EP0446684B1 - Vitre d'automobile possédant un double vitrage avec des éléments d'antenne - Google Patents

Vitre d'automobile possédant un double vitrage avec des éléments d'antenne Download PDF

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Publication number
EP0446684B1
EP0446684B1 EP91102521A EP91102521A EP0446684B1 EP 0446684 B1 EP0446684 B1 EP 0446684B1 EP 91102521 A EP91102521 A EP 91102521A EP 91102521 A EP91102521 A EP 91102521A EP 0446684 B1 EP0446684 B1 EP 0446684B1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
aerial
glass
glass according
disposed
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.)
Expired - Lifetime
Application number
EP91102521A
Other languages
German (de)
English (en)
Other versions
EP0446684A1 (fr
Inventor
Peter Dr. Dipl.-Phys. Paulus
Hans-Jürgen Niklewski
Jörg Dipl.-Ing. Braun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Flachglas Wernberg GmbH
Original Assignee
Flachglas Wernberg 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
Priority claimed from DE19904019268 external-priority patent/DE4019268A1/de
Priority claimed from DE19904036937 external-priority patent/DE4036937A1/de
Application filed by Flachglas Wernberg GmbH filed Critical Flachglas Wernberg GmbH
Publication of EP0446684A1 publication Critical patent/EP0446684A1/fr
Application granted granted Critical
Publication of EP0446684B1 publication Critical patent/EP0446684B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01Q1/1271—Supports; Mounting means for mounting on windscreens

Definitions

  • the invention relates to a motor vehicle pane in the form of a double-pane insulating glass unit with an inner pane, an outer pane and an insulating space defined by edge spacers and filled with a gaseous medium for thermal insulation and / or sound insulation.
  • the gaseous medium consists, for example, of gas mixtures or air.
  • the edge spacers generally made of plastic, are mostly covered on the outside by a sealing adhesive. The distance between the isolation rooms is in the range of 2.5 mm and more.
  • Outer pane denotes the pane which, when the motor vehicle pane is installed, faces the outside world.
  • Inner pane refers to the pane which, when installed, points towards the vehicle interior.
  • Such motor vehicle windows are mainly designed for thermal insulation, but also bring about sound insulation.
  • single-pane motor vehicle windows in the form of such double-pane insulating glass units are being used to an increasing extent, but so far mainly as side windows in bus vehicles.
  • single-pane motor vehicle windows also in the form of single-pane safety glass or laminated safety glass, which are equipped with antenna elements.
  • antenna elements for receiving amplitude-modulated electromagnetic waves which are referred to as AM antenna elements
  • antenna elements for receiving frequency-modulated electromagnetic waves which are referred to as FM antenna elements.
  • Antenna elements also within the scope of the invention, can be designed and arranged in relation to the distance from the edge and the distance from one another in accordance with further antenna-technical considerations.
  • the invention has for its object to provide such a motor vehicle window in the form of a double-pane insulating glass unit - which should at the same time have at least one heating field.
  • the subject of the invention is a motor vehicle pane in the form of a double pane insulating glass unit with an inner pane, outer pane and an insulating space defined via edge-side spacers and filled with a gaseous medium, with at least one antenna element in the form of an AM- on at least one surface of the inner pane.
  • Antenna element arranged and the surface of the outer pane on the side of the insulating room has at least one heating field which can also be used as an antenna element.
  • the heating field can be constructed from conductors printed on the surface of the outer pane on the side of the insulation space. However, the heating field can also be applied in the form of an electrically conductive surface field coating.
  • the heating field can be used as an FM antenna element.
  • Area field coating refers to a flat, for example trapezoidal, coating.
  • work is carried out with elongated trapezoidal fields or strips which extend over the width of a motor vehicle window according to the invention and can be arranged one above the other.
  • it is known to equip units, which consist of two glass panes arranged with a space between them, with antenna elements (GB 21 30 018).
  • the antenna elements are all arranged on the insulation-room-side surface of the outer pane or the inner pane of the unit. These units are not automotive windows.
  • the design described serves to protectively encapsulate the antenna elements.
  • two-pane insulating glass units are known in which one pane or both panes have a conductive coating on their surface on the insulating room side (US Pat. No. 2,497,507), but these are not antenna elements and the coatings are also not readily usable as antenna elements if the usual requirements are placed on the reception quality.
  • the invention preference is given to working with at least one AM antenna element which is arranged on the surface of the inner pane on the inside of the vehicle.
  • a heating field which is arranged in the manner described, can be used as an antenna element, with a good reception quality.
  • this antenna element is an FM antenna element, which results in a surprisingly good reception quality for frequency-modulated electromagnetic waves, which is better than the reception that can usually be achieved via heating fields on motor vehicle windows for frequency-modulated electromagnetic waves.
  • the electrical energy received can be decoupled in a known manner.
  • the antenna elements can be brought close to the edge of the motor vehicle window without the inevitable electrical conductivity of the spacer material or the sealing adhesive having a disruptive effect.
  • the relatively large width of the spacing gap does not have a disruptive effect either.
  • the AM antenna element on the surface of the inner pane on the vehicle.
  • a combined AM / FM antenna element preferably in an L-shape, can be arranged on the vehicle-side surface of the inner pane. This can be done in different ways. If in the following of an L-shaped antenna element is spoken, it can basically be used as a combined AM / FM antenna element. However, it can also be used only as an FM antenna element or AM antenna element. Where there is talk of a combined AM / FM antenna element, this usually has an L shape.
  • the invention also teaches arranging a combined AM / FM antenna element and, in addition, at least one AM antenna element on the vehicle-side surface of the inner pane.
  • the AM / FM antenna element can be constructed from an upper L-leg in the upper region of the inner pane and an approximately central L-web which runs vertically in the installed state, and the AM antenna element can be above the AM / FM antenna element extend the entire width of the inner pane.
  • the AM / FM antenna element can be optimized as described from an upper L-leg in the upper area of the inner pane and an approximately central L-shaped web that runs vertically when installed, but otherwise the AM antenna element can be divided into two sub-elements. which extend below the upper L-leg and to the side of the L-bridge.
  • the heating field or the heating fields is improved in their antenna effect in all these cases.
  • this antenna can be used for antenna-related diversity purposes.
  • the AM antenna element is also designed as a heating field and in which this heating field and the heating field arranged on the outer pane are independent with regard to their heating function are switchable from each other. It is also within the scope of the invention to provide the inner pane with a heating field on one of its surfaces.
  • the measures described last allow the outer pane and / or the inner pane to be dehumidified at short notice. Dehumidifying also means defrosting, especially with regard to the outer pane.
  • the heating fields can always be those with surface coating as well as those with printed conductors.
  • the motor vehicle pane 1 shown in FIGS. 1 to 6 is designed as a double pane insulating glass unit.
  • the inner pane 2, the outer pane 3 and an insulating space 5 defined by means of spacers 4a with sealing adhesive 4b can be seen.
  • the insulating space 5 is filled with a gaseous medium, including gas mixtures and air.
  • the surface of the outer pane 3 on the insulating space side has two heating fields 7 in the form of printed conductors or in the form an electrically conductive surface field coating. At least one of these can be used simultaneously as an FM antenna element. They have the shape of two elongated strips.
  • the antenna element of the outer pane 3, which is at the same time designed as a heating field 7, can be insulated with the AM antenna elements 6 and / or the arranged on the vehicle inside of the inner pane 2 Combine antenna elements 8 arranged on the inner pane 2, which are shown in FIGS. 4 to 6.
  • the L-legs were designated 8 ', the vertically running L-bars with 8 ⁇ .
  • the motor vehicle pane shown in FIGS. 7 to 12 connects to FIGS. 1 and 2 and is likewise designed as a double pane insulating glass unit. It has an inner pane 2, an outer pane 3 and an insulating space 5 defined by means of spacers 4a with sealing adhesive 4b on the edge.
  • the insulating space 5 is filled with a gaseous medium, including gas mixtures and air.
  • the surface of the outer pane 3 on the insulating room side has at least one heating field 7. At least one of the heating fields 7 could be used as an FM antenna element.
  • an FM antenna element 9 is arranged on the surface of the inner pane 2 on the vehicle interior.
  • a heating field 10 is also provided.
  • the arrangement is further made so that the transverse to the direction of the heating conductor 11 antenna conductors 12 are each connected to equipotential points P of the heating conductor 11, which on the heating conductors 11, z. B. were determined by measurement.
  • the antenna conductors 12 are set up to receive horizontally and vertically polarized radio waves. According to FIG. 8, there are no galvanic connections between the antenna conductors 12 outside of the heating field 10 Connections arranged.
  • the reference numerals of FIGS. 7 and 8 are found, as far as they match.
  • the FM antenna is designed as a single L antenna 13, the horizontal L leg 14 of which is above and below that in the Area of the upper edge of the disk arranged AM antenna 6 is arranged.
  • FIG. 11 shows how a heating field 10 can be arranged on the inner pane 2, which can also be used as an FM antenna. It can be located on the surface on the side of the insulation room or also on the surface on the inside of the vehicle. In FIG. 11 it may be located on the surface of the inner pane 2 on the side of the insulation space.
  • the antenna configuration shown in FIG. 12 is also located on the vehicle-side surface of the inner pane 2. It can be seen that the FM antenna is designed as an L-antenna 13, which runs with its horizontal L-leg 14 above the AM antenna 6 arranged in the region of the upper edge of the pane and whose vertical L-leg is doubled. Antenna configurations as described and illustrated above are known per se. According to the invention, they are used in a special way in a motor vehicle window according to FIGS. 1 to 6.

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  • Details Of Aerials (AREA)

Claims (16)

  1. Vitre de véhicule automobile se présentant sous la forme d'une unité en verre isolant à deux vitres comprenant une vitre intérieure (2) et une vitre extérieure (3) et un espace isolant (5) défini par l'intermédiaire d'entretoises marginales (4a,4b) et rempli par un milieu gazeux, pour l'isolation thermique et/ou l'insonorisation, et dans laquelle au moins un élément d'antenne réalisé sous la forme d'un élément d'antenne à modulation d'amplitude (6) est disposé sur au moins l'une des surfaces de la vitre intérieure (2) et dans laquelle la surface, tournée vers l'espace isolant, de la vitre extérieure (3) possède au moins un panneau chauffant (7), qui peut être utilisé simultanément en tant qu'élément d'antenne.
  2. Vitre de véhicule automobile selon la revendication 1, dans laquelle le panneau chauffant (7) est constitué par des conducteurs qui sont imprimés sur la surface, située du côté de l'espace isolant, de la vitre extérieure (3).
  3. Vitre de véhicule automobile selon la revendication 1, dans laquelle le panneau chauffant (7) est déposé sous la forme d'un panneau d'une certaine étendue en surface, formé d'un revêtement électriquement conducteur.
  4. Vitre de véhicule automobile selon l'une des revendications 1 à 3, dans laquelle le panneau chauffant (7) peut être utilisé en tant qu'élément d'antenne à modulation de fréquence.
  5. Vitre de véhicule automobile selon l'une des revendications 1 à 4, dans laquelle l'élément d'antenne à modulation d'amplitude (6) est disposé sur la surface, tournée vers l'habitacle, de la vitre intérieure (2).
  6. Vitre de véhicule automobile selon l'une des revendications 1 à 4, dans laquelle un élément d'antenne combiné à modulation d'amplitude/modulation de fréquence (8), de préférence en forme de L, est disposé sur la surface, située du côté de l'habitacle, de la vitre intérieure (2).
  7. Vitre de véhicule automobile selon l'une des revendications 1 à 6, dans laquelle un élément d'antenne combiné à modulation d'amplitude/modulation de fréquence (8) et en outre au moins un élément d'antenne à modulation d'amplitude (6), séparé du précédent, sont disposés sur la surface, tournée vers l'habitacle, de la vitre intérieure (2).
  8. Vitre de véhicule automobile selon la revendication 7, dans laquelle l'élément d'antenne à modulation d'amplitude/modulation de fréquence (8) est constitué par une branche supérieure en forme de L (8′) située dans la zone supérieure de la vitre intérieure et par une barrette en forme de L (8˝) située dans une position approximativement centrée et qui est verticale à l'état installé, et dans laquelle l'élément d'antenne à modulation d'amplitude (6) s'étend au-dessus de l'élément d'antenne à modulation d'amplitude/modulation de fréquence (8), sur toute la largeur de la vitre intérieure (2).
  9. Vitre de véhicule automobile selon la revendication 7, dans laquelle l'élément d'antenne à modulation d'amplitude/modulation de fréquence (8) est constitué par une branche supérieure en forme de L (8′) dans la partie supérieure de la vitre intérieure et par une barrette en forme de L (8˝) qui est approximativement centrée est verticale à l'état installé, et dans laquelle l'élément d'antenne à modulation d'amplitude (6) est subdivisé en deux parties, qui s'étendent au-dessous de la branche (8′) en forme de L et latéralement par rapport à la branche (8˝) en forme de L.
  10. Vitre de véhicule automobile selon l'une des revendications 1 à 4, dans laquelle l'élément d'antenne à modulation d'amplitude (6) est agencé également en tant que panneau chauffant, et les deux panneaux chauffants (6 et 7) peuvent être branchés indépendamment l'un de l'autre.
  11. Vitre de véhicule automobile selon l'une des revendications 1 à 10, dans laquelle la vitre intérieure (2) possède en outre au moins un panneau chauffant (10), sur l'une de ses surfaces supérieures.
  12. Vitre de véhicule automobile selon la revendication 11, dans laquelle la vitre intérieure (2) possède en outre, sur sa surface tournée vers l'habitacle, au moins une antenne à modulation d'amplitude (6) et au moins une antenne à modulation de fréquence (9).
  13. Vitre de véhicule automobile selon la revendication 12 , dans laquelle lorsque le panneau chauffant (10) est disposé sur la surface tournée vers l'habitacle du véhicule, les conducteurs d'antenne (12) (pour des ondes radio à polarisation horizontale et verticale), qui s'étendent transversalement par rapport à la direction des conducteurs chauffants (11), sont reliés respectivement à des points équipotentiels (P) des conducteurs chauffants (11), qui sont déterminés par mesurage sur les conducteurs chauffants (11).
  14. Vitre de véhicule automobile selon la revendication 12, dans laquelle l'antenne à modulation de fréquence est réalisée sous la forme d'une antenne en L individuelle (13), dont la branche horizontale (14) est disposée au-dessus ou au-dessous de l'antenne à modulation d'amplitude (6) qui est disposée au voisinage du bord supérieur de la vitre.
  15. Vitre de véhicule automobile selon l'une des revendications 12 ou 14, dans laquelle le panneau chauffant (10) de la vitre intérieure (2) est disposé sur la surface, tournée vers l'espace isolant, de la vitre intérieure (2).
  16. Vitre de véhicule automobile selon la revendication 15, dans laquelle l'antenne à modulation de fréquence est agencée sous la forme d'une antenne en forme de L (13), dont la branche horizontale (14) s'étend au-dessus de l'antenne à modulation d'amplitude (6), qui est située dans la zone du bord supérieur de la vitre, et dont la branche verticale du L est doublée.
EP91102521A 1990-03-10 1991-02-21 Vitre d'automobile possédant un double vitrage avec des éléments d'antenne Expired - Lifetime EP0446684B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE4007641 1990-03-10
DE4007641 1990-03-10
DE4019268 1990-06-16
DE19904019268 DE4019268A1 (de) 1990-03-10 1990-06-16 Kraftfahrzeugscheibe in form einer zweischeiben-isolierglaseinheit mit antennenelementen
DE19904036937 DE4036937A1 (de) 1990-06-16 1990-11-20 Kraftfahrzeugscheibe in form einer zweischeiben-isolierglaseinheit mit antennenelementen
DE4036937 1990-11-20

Publications (2)

Publication Number Publication Date
EP0446684A1 EP0446684A1 (fr) 1991-09-18
EP0446684B1 true EP0446684B1 (fr) 1995-06-21

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Application Number Title Priority Date Filing Date
EP91102521A Expired - Lifetime EP0446684B1 (fr) 1990-03-10 1991-02-21 Vitre d'automobile possédant un double vitrage avec des éléments d'antenne

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EP (1) EP0446684B1 (fr)
JP (1) JPH0595220A (fr)
DE (1) DE59105751D1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0522784D0 (en) 2005-11-08 2005-12-14 Nel Technologies Ltd Anti-fogging device and anti-fogging viewing member
GB0605670D0 (en) * 2006-03-22 2006-05-03 Pilkington Automotive D Gmbh Improved antenna assembly
JP5738177B2 (ja) * 2011-12-28 2015-06-17 日本板硝子株式会社 車両用ガラスアンテナ
EP3635470A4 (fr) * 2017-06-09 2021-02-24 Saint-Gobain Glass France Vitrage feuilleté à transpondeur de données intégré
CN108341601A (zh) * 2018-02-13 2018-07-31 江苏奥蓝工程玻璃有限公司 一种隔热夹层玻璃的制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2441609A1 (de) * 1973-10-24 1975-05-07 Toyota Motor Co Ltd Antennenanordnung fuer motorfahrzeuge
DE3334943A1 (de) * 1982-09-27 1984-03-29 Rogers Corp., 06263 Rogers, Conn. Mikrowellen-streifenleiter-antenne

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2497507A (en) * 1942-10-05 1950-02-14 Libbey Owens Ford Glass Co Electrically conducting multiple panel structure
DE2615356A1 (de) * 1976-04-08 1977-10-27 Terhaar Bernhard Dr Isolierverglasung
GB2193846B (en) * 1986-07-04 1990-04-18 Central Glass Co Ltd Vehicle window glass antenna using transparent conductive film
DE3910031A1 (de) * 1988-03-31 1989-10-19 Nippon Sheet Glass Co Ltd Fahrzeug-scheibenantenne
DE3820229C1 (fr) * 1988-06-14 1989-11-30 Heinz Prof. Dr.-Ing. 8033 Planegg De Lindenmeier
DE3914424A1 (de) * 1989-05-01 1990-12-13 Lindenmeier Heinz Antenne mit vertikaler struktur zur ausbildung einer ausgedehnten flaechenhaften kapazitaet

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2441609A1 (de) * 1973-10-24 1975-05-07 Toyota Motor Co Ltd Antennenanordnung fuer motorfahrzeuge
DE3334943A1 (de) * 1982-09-27 1984-03-29 Rogers Corp., 06263 Rogers, Conn. Mikrowellen-streifenleiter-antenne
GB2130018A (en) * 1982-09-27 1984-05-23 Rogers Corp Antenna

Also Published As

Publication number Publication date
JPH0595220A (ja) 1993-04-16
DE59105751D1 (de) 1995-07-27
EP0446684A1 (fr) 1991-09-18

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