Communications: electrical – Continuously variable indicating – With particular transmitter
Patent
1978-11-01
1982-03-09
Groody, James J.
Communications: electrical
Continuously variable indicating
With particular transmitter
128903, 128904, 324 62, 324 65R, 34087017, G08G 1904, G08G 1928
Patent
active
043192416
ABSTRACT:
A system for telemetering data from a patient to a monitor permitting direct connection of patient's sensors and transducers to the monitor and permitting telemetering by radio or wire without requiring changes in transducer or monitor design or adjustment or calibration. A telemetering system which presents to the monitor variable resistances identical to the varying resistances produced by the transducers at the patient. A temperature transmission channel wherein a thermistor resistance is digitized for transmission, with the digital data being utilized to generate a resistance at the receiver corresponding to the thermistor resistance. A pressure transmission system providing for transmission of waveform and peak and trough values of the waveform, with the waveform being reconstituted at the receiver and converted to a varying resistance for connection to the monitor, simulating the original pressure transducer resistance.
REFERENCES:
patent: 2098227 (1937-11-01), Chauveau
patent: 3123768 (1964-03-01), Burch et al.
patent: 3441846 (1969-04-01), Petrohilos
patent: 3589457 (1971-06-01), Joos
patent: 3652800 (1972-03-01), Dooley
patent: 3922490 (1975-11-01), Pettis
patent: 3942123 (1976-03-01), Georgi
patent: 3961317 (1976-06-01), DeBrem et al.
patent: 4028057 (1977-06-01), Nelson
Groody James J.
Medimetric Company
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