Marine transponder system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 20, 1990
Grant Date -
N/A
app pub date -
Aug 4, 1988
filing date -
Aug 4, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A marine transponder system which is selectively activated to produce a predetermined signal pattern of light/sound/radio transmissions for maritime devices and structures such as navigational aids, mooring, docking or slip facilities and/or EPIRBs and other emergency signalling devices. A remote transmitter is used to broadcast an uncoded or coded signal at a predetermined frequency to activate the marine transponder system. The transponder system includes an RF receiver tuned to the predetermined frequency, and optionally a decoder unit for verifying the coded signal. Upon receipt of the transmitted frequency signal, the transponder system causes an omni-directional light/sound/radio source to be energized to produce the predetermined signal pattern. The marine transponder system may be an add-on adapted for integration with existing navigational buoys, a standalone buoy, a package configured for mounting on a dock, pier or boat, or a package adapted to be mounted on a life vest/preserver. This system permits quick and positive user identification and location of a desired, unknown locus and avoids continuous power usage.
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