Electrical field sensing and transmitting apparatus

Details Electrical field sensing and transmitting apparatus Electrical field sensing and transmitting apparatus

1975-12-22

1977-05-24

Caldwell, John W.

Communications: electrical

Digital comparator systems

244 32, 324 72, 325113, 343706, G08C 1700, H04B 1034

Patent

active

040259137

ABSTRACT:
A pair of conductive spherical shells are carried by a balloon or other means into an electrical field which induces equal and opposite charges on the shells. Rotation of the shells causes the charges to alternate. The alternating sinusoidal charge is applied to an amplifier and the amplified output modulated and applied to a transmitter. The spherical shells become a telemetry antenna for transmitting the sensed electrical field information to a remote receiver.

REFERENCES:
patent: 674427 (1901-05-01), Palencsar
patent: 911260 (1909-02-01), Pennock
patent: 2409155 (1946-10-01), Schellens et al.
patent: 3273066 (1966-09-01), Ruhnke
patent: 3458805 (1969-07-01), Kasemir
patent: 3614031 (1971-10-01), Demboski
patent: 3925726 (1975-12-01), Few
Runnalls, "Bluebird Racer's Telemetry System," Electronics, Oct. 28, 1960, p. 70-72.

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