Phase-stabilized, phase-coupled resonant circuit

Details Phase-stabilized, phase-coupled resonant circuit Phase-stabilized, phase-coupled resonant circuit

1989-03-27

1990-05-22

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082554, 34087025, 34087031, 235449, 235492, 235493, H03B 1900, G06K 1906, H04Q 700

Patent

active

049280872

ABSTRACT:
In a system having a mobile part and an immobile part between which data and energy are transmitted, an electronic control for two resonant circuits serve the purpose of transmitting energy to the mobile part. The resonant circuits are driven so that their oscillations have a prescribed phase shift relative to one another. For data transmission to the mobile part, a phase shift is superimposed on the transmitted signal at one resonant circuit. On the basis of the phase relation of the signals relative to one another, the mobile part can identify which resonant circuit is transmitting the data. The oscillation of the resonant circuit that is transmitting new data via the phase shift is used for the formation of the clock signal on the part of the mobile part.

REFERENCES:
patent: 4697183 (1987-09-01), Jenning et al.
patent: 4814595 (1989-03-01), Gilboa
patent: 4857893 (1989-08-01), Carroll

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