Microwave barrier

Details Microwave barrier Microwave barrier

1984-10-31

1988-06-21

Tubbesing, T. H.

Communications: directive radio wave systems and devices (e.g.,

Presence detection only

G01S 1302

Patent

active

047527781

ABSTRACT:
The invention relates to a microwave barrier which uses at least two aerial beams of which one forms a protected zone extending down to the ground while the other is inclined upwards relative to the horizontal. In this way by the use of a simple construction intruders can be prevented both from crawling under the barrier and jumping over it.

REFERENCES:
patent: 2665383 (1954-01-01), Marie
patent: 2939142 (1960-05-01), Fernsler
patent: 3300768 (1967-01-01), Bystrom et al.
patent: 3815138 (1974-06-01), Haley
patent: 4191953 (1980-03-01), Woode
patent: 4231040 (1980-10-01), Walker
IEE Standard Dictionary of Electrical and Electronics Terms, Third Edition, Jul. 20, 1984, p. 313.

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