Telecommunications – Transmitter and receiver at separate stations – Earth or water medium
Reexamination Certificate
2011-08-23
2011-08-23
Milord, Marceau (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Earth or water medium
C455S096000, C455S098000, C455S072000, C367S131000, C367S134000, C367S142000, C367S904000, C340S850000, C343S709000, C343S719000
Reexamination Certificate
active
08005424
ABSTRACT:
The present invention provides a communication device and a communication method of an underwater vehicle, which use an electromagnetic field (electromagnetic wave), having a higher propagation speed than that of an acoustic wave, for communication between an underwater vehicle and a mother vessel or the like so as to allow real-time control of the underwater vehicle and the like and further to make the communication little sensitive to noise and the like. The communication device performs wireless communication between an underwater vehicle in water and an object on land or on water, and is configured to compress data to be transmitted and transmit/receive the compressed data by the use of a low-frequency electromagnetic field.
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Aoki Taro
Fujimoto Katsuki
Numamoto Osamu
Yoshida Hiroshi
Crowell & Moring LLP
Japan Agency for Marine-Earth Science and Technology
Milord Marceau
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