Telecommunications – Carrier wave repeater or relay system – Transmitter/receiver feedback compensation
Reexamination Certificate
2006-05-09
2006-05-09
Orgad, Edan (Department: 2684)
Telecommunications
Carrier wave repeater or relay system
Transmitter/receiver feedback compensation
C455S011100, C455S015000, C455S042000, C455S062000, C455S063300, C455S075000, C455S447000, C375S211000, C375S295000, C375S317000
Reexamination Certificate
active
07043203
ABSTRACT:
The invention discloses a process for re-transmitting single frequency signals and a single frequency signal repeater, where coupling occurs between the transmitting antenna and the receiving antenna, and where the process is of the type used in a single frequency signal repeater and comprises the steps of: [a] receiving a first radio frequency signal having a particular receiving power, [b] optionally converting said first radio frequency signal into a process signal, [c] filtering, amplification and automatically controlling the gain of said signal, [d] canceling said coupling between said transmitting antenna and said receiving antenna, [e] reconverting, as the case may be, said process signal into a second radio frequency signal, [f] amplifying the power of said second radio frequency signal, [g] output filtering, and [g] transmission.
REFERENCES:
patent: 4301432 (1981-11-01), Carlson et al.
patent: 4406016 (1983-09-01), Abrams et al.
patent: 4789993 (1988-12-01), Ryu
patent: 6025799 (2000-02-01), Ho et al.
patent: 6141539 (2000-10-01), Marino
Albert Pedro Mier
Archs Domènec Iborra
Grau Gregori Vázquez
Lamarca Orozco Maria Meritxell
Marton Montserrat Nájar
Aminzay Shaima Q.
Mier Comunicaciones, S.A.
Orgad Edan
Sughrue & Mion, PLLC
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