Communications: radio wave antennas – Antennas – With vehicle
Patent
1995-03-03
1997-07-08
Le, Hoanganh T.
Communications: radio wave antennas
Antennas
With vehicle
343715, 343888, H01Q 132, H01Q 112
Patent
active
056466366
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to an antenna mounting for attaching an antenna or antenna post to a window of a motor vehicle, said mounting including an antenna attachment plate which is intended to be mounted onto the outer surface of the window, an inner plate which is intended to be mounted onto the inner surface of the window, antenna connecting means and means for connecting a coaxial cable to a receiver/transmitter.
Antenna mountings of this kind are known to the art from U.S. Pat. No. 4,931,806, for instance. In the case of this known antenna mounting, the antenna pole is attached to a mounting plate on the outside of the window by means of a screw connection. The screw connection, the mounting plate and the antenna pole attachment piece are all made of metal. These components are thus exposed to the effect of ambient elements and the antenna pole is easily broken unintentionally by catching in some external object. The metal components are also affected by atmospheric conditions, which may render the screw connection difficult to loosen or remove when wishing to remove the antenna pole.
SUMMARY OF THE INVENTION
An object of the present invention is to simplify the antenna mounting so that while enabling the antenna pole to be easily removed from its mounting it will nevertheless remain safely secured when the vehicle is in use. Neither shall atmospheric conditions have a corrosive effect on the mounting and its components. Another object of the invention is to provide a simple and reliable coupling system between antenna and coaxial cable to the receiver/transmitter such as to take-up the minimum of space. The antenna mounting shall thus not be bulky or require excessive window space.
These objects are achieved in accordance with the invention with an antenna mounting having the characteristic features set forth in the following Claims.
The invention will now be described in more detail with reference to a suitable exemplifying embodiment thereof and also with reference to the accompanying drawings.
BRIEF DESCRIPTION OF DRAWINGS
FIG. 1 illustrates the mounting plate from above and FIG. 2 illustrates the mounting plate from beneath, i.e. towards the side of the plate that lies against the window.
FIG. 3 is a side view of the mounting plate and FIG. 4 is a side view taken at an angle of 90.degree. in relation to the side view of FIG. 3.
FIG. 5 is a side view of the antenna pole and its attachment piece. FIG. 6 illustrates the attachment piece from one side and at an angle of 90.degree. in relation to the view shown in FIG. 5.
FIG. 7 illustrates the inner plate as seen towards the side which lies distal from the window when mounted.
FIG. 8 is a side view of the inner plate.
FIG. 9 is a side view of the inner plate as seen from the left in the plane of the drawing.
FIG. 10 illustrates a printed circuit board as seen from the side thereof which lies against the window and thus against the mounting plate and the antenna.
FIG. 11 illustrates the attachment piece and antenna pole attached to the mounting plate.
DESCRIPTION OF PREFERRED EMBODIMENT
The mounting plate 1 is an integral unit made of an electrically non-conductive material and having a triangular shape in plane. The underside of the plate 1 is flat and is intended to be affixed directly to the window glass with the aid of a suitable fastening means. The mounting plate has an integrated attachment 2 on the side thereof distal from the window glass, this attachment 2 being located centrally of the mounting plate. The attachment 2 is shown in side view in FIG. 3. As will be seen from FIG. 2, the attachment includes two mutually parallel grooves or channels 3 and 4 which extend parallel with the plane of the mounting plate. FIG. 4 illustrates the mounting plate and the attachment from the direction indicated by the arrow IV in FIG. 3. The attachment 2 is intended to carry a removable and slidable attachment piece 5 in which the antenna pole 6 is rigidly fitted, see FIG. 5. The attachment piece 5 includes rails 7
REFERENCES:
patent: 4658259 (1987-04-01), Blaese
patent: 4779098 (1988-10-01), Blaese
patent: 4785305 (1988-11-01), Shyu
patent: 4862183 (1989-08-01), Blaese
patent: 4931806 (1990-06-01), Wunderlich
patent: 4992800 (1991-02-01), Parfitt
patent: 5032846 (1991-07-01), Chang
patent: 5278572 (1994-01-01), Harada et al.
Bergquist H.ang.kan
Engblom Gunnar
Saldell Ulf
Allgon AB
Le Hoanganh T.
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