"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 6844823 | Method and apparatus for providing power to a visual messaging system for high-speed networks The present invention a method and apparatus for providing a visual messaging device for use with a high-speed network and an electrical supply system for the visual messaging device. The visual messaging device includes a network interface circuit that receives the... | 01/18/2005 |
| 6774767 | Visual messaging system for high-speed networks The present invention provides a visual messaging device for use with a high speed network. The message data is communicated to the network by a remote device, such as a computer or server. The visual messaging device includes a network interface circuit that receiv... | 08/10/2004 |