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IPC

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Application

96119329/09, 1996-09-27

(22)

Actual filing date

1996-09-27

(45)

Published

1998-10-27

(72)

Inventor

Litvin A.G.Savitskij A.G.

(73)

Holder

Gosudarstvennoe Predprijatie Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Institut Sredstv Avtomatizatsii Na Zheleznodorozhnom Transporte

CODING DEVICE FOR CHECKING REMOTE-CONTROL SYSTEMS AT GRAVITY HUMPS Russian patent published in 1998 - IPC

Abstract RU 2121221 C1

FIELD: automatic and remote control facilities. SUBSTANCE: device has generator, first and second counters, first and second coincidence circuits, data input unit, flip-flop unit, display, first and second multiplexers, RAM control circuit, random-access memory, pulse coding unit, serial train shaper, and display unit. Data input unit has keyboard with A and B matrices controlled by 16 keys (8 keys for matrix A and 8 ones for matrix B). In this way, 34 pulses can be coded. EFFECT: improved reliability of device due to simplified logic and data input unit circuits. 1 dwg

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RU 2 121 221 C1

Authors

Litvin A.G.

Savitskij A.G.

Dates

1998-10-27—Published

1996-09-27—Filed

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