E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
E02F 9/20 (2006.01) E02F 3/43 (2006.01) E02F 9/22 (2006.01) G05D 1/00 (2006.01) H04J 13/00 (2006.01)
Patent
CA 2271641
The present invention relates to remote radio control technology, and a remote radio control system includes a radio movable working machine (1), a remote control apparatus (6A), and a movable repeater station (7). First bidirectional communication means (31, 71) having a high radio wave directionality and first automatic tracking means (32, 71A) are provided between the working machine (1) and the repeater station (7), and second bidirectional communication means (63, 76) having a high radio wave directionality, second automatic tracking means (63A, 76A), and emergency spread spectrum bidirectional communication means (64, 87) for enabling bidirectional communication between the remote control apparatus (6A) and the repeater station (7) when communication by the second bidirectional communication means (63, 76) is impossible are provided between the remote control apparatus (6A) and the repeater station (7). Consequently, even if communication between the working machine (1) and the movable repeater station (7) is disabled, each of the working machine (1) and the repeater station (7) is permitted to perform a minimum necessary operation, and any other person than those skilled in actual controlling operation of the working machine (1) can perform remote control easily.
L'invention concerne un système de commande de matériel radio à distance comprenant un dispositif radio mobile (1), un appareil de commande à distance (6A), et une station relais d'émission-réception (7). Ce système comprend en outre: un premier organe de communication bidirectionnelle (31, 71) présentant une directivité radioélectrique élevée; un premier organe de repérage automatique (32, 71A) placé entre le dispositif radio (1) et la station relais d'émission-réception (7); un second organe de communication bidirectionnelle (63, 76) présentant une directivité radioélectrique élevée; un second organe de repérage automatique (63A, 76A); et un organe de communication bidirectionnelle d'urgence à spectre étalé (64, 87), permettant d'établir une communication bidirectionnelle entre l'appareil de commande à distance (6A) et la station relais d'émission-réception (7). Dans ce cas, le second organe de communication bidirectionnelle (63, 76) ne peut établir de communication entre ledit appareil de commande à distance (6A) et ladite station relais d'émission-réception (7). Cette configuration permet ainsi au dispositif radio (1) et à la station relais d'émission-réception (7) de fonctionner même lorsque la communication ne peut être établie entre ce dispositif radio (1) et cette station relais d'émission-réception (7), et qu'aucun spécialiste ne peut faire fonctionner le dispositif radio (1) à distance.
Awano Katsusuke
Kajita Shigeo
Miki Masatoshi
Nishikawa Hiroyasu
Tozawa Shoji
Caterpillar Japan Ltd.
Gowling Lafleur Henderson Llp
Shin Caterpillar Mitsubishi Ltd.
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