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EP0407226A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Leaky feeder transmission system

Assignee: Lockheed Martin UK Ampthill Ltd
•
Filing: 1990-07-06
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Granted: —
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Expires: 2010-07-06
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Abstract

Abstract A leaky feeder transmission system in which boost amplifiers are provided for respective sections of leaky feeder. Auto-transformer power dividers are provided to facilitate duplex propagation.

Inventors

  • 👤 David Vaughan Bartram

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 19:19
CPC Classifications
H; H04; H04B; H04B5/00; H04B5/20; H04B5/28

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 31 words
A leaky feeder transmission system in which each of a multiplicity of sections of leaky feeder has a respective amplifying and filtering stage for the compensation of loss in the section.
Claim 2
Dependent Claim 31 words
A leaky feeder transmission system in which each of a multiplicity of sections of leaky feeder has a respective amplifying and filtering stage for the compensation of loss in the section.
Claim 3
Dependent Claim 30 words
A leaky feeder transmission system according to claim 1 in which are respective amplifying and filtering stage is provided for each direction of propagation of signals along a respective section.
Claim 4
Dependent Claim 43 words
A leaky feeder transmission system in which a leaky feeder is connected to a common port of an auto-transformer power divider having two substantially mutually isolated ports which are connected to means for propagating or processing signals in respective opposite directions of propagation.
Claim 5
Dependent Claim 43 words
A leaky feeder transmission system in which a leaky feeder is connected to a common port of an auto-transformer power divider having two substantially mutually isolated ports which are connected to means for propagating or processing signals in respective opposite directions of propagation.
Claim 6
Dependent Claim 21 words
A leaky feeder transmission system according to claim 3 in which the said means are a transmitter and a receiver respectively.
Claim 7
Dependent Claim 29 words
A leaky feeder transmission system according to claim 4 in which the said means are respective amplifiers and filters for respective ones of two adjacent section of leaky feeder.

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