Title:
電子式ナビゲーション制御システム
Document Type and Number:
Japanese Patent JP4546239
Kind Code:
B2
Abstract:
The invention relates to a method for manoeuvring a self-propelling device (5) towards the middle of a navigational control station, by means of an electronic navigational control system, wherein said self-propelling device (5) comprises: at least one motor, wherein said electronic navigational control system comprises: said navigational control station (3) comprising at least one signal generator (1), at least one conductor loop connected to said at least one signal generator, one sensing unit (14, 15, 16) arranged at the self-propelling device (5), and comprising a receiving unit (14), a control unit (15), a motor control unit (16), said method comprising the following steps: enabling the signal generator to send a current through said at least one conductor loop, said current generating a magnetic field varying in time and space (43, 44, 52, 54), enabling the sensing unit (14, 15, 16) to sense said magnetic field propagating in the air-medium which is transmitted by the at least one conductor loop, enabling the sensing unit (14, 15, 16) to process a signal, enabling the sensing unit (14, 15, 16) to transmit the processed signal to said at least one motor for contributing to the device's (5) movements across a surface, said method further comprising the steps of: causing the sensing unit (14, 15, 16) to manoeuvre the device (5) towards the middle of the navigational control station based on the properties of the sensed magnetic field (43, 44, 52, 54), causing the self-propelling device (5) to move in a course direction that corresponds to that the sensed magnetic field (54) is constant, so that the self-propelling device (5) can be brought into such a position that a charging device at the navigational control station can charge the batteries of the self-propelling device (5), and a corresponding control system.
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Inventors:
Wolf, Peterson
Bergval, Bent-Alan
Bergval, Bent-Alan
Application Number:
JP2004511919A
Publication Date:
September 15, 2010
Filing Date:
June 03, 2003
Export Citation:
Assignee:
Fusukuvarna Actie Borrag
International Classes:
G05D1/03; A01D34/00; A47L9/28; G01S19/48; G05D1/02
Domestic Patent References:
| JP62210513A | ||||
| JP10312215A | ||||
| JP55059507A | ||||
| JP5119833A | ||||
| JP11288313A | ||||
| JP9212234A | ||||
| JP61183717A | ||||
| JP62162118A | ||||
| JP2001169372A | ||||
| JP10198423A | ||||
| JP6075624A | ||||
| JP2002352374A |
Foreign References:
| WO1999015941A1 |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Shimichi Akihisa
Kurachi Yasuyuki
Kumi Imaeda
Shinozaki Masami
Hirose Shigeki
Shinji Mitsuhashi
Tanimitsu Masaharu
Koichi Ito
Niwa Masataka
Jun Tsuruta
Tetsuro Shimada
Shimichi Akihisa
Kurachi Yasuyuki
Kumi Imaeda
Shinozaki Masami
Hirose Shigeki
Shinji Mitsuhashi
Tanimitsu Masaharu
Koichi Ito
Niwa Masataka