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Secret signaling system with means for preventing key disclosure
Secret signaling system with means for preventing key disclosure
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机译:具有防止密钥泄露的装置的秘密信令系统
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摘要
1. In a signaling system for transmitting with secrecy signals of varying amplitude, means to encipher said signals comprising means to produce variable key currents and means to combine said signals with said key currents to produce for transmission combination signal and key currents, and means to modify the variable key current that is sent whenever the signal has zero value.
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