DEVICE FOR DETERMINING FETUS STATE DURING PREGNANCY PERIOD

FIELD: medical engineering. SUBSTANCE: device has ultrasonic converter, two power amplifiers, switch, high frequency amplifier which outlet is connected in series to phase detector, two low frequency amplifier, key, low frequency filter, high frequency program-controlled filter, generator of quartz...

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Bibliographische Detailangaben
Hauptverfasser:	SMIRNOV A.S, ROZENFEL'D B.E, MAKHAN'KOV V.E, DEMIDOV V.N
Format:	Patent
Sprache:	eng
Schlagworte:	DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	FIELD: medical engineering. SUBSTANCE: device has ultrasonic converter, two power amplifiers, switch, high frequency amplifier which outlet is connected in series to phase detector, two low frequency amplifier, key, low frequency filter, high frequency program-controlled filter, generator of quartz type, control signal shaper, attenuator variable in programmed mode, program-controlled amplifier analog-to-digital converter, controller, acoustic emitter, interface unit and information processing unit. EFFECT: high level measurement accuracy; excluded noise factor influence. 2 cl, 3 dwg øøø1