Pane antenna having at least one wire-like antenna conductor combined with a set of heating wires

Claim 2

A pane antenna system for a very high and/or ultra-high frequency range, comprising a field of parallel heating conductors arranged on a window pane between two transverse busbars, and at least two pane antennas arranged in said field of heating conductors and each including at least one wire-shaped first antenna conductor crossing at right angles to at least a part of said field of heating conductors, in each of said pane antennas said first antenna conductor and said parallel heating conductors being coupled by galvanic connection at a low impedance for an effective frequency range in the region of their crossing points to create a capacitive antenna region adjoining said crossing points, in each of said pane antennas an antenna terminal is provided on said window pane outside said field of heating conductors, in each of said pane antennas a wire-shaped second antenna conductor is provided and connected at one end thereof to one of said antenna terminals and, at the other end thereof, being coupled at a low impedance for said effective frequency range to one of said first antenna conductors.

Claim 3

A pane antenna system as defined in claim 1, wherein each of said antennas has separate capacitive antenna regions which cross the same heating conductors and the distance of each center of the respective capacitive antenna regions from the neighboring busbar amounts to about one-quarter of the total distance between the busbars.

Claim 4

A pane antenna system as defined in claim 1, further comprising a third such antenna.

Claim 5

A pane antenna system as defined in claim 3, wherein said heating field includes two separate partial heating fields each having a separate pair of busbars, and said antennas are distributed between said two partial heating fields and insulated one from each other for high frequencies.

Claim 6

A pane antenna system as defined in claim 1; and further comprising a phase and amplitude weighting network, said antennas being coupled to said phase and amplitude weighting network for providing a desired directional quality of said system.

Claim 7

A pane antenna system as defined in claim 1, where said antennas are coupled to a diversity receiver.

Claim 8

A pane antenna system as defined in claim 1, wherein the antenna terminals are arranged side-by-side.

Claim 9

A pane antenna system for a very high and/or ultra-high frequency range comprising a field of parallel heating conductors arranged on a window pane between two transverse busbars for applying direct current to the heating conductors; and at least two pane antennas arranged in said heating field and each including at least one wire-shaped first antenna conductor crossing at right angles to at least a part of said field of heating conductors, in each of said pane antennas said first antenna conductor and said parallel heating conductors being coupled at low impedance for an effective frequency range in the range of their crossing points to create a capacitive antenna region adjoining said crossing points, each of said pane antennas also having an antenna terminal provided on said window pane outside said field of heating conductors, and a wire-shaped second antenna conductor connected at one end thereof to one of said antenna terminals and, at the other end thereof, being coupled at a low impedance for said effective range to one of said first antenna conductors, sections of said heating conductors between the busbars and the respective capacitive antenna regions and the sections of the heating conductors between the capacitive antenna regions in each of said pane antennas have a meander-like configuration.

Claim 10

A pane antenna system for a very high and/or ultra-high frequency range comprising a field of parallel heating conductors arranged on a window pane between two transverse busbars for applying direct current to the heating conductors; and at least two pane antennas arranged in said heating field and each including at least one wire-shaped first antenna conductor crossing at right angles to at least a part of said field of heating conductors, in each of said pane antennas said first antenna conductor and said parallel heating conductors being coupled at low impedance for an effective frequency range in the range of their crossing points to create a capacitive antenna region adjoining said crossing points, each of said pane antennas also having an antenna terminal provided on said window pane outside said field of heating conductors, and a wire-shaped second antenna conductor connected at one end thereof to one of said antenna terminals and, at the other end thereof, being coupled at a low impedance for said effective range to one of said first antenna conductors, sections of said heating conductors between the busbars and the respective capacitive antenna regions and the sections of the heating conductors between the capacitive antenna regions in each of said pane antennas have a meander-like configuration.

Claim 11

A pane antenna system for a very high and/or ultra-high frequency range comprising a heating field of parallel heating conductors arranged on a window pane between two transverse busbars for applying direct current to the heating conductors, said heating field including two separate partial heating fields each having a separate pair of busbars; and at least three pane antennas arranged in said heating field and distributed between said two partial heating fields and being insulated one from each other for high frequencies, in each of said pane antennas at least one wire-shaped first antenna conductor crossing at right angles to at least a part of said field of heating conductor, in each of said pane antennas said first antenna conductor and said parallel heating conductors being coupled at a low impedance for an effective frequency range in the region of their crossing points to create a capacitive antenna region adjoining said crossing points, each of said pane antennas also having an antenna terminal provided on said window pane outside said field of heating conductors; and a wire-shaped second antenna conductor connected at one end thereof to one of said antenna terminals and, at the other end thereof, being coupled at a low impedance for said effective frequency range to one of said first antenna conductors, one of said partial heating fields including two of said antennas each having separate capacitive antenna regions with a respective center, said separate capacitive antenna regions crossing the same heating conductors so that the respective center of the respective capacitive antenna regions is spaced about one quarter of the total distance between the busbars from the neighboring busbar, and the other partial heating field including one of said antennas in which said capacitive antenna region is located approximately midway between the two busbars, said pane antenna system including an additional antenna mounted on an unused portion of said pane outside said heating fields.

Claim 12

A pane antenna system for a very high and/or ultra-high frequency range comprising a heating field of parallel heating conductors arranged on a window pane between two transverse busbars for applying direct current to the heating conductors, said heating field including two separate partial heating fields each having a separate pair of busbars; and at least three pane antennas arranged in said heating field and distributed between said two partial heating fields and being insulated one from each other for high frequencies, in each of said pane antennas at least one wire-shaped first antenna conductor crossing at right angles to at least a part of said field of heating conductor, in each of said pane antennas said first antenna conductor and said parallel heating conductors being coupled at a low impedance for an effective frequency range in the region of their crossing points to create a capacitive antenna region adjoining said crossing points, each of said pane antennas also having an antenna terminal provided on said window pane outside said field of heating conductors; and a wire-shaped second antenna conductor connected at one end thereof to one of said antenna terminals and, at the other end thereof, being coupled at a low impedance for said effective frequency range to one of said first antenna conductors, one of said partial heating fields including two of said antennas each having separate capacitive antenna regions with a respective center, said separate capacitive antenna regions crossing the same heating conductors so that the respective center of the respective capacitive antenna regions is spaced about one quarter of the total distance between the busbars from the neighboring busbar, and the other partial heating field including one of said antennas in which said capacitive antenna region is located approximately midway between the two busbars, said pane antenna system including an additional antenna mounted on an unused portion of said pane outside said heating fields.