Signal transmission device for electric rotary machine

Details Signal transmission device for electric rotary machine Signal transmission device for electric rotary machine

1978-08-24

1981-02-24

Groody, James J.

Communications: electrical

Continuously variable indicating

With particular transmitter

34087032, 34087019, C08C 1906, C08C 1916

Patent

active

042530890

ABSTRACT:
The rotor of an electric rotary machine is provided with two identical transmitting devices each including an amplitude modulator and a transmitting antenna. One of the modulators modulates a carrier with clock pulses while the other modulator modulates the same carrier with a data signal from the rotor expressed by a binary digital code including pulses identical in both shape and phase to the clock pulses. The transmitting antennas are disposed symmetrically with respect to a receiving antenna located externally of the rotor to induce the two modulated carriers substantially in phase across the receiving antenna.

REFERENCES:
patent: 2921289 (1960-01-01), Eklund et al.
patent: 3032751 (1962-05-01), Hart
patent: 3303701 (1967-02-01), Matsuura et al.
patent: 3530449 (1970-09-01), Andersen
patent: 3641535 (1972-02-01), Knopf
patent: 3863235 (1975-01-01), McKee et al.

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