Communications: directive radio wave systems and devices (e.g. – Directive – Including a steerable array
Patent
1987-09-03
1989-02-21
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a steerable array
H01Q 100
Patent
active
048069388
ABSTRACT:
A radio frequency transponder/repeater is provided wherein an array of receiving antenna elements is coupled to an array of transmitting antenna elements to provide a directional antenna system and including additionally an internal radio frequency source which is also coupled to the array of transmitting antenna elements. With such arrangement, an internally generated signal provided by the radio frequency source may be transmitted using the transmitting array of the Van Atta System.
REFERENCES:
patent: 2908002 (1959-10-01), Van Atta
patent: 3142837 (1964-07-01), Johnson
patent: 3150320 (1964-09-01), Gruenberg
patent: 3340530 (1967-09-01), Sullivan et al.
patent: 3711855 (1973-01-01), Schmidt et al.
patent: 3715749 (1973-02-01), Archer
patent: 3731313 (1973-05-01), Nagai
patent: 3754258 (1973-08-01), Coleman
patent: 3757335 (1973-09-01), Gruenberg
patent: 4121221 (1978-10-01), Meadows
patent: 4144495 (1979-03-01), Metzger
patent: 4233606 (1980-11-01), Chernoff
patent: 4472719 (1984-09-01), Hills
Blum Theodore M.
Cain David
Raytheon Company
Sharkansky Richard M.
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