Title:
【発明の名称】スパイラルアンテナ
Document Type and Number:
Japanese Patent JP2003521848
Kind Code:
A
Abstract:
A spiral antenna which can be supplied in different modes with different transmission characteristics is described. The spiral antenna includes four approximately parallel, electrically conducting spiral arms. The spiral arms are each connected to a coplanar conductor at their inner spiral arm ends for supplying and/or receiving signals.
Inventors:
Thomas Vixfort
Eberhard Gschwentner
Gene Parle Bass
Eberhard Gschwentner
Gene Parle Bass
Application Number:
JP2001508542A
Publication Date:
July 15, 2003
Filing Date:
June 26, 2000
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
H01Q1/32; H01Q11/04; H01Q1/38; H01Q9/27; H01Q23/00; (IPC1-7): H01Q11/04
Domestic Patent References:
| JPH1075114A | 1998-03-17 |
Foreign References:
| US3906514A | 1975-09-16 | |||
| US3925784A | 1975-12-09 | |||
| GB2207556A | 1989-02-01 | |||
| GB1533463A | 1978-11-22 | |||
| US3019439A | 1962-01-30 | |||
| US3681772A | 1972-08-01 | |||
| US3562756A | 1971-02-09 | |||
| US4605934A | 1986-08-12 | |||
| US4609888A | 1986-09-02 | |||
| EP1061605A2 | 2000-12-20 |
Attorney, Agent or Firm:
Toshio Yano (4 outside)