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2 240 414

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IPC

(21) (22)

Application

2003112632/12, 2003-04-23

(24)

Start date

2003-04-23

(22)

Actual filing date

2003-04-23

(45)

Published

2004-11-20

(72)

Inventor

Dikarev V.I.Zhurkovich V.V.Sergeeva V.G.Rybkin L.V.

(73)

Holder

Dikarev Viktor IvanovichZhurkovich Vitalij VladimirovichSergeeva Valentina GeorgievnaRybkin Leonid Vsevolodovich

CODE LOCK FOR CONTAINERS Russian patent published in 2004 - IPC

Abstract RU 2240414 C1

FIELD: closing devices.

SUBSTANCE: the code lock has a code device kept on the container, the code device includes ferreed contacts cut in the control circuit of the electromechanical closing device, magnetic key made in the form of a unit of magnets isolated from one another, master oscillator, modulating code generator, phase manipulator and a power amplifier via the make contacts of the relay of the alarm system are connected to the power source, on the master station provided are series-connected receiving antenna, high-frequency amplifier, phase doubler, whose second input is connected to the output of a narrow-band filter, and a recording unit, as well as a phase-of-two divider connected to the output of the phase doubler. The lock is provided with phase shifters and additional phase detectors.

EFFECT: enhanced noise immunity.

2 dwg

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RU 2 240 414 C1

Authors

Dikarev V.I.

Zhurkovich V.V.

Sergeeva V.G.

Rybkin L.V.

Dates

2004-11-20—Published

2003-04-23—Filed