Communications: radio wave antennas – Antennas – Microstrip
Reexamination Certificate
2005-02-15
2005-02-15
Nguyen, Hoang V. (Department: 2821)
Communications: radio wave antennas
Antennas
Microstrip
C343S853000, C343S846000
Reexamination Certificate
active
06856290
ABSTRACT:
A TM cylindrical shaped microstrip antenna array which transmits telemetry data and which is adapted for use on weapons systems such as a missile or smart bomb. The microstrip antenna operates at a TM frequency band of 2200-2300, resulting in a band width for the antenna of 100 MHz. The microstrip antenna includes a GPS band-stop filter which isolates the telmetry data from the GPS L-Band carrier signals with a minimum band-stop rejection of −60 decibels.
REFERENCES:
patent: 20040027291 (2004-02-01), Zhang et al.
patent: 20040090368 (2004-05-01), Channabasappa et al.
Davis Albert F.
Ryken Marvin L.
Kalmbaugh David S.
The United States of America as represented by the Secretary of
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