초록 ▼

An apparatus and method for transmitting and receiving signals includes an analyzer, for decomposing an input signal into a plurality of signals with each one of the plurality of signals occupying one of a corresponding plurality of channels and a synthesizer, having a plurality of channels with eac

An apparatus and method for transmitting and receiving signals includes an analyzer, for decomposing an input signal into a plurality of signals with each one of the plurality of signals occupying one of a corresponding plurality of channels and a synthesizer, having a plurality of channels with each channel adapted to receive one of the plurality of analyzer signals, for combining the plurality of signals to reconstruct the input signal.

대표청구항 ▼

[ What is claimed is:] [1.] A signal encryptor having an input port and an output port, said signal encryptor comprising:an analyzer, for decomposing an input signal into a plurality of analyzer signals with at least one of said plurality of analyzer signals representative of a first characteristic

[ What is claimed is:] [1.] A signal encryptor having an input port and an output port, said signal encryptor comprising:an analyzer, for decomposing an input signal into a plurality of analyzer signals with at least one of said plurality of analyzer signals representative of a first characteristic of said input signal and at least one of said plurality of analyzer signals representative of a second different characteristic of said input signal and wherein each of said at least one analyzer signals representative of the second different characteristic of said input signal do not vary in response to changes in said input signal amplitude;an encryptor circuit, coupled to said analyzer, said encryptor circuit, for modifying at least one of the at least one analyzer signals representative of the second different characteristic of said input signal; anda synthesizer, coupled to said analyzer, for receiving each of the plurality of analyzer signals fed thereto and for combining the plurality of analyzer signals into a reconstructed output signal corresponding to an encrypted input signal.