JP2009267992A - Film antenna assembly and film antenna mounting method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a suitable sticking method capable of achieving reduction of costs in sticking two film antennas, side by side, on front glass, and to provide a film antenna assembly. <P>SOLUTION: A film antenna assembly FA is configured in which, when each independently mounting two film antennas on front glass of a vehicle, in a state where a first film antenna F1 and a second film antenna F2 are separated just by a predetermined distance, the first film antenna F1 and the second film antenna F2 are temporarily fixed on the same side of a film sheet 7, and the film sheet 7 is provided with a slit 8 capable of precisely adjusting a positional relationship between the first and second film antennas F1, F2. In the first film antenna F1, at least one antenna pattern is formed on an upper surface of the base film 2, an adhesive is applied over a lower surface, and a separator 6 is mounted which covers the adhesive. In the second film antenna F2, at least one antenna pattern is formed on an upper surface of a base film 2, an adhesive is applied over a lower surface, and a separator 6 is mounted which covers the adhesive. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a film antenna assembly and a film antenna mounting method, and in particular, a film antenna in which a plurality of film antennas used by being attached to left and right upper portions of a fixed window glass of a vehicle, for example, a windshield are incorporated. The present invention relates to an assembly and a method for attaching a film antenna.

  Conventionally, a vehicle is equipped with an antenna that enables reception of radio waves while moving. Taking a car as an example of a vehicle, radio waves received by a car have been mainly AM radio wave (MW), FM radio and TV ultra-high frequency (VHF), and ultra-high frequency (UHF) for many years. Yes, rod antennas were often used. On the other hand, in recent years, antennas for GPS (Global Positioning System) used for car navigation, antennas for receiving digital terrestrial broadcasting (digital TV), high frequency bands such as ETC (Automatic Toll Collection System) and keyless entry systems. Antennas for transmitting and receiving radio waves have been mounted on automobiles.

  These antennas are often mounted on a portion formed of a dielectric material such as a window glass fixed on an automobile formed on a film. Such an antenna pattern formed on a film is hereinafter referred to as a film antenna. When the film antenna is attached to the automobile, the windshield is generally installed (sometimes attached to the rear glass), so here, the case where the antenna is attached to the windshield will be described. The film antenna attached to the windshield is configured by forming an antenna pattern on a transparent base film, and is attached to the upper part of the windshield with an adhesive applied to the back surface of the base film (see Patent Document 1). .

  The film antenna before being attached to the windshield has an antenna pattern and a protective film that protects the antenna pattern on the upper side of the base film, and a film antenna body coated with an adhesive on the lower side and a transparent protective film. Provided as a film antenna assembly comprising an applicator (film sheet) attached over and a separator attached over an adhesive application surface. When the film antenna body is attached to the windshield, the separator and the film sheet are removed from the film antenna assembly.

  When sticking a film antenna to a windshield of an automobile, first, a marking tape for determining the position of the film antenna is stuck from the outside of the windshield. The position where the marking tape is applied is indicated by the dimension from the reference position of the automobile. Next, the separator is peeled off from the film antenna assembly to expose the adhesive, and the edge of the film sheet is aligned with the marking tape from the passenger compartment side of the windshield, and the film antenna is pasted while pressing the film antenna. The film antenna is attached to the windshield by peeling off the film sheet when it is pasted and pressing the film antenna body remaining on the windshield.

  As shown in FIG. 1 (a), the conventional film antennas only have to be attached to a total of two film antennas f1 and f2, one on the left upper part and one on the right upper part of the windshield 1 of the automobile. . However, recently, since the types of antennas mounted on the film antenna have increased, as shown in FIG. 1 (b), two film antennas F1 and F2 are pasted on the upper left side of the windshield 1, and the upper right side is placed. Two film antennas F3 and F4 are pasted.

  As described above, when two film antennas F1 and F2 or film antennas F3 and F4 are attached adjacent to the left or right side of the windshield 1, the adjacent film antennas need to be attached at a certain distance or more. There is. The reason for this is to avoid interference between antenna elements in adjacent film antennas.

  Here, a method in the case where two film antennas are attached to the upper part of the left side or the right side of the windshield 1 with a certain distance or more will be described. As shown in FIGS. 2A and 2B, the first method is a film antenna F2 among film antenna assemblies FA1 and FA2 including two film antennas F1 and F2 to be attached adjacent to the windshield. An extension portion 7E extending to the other film antenna assembly FA1 side is formed on the film sheet 7 of the film antenna assembly FA2 including, and the end portion of the extension portion 7E is abutted against the other film antenna assembly FA1. In this method, a certain distance is provided between the two film antennas F1 and F2.

  FIG. 2C shows a general configuration of the film antenna assembly FA in cross section. The film antenna assembly FA includes a base film 2, a conductive antenna conductor 3 formed on the upper surface of the base film 2 (for example, formed of a silver paste in which silver and resin are mixed) and a transparent protection for protecting the antenna conductor 3. A film antenna body FB composed of a material 4 and an adhesive 5 applied to the lower surface of the base film 2, a film sheet 7 removably attached to the upper surface of the transparent protective material 4 of the antenna conductor 3, and It consists of a separator 6 which is releasably attached on the adhesive 5.

  The structure of the film antenna main body FB is well known, and the subject of the present application is not the structure of the film antenna main body FB. Therefore, in the following description, the film antenna main body FB is simply referred to as the film antenna F. According to the mounting position on the windshield, numbers are added and distinguished as film antennas F1 and F2. Therefore, the film antenna assembly FA is an assembly including the film antenna F, the film sheet 7 and the separator 6.

  In the second method, as shown in FIG. 2 (d), the two film antennas F1 and F2 are separated from each other by a certain distance and are held on one horizontally long film sheet 7 so as to be a film antenna assembly. This is a method of forming FA. In the film antenna assembly FA in this method, an adhesive portion 7A for temporary fixing (possible to reattach) is provided at one end portion of the film sheet 7. And after sticking this adhesive part 7A for temporary fixing to a windshield first and determining an antenna position, the adhesive 6 which cannot peel off and peel off by separating the separator 6 is exposed, and two film antennas F1 and F2 are attached. Each is pasted on the windshield and finally the film sheet 7 is peeled off.

JP 2006-270602 A

  However, in the first method, the degree of the curve of the upper part of the windshield differs depending on the vehicle, and the end surface of the extension 7E of the film sheet 7 is linear, so as shown in FIG. When the extension portion 7E of the film sheet 7 of the other film sheet assembly FA2 is aligned with the end of the pasted film antenna assembly FA1, the other film antenna assembly FA2 is inclined with respect to the black ceramic line 9 of the windshield 1. There was a problem.

  Further, in the second method, since there is a temporary fixing adhesive portion 7A that can be re-attached to the end of the film sheet 7, the lateral length of the film antenna assembly 7A is increased, and the film antenna assembly is shipped at the time of factory shipment. There was a problem that the size of the case accommodating 7A was increased and the cost was increased.

  Accordingly, an object of the present invention is to provide a film antenna assembly that can reduce the cost of the film antenna when two film antennas are mounted side by side on the left or right side of the windshield of an automobile. In addition, the present invention provides a film antenna mounting method in which two film antennas can be easily and surely mounted side by side on the left or right side of an automobile windshield using the film antenna assembly. The purpose is to do.

  A film antenna assembly according to a first aspect of the present invention that achieves the above object is a film antenna assembly configured such that two film antennas can be independently attached to a fixed window glass of a vehicle. At least one antenna pattern is formed on the upper surface of the film, an adhesive is applied to the lower surface, and a separator covering the adhesive is attached, and at least one antenna pattern on the upper surface of the base film And a second film antenna having a lower surface coated with an adhesive and attached with a separator covering the adhesive, and an upper side of the antenna pattern. The first and second film antennas are separated by a predetermined distance. And a film sheet that is temporarily fixed in a state of being spaced apart from each other. The Rumushito, is characterized in that the first and second positional relationship between the film antenna notch capable fine adjustment is provided.

  A film antenna assembly according to a second aspect of the present invention that achieves the above object is a film antenna assembly configured such that two film antennas can be independently attached to a fixed window glass of a vehicle. At least one antenna pattern is formed on the upper surface of the film, an adhesive is applied to the lower surface, and a separator covering the adhesive is attached, and at least one antenna pattern on the upper surface of the base film And a second film antenna having a lower surface coated with an adhesive and a separator covering the adhesive, and an upper side of the antenna pattern. The first and second antennas are separated by a predetermined distance. A film sheet that is temporarily fixed in a separated state. First bets and the portion between the second film antenna, the temporary fixing can a film sheet window glass is characterized in that the adhesive portion is provided.

  The film antenna mounting method according to the first aspect of the present invention for achieving the above object is a film antenna assembly in which a portion between the first and second film antennas of the film sheet is configured to be detachable. A method for attaching a film antenna included to a fixed window glass of a vehicle, wherein a marking tape is attached to a predetermined position of the window glass from the outside of the window glass, and between the first and second film antennas of the film sheet Are cut off, the separator of the first film antenna is peeled off, the left and right ends of the film sheet of the first film antenna are aligned with the marking tape, and the upper end of the film sheet of the first film antenna The first film antenna is attached to the window glass along the upper end of the window glass, and the second film The cut portion of the film sheet of the antenna is abutted against the left and right end portions of the film sheet of the first film antenna, and in this state, the upper end portion of the film sheet of the second film antenna is placed along the upper end portion of the window glass The second film antenna is positioned, and in this state, the separator of the second film antenna is peeled off, the second film antenna is attached to the window glass, and finally the film sheet is peeled off from the first and second film antennas. This is a method for attaching a film antenna.

  According to a second aspect of the present invention for achieving the above object, the film antenna is attached to a window glass fixed to a vehicle in a portion between the first and second film antennas of the film sheet. When the adhesive part that can be temporarily fixed is provided and the adhesive part is provided with a predetermined width on the lower end part side of the film sheet with a length that is less than half of the distance from the upper end part to the lower end part of the film sheet A method of attaching a film antenna included in a film antenna assembly to a window glass of a vehicle, wherein a marking tape is attached to a predetermined position of the window glass from the outside of the window glass, and the adhesive paper is exposed by peeling off the release paper, and the film Curve the adhesive part side of the sheet and slide the upper end side of the film sheet on the window glass with the vicinity of the adhesive part floating from the window glass. The first and second film antennas that are attached are aligned with the marking tape and the upper end of the window glass, and after the alignment is completed, the adhesive part side of the film sheet is brought closer to the window glass and the adhesive part is opened. Temporarily fixed to the glass, the separator is peeled off from the first and second film antennas in the temporarily fixed state, the first and second film antennas are attached to the window glass, and finally from the first and second film antennas. A film antenna mounting method characterized by peeling a film sheet.

  According to the film antenna assembly of the present invention, the cost of the film antenna assembly can be reduced when two film antennas are mounted side by side above the left or right side of the windshield or rear glass that is a fixed window glass of the vehicle. There is an effect that can be. Further, according to the method for attaching a film antenna of the present invention, two film antennas are easily and surely attached side by side on the left or right side of a vehicle windshield or rear glass using a film antenna assembly. Can do.

  Embodiments of a film antenna assembly and a film antenna attachment method according to the present invention will be described below in detail with reference to the accompanying drawings based on specific examples in the case where the film antenna is installed on a windshield of an automobile. . The same components as those of the conventional film antenna assembly described with reference to FIGS. 1 and 2 will be described with the same reference numerals.

  FIG. 3A shows the configuration of the film antenna assembly FAL1 of the first embodiment of the present invention for the left side of the windshield of an automobile. As shown in (b), the film antenna assembly FAL1 includes a horizontally long film sheet 7, a film antenna F1 and a film antenna F2 held by the film sheet 7, and a single separator 6. For example, the film antenna F1 is provided with an antenna for GPS and a TV, and the film antenna F2 is provided with an antenna for TV.

  In the film antenna assembly FAL1 of the first embodiment, a notch 63 is provided in the separator 6 between the film antenna F1 and the film antenna F2. This cut 63 is a perforated cut. In this embodiment, the film antenna assembly FAL1 holds two film antennas, ie, the film antenna F1 and the film antenna F2. However, the film antenna assembly may hold three or more film antennas. In that case, a cut is provided in each separator between the film antennas.

  Even when two antenna elements F1 and F2 are arranged on one film sheet 7, a perforation 63 is put in the separator 6 between the film antennas F1 and F2 so that the separator 6 can be divided. For example, if the separator 6 on the film antenna side to be attached is divided by the perforation 63 and removed, only the film antenna to be attached can be attached to the windshield.

  FIG. 4A shows the configuration of the film antenna assembly FAL2 of the second embodiment of the present invention for the left side of the windshield of an automobile. In the film antenna assembly FAL2, as shown in FIG. 5B, the horizontally long film sheet 7 and the separator 61 are attached to the film antenna F1 that is held by the film sheet 7 and the separator 62 is attached to and held by the film sheet 7. And a film antenna F2. For example, the film antenna F1 is provided with an antenna for GPS and a TV, and the film antenna F2 is provided with an antenna for TV.

  In the film antenna assembly FAL2 of the second embodiment, a notch 8 is provided in the film sheet 7 in a portion between the film antenna F1 and the film antenna F2. This cut 8 is a perforated cut. In this embodiment, the film antenna assembly FAL2 holds two film antennas, the film antenna F1 and the film antenna F2. However, the film antenna assembly may hold three or more film antennas. In that case, cuts 8 are respectively provided in the film sheets between the film antennas.

  Even when two antenna elements F1 and F2 are arranged on one film sheet 7, a perforation 8 is put in the film sheet 7 between the film antennas F1 and F2 so that the film sheet 7 can be divided. Then, if the film antenna side separator to be attached is removed and attached to the windshield and the film sheet 7 is cut at the perforation, only the film antenna to be attached can be attached to the windshield.

  FIG. 5 (a) shows the configuration of a film antenna assembly FAL3 of the third embodiment of the present invention for the left side of a car windshield. The film antenna assembly FAL3 includes a horizontally long film sheet 7, a film antenna F1 and a film antenna F2 held by the film sheet 7, and two separators attached to each of the film antennas F1 and F2, as in the previous embodiment. 61, 62. FIG. 5B shows a modification of the film antenna assembly FAL3 in FIG. 5A, and the only difference is the shape of the film sheet 7. FIG.

  In the film antenna assembly FAL3 of the third embodiment, the film sheet 7 has a cut C1 from the lower end of the film antenna F1 toward the upper end along the antenna element, and the upper end of the film antenna F1 from the lower end of the film antenna F2. An incision C <b> 2 toward the part is provided. As a result, the film sheet 7 is connected via the connecting portion 71 at the upper end portion of the film antenna F1. Moreover, the separator 62 of the film antenna F2 is not provided over the entire surface of the film sheet 7, and is not provided in the vicinity of the film antenna F1. The portion where the separator 62 is not provided corresponds to the extension portion 7E of the film sheet 7 described with reference to FIG.

  Since the connecting portion 71 of the film sheet 7 is thin, the film antenna F2 can be swung with respect to the film antenna F1 as shown by a two-dot chain line in FIG. That is, the position of the film antenna F2 can be adjusted with respect to the film antenna F1.

  The film antenna assembly FAL3 of the modification of the third embodiment shown in FIG. 5B is different from the film antenna assembly FAL3 of the third embodiment shown in FIG. 5A only in the shape of the cut portion. In the third embodiment, the cuts C1 and C2 are provided only on the lower side of the film sheet 7. However, in the modified example of the third embodiment, the cuts C3 and C4 are provided on the upper side of the film sheet 7. Yes. Further, the cut C2 of the third embodiment is linear, but the cut C2 of the modification of the third embodiment has a complicated shape including an arc shape.

  That is, in the film antenna assembly FAL3 of the modified example of the third embodiment, the cut C3 is provided on the extended line of the cut C1 from the upper side of the film antenna F1 so as not to reach the cut C1. Further, an arc-shaped cut C4 is provided from the upper side of the film antenna F2, and a portion of the cut C2 facing the cut C4 has a similar arc shape. As a result, the film sheet 7 is connected via the connecting portion 71 left by the cuts C1 to C4. Further, the separator 62 of the film antenna F2 is not provided in the above-described extension portion 7E of the film sheet 7.

  Since the connecting portion 71 of the film sheet 7 is thin, the film antenna F2 can be swung with respect to the film antenna F1 as shown by a two-dot chain line in FIG. That is, the position of the film antenna F2 can be adjusted with respect to the film antenna F1.

  FIGS. 6A and 6B show the film antenna assembly FAL31 and the film antenna assembly FAL32 in a state where the connecting portion 71 of the film antenna assembly FAL3 shown in FIG. The film antenna assembly FAL31 and the film antenna assembly FAL32 in this state are equivalent to those in which the distal end portion of the extension portion 7E of the film sheet 7 of the conventional film antenna assembly FA2 described with reference to FIG. In addition, the shape of the front-end | tip part of the extension part 7E of the film sheet 7 may be a triangular shape as shown in FIG. 6D or an elliptical shape as shown in FIG.

  When the film antennas F1 and F2 are attached to the windshield using the film antenna assembly FAL3 of the third embodiment or the film antenna assemblies FAL31 and FAL32, the film is first applied to the windshield 1 as shown in FIG. The antenna F1 is attached to the black ceramic line 9 in advance. In this state, the film antenna assembly FAL3 or FAL32 is moved around the connecting portion 71 described with reference to FIGS. 5A and 5B, or the extension portion 7E of the film sheet 7 shown in FIG. The film antenna F1 is swung in the vertical direction while being abutted against the film antenna F1, and the antenna element on the upper end side of the film antenna F2 is positioned so as to be parallel to the black ceramic line 9, and then attached to the windshield 1. At this time, the adhesive portion 7A may be formed at the end of the film antenna assembly FAL32 so that the film antenna assembly FAL32 can be temporarily fixed on the windshield.

  FIG. 7 (a) shows the configuration of a film antenna assembly FAL4 of the fourth embodiment of the present invention for the left side of an automobile windshield, and FIG. 7 (b) is an exploded view of the film antenna assembly FAL4 of FIG. And seen from below. As shown in (b), the film antenna assembly FAL4 includes a film antenna F1 that is attached so that the horizontally long film sheet 7 and the separator 61 cover the adhesive 5 and is held by the film sheet 7, and the separator 62 is an adhesive. 5 and a film antenna F2 attached to the film sheet 7 and held by the film sheet 7.

  In the film antenna assembly FAL4 of the fourth embodiment, an adhesive portion 72 is provided on the back surface of the film sheet 7 between the film antenna F1 and the film antenna F2 from the upper end portion to the lower end portion. A release paper 73 is attached to the adhesive portion 72. In this embodiment, the film antenna assembly FAL4 holds two film antennas, ie, the film antenna F1 and the film antenna F2. However, the film antenna assembly may hold three or more film antennas. In that case, the adhesive part 72 and the release paper 73 are provided on the back surface between the film antennas, respectively.

  When the film antenna assembly FAL4 of the fourth embodiment is used and the film antennas F1 and F2 are attached to the windshield of the automobile, the release paper 73 is peeled off about half from the lower end side of the adhesive portion 72, and the film antenna assembly is removed. While bending the lower end portion side of the FAL4, the upper end portion of the film antenna assembly FAL4 is slid on the windshield to position the film antennas F1 and F2 on the windshield. When the position is determined, the lower end side of the film antenna assembly FAL4 is stopped and the exposed adhesive part 72 is attached to the windshield, and the release paper 73 is peeled off to the upper end part so that the entire surface of the adhesive part 72 is applied to the windshield. paste. Thereafter, the right separator 61 or the left separator 62 of the adhesive portion 72 is peeled off, the film antennas F1 and F2 are bonded onto the windshield, and finally the film sheet 7 is peeled off.

  FIG. 8A shows the configuration of the film antenna assembly FAL5 of the fifth embodiment of the present invention for the left side of the windshield of an automobile, and FIG. 8B is an exploded view of the film antenna assembly FAL5 of FIG. And seen from below. As shown in (b), the film antenna assembly FAL5 has a horizontally long film sheet 7 and a separator 61 attached so as to cover the adhesive 5 and held on the film sheet 7, and the separator 62 is an adhesive. 5 and a film antenna F2 attached to the film sheet 7 and held by the film sheet 7.

  In the film antenna assembly FAL5 of the fifth embodiment, an adhesive portion 74 is provided on the back surface of the film sheet 7 between the film antenna F1 and the film antenna F2 over a predetermined range from the lower end portion toward the upper end portion. It has been. A release paper 75 is attached to the adhesive portion 74. In this embodiment, the film antenna assembly FAL5 holds two film antennas, the film antenna F1 and the film antenna F2. However, the film antenna assembly may hold three or more film antennas. In that case, the adhesion part 74 and the release paper 75 are provided in the back surface between film antennas, respectively.

  The size of the adhesive portion 74 may be a size that can exert an adhesive force such that the film antenna assembly can be temporarily fixed on the windshield, and the shape may not be rectangular. Also, the number may not be one, and a plurality of small adhesive portions may be provided. The size of the rectangular adhesive portion 74 shown in FIG. 8A is, for example, 20 mm when the width of the film antenna assembly is about 300 mm and the length of the height direction is about 120 mm. If the length in the vertical direction is about 40 mm, it is sufficient.

  The procedure for attaching the film antennas F1 and F2 to the windshield 1 of the automobile using the film antenna assembly FAL5 of the fifth embodiment will be described in detail with reference to FIGS. 9 (a) to 11 (c). FIG. 9A shows a first procedure. In the first procedure, the release paper 75 is peeled off from the adhesive portion 74 provided on the film sheet 7 of the film antenna assembly FAL5. In the second procedure shown in FIG. 9B, the side having the adhesive portion 74 of the film sheet 7 is curved as shown in FIG. 9C to be separated from the glass surface of the windshield 1, and the adhesive portion Positioning is performed by sliding on the windshield 1 so that the opposite side is aligned with the marking tape 10 and the black sera line 9 in a state where 74 is lifted.

  FIG. 10A shows a state where the second procedure described with reference to FIGS. 9B and 9C is completed and the adhesive portion 74 of the film sheet 7 is temporarily fixed to the windshield 1. In the third procedure shown in FIG. 10B, the film sheet 7 on the right side of the adhesive portion 74 is turned and bent from the state of FIG. 10A, and the separator 62 is peeled off from the film antenna F2 to expose the adhesive. . In the third procedure, the film sheet 7 is then bent back and the adhesive is applied to the windshield 1.

  The fourth procedure shown in FIG. 11 (a) is performed after the third procedure in FIG. 10 (b). The film sheet 7 on the left side of the adhesive portion 74 is turned and bent, and the film antenna F1 is separated from the separator 61. To expose the adhesive. In the fourth procedure, the film sheet 7 is then bent back and the adhesive is affixed to the windshield 1. FIG. 11B shows a fifth procedure, in which the film sheet 7 holding the two film antennas F1 and F2 attached to the windshield 1 through the fourth procedure is removed. FIG. 11C shows a state in which two film antennas F1 and F2 are attached side by side to the windshield 1 by the above procedure.

  As described above, in the method for attaching the film antenna of the present invention, as in the past, it takes time and effort such as pasting, position confirmation, peeling, pasting, position confirmation, peeling, etc. In addition, it is possible to mount the two film antennas side by side in the desired position accurately and quickly in order to slide the film antenna assembly over the windshield.

  In the first to fifth embodiments described above, the film antennas F1 and F2 installed side by side on the upper left side of the windshield of the automobile have been described. However, the film antenna of the present invention is located on the upper right side of the windshield of the automobile. It can also be applied when installed side by side. An embodiment in this case will be briefly described with reference to FIG. 12 as film antennas F3 and F4, which are film antennas arranged side by side on the right upper portion of the windshield of an automobile.

  FIG. 12A shows a configuration of a film antenna assembly FAR2 for the right side corresponding to the film antenna assembly FAL2 of the second embodiment of the present invention for the left side of the windshield of the automobile shown in FIG. 4A. It is shown. A cut 18 provided in the film sheet 17 corresponds to the cut 8 shown in FIG.

  FIG. 12B shows a configuration of a film antenna assembly FAR3 for the right side corresponding to the film antenna assembly FAL3 of the third embodiment of the present invention for the left side of the windshield of the automobile shown in FIG. 5B. It is shown. The cuts C5 to C8 provided in the film sheet 17 correspond to the cuts C1 to C4 shown in FIG.

  FIG. 12C shows a configuration of a film antenna assembly FAR5 for the right side corresponding to the film antenna assembly FAL5 of the fifth embodiment of the present invention for the left side of the windshield of the automobile shown in FIG. 8A. It is shown. The adhesive portion 76 provided on the film sheet 17 corresponds to the adhesive portion 74 shown in FIG.

  In the above-described embodiment, the installation location of the film antenna to be attached side by side is described as the windshield of the automobile. However, the present invention can be applied to any fixed window such as a rear glass or a side glass. And it goes without saying that the film assembly and the film antenna mounting method of the present invention can also be applied to a case where three or more film antennas are attached side by side. Moreover, it is applicable also to the windshield and other glass windows of vehicles other than a motor vehicle as a vehicle.

(A) is a perspective view of a conventional automobile windshield in which one film antenna is attached to each of the left and right upper ends of the windshield and the surroundings as viewed from the vehicle interior side, and (b) is a left and right view of the windshield. It is the perspective view which looked at the windshield and the circumference | surroundings of the motor vehicle which this invention is symmetrical to which this invention attached two film antennas side by side at the upper end part from the vehicle interior side. (A) is a plan view showing the outer shape of one film antenna assembly of the two film antennas mounted side by side as shown in FIG. 1 (b), and (b) is the side-by-side attachment shown in FIG. 1 (b). The top view which shows the external shape of the other film antenna assembly of the two obtained film antennas, (c) is a fragmentary sectional view which shows the structure of the film assembly provided with the film antenna shown to (a), (b) (D) is a top view which shows another example of the film antenna assembly for affixing the two film antennas attached side by side shown in FIG.1 (b), (d) is (a), (b) It is a figure explaining the problem in the case of attaching two film antennas to a windshield using the film antenna assembly shown in FIG. (A) is a top view of the film antenna assembly of the 1st Example of this invention for the left side of the windshield of a motor vehicle, (b) is an assembly perspective view of the film antenna assembly of (a). (A) is a top view of the film antenna assembly of the modification of the 1st Example for the left side of the windshield of a motor vehicle, (b) is an assembly perspective view of the film antenna assembly of (a). (A) is a top view of the film antenna assembly of the 3rd Example of this invention, (b) is a top view of the modification of the film antenna assembly of (a). FIG. 5A is a plan view of one film antenna assembly from which the film antenna assembly shown in FIG. 5B is cut off, and FIG. 5B is the other film antenna assembly from which the film antenna assembly shown in FIG. (C) is an explanatory view showing a mounting method for attaching the film antenna to the windshield using the film antenna assembly of the second embodiment, and (d) is a film of the film antenna assembly shown in (b). FIG. 6E is a partial view showing another shape of the extension portion of the sheet, and FIG. 5E is a partial view showing still another shape of the extension portion of the film sheet of the film antenna assembly shown in FIG. (A) is a top view of the film antenna assembly of the 4th Example of this invention, (b) is an assembly perspective view of the film antenna assembly of (a). (A) is a top view of the film antenna assembly of the 5th Example of this invention, (b) is an assembly perspective view of the film antenna assembly of (a). FIG. 9 illustrates a method for attaching a film antenna using a film antenna assembly according to a sixth embodiment of the present invention, wherein (a) is a first example in which a release paper is peeled from an adhesive portion provided on a film sheet of the film antenna assembly. FIG. 4B is a diagram for explaining the procedure of FIG. 5B. The side of the film sheet having the adhesive portion is curved and separated from the glass surface of the windshield, and the opposite side is aligned with the marking tape and the black sera line. The figure explaining the 2nd procedure made to slide on, (c) is a side view of (a). The film antenna mounting method using the film antenna assembly of the fifth embodiment of the present invention will be described. (A) is the second procedure described in FIGS. 9 (b) and (c). The top view which shows the state by which the adhesion part of the film sheet was temporarily fixed to the windshield, (b) turned the film sheet of the right side of an adhesion part from the state of (a), peeled off a separator from a film antenna main body, and was an adhesive agent It is a figure explaining the 3rd procedure which exposes and attaches an adhesive agent to a windshield after this. The film antenna assembly method using the film antenna assembly according to the fifth embodiment of the present invention will be described. (A) is performed after the third procedure in FIG. The figure explaining the 4th procedure of turning the film sheet on the left side, peeling the separator from the film antenna body to expose the adhesive, and then sticking the adhesive on the windshield, (b) through the 4th procedure The figure explaining the 5th procedure which removes the film sheet holding two film antennas stuck on a windshield, (c) is two film antennas stuck along with a windshield by the above procedure. FIG. (A) The top view of the film antenna assembly for the right side corresponding to the film antenna assembly of the 2nd Example of this invention for the left side of the windshield of a motor vehicle, (b) The book for the left side of the windshield of a motor vehicle The top view of the film antenna assembly for the right side corresponding to the film antenna assembly of 3rd Example of this invention, (c) corresponds to the film antenna assembly of 5th Example of this invention for the left side of the windshield of a motor vehicle It is a top view of the film antenna assembly for right side to do.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Windshield 2 Base film 3 Antenna conductor 4 Transparent protective material 5 Adhesive 6, 61, 62 Separator 7, 17 Film sheet (applicator)
7E Extension part 8, 18 Cut 9 Black Ceraline 10 Marking tape 71 Contact part 72, 74, 76 Adhesive part 73, 75 Release paper C1-C8 Cut FA Film antenna assembly

Claims (10)

A film antenna assembly configured such that two film antennas can be independently attached to a fixed window glass of a vehicle,
A first film antenna having at least one antenna pattern formed on the upper surface of the base film, an adhesive applied to the lower surface, and a separator covering the adhesive attached;
At least one antenna pattern is formed on the upper surface of the base film, an adhesive is applied to the lower surface, and a second film antenna to which a separator covering the adhesive is attached;
A film sheet superposed on the upper side of the antenna pattern, and temporarily fixed in a state where the first and second film antennas are separated by a predetermined distance;
A film antenna assembly, wherein the film sheet is provided with a cut capable of finely adjusting a positional relationship between the first and second film antennas.   2. The film antenna assembly according to claim 1, wherein the notch is a perforation that bisects the film sheet provided in a portion of the film sheet between the first and second film antennas. . The first cut in which the cut is cut from the lower side of the window glass to the vicinity of the upper end of the first film antenna in parallel with the end of the first film antenna on the second film antenna side. And a second cut from the terminal end of the first cut toward the lower end of the second film antenna on the first film antenna side,
The second film antenna is configured to be swingable with respect to the first film antenna about a portion between the first and second film antennas of the film sheet. The film antenna assembly according to claim 1. The notch is
A first notch cut from the lower side of the window glass to the vicinity of the upper end of the first film antenna in parallel with the end of the first film antenna on the second film antenna side;
A second cut from the terminal end of the first cut toward the lower end of the second film antenna on the first film antenna side;
A third notch cut from the upper side of the window glass to the vicinity of the terminal end of the first notch in parallel with the end of the first film antenna on the second film antenna side;
A fourth cut from the terminal end of the third cut toward the upper end of the film sheet,
The second film antenna is configured to be swingable with respect to the first film antenna about a portion between the first and second film antennas of the film sheet. The film antenna assembly according to claim 1.   5. The film antenna assembly according to claim 4, wherein a portion of the film sheet between the first and second film antennas is configured to be detachable. A film antenna assembly configured such that two film antennas can be independently attached to a fixed window glass of a vehicle,
A first film antenna having at least one antenna pattern formed on the upper surface of the base film, an adhesive is applied to the lower surface, and a separator covering the adhesive is attached;
At least one antenna pattern is formed on the upper surface of the base film, an adhesive is applied to the lower surface, and a second film antenna attached with a separator covering the adhesive;
A film sheet superimposed on the upper side of the antenna pattern, and temporarily fixed in a state where the first and second antennas are separated by a predetermined distance;
The film antenna assembly according to claim 1, wherein an adhesive portion capable of temporarily fixing the film sheet to the window glass is provided in a portion of the film sheet between the first and second film antennas.   The film antenna according to claim 6, wherein the adhesive portion is continuously provided with a predetermined width from the upper end portion to the lower end portion of the film sheet, and the adhesive portion is covered with release paper. Assembly.   The adhesive portion is provided with a predetermined width on the lower end portion side of the film sheet with a length that is half or less of the distance from the upper end portion to the lower end portion of the film sheet, and the adhesive portion is covered with release paper. The film antenna assembly according to claim 6, wherein the film antenna assembly is provided. A method of attaching a film antenna included in the film antenna assembly according to claim 5 to a fixed window glass of a vehicle,
Affixing the marking tape to the predetermined position of the window glass from the outside of the window glass,
Cutting a portion of the film sheet between the first and second film antennas;
The separator of the first film antenna is peeled off, the left and right end portions of the film sheet of the first film antenna are aligned with the marking tape, and the upper end portion of the film sheet of the first film antenna is Affixing the first film antenna to the window glass along the upper end of the window glass,
The cut portion of the film sheet of the second film antenna is abutted against the left and right end portions of the film sheet of the first film antenna, and in this state, the upper end portion of the film sheet of the second film antenna is Positioning the second film antenna along the upper end of the window glass,
In this state, the separator of the second film antenna is peeled off and the second film antenna is attached to the window glass,
Finally, peel off the film sheet from the first and second film antennas.
A method for attaching a film antenna. A method for attaching a film antenna included in the film antenna assembly according to claim 8 to a fixed window glass of a vehicle,
Affixing the marking tape to the predetermined position of the window glass from the outside of the window glass,
Peel off the release paper to expose the adhesive part,
The adhesive sheet side of the film sheet is curved, the upper end part side of the film sheet is slid on the window glass in a state where the vicinity of the adhesive part side is floated from the window glass, and is attached to the film sheet. The first and second film antennas are aligned with the marking tape and the upper end of the window glass,
With the alignment completed, the adhesive part side of the film sheet is brought close to the window glass, and the adhesive part is temporarily fixed to the window glass,
In a temporarily fixed state, the separator is peeled off from the first and second film antennas, and the first and second film antennas are attached to the window glass,
Finally, peel off the film sheet from the first and second film antennas.
A method for attaching a film antenna.

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