CS263492B1 - Multichannel Reograph - Google Patents

Abstract

The multi-channel rheograph. contains an oscillator (1) of sinusoidal oscillations and in each channel a series-connected resonant amplifier (2), a converter (3) and an output block (4). The inputs of the amplifiers (2) of all channels are connected to the output of the oscillator (1) of sinusoidal oscillations, calibration resistors (5) and electrodes (6, 7) according to the number of channels and a mode switch (8). A series-connected step pulse generator (9), an n-digit counter (10) and a pulse divider (11) and electric commutators (12) according to the number of channels. The output of the pulse divider (11) is connected to the inputs of the calibration resistors (5) of all channels, the radio inputs of the electronic commutators (12) of all channels are connected to the output of the mode switch (8). In each channel, the output of the electronic switch (12) is connected to the VB input of the converter (3) of the given channel. The first input of the electronic switch (12) is connected to the calibration resistor (5), and the second input to the electrodes (6, 7). The solution relates to medical devices and can be used in devices for - diagnostics of diseases and research of the cardiovascular system.

Description

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Claims (2)

4 SUBJECT OF THE INVENTION A multichannel reograph comprising a sinusoidal oscillator and in each channel a serially coupled resonant amplifier, transducer and output block, wherein the channel amplifier inputs are connected to the sine oscillator output. • calibration resistors and electrodes according to channel number and mode switch, characterized by " that comprises a series-connected step pulse generator (9), an n-digit pulse counter (10) and an electronic commutator (12) according to channel numbers, the pulse splitter output (11) being connected to the calibration resistor inputs (5) of all channels, the control the inputs of the electronic commutators (12) of all channels are connected by the output of the mode switch (8), and in each channel the output of the electronic commutator (12) is connected to the input of the converter (3) of the channel, the first input of the electronic commutator (12) is associated with a calibration resistor (5) »and a second selectrode (6, 7) ) · A re-scoring device according to claim 1, characterized in that the calibrating resistor (5) of each channel, in the form of an optotron, is connected to the output of the pulse distributor (11) and the photoresistor with the first input of the electronic commutator (12). 263492