"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 |
| 6933829 | Electrical component having a protective layer An electrical component includes a base, connector elements connected to the base, an intermediate layer on a surface of the base, and a protective layer on the intermediate layer. The intermediate layer and the protective layer are produced from a same material. Th... | 08/23/2005 |
| 6466152 | Resistor cascade for forming electrical reference quantities and analog/digital converter A resistor cascade has a multiplicity of electrical resistors connected in series, and each electrical resistor has at least one single-walled carbon nanotube.... | 10/15/2002 |
| 4152578 | Electric heating elements The novel electric heating element is particularly useful as a water heating element, although its use is not so limited. The element comprises the usual metal-sheathed heater having electrical termination at one end of the sheath. The customary water hea... | 05/01/1979 |
| 4136437 | Method of mounting a potentiometer A method of mounting a potentiometer (pot) on a plate, wherein a hollow cylindrical housing appendage of the pot is positioned through a hole in the plate to the other side thereof. The rotatable shaft of the pot then projects to the said other plate side... | 01/30/1979 |
| 4001547 | Electric heating elements Our invention relates to electric heating elements for heating liquid within a tank, and particularly to heating elements for use in domestic commercial water tanks, wherein the element comprises a metal mounting member secured to the wall of the tank and... | 01/04/1977 |
| 3997760 | Electric heating element with bulkhead mounting means An electric resistance heating element for use in appliances such as dishwashers includes a mounting grommet having a resilient body portion sized to be forcibly urged through an aperture formed in a bulkhead of the appliance. A neck portion formed integr... | 12/14/1976 |
| 3934116 | Electric heater assemblies The heater assembly comprises a sheathed electric heating element and an elastomeric bushing within a sheath end opening. A mounting flange is rigidly secured to the sheath inwardly of an end, and the bushing is held under longitudinal compression at the ... | 01/20/1976 |