Quotables
"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 |
| 5392353 | Interactive satellite broadcast network Encrypted communications ensure privacy of communications point-to-point in a network of interactive video stations interconnected by a broadcast network. The encryption as a function of personal identity keys uniquely assigned to each station protects pr... | 02/21/1995 |
| 5291554 | Shared-price custom video rentals via interactive TV Movies and like video programs are distributed electronically from a program storage and processing center in encrypted format over a satellite channel upon custom order for private viewing of one paying subscriber or a small group of subscribers. Thus, c... | 03/01/1994 |
| 5257099 | Central data processing station for satellite communication with local area audience response station A network of local area audience response systems is coupled together at a central audience response processing station by a satellite communication system for real time audience response analysis, nationally or internationally. Each local area station an... | 10/26/1993 |
| 5223923 | Cellular repeater stations in a wireless audience response system for satellite communication A network of local area audience response systems is coupled together at a central audience response processing station by means of a satellite communication system for real time audience response analysis, nationally or internationally. Each local area s... | 06/29/1993 |
| 5101267 | Wide area real-time T-V audience polling system with local area stations linked by satellite A network of local area audience response systems is coupled together at a central audience response processing station by means of a satellite communication system for real time audience response analysis, nationally or internationally. Each local area s... | 03/31/1992 |
