Title:
GLASS PANE ANTENNA FOR AUTOMOTIVE USE
Document Type and Number:
Japanese Patent JP2638708
Kind Code:
B2
Abstract:
PURPOSE: To provide a glass pane antenna capable of using a sub-antenna receiving an FM radio broadcast wave or a TV broadcast wave, etc., as well with a high reception gain in every direction to ensure the operation such as door open/close and device control or the like even when the antenna is provided on a small location of a rear window glass for a vehicle in a well-known manner that defogger heater wires and the antenna is arranged to their upper space are arranged on the rear window glass.
CONSTITUTION: The glass pane antenna provided with a 1st antenna 4 composed of horizontal wires and vertical wires provided on the upper space of defogger heater wires 2 placed on a vehicle use rear window glass 1 is provided with at least a 2nd antenna 6 composed of a 1st element 61 connected to a feeding point 5 provided on a lower side of the defogger heater wire 2, extended upward at the outside of the defogger heater wires 2 and extended horizontally at a space of the 1st antenna and composed of a 2nd element 62 connected to a feeding pint 5 at a lower space of the defogger heater wires 2, extended horizontally, reflected further and extended horizontally toward the feeding point 5.
Inventors:
NAGAYAMA YOJI
TADOKORO SHINGO
TSUKADA TOKIO
TADOKORO SHINGO
TSUKADA TOKIO
Application Number:
JP4973892A
Publication Date:
August 06, 1997
Filing Date:
March 06, 1992
Export Citation:
Assignee:
SENTORARU GARASU KK
International Classes:
H01Q1/32; (IPC1-7): H01Q1/32
Domestic Patent References:
| JP5864105U |
Attorney, Agent or Firm:
Yoshiyuki Nishi