CAPACITIVE TARGET SENSOR FOR FUSE Russian patent published in 2021 - IPC F42C13/08 

FIELD: weapons.

SUBSTANCE: invention relates to ammunition, namely to capacitive target sensor used in fuses of ammunition reacting to approach and contact with external bodies. Capacitive target sensor for a fuse, which includes an actuator connected to the unauthorized actuation protection circuit connected to the power supply, two isolated electrodes connected to alternating voltage generator with variable frequency, which is connected to frequency detector, which is connected to comparator through combination of voltage amplifiers with logarithmic and linear function. Sensor additionally comprises high and low frequency filters connected as follows: output of frequency detector is connected in parallel to two band-pass filters of high and low frequencies. Low-pass filter is connected through a resistive divider to a voltage amplifier with a logarithmic function, and through another resistive divider - to a power supply. High-pass filter is included in feedback of voltage amplifier with logarithm function, last, in its turn, as well as voltage amplifier with linear function, is connected to additional filters of high and low frequencies similar to connection of frequency detector to above described filters.

EFFECT: technical result of disclosed invention is high noise-immunity of device.

1 cl, 1 dwg