Telecommunications – Transmitter – Mobile or portable
Patent
1978-01-19
1980-11-04
Ng, Jin F.
Telecommunications
Transmitter
Mobile or portable
455 97, 340539, 34084004, 346 8, 346 59, 9 9, 9 33, H04B 1034, G08B 108
Patent
active
042323916
ABSTRACT:
A system for determining the location of the sinking of a vessel by providing a seaworthy box that is automatically ejected from the vessel at the time of sinking and that has a battery aboard the box for powering a radio transmitter that sends distress signals that enable a rescue vessel to locate the ejected box. The system employs a water-activated release mechanism and a stationary box with which the ejected box mates. When the release mechanism operates the box is ejected and at the same time the radio transmission commences. The release mechanism can also be used to release life savers and life boats. The ejected box has a printing system for registering any faults that may have occurred prior to sinking. The vessel may be provided with fire detectors, for example, and operation of a detector is registered along with the time of detector operation to thus provide a chronological log of all important events. An important part of the system is the automatic sea compass which continuously records longitude and latitude position. This information, particularly at the time of sinking, is recorded on the printing system in the ejected box so that when the box is located there is an immediate visual indication of longitude and latitude at the time of sinking.
REFERENCES:
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patent: 2928935 (1960-03-01), Murray
patent: 3253810 (1966-05-01), Penn
patent: 3341871 (1967-09-01), Oliveau
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patent: 3432755 (1969-03-01), Moreno
patent: 3461429 (1969-08-01), Gray
patent: 3906370 (1975-09-01), Apps
patent: 3933109 (1976-01-01), Boisrayon et al.
patent: 3943445 (1976-03-01), Dawson
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