Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ANTENNAS (VARIANTS)
Document Type and Number:
WIPO Patent Application WO2004100308
Kind Code:
A3
Abstract:
In the first embodiment, the inventive antenna comprises four plates and four sections of a coaxial feeder. The central conductor of the first section of a coaxial feeder is connected to the first plate at a certain distance from a central axis, the external shield of the first section of a coaxial feeder being connected to the second plate. The central conductor of the second section of a coaxial feeder is connected to the second plate at a distance from the central axis which is greater than the distance between said central axis and the first section of a coaxial feeder. The external shield of the second section of a coaxial feeder is connected to the forth plate. The central conductor of the third section of a coaxial feeder is connected to the third plate, the external shield of the third section of a coaxial feeder being connected to the forth plate. A nondirectional antenna is arranged on the side of the first plate. The forth section of a coaxial feeder of said nondirectional antenna is arranged in the central hole of all plates, the external shield thereof being connected to the first plate. In the second variant, the antenna comprises four plates and three sections of a coaxial feeder. In said embodiment, the nondirectional antenna is not used, the connection of the coaxial feeders to the plates corresponds to the first variant.

Inventors:
KRISHTOPOV ALEKSANDR VLADIMIRO (RU)
Application Number:
PCT/RU2004/000177
Publication Date:
February 24, 2005
Filing Date:
May 05, 2004
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
IKRAMOV GAIRAT SAIDKHAKIMOVICH (RU)
KRISHTOPOV ALEKSANDR VLADIMIRO (RU)
ART LAB LTD (JP)
International Classes:
H01Q1/38; H01Q5/00; H01Q5/40; H01Q9/04; H01Q21/28; H01Q25/00; (IPC1-7): H01Q1/38; H01Q5/00
Foreign References:
US5153600A1992-10-06
US5434580A1995-07-18
RU218017C1
US5319378A1994-06-07
Download PDF: