Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1985-11-26
1988-11-29
Sikes, William L.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
H01Q 132
Patent
active
047885491
ABSTRACT:
The present invention provides a diversity reception type automotive antenna system comprising two pairs of high-frequency pickups for detecting surface high-frequency currents induced on the vehicle body by radio or other waves and flowing concentrically in the marginal edges of the vehicle body, each of said two pairs of high-frequency pickups being mounted respectively on one of the front pillars and one of the trunk hinges at the same side of the vehicle body to form a non-directional antenna unit, the non-directional antenna units being changed from one to another only depending on variations in the level of the radio or other waves due to variations in the electric field to reduce the frequency of change from one antenna unit to the other and noise due to variations in S/N ratio and at the same time to maintain the same reception in the automotive antenna system irrespective of the direction of the vehicle body relative to the incoming waves.
REFERENCES:
Patent Abstracts of Japan, vol. 7, No. 65 (E-165) [210], 19th Mar. 1983; & JP-A-57 212 803 (Matsushita Denki Sangyo K.K.), 27-12-1982.
Patent Abstracts of Japan, vol. 7, No. 162 (E-187) [1307], 15th Jul. 1983; & JP-A-58 70640 (Toyota Jidosha Kogyo K.K.), 27-04-1983.
Patent Abstracts of Japan, vol. 6, No. 37 (E-97) [915], 6th Mar. 1982; & JP-A-56 156 030 (Nissan Jidosha K.K.), 02-12-1981.
Kondo Hiroshi
Ohe Junzo
Sikes William L.
Toyota Jidosha & Kabushiki Kaisha
Wise Robert E.
LandOfFree
Automotive antenna system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Automotive antenna system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automotive antenna system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-366292