JPS61197712U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a plan view of a car equipped with an embodiment of the antenna device according to the invention, FIG. 2 is a view taken from the direction of the arrow in FIG. 8 to 8 are explanatory diagrams showing different modifications of the antenna device according to this invention, and FIGS. 9 a to 9 i show the directivity characteristics in each frequency band of the antenna device in Experimental Example 1 of the above embodiment. The explanatory diagrams shown in FIGS. 10a to 10i are explanatory diagrams showing the directivity characteristics in each frequency band of the antenna device in Experimental Example 2. [Explanation of symbols] A1...First antenna wire, A2...Second antenna wire, 1...Side window panel, 2, 3...Power feeding part, 4...Antenna feeder wire, 5, 6 ...Horizontal antenna wire (antenna wire), 7... Folded wire, 8... Vertical antenna wire.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A pair of power feeding parts for connecting antenna feeder wires are provided on a side window panel located at the rear side of an automobile, and one power feeding part has a power supply part extending in a substantially lateral direction of the side window panel. A first antenna wire including a pair of antenna wires extending along the antenna wire and a folded wire interposed between each antenna wire is provided, and the other power feeding section is provided with a first antenna wire that extends along the side window panel in the substantially vertical and horizontal directions. What is claimed is: 1. An antenna device for an automobile, comprising: a second antenna wire including an antenna wire extending along at least one of the directions. 2. Utility model registration claim 1, characterized in that the tip side of the antenna wire located on the power feeding part side of the first antenna wire is bent along the substantially vertical direction of the side window panel.
An antenna device for an automobile as described in Section 1. 3. An antenna device for an automobile according to claim 1 or 2 of the utility model registration claim, characterized in that a plurality of antenna wires located on the non-power feeding part side of the first antenna wire are provided. 4. Practical use characterized in that the antenna wire constituting the second antenna wire extends substantially along the vertical direction of the side window panel, and its tip side is bent along the substantially horizontal direction of the side window panel. An antenna device for an automobile according to any one of claims 1 to 3 of the patent registration claims. 5. Registration of a utility model characterized in that the second antenna wire is provided with an auxiliary antenna wire extending from at least one of the antenna wire and the power feeding part along the substantially horizontal or vertical direction of the side window panel. An antenna device for an automobile according to any one of claims 1 to 4. 6. The antenna device for an automobile according to any one of claims 1 to 5, wherein each of the antenna wires functions as an antenna for receiving television broadcast waves. 7. An antenna device for an automobile according to any one of claims 1 to 6, which is characterized in that a diversity reception system is configured by combining or selecting antenna wires. 8. A pair of power feeding parts and each antenna wire are respectively provided on the left and right side window panels of the automobile, and a diversity reception system is constructed by combining or selectively using each antenna device. An antenna device for an automobile according to any one of claims 1 to 7 of the utility model registration claims.