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2 479 826

(13)

(51)

IPC

F42C13/00(2006-01-01)

(21) (22)

Application

2011145239/03, 2011-11-07

(24)

Start date

2011-11-07

(22)

Actual filing date

2011-11-07

(45)

Published

2013-04-20

(72)

Inventor

Shavrin Andrej GeorgievichUdovichenko Vladimir NikolaevichAntipov Sergej IvanovichShanina Larisa ViktorovnaTokarev Vladimir Anatol'EvichKotik Aleksej VladimirovichKrjukov Andrej Vladimirovich

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Federal'Nyj Jadernyj Tsentr Vserossijskij Nauchno-Issledovatel'Skij Institut Ehksperimental'Noj Fiziki" Fgup

TARGET CAPACITANCE SENSOR FOR FIRING DEVICE Russian patent published in 2013 - IPC F42C13/00

Abstract RU 2479826 C1

FIELD: blasting operations.

SUBSTANCE: sensor includes a power supply, an actuating device connected to a protection circuit against unauthorised actuation, which is connected to the power supply, two insulated electrodes connected to variable-voltage generator with varying frequency, which is connected to a frequency detector connected to a comparator unit through combination of voltage amplifiers: first, with logarithm function, and then, with linear function.

EFFECT: increasing interference immunity of the sensor to small subjects in the near sensitivity zone and increasing sensitivity in the far zone; simpler and cheaper design.

3 dwg

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RU 2 479 826 C1

Authors

Shavrin Andrej Georgievich

Udovichenko Vladimir Nikolaevich

Antipov Sergej Ivanovich

Shanina Larisa Viktorovna

Tokarev Vladimir Anatol'Evich

Kotik Aleksej Vladimirovich

Krjukov Andrej Vladimirovich

Dates

2013-04-20—Published

2011-11-07—Filed