SHORT DISTANCE RADIO TELEMETERING OF PHYSIOLOGICAL INFORMATION

Journal/Book: The Journal of The American Medical Association April 4 1959 Vol. L69 pp. 1618-1621. 1959;

Abstract: F. Lowell Dunn M.D. and Harold G. Beenken E.E. Omaha From the Cardiovascular Service Department of Internal Medicine University of Nebraska College of Medicine. Summary A completely transistorized radio transmitter and receiving system operates at 104 megacycles per second. The weight is under 2 lb. without the use of miniature parts. Design is for transmission of up to 10 channels with band widths of 150 to 1 000 cps. The channel reported has a carrier frequency of 2 100 cps and was tested for electrocardiographic recording. Satisfactory calibrated records were obtained with subjects walking and an the treadmill. University of Nebraska College of Medicine 42nd and Dewey Avenue (5) (Dr. Dunn) . This study was supported in Part by grants from the National Heart Institute and the Nebraska Heart Association. Ronald D. Loch supplied technical assistance in this study. ___MH

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