"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 |
| 7995504 | Locality-based routing table generation Systems and methods storage of adding a node entry to a routing table of an inquiring node of a data network are disclosed herein. An inquire message is transmitted to a publishing node. The publishing node can be configured to publish a routing entry which can be a... | 08/09/2011 |
| 7668121 | Purging of authentication key contexts by base stations on handoff Various embodiments of methods and apparatuses for managing authentication key contexts are described herein. In various embodiments, the methods and apparatuses include purging an authentication key context of a supplicant after handing off the supplicant, even the... | 02/23/2010 |
| 7246161 | Managing method for optimizing capacity of storage In an environment in which storages are intensively collected, many unused areas are generated and no storage resources can be efficiently used as a storage pool. The capacity utilization (data capacity) of a storage device (volume) allocated to a computer is obtain... | 07/17/2007 |
| 7236544 | Enhanced preamble to enable low power detection System and method for enabling the low power detection of a transmitted sequence. A preferred embodiment comprises the replacement of a portion of a preamble (after the application of any needed scrambling) with an expected sequence field (such as the expected seque... | 06/26/2007 |
| 6959014 | Method and apparatus for operating a communication bus Embodiments of the present invention related generally to communication systems. One embodiment contemplates a method for operating a communication bus where the method includes detecting a start of frame symbol on the communication bus; determining a length of the ... | 10/25/2005 |
| 6801815 | Sound and image producing system An amusement system includes a cartridge having memory for storing sound data, a processing system to process the sound data and programming executable by the processing system to produce electrical sound signals representative of sound from the sound data. The syst... | 10/05/2004 |
| 6771611 | Frame generation circuit and method A network transmitter for generating frames of data for transmission is provided. The transmitter includes a frame generation circuit with a register storing a bit sequence corresponding to a network standard training bit sequence. A multiplexer includes a first inp... | 08/03/2004 |
| 6185434 | Antenna filtering arrangement for a dual mode radio communication device A dual mode radio apparatus has an integrated filtering part (51) which includes an antenna port (51a) for connection to an antenna (21), at least one port (51b, 51c, 51d) for connection to each of the system-specific radio-frequency parts (54, 55) of the... | 02/06/2001 |
| 4171467 | Signal multiplexing circuit The disclosed signal multiplexing circuit makes use of a single pair of wires to interface a data and voice communication circuit such as an electronic key telephone (EKT) station set with a central data and voice communication system such as a business c... | 10/16/1979 |