the cooking device. The household appliance wherein the communication means of the present invention is used is not limited to the above-mentioned sample household appliances, and can be a cooling device, a laundry washer and/or dryer, a dishwasher or a small home appliance.
The communication means realized in order to attain the aim of the present invention is illustrated in the attached figures, where:
Figure 1 – is the schematic view of a communication means.
Figure 2 – is the graphic of the losses by frequency of the communication means related to an embodiment of the present invention.
Figure 3 – is the graphic of gain in 915 MHz frequency of the communication means related to an embodiment of the present invention.
The elements illustrated in the figures are numbered as follows:
1. Communication means
2. Printed circuit board
3. Antenna
4. Ground connection
5. Feed point
6. First linear section
7. Branch
8. Second linear section
9. First arm
10. Second arm
11. Via connection
12. Gap
The following symbols are used for explicating the communication means (1) of the present invention:
d1 : Distance between the branch closest to the ground connection and the ground connection
d2 : Distance between the end of the first arm and the ground connection
d3 : Distance between the end of the second arm and the ground connection
The communication means (1) comprises a feeding unit (not shown in the figures), a printed circuit board (2) and an antenna (3) that is disposed on the printed circuit board (2) and that has a ground connection (4) and a feed point (5).
The antenna (3) of the present invention comprises
- a first linear section (6) that extends from the feed point (5) in a certain length and
- a plurality of branches (7) that are disposed on the first linear section (6) and that are perpendicular to the first linear section (6),
- a second linear section (8) that is disposed at another layer of the printed circuit board (2) and connected to the end of the first linear section (6) in perpendicular to the first linear section (6), and
- a first arm (9) and a second arm (10) that are disposed on the second linear section (8) and that are perpendicular to the second linear section (8).
The communication means (1) is driven in the resonance frequency over the feed point (5) by the feeding unit. Moreover, the feeding unit receives signals in the resonance frequency that are captured by the antenna (3). In other words, the communication means (1) works as a receiver and/or transmitter. The person skilled in the art can easily change the gain, efficiency, resonance frequency and bandwidth of the communication means (1) by changing the lengths of the branches (7) and the positions thereof on the linear section (6). By means of the antenna (3) pattern of the present invention, a communication means (1) with a 3% bandwidth in 915 MHz frequency is realized (Figure 2). Figure 2 shows the backscatter ratio by frequency of the signal transmitted from the antenna (3), in technical terms the S parameter. In this graphic, for an antenna (3) of a certain size, values lower than 0.3 show an antenna (3) efficiency of 90%. The communication means (1) with the said bandwidth is explained hereinafter in detail.
By positioning the second linear section (8) of the antenna (3) at another layer of the printed circuit board (2), when longer branches (7) are required to be used, the first arm (9) and the second arm (10) and the branches (7) are prevented from overlapping. Moreover, the dimensions of the antenna (3) are smaller.
In Figure 3, for an antenna (3) driven in the resonance frequency, the gain graphic of the antenna (3) is shown in two directions, in other words in the azimuth plane. Therefore, when driven in a frequency of 915 MHz, the antenna (3) of the present invention has a 1.3 dB gain at 92 degrees (Figure 3).
The first arm (9) on the second linear section (8) is closer to the first linear section (6) than the second arm (10). The first arm (9) and the second arm (10) extend towards the feed point (5) from almost the center point of the second linear section (8), in other words from all the regions of the second linear section (8) apart from the ends thereof. Moreover, the first arm (9) is longer than the second arm (10).
The first arm (9) and the second arm (10) are closer to the feed point (5) than the branch (7) closest to the feed point (5). In other words, the distance (d2) between the ground connection (4) and the end of the first arm (9) is shorter than the distance (d1) between the ground connection (4) and the branch (7) closest to the feed point (5), and the distance (d3) between the ground connection (4) and the end of the second arm (10) is shorter than the distance (d1) between the ground connection (4) and the branch (7) closest to the feed point (5) In this embodiment, since the distance to the ground connection (4) or the feed point (5) is almost equal, in the description the ground connection (4) and the feed point (5) are used interchangeably.
The antenna (3) of the communication means (1) comprises seven branches (7) that are perpendicularly positioned on the linear section (6). The lengths of the branches (7) are almost equal. The branches (7) are connected to the linear section (6) from their center points, in other words, the branches (7) are symmetrically arranged on the linear section (6).
The lengths of the branches (7) are almost one twentieth of the resonance wavelength. A communication means (1) with the above-described antenna (3) pattern has a low gain, in other words is non-directional, in other words omni-directionally sends signals in almost equal power.
The distance between the second branch (7) and the third branch (7) closest to the feed point (5) is longer than the distances between other branches (7) and the distance between the second branch (7) and the third branch (7) is three or three and a half times longer than the distances between other branches (7). In this embodiment, the branches (7) are defined as "first", "second", etc. according to the proximity to the feed point (5) or to the ground connection (4) and all branches (7) are structurally identical.
A via connection (11) is provided at a point on the first linear section (6) of the communication means (1). The via connection (11) is preferably provided at the end point of the first linear section (6). Thus, the connection between the first linear section (6) and the second linear section (8), the first arm (9) and the second arm (10) is realized by means of the via connection (11). Thus, the first arm (9) and the second arm (10) and the branches (7) are prevented from overlapping. By means of the via connection (11), the dimensions of the communication means (1) are smaller.
A gap (12) is arranged on the ground connection (4) provided on the printed circuit board (2) and the feed point (5) is positioned in the said gap (12). Thus, the impedance of the antenna (3) is improved.
The length of the first linear section (6) of the antenna (3) is of a length that is one tenth of the resonance wavelength. Thus, a communication means (1) is realized, that is smaller than the communication means (1) with the state of the art monopole and dipole antennas (3).
The printed circuit board (2) has a thickness of 1.6mm and is produced from FR4 material. As can be easily seen by the person skilled in the art, by using a printed circuit board (2) produced from a material with a different thickness and a dielectric coefficient in the antenna (3) pattern having the via connection (11), a communication means (1) with a different bandwidth can be produced. In the above-described communication means (1), the lengths and distances given for the antenna (3) have a production tolerance of +-10%. The expressions such as "almost", etc. in this description should be considered in light of this fact.
In the antenna (3), in order to control the bandwidth and the input impedance, the ground connection (4) is printed on at least two layers of the printed circuit board (2). In summary, the ground connection (4) shown in Figure 1 is present in other layers of the printed circuit board (2). As can be easily understood by the person skilled in the art, the ground connection (4) and the antenna (3) pattern are obtained by printing copper on the printed circuit board (2).
In the household appliance of the present invention, the above-described communication means (1) is used for wireless transmission. The household appliance can be an oven, a cooker, a dishwasher, an exhaust hood, a laundry washer or a refrigerator used in the user's kitchen or bathroom and requiring image and signal transmission to communicate with other household appliances and the user. For example, by means of the communication means (1) used in a refrigerator, the images of the refrigerator shelves are displayed for the user or the exhaust hood can capture the images of the foods that are being cooked on the cooker by means of the camera and the processor thereon so as to analyze the same and to send control commands to the cooker.

Claims (15)

  1. A communication means (1) comprising a feeding unit, a printed circuit board (2) and an antenna (3) that is disposed on the printed circuit board (2) and that has a ground connection (4) and a feed point (5), characterized by the antenna (3) having
    - a first linear section (6) that extends from the feed point (5) in a certain length and
    - a plurality of branches (7) that are disposed on the first linear section (6) and that are perpendicular to the first linear section (6),
    - a second linear section (8) that is disposed at another layer of the printed circuit board (2) and connected to the end of the first linear section (6) in perpendicular to the first linear section (6), and
    - a first arm (9) and a second arm (10) that are disposed on the second linear section (8) and that are perpendicular to the second linear section (8).
  2. A communication means (1) as in Claim 1, characterized by the first arm (9) that is closer to the first linear section (6) than the second arm (10) and the first arm (9) and the second arm (10) that extend from almost the center point of the second linear section (8) towards the ground connection (4) side.
  3. A communication means (1) as in Claim 1 or 2, characterized by the first arm (9) that is longer than the second arm (10).
  4. A communication means (1) as in Claim 3, characterized by the first arm (9) wherein the distance (d2) between the ground connection (4) and the end of the first arm (9) is shorter than the distance (d1) between the ground connection (4) and the branch (7) closest to the feed point (5).
  5. A communication means (1) as in Claim 3, characterized by the second arm (10) wherein the distance (d3) between the ground connection (4) and the end of the second arm (10) is shorter than the distance (d1) between the ground connection (4) and the branch (7) closest to the feed point (5).
  6. A communication means (1) as in Claim 4 or 5, characterized by seven branches (7) that are disposed on the first linear section (6).
  7. A communication means (1) as in any one of the above claims, characterized by the branches (7) that have equal lengths.
  8. A communication means (1) as in Claim 5, characterized by the branches (7) in a length that is almost one twentieth of the resonance wavelength.
  9. A communication means (1) as in Claim 4, characterized by the branches (7) that are connected to the first linear section (6) from their center points.
  10. A communication means (1) as in Claim 4, characterized by a distance between the second branch (7) and the third branch (7) closest to the feed point (5) that is longer than the distances between other branches (7).
  11. A communication means (1) as in Claim 4, characterized by a via connection (11) that is disposed at the end point of the first linear section (7).
  12. A communication means (1) as in Claim 4, characterized by a gap (12) arranged on the ground connection (4) and the feed point (5) positioned so as to be in the gap (12).
  13. A communication means (1) as in Claim 4, characterized by the first linear section (6) in a length that is almost one tenth of the resonance wavelength.
  14. A communication means (1) as in Claim 12, characterized by the ground connection (4) that is disposed on at least two layers of the printed circuit board (2).
  15. A household appliance wherein the communication means (1) disclosed in the above claims is used.
PCT/EP2016/064973 2015-07-08 2016-06-28 A communication means and the household appliance wherein the same is used WO2017005544A1 (en)

Applications Claiming Priority (2)

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TR201508490 2015-07-08
TRA2015/08490 2015-07-08

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080284653A1 (en) * 2003-09-09 2008-11-20 National Institute Of Information And Communica- Tions Technology, Inc. Administrative Agency Wide Band Antenna Common to a Plurality of Frequencies
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US20110309985A1 (en) * 2010-06-21 2011-12-22 Ziming He Wideband printed circuit board-printed antenna for radio frequency front end circuit
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