"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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| Application No. | Application Title | Issue Date |
| 20100193282 | BROADBAND NOISE RESONATOR An apparatus comprising includes a conduit portion having a conduit inner surface and a conduit outer surface, and a plurality of chambers in fluid communication with the conduit portion. The chambers include a first chamber defined, at least in part, by a first outer h... | 08/05/2010 |
| 20090200104 | DEVICE AND METHOD FOR ATTENUATING ENERGY ALONG A CONDUIT A device for attenuating energy along a conduit, comprising a first member having an essentially semi-cylindrical outer surface and a first cavity extending substantially longitudinally from end to end. A second member having an essentially semi-cylindrical outer surfac... | 08/13/2009 |
| 20060243521 | Muffler with improved heat dissipation A muffler has inner and outer elongated concentric and radially spaced generally cylindrical casings having inlet and outlet ends, and providing an annular chamber therebetween. The outer casing has an inlet opening into the annular chamber adjacent the inlet end of the... | 11/02/2006 |
| 20050279568 | Silencer The invention relates to a silencer comprising an inner component and an outer component surrounding said inner component, said inner component defining an inner wall provided with openings and said outer component defining an outer wall extending along said inner wall.... | 12/22/2005 |