发明授权
- 专利标题: Glass antenna device for automobile telephone
- 专利标题(中): 汽车电话用玻璃天线装置
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申请号: US548657申请日: 1995-10-26
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公开(公告)号: US5657029A公开(公告)日: 1997-08-12
- 发明人: Hiroshi Iijima , Eiichiro Kawasaki , Ryokichi Doi
- 申请人: Hiroshi Iijima , Eiichiro Kawasaki , Ryokichi Doi
- 申请人地址: JPX
- 专利权人: Nippon Sheet Glass Co., Ltd.
- 当前专利权人: Nippon Sheet Glass Co., Ltd.
- 当前专利权人地址: JPX
- 优先权: JPX5-021048 19930209; JPX5-058281 19930318
- 主分类号: H01Q1/12
- IPC分类号: H01Q1/12 ; H01Q1/32
摘要:
A glass antenna device for automobile telephone includes a glass panel and an antenna pattern mounted on the glass panel. The antenna pattern has a radiation pattern, a signal leader pattern having a first feeder positioned closely to an edge of the glass panel, and an extension extending from the first feeder toward and connected to the radiation pattern, a shield leader pattern having a surrounding pattern surrounding the first feeder and having a second feeder, and a pair of parallel extensions extending from the surrounding pattern parallel substantially the full length of the extension of the signal leader thereto and disposed one on each side thereof, and a rectangular ground pattern connected to an end of at least one of the parallel extensions of the shield leader pattern. Preferably, a feeder cable interconnecting the antenna pattern and an automobile telephone set mounted in an automobile has a portion extending toward the antenna pattern and including a ground conductor electrically connected to an automobile body of the automobile.