Endoradiosondes: A State of the Art Survey

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Report Number: AMRL TDR 62-122
Author(s): McCally, Michael, Barnard, George W.
Corporate Author(s): Aerospace Medical Research Laboratories
Laboratory: Aerospace Medical Research Laboratories
Date of Publication: 1962-12
Pages: 9
Contract: Laboratory Research - No Contract
DoD Project: 7222
DoD Task: 722201
Identifier: AD0298936

Within the last 5 years endoradiosondes or "radio pills," have been developmed employing tiny transducers and trasmitters which can be swallowed or implanted in man and animals. The present state of the art of these instruments, including design, construction, uses, advantages, and limitations, is reviewed. The literature in this area to date consists largely of suggestions for design principles and considerations in circuitry. There is only the barest amount of useful data on equipment performance, reliability, response linearity, frequency response characteristics, and correlation with proven systems. The endoradiosonde promises to be a useful technique in physiological instrumentation, but much basic development remains to be done before this tool can be useful to any but the bioelectronic specialist.

Provenance: RAF Centre of Aviation Medicine

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