Communications: radio wave antennas – Antennas – Microstrip
Reexamination Certificate
2005-07-19
2005-07-19
Phan, Tho (Department: 2821)
Communications: radio wave antennas
Antennas
Microstrip
C343S705000
Reexamination Certificate
active
06919844
ABSTRACT:
A reduced size GPS microstrip antenna which has an annular slot, receives GPS data from an external source and which is adapted for use in a small area on a weapons system such as a missile. The microstrip antenna is square shaped with angled notches at opposite corners of the antenna.
REFERENCES:
patent: 5241321 (1993-08-01), Tsao
patent: 5241322 (1993-08-01), Gegan
patent: 5394159 (1995-02-01), Schneider et al.
patent: 5400041 (1995-03-01), Strickland
patent: 5438697 (1995-08-01), Fowler et al.
Davis Albert
Ryken, Jr. Marvin L.
Kalmbaugh David S.
Phan Tho
The United States of America as represented by the Secretary of
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