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2 010 337

(13)

C1

(51)

IPC

(21) (22)

Application

4943529/24, 1991-06-10

(22)

Actual filing date

1991-06-10

(45)

Published

1994-03-30

(72)

Inventor

Khoteenkov V.A.Svirskij Ju.K.Kostjukhin V.A.

(73)

Holder

Spetsial'Noe Nauchno-Proizvodstvennoe Ob"Edinenie

CAPACITIVE UNIT FOR GUARD SYSTEM Russian patent published in 1994 - IPC

Abstract RU 2010337 C1

FIELD: guard systems. SUBSTANCE: device has sensitive member 1, ac voltage generator 5, h. f. amplifier 10, lower frequency filter 12, threshold unit 15 connected in series with actuating unit 16, differential transformer 6, sync detector 11, high frequency filter 13 and d. c. amplifier 14. Sensitive member is made in form of a flat capacitor connected with subject under guard by means of isolating adhesive tape. Plates of two-electrode flat capacitor are connected to point which have practically the same potential of voltage. Such a design provides forming of detection zone of the device directed to the side of subject under guard only. EFFECT: improved tactical reliability. 1 dwg

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RU 2 010 337 C1

Authors

Khoteenkov V.A.

Svirskij Ju.K.

Kostjukhin V.A.

Dates

1994-03-30—Published

1991-06-10—Filed

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