Communication system and apparatus using chip signals

Details Communication system and apparatus using chip signals Communication system and apparatus using chip signals

1990-04-20

1992-05-12

Eisenzopf, Reinhard J.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359181, 370109, 332112, 342132, 375 23, 375 1, H04B 1000

Patent

active

051132788

ABSTRACT:
There are provided a communication system and an apparatus for modulating a communication signal into a chirp signal and executing the communication. In the system, a signal to be transmitted is input, a predetermined analog pattern signal is added to the input signal and is pulse position modulated, the modulated signal is converted into the chirp signal, and the chirp signal is output onto a transmission path. The converted chirp signal can be also converted into an optical signal and the optical signal can be also output onto the transmission path. After the analog or digital input signal was pulse position modulated, by converting the modulated signal into the chirp signal, the analog signal can be also transmitted and received as a chirp signal. Thus, the communication reliability can be assured without being influenced by disturbance noises or irrespective of a limitation of a transmission electric power of the transmission path.

REFERENCES:
patent: 3899429 (1975-08-01), Ueno et al.
patent: 4793000 (1988-12-01), Imano et al.
patent: 4918751 (1990-04-01), Pessot et al.
patent: 4928316 (1990-05-01), Heritage et al.
Electronics, Oct. 7, 1960, pp. 53-57.

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