Title:
【発明の名称】アンテナ装置
Document Type and Number:
Japanese Patent JPH11505087
Kind Code:
A
Abstract:
PCT No. PCT/SE96/00514 Sec. 371 Date Mar. 5, 1998 Sec. 102(e) Date Mar. 5, 1998 PCT Filed Apr. 19, 1996 PCT Pub. No. WO96/36088 PCT Pub. Date Nov. 14, 1996An antenna device used in a car radar system for emitting and/or receiving electromagnetic radiation, comprises a rotatable reflector; a feeder fixed relative to the antenna device and interacting with the reflector; a motor for driving the reflector; and a tachometer for monitoring the rotation of the reflector and for controlling the drive motor. The drive motor and the tachometer are constituted by flag motors, each having a rotor with flat coils and a stator including permanent magnets, the rotor being rotatable in a magnetic field created by permanent magnets and having the coil ends directed towards the permanent magnets, the rotors of the flag motors being rigidly, mechanically connected to each other.
Inventors:
Larsson, Thomas
Siren, Arne
Anderson, Thomas
Siren, Arne
Anderson, Thomas
Application Number:
JP53398796A
Publication Date:
May 11, 1999
Filing Date:
April 19, 1996
Export Citation:
Assignee:
Celsius Tech Electronics AB
International Classes:
H01Q19/10; G01S7/28; H01Q1/32; H01Q3/20; (IPC1-7): H01Q3/20; G01S7/28; H01Q19/10
Attorney, Agent or Firm:
Mitsuo Adachi (2 outside)