"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 5633547 | Magnetic bearing A magnetic thrust bearing (110) comprises a magnet (112) mounted on a shaft (114) and a plurality of equi-angularly spaced superconductors (116) mounted on a static structure (118). Each superconductor (116) is mounted onto the static structure (118) by a... | 05/27/1997 |
| 4303017 | Long stator linear motor without iron In winding the stator of a long stator linear motor without iron, the conductors of the traveling wave winding in the stator are designed as round jacketed lines which are fixed to a non-magnetic winding support by cross-bars and retained in place by hard... | 12/01/1981 |
| 4276832 | Transportation device with an electrodynamic suspension A transportation device with an electrodynamic suspension comprises a motor system, a suspension system, and a transverse stabilization system, the systems being provided with field coils of the motor, levitation and transverse stabilization, arranged on ... | 07/07/1981 |
| 4148260 | High speed transit system A high speed ground transportation system, is suspended in an underground vacuum tube by a frictionless magnetic suspension system and propelled by gravity. The tubes are suspended inside deep underground tunnels from anchor points near each adjacent stat... | 04/10/1979 |
| 4131811 | Traction means with electrodynamic vehicle suspension for high-speed land transport Disclosure is made of a traction means with electrodynamic suspension of a ehicle, intended for high-speed land transport and comprising a synchronous linear motor whose exciting winding is mounted on the vehicle and at the same time serves as the exciting... | 12/26/1978 |
| 3960090 | Linear synchronous motor powered vehicle The vehicle is powered by a linear synchronous motor, The linear synchronous motor comprises a series of field poles fitted on the vehicle body along its total length and a series of magnetic devices being provided along a track on the ground facing these... | 06/01/1976 |