Title:
トラッキング装置
Document Type and Number:
Japanese Patent JP4028717
Kind Code:
B2
Abstract:
A tracking device includes a motor, top and bottom propellers of opposite sense attached to the stator and rotor of the motor for rotation in opposite directions. Target sensors are provided on the propellers and signals from the target sensors are supplied to a controller that controls the rotation of the motor and the propellers. The tracking device also includes a power supply for the motor and the controller.
Inventors:
Mark Him
Application Number:
JP2001358842A
Publication Date:
December 26, 2007
Filing Date:
November 26, 2001
Export Citation:
Assignee:
XEROX CORPORATION
International Classes:
A63H27/133; A63H27/127; A63H30/04; B64C27/10; B64C13/16; B64C39/02; G05D1/12
Domestic Patent References:
| JP4274995A |
Foreign References:
| US5297759 | ||||
| US5110314 | ||||
| US4818990 | ||||
| US4478379 | ||||
| US3149803 | ||||
| US3002711 | ||||
| GB439298A | ||||
| GB2262725A |
Attorney, Agent or Firm:
Kenji Yoshida
Jun Ishida
Jun Ishida