"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| 5253296 | System for resisting interception of information A time segment scrambling information encoding and decoding system wherein a multiplicity of scrambling algorithms are stored in a memory such as a ROM for use during transmission via a chosen medium and a multiplicity of correlated unscrambling algorithm... | 10/12/1993 |