Respiration data acquisition, conversion and display system

Details Respiration data acquisition, conversion and display system Respiration data acquisition, conversion and display system

1976-07-12

1978-09-26

Howell, Kyle L.

Surgery

Truss

Perineal

128DIG29, 128 205T, 128 2H, A61B 508, A61B 502

Patent

active

041162285

ABSTRACT:
Respiration data is measured and converted into a series of electrical output pulses, the frequency of which is related to the respiration rate. The output pulses trigger "on" and "off" a timing device, and the average time of a respiration cycle is then converted into a respiration rate and displayed. The timing device includes a means for delaying a first specified number of output pulses before beginning the sampling period and registering a count of clock pulses which represents the time period of a second specified number of the output pulses occurring subsequently to the first specified number of output pulses.

REFERENCES:
patent: 3316902 (1967-05-01), Winchel et al.
patent: 3602806 (1971-08-01), Czekajewski
patent: 3661147 (1972-05-01), Mason et al.
patent: 3742937 (1973-07-01), Manuel et al.
patent: 3766908 (1973-10-01), Haynes
patent: 3773038 (1973-11-01), Smith et al.
patent: 3807388 (1974-04-01), Orr et al.
Hershberg, P. I., et al., Amer. Journ. of Med. Electronics; 1963, Jul.-Sep., pp. 207-211.

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