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"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 |
| 5923002 | Acoustical room paneling and method of installation An acoustical diffuser is disclosed for diffusing sound. A preferred diffuser includes a first fibrous material, a first separator layer, a diffuser material a second separator layer, a second fibrous material and an acoustically transparent material. The... | 07/13/1999 |
| 5914439 | Diffusion barrier for bores of glass fiber spinners providing high corrosion and oxidative resistance at high temperatures A durable, corrosion-resistant glass fiber spinner is prepared by applying as a barrier layer a uniform layer of an alloy, compatible with the material of the spinner, on the walls of the spinner bores. A layer of platinum group metal is applied over the ... | 06/22/1999 |
