Communications: radio wave antennas – Antennas – Rod type
Patent
1984-06-15
1986-01-28
Lieberman, Eli
Communications: radio wave antennas
Antennas
Rod type
343DIG1, H01Q 110, H01Q 120
Patent
active
045674876
ABSTRACT:
A mechanical vibration-tolerant whip antenna having, in combination, a multi-section conical metal tube having successive sections each joined by an internal rigid rod tightly fitting within a corresponding recess in the respective ends of each of the adjacent sections to be joined with the outer metal surfaces of the successive sections providing a continuous smooth external metal surface transition, and each rigid rod extending sufficiently above and below a node of mechanical vibration resonance to provide a rigid support to the node. Additional vibration-tolerance is achieved by vibration damper inserts disposed within the tube near each node of resonance to damp vibration of the tube.
REFERENCES:
patent: 3229296 (1966-01-01), Saari
Vibration Damping Aircraft Antenna; IBM Technical Disclosure Bulletin, vol. 21, No. 6, Nov. 1978.
Chu Associates, Inc.
Lieberman Eli
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