NASA NTRS · 19730000320
Eight-channel telephone telemetry system
Abstract
Portable telemetry system uses conventional telephone link which eliminates mailing or messenger service between physician and analyst. Transmitter is used by physician; receiver is used by analyst. Each unit is inductively coupled to its respective telephone set, transmitter converting EEG into audio frequency and receiver converting this frequency back to EEG.
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Smith, R., Carr, T.. 1973-09-01. Eight-channel telephone telemetry system. https://ntrs.nasa.gov/citations/19730000320
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