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7994931 |
Graphical wind gauge
A wind gauge display apparatus comprising a control device and a reconfigurable display for displaying a first visual representation of a wind gauge if a wind angle is within a first range and...
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6972678 |
Wireless-based system and method for hull-based sensing
The present invention describes a wireless system and method for distributing sensors in large numbers that makes possible the application of a number of algorithms for the extraction of important...
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6693561 |
System for and method of wide searching for targets in a marine environment
An above-the-water system for and method of finding targets, both animate and inanimate, in a marine environment, especially by determining the distance and depth of targets at, above or below the...
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6658332 |
Anti-terrorism shipping control
An anti-terrorist ship control system includes satellites that automatically take control of a waterborne vessel when the vessel's position or speed deviate from planned tracks or when the vessel...
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6380871 |
System for and method of searching for targets in a marine environment
An above-the-water system for and method of finding targets, both animate and inanimate, in a marine environment, especially by determining the distance and depth of targets at, above or below the...
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6353781 |
GPS controlled marine speedometer unit with multiple operational modes
A speedometer unit that uses a standard output of a position determining navigation unit such as a LORAN, GPS, SAT/NAV, OMEGA, or other type navigation unit. The speedometer includes a processor,...
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6032087 |
Ship position control system
A bowthruster is operated by a control unit with wind direction based on a detection signal from vane-anemometer. A bow in a hull attitude is slightly adjusted so as to direct a bow of the hull to...
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5050518 |
Automatic steering device
A ship steering system for automatically maintaining a steering course including a manual steering device and a memory that retains the course setting when the manual steering operation is...
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4162474 |
Yaw-compensated correlating sonar tracking system
1. Apparatus comprising A pair of signal sensors spacially displaced from each other, Means connected to each sensor for quantizing the signals at the output thereof, First and second two-mode...
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4156869 |
Conducting cable
In a cable for conveying information signals of selected frequencies and simultaneously conveying a selected amount of electric power, a central conducting means is surrounded by a dielectric...
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4042904 |
Hydroways
An acoustic navigation system for marking channels is utilized for provid safe entry and exit from harbors. The system has a plurality of pairs of acoustic projectors aligned on opposite sides of a...
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4005383 |
Catacoustic navigating system
1. A channel defining system for aiding the navigation through a body of er of a vessel equipped with a high resolution pulsed catacoustic system adapted to scan the bottom in range abeam of the...
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3864662 |
TELEMETRY SYSTEMS EMPLOYING ACTIVE TRANSPONDERS
A telemetry system is provided which enables positioning of a vehicle equipped with an interrogator relative to at least two active transponders whose relative coordinates are initially unknown....
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3859490 |
SHOAL DETECTION SYSTEM
A mercury switch ideally suited for use in a shoal detector system has a vertically oriented cylindrically shaped capsule in which a quantity of mercury is retained and first and second electrodes,...
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3789351 |
GUIDANCE SYSTEM
A guidance system is disclosed which employs three total field magnetometer ensors located in a plane and spaced equiangularly about the axis of locomotion. Circuitry is disclosed to combine the...
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3787867 |
NAVIGATIONAL AID SYSTEM
A navigational aid system is disclosed in which the operation of a plurality of navigational aid devices is synchronized by a distinctive radiated energy signal received by each of the devices so...
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3777304 |
INDICATOR
This invention relates to an indicating device for the navigation of vehicles along power cables, especially of ships along underwater cables, wherein a system of coils is mounted on the ship,...
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3280311 |
Ship positioning
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3277431 |
Ship separation control system
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3274546 |
Aircraft guidance, approach, and landing system with yaw detection and metering
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3212189 |
Marine navigation procedure
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3184708 |
Electrical guidance system for ships
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3089117 |
Navigation system with electroacoustic leader cables
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3079586 |
Locating and guidance systems for vehicles for air, sea and land
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3064929 |
Automatic guidance system
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2847080 |
Automatic control system for vehicles
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