CONTACT CAPACITANCE ELECTROACOUSTIC MICROPHONE Russian patent published in 1994 - IPC

Abstract RU 2010454 C1

FIELD: for medico-biological purposes. SUBSTANCE: microphone has a cylindrical casing in the form of sleeve; positioned in the casing are an electrostatic screen, dielectric disk whose internal surface has flat electrodes connected to the RF current generator processing unit. The specific feature of the microphone is the use of the conducting layers of the patient's skin as a movable electrode. The processing unit is made as a symmetrical voltage follower and diode detector. The current generator outputs are connected to the electrodes that are connected to the processing unit input. EFFECT: facilitated procedure. 2 cl, 2 dwg

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RU 2 010 454 C1

Authors

Agafonov Valentin Grigor'Evich

Dates

1994-03-30Published

1991-07-22Filed