Title:
DISTRESS BEACON TRANSMITTER
Document Type and Number:
Japanese Patent JP3860430
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a distress beacon transmitter that can be released from a deep sea on the occurrence of an accident in a sea bottom work or a submarine and transmit a strong signal with less power consumption for a long time.
SOLUTION: A plurality of patch antennas 3 are placed on the surface of a foldable balloon 1. When a gas filler 9 fills a gas in the balloon 1 at a sea bottom and the balloon 1 is released, the balloon 1 surfaces. After a GPS receiver 5 measures the position of the balloon, a transmitter 6 transmits position information together with a distress beacon.
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Inventors:
Tsuchiya Makio
Application Number:
JP2001114928A
Publication Date:
December 20, 2006
Filing Date:
April 13, 2001
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
B63G8/40; G01S7/52; H04B1/04; G08B5/00; H01Q1/08; H01Q1/24; H01Q1/34; H01Q3/24; H01Q21/20; H04B1/034; (IPC1-7): H04B1/04; B63G8/40; G08B5/00; H01Q1/08; H01Q1/24; H01Q1/34; H01Q3/24; H01Q21/20; H04B1/034; //G01S7/52
Domestic Patent References:
| JP55011915A | ||||
| JP60064200A | ||||
| JP4113984A | ||||
| JP8086854A | ||||
| JP7022829A | ||||
| JP5281322A |
Attorney, Agent or Firm:
Masuo Oiwa
Toshihide Kodama
Takenaka Ikuo
Keigo Murakami
Toshihide Kodama
Takenaka Ikuo
Keigo Murakami