Ships – Steering mechanism – Remote control steering excluding manual operation
Reexamination Certificate
2008-07-15
2008-07-15
Swinehart, Ed (Department: 3617)
Ships
Steering mechanism
Remote control steering excluding manual operation
Reexamination Certificate
active
07398741
ABSTRACT:
This invention concerns a remote control unmanned boat which can be freely operated by remote control and a remote control device. The remote control unmanned boat comprises a propelling power source11for generating a propelling power, a steering device13for freely varying the direction of advance, a first transmit-receive antenna24for receiving the signal transmitted by ratio from a control device20, a first controller15for controlling the propelling power source11and the steering device13based on the signal received from the first transmit-receive antenna14, a memory device17for memorizing the initial position set in advance, and a GPS antenna16for receiving the electric wave transmitted from an artificial satellite. The first controller15calculates the present position based on the electric wave received by the GPS antenna16and, when the stated condition is satisfied, initiates automatic control of the propelling power source11and the steering device13so as to attain regression to the initial position based on the present position and the initial position. Thus, the remote control unmanned boat has no possibility of being missed.
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Koda Kojiro
Koda Yoshiharu
Coden Co. Ltd.
Swinehart Ed
Synnestvedt & Lechner LLP
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