Conductively coated window pane for rail vehicles

Patent metadata

Field	Value
Publication number	US-11335997-B2
Application number	US-201615768194-A
Country	US
Kind code	B2
Filing date	Oct 11, 2016
Priority date	Oct 16, 2015
Publication date	May 17, 2022
Grant date	May 17, 2022

Abstract

A coated window pane for rail vehicles, wherein the coating is made in a structured and electrically conductive form and includes filtering characteristics for radio signals, where the coating is structured as a conductive periodic grating, in which at least two annular coatings are respectively embedded in the intermediate spaces, the at least two annular coatings are respectively filled by a coated area, and the grating, the annular coatings and the coated areas are separated by insulating regions such that the coated, structured window panes have filtering characteristics such that signals or frequency ranges of signals from and to radio communication systems are arranged outside the vehicle pass through and signals or frequency ranges of signals from and to radio communication devices arranged inside the vehicle are blocked or are greatly attenuated, and such that high requirements with respect to heat shielding and sun shielding properties are also met.

First claim

The invention claimed is:

1. A conductively coated window pane, the coating being made in a structured and electrically conductive form, and including filtering characteristics for radio signals, wherein the coating is structured as a conductive periodic grating, comprising:
at least two annular coatings respectively embedded in intermediate spaces of the coating, the at least two annular coatings being respectively filled by a respective coated area; and
insulating regions which separate each respective conductive periodic grating and which completely surround each respective coated area within the conductively coated window pane, the annular coatings and the coated areas being separated by said insulating regions.

2. The conductively coated window pane as claimed in claim 1 , wherein the coating comprises a metallization.

3. The conductively coated window pane as claimed in claim 1 , wherein the conductive periodic grating is shaped as a rectangular grating.

4. The conductively coated window pane as claimed in claim 2 , wherein the conductive periodic grating is shaped as a rectangular grating.

5. The conductively coated window pane as claimed in claim 1 , wherein the conductive periodic grating is shaped as a hexagonal grating.

6. The conductively coated window pane as claimed in claim 2 , wherein the conductive periodic grating is shaped as a hexagonal grating.

7. The conductively coated window pane as claimed in claim 1 , wherein the coating is also provided with a structure via which visual and thermal properties are changed.

8. The conductively coated window pane as claimed in claim 1 , further comprising:
radio communication equipment comprising a Wireless Local Area Network (WLAN) arranged in an interior of the vehicle.

9. The conductively coated window pane as claimed in claim 1 , wherein signals from radio communication equipment conforming to at least one of Global System for Mobile Communications (GSM), Universal Mobile Telecommunications System (UMTS) and Long-Term Evolution (LTE) mobile radio standards comprise signals which are allowed to pass through the conductively coated window pane.

10. The conductively coated window pane as claimed in claim 1 , wherein a plurality of the conductively coated window pane are arranged in a distributed manner over both longitudinal sides of a vehicle.

11. The conductively coated window pane as claimed in claim 10 , wherein the vehicle comprises a rail vehicle.

12. The conductively coated window pane as claimed in claim 10 , wherein the rail vehicle comprises one of a train and tram.

13. The conductively coated window pane as claimed in claim 1 , wherein the coated window pane is installed in a rail vehicle.

Assignees

• Siemens Ag Oesterreich
• Siemens Mobility Austria Gmbh

Inventors

• Mayer Lukas Walter
• Demmer Andreas
• Madjdi Mehrdad
• Hofmann Andreas
• Schiefer Martin

Classifications

• H01Q1/1271 Primary

  for mounting on windscreens · CPC title

• H01Q1/32

  Adaptation for use in or on road or rail vehicles · CPC title

• H01Q15/0013

  said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective · CPC title

• H01Q1/12 Primary

  Supports; Mounting means · CPC title

• C03C17/06

  with metals (C03C17/34, C03C17/44 take precedence) · CPC title