Patent Number: 6,396,445

Title: Window glass antenna apparatus for vehicles

Abstract: A window glass antenna apparatus for vehicles includes a defogger for defogging a window glass of a vehicle, which has bus bars at both ends and which is constituted of a thin, narrow strip conductor formed on the window glass such that the bus bars are opposed to a window metal frame of the vehicle with a predetermined gap therebetween, a driven antenna having a height and arranged close and opposite to the defogger with a predetermined clearance such that one side of the driven antenna is mutually coupled to that of the defogger, and a short circuit for causing a short circuit between each of the upper right and left ends of the bus bars and the window metal frame at a high frequency.

Inventors: Saitoh; Masatoshi (Machida, JP), Langley; Richard (Chartham Hatch, GB), Endo; Hiroshi (Tokyo, JP)

Assignee: Harada Industry Co., Ltd.

International Classification: H01Q 1/12 (20060101); H01Q 001/32 ()

Expiration Date: 05/28/2019