Communications: radio wave antennas – Antennas – Spiral or helical type
Reexamination Certificate
2006-04-26
2008-12-30
Phan, Tho G (Department: 2821)
Communications: radio wave antennas
Antennas
Spiral or helical type
C343S798000, C174S109000
Reexamination Certificate
active
07471258
ABSTRACT:
A radiating coaxial cable transmission line that may be used as an antenna. Mechanisms are incorporated for boosting the rate of conversion of bifilar mode to monofilar mode.
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patent: 5936203 (1999-08-01), Ryman
Wait, J.R., “Electromagnetic Theory of the Loosely Braided Coaxial Cable: Part 1,” IEEE Transactions on Microwave Theory and Techniques, vol. MIT-24, No. 9 (Sep. 1976).
Adams, R.C., et al., “COMWIN Antenna System Fiscal Year 200 Report,” SPAWAR, Technical Report 1836, (Sep. 2000).
Hsu Tsung-Yuan
Sievenpiper Daniel F.
HRL Laboratories LLC
Phan Tho G
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