Title:
【発明の名称】有線・無線両用遠隔操縦装置
Document Type and Number:
Japanese Patent JP2742960
Kind Code:
B2
Abstract:
PURPOSE:To accomplish stable communication and remote control by switching a remote control means between wireless system and wire system according to the status of an electric wave. CONSTITUTION:During the remote control by a normal electric wave, a cable 9 is not connected. In a cable connection discriminator 10a of 2 transmitter 1b side, a cable connection 'NO' decision signal 11a is sent out to a signal processor 2b, and a transmit signal (TX) from the signal processor 2b is connected to a high frequency amplifying portion 3b. During remote control by a wire system, the cable 9 is connected. A 'YES' decision signal 11a is sent out to the signal processor 2b and a transmit signal TX is connected to an input/output buffer 12a. A power supply receiving circuit 16 receives a power supply sent from a receiver 15b through the transmit/receive cable 9. In the receiver 15b, a power supply is supplied from a power supply circuit 17 through the transmit/receive cable 9 to the transmitter 1b side. Thus, stable communication can be ensured, and a machine can be remote-controlled smoothly.
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Inventors:
Tamura Manabu
Nobuaki Matoba
Awano Katsusuke
Miki Masatoshi
Naoshi Watada
Keiichi Takahashi
Nobuaki Matoba
Awano Katsusuke
Miki Masatoshi
Naoshi Watada
Keiichi Takahashi
Application Number:
JP33336990A
Publication Date:
April 22, 1998
Filing Date:
November 29, 1990
Export Citation:
Assignee:
New Caterpillar Mitsubishi Corporation
International Classes:
E02F3/30; G05D1/00; H04Q9/00; E02F9/20; (IPC1-7): E02F9/20; G05D1/00; H04Q9/00
Domestic Patent References:
| JP59134237A | ||||
| JP6326099A | ||||
| JP5899349U | ||||
| JP1137357U |
Attorney, Agent or Firm:
Minoru Nakamura (7 outside)