4-wire helical antenna

H - Electricity – 01 – Q

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

H01Q 11/08 (2006.01)

Patent

CA 2047694

The first embodiment is a 4-wire fractional-winding helical antenna in which a spiral conductor pattern is formed easily and precisely on the surface of a supporting member in the form of a cylindrical tube or a stepped cylindrical tube form by the photoetching technology. This 4-wire fractional- winding helical antenna has an improved characteristics, in particular broader frequency bandwidth. Further, it can solve the problems with the winding of the helical conductors. The second embodiment is an antenna unit in which a shield plate is provided between the antenna and coupling and conversion circuits, the antenna-side face of the shield plate is coated with a material for absorbing electromagnetic waves, and the antenna plate comprises an aluminum or copper plate and a layer of ferrite on the antenna-side face of the aluminum or copper plate. This antenna unit can prevent the reflection by the components at the antenna base and the airframe of the electromagnetic wave from the antenna and hence deterioration of the directivity pattern.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

4-wire helical antenna does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with 4-wire helical antenna, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 4-wire helical antenna will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1429323

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.