Harmonic communication system

Details Harmonic communication system Harmonic communication system

1974-07-01

1976-03-16

Griffin, Robert L.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325 15, 325185, 343 68R, H04B 110

Patent

active

039449289

ABSTRACT:
A communication system comprising a transmitter for radiating a carrier frequency signal, which may be modulated, to a data station. The station includes a rectifier for rectifying the received carrier signal to provide energy to the station elements. A data source at the station produces a data signal representative of the information to be transmitted. A harmonic generator produces harmonics of the carrier signal and the harmonic signal is modulated with the data or information signal. An antenna radiates the modulated harmonic signal to a receiver which demodulates the received signal to extract the information therefrom. Thus, a completely self-contained and economic system is provided, since the carrier signal per se supplies the energy to operate the data station.
Additionally, the communication system may include a carrier signal having an address encoded therein and the station may comprise an address decoder so that only a selected addressed station will transmit the desired data at any one time.

REFERENCES:
patent: 3098971 (1963-07-01), Richardson
patent: 3689885 (1972-09-01), Kaplan et al.
patent: 3713148 (1973-01-01), Cardullo et al.

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