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2 080 708

(13)

C1

(51)

IPC

(21) (22)

Application

94023229/09, 1994-06-17

(22)

Actual filing date

1994-06-17

(45)

Published

1997-05-27

(72)

Inventor

Kanaev K.A.Karpitskij A.S.Popov O.V.Chernoles V.P.

(73)

Holder

Voennaja Akademija Svjazi

EMITTING COAXIAL CABLE Russian patent published in 1997 - IPC

Abstract RU 2080708 C1

FIELD: radio communication systems for tunnels, mines, offices. SUBSTANCE: device has central wire which is coaxial to shielding envelope 2 which has rectangular emitting slots 3. Funnel of each emitting slot contains ribbon conductor 4 and metal jumper 5. Part of funnel of emitting slot is covered by metal plate with dielectric substrate 6. Independent tuning of cable is achieved by moving metal jumper 5 and metal plate with dielectric substrate 6 along cable axis. Size of device elements and different variants of device design are given in invention specification. EFFECT: independent double-frequency operations and possibility to tune operating frequencies. 6 cl, 8 dwg

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RU 2 080 708 C1

Authors

Kanaev K.A.

Karpitskij A.S.

Popov O.V.

Chernoles V.P.

Dates

1997-05-27—Published

1994-06-17—Filed

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