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7272072 |
Method of converting received data to a two-dimensional color map
Beams of sampled data are converted into a two-dimensional color map thereof. Fourier transforms are performed on range cells of each beam with each transform being sampled M times where M is...
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6512477 |
Detecting apparatus
While successively varying its orientation at specific intervals, a detecting apparatus transmits pulsed radio waves from an antenna ( 1 ), and data corresponding to input levels derived from one...
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6466891 |
System for providing an estimate of the location of an undersea object
A system is disclosed that provides. a sonar operator with the most likely range to a target of interest. The system generates and displays a contour based on ship's parameters, target parameters,...
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6317385 |
Aquaculture feeding monitor
The invention is a system for measuring the rate of food pellet loss in a fish farming operation. The fish are held in a seacage in a body of water. Food dropped into the seacage sinks down through...
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5699318 |
Topographic composition sonar map
A video display of the bottom of a body of water uses three types of data collected from a side looking sonar system, and includes: imagery composed of highlights and shadows from the topography of...
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5598206 |
Beamformed television
A system has been invented which produces images comparable to those produced by video cameras. This BEAMFORMED TELEVISION uses a transmitting array, a receiving array, and signal processing...
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5561641 |
Underwater detection system for determining carrier frequencies of signals arriving from a wide area
The present invention is directed to provide an underwater detection system which can determine frequency components contained in echoes arriving from all azimuthal directions at high speed and...
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5541891 |
Distance sensing device
A distance sensing device for a motor vehicle, positioned at the rear of the motor vehicle, for sensing a distance to an obstacle to the rear of the motor vehicle, has a brake light unit positioned...
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5099458 |
Underwater detection system
The present invention relates to an underwater detection system which radiates ultrasonic wave search signals by a transmitter disposed at a first point in the water, receives echo signals...
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5031157 |
Color sonar for underwater object collision avoidance
A method and apparatus for presenting elevation angle information with rect to overhanging objects to an operator of a submersible incorporates a substantial portion of the sonar equipment found...
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4829492 |
Depthfinder with color LCD display
A depthfinder has a color LCD display without a polarizer. This permits viewing of the display in bright sunlight, such as would be ordinarily used for fishing, without washing out of the display....
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4706185 |
Apparatus for displaying ultrasonic image
An apparatus for displaying ultrasonic images picked-up by an ultrasonic microscope including a digital scan converter having three image memories for storing successively picked-up three...
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4694434 |
Three-dimensional imaging system
An acoustic pulse echo imaging system capable of producing an image of a three-dimensional object utilizing a two-dimensional display having perspective capabilities is described. In the system...
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4686659 |
Color sonar system for displaying echo signals from fish
In a color sonar system especially suitable for displaying fish echo signals, high and low frequency echo image signals are displayed utilizing colors corresponding to the echo signal strength,...
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4672589 |
Underwater detection system
An underwater detection system which has a transmitting and receiving unit for radiating an ultrasonic wave pulse into the water within a narrow sector and receiving echo signals by a plurality of...
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4633447 |
Response waveform characterization of geophysical data
A method of processing geophysical seismic data so as to enhance its evaluation and interpretation. A plurality of response waveform characteristics are developed from a seismic signal. The...
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4467461 |
Interactive color analysis of geophysical data
Method and apparatus for concurrently and interactively displaying a selected plurality of measurable properties of geophysical data to empirically derive the best combined presentation of the...
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4308599 |
Echo sounder transmitting radiant energy at two frequencies
An echo sounder including a unit for transmitting, into a medium, acoustic signals at two slightly differing high frequencies and in the form of pulses, resulting in the creation of an acoustic...
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4290125 |
Fish detector capable of detecting species of fish
A fish detector capable of detecting species of fish. Two ultrasonic sounds at different frequencies and echoes are detected by receivers tuned to said different frequencies, respectively. The...
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4247923 |
Method and apparatus for detecting the location of a marine pipeline or cable
Method and apparatus for detecting the location of a marine pipeline or cable, whereby acoustic pulses are transmitted by a submarine pulse transmitter carried by a vessel. These pulses, as well as...
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4247924 |
Proximity indicating equipment
A proximity indicator, for example to indicate a safe height of release of a lifeboat, uses pulsed sonar to trigger a bistable circuit into a set state by the transmitted pulses and a reset state...
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4179681 |
Target tracking sonar signal processing and display system
A sonar signal processing and display system is described which converts log return data to digital form for storage in a magnetic core memory, from which the data can be reconstituted as analog...
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4105912 |
Radar viewing device
The viewing screen of a radar apparatus contains a pair of luminescent layers having green and red luminescing colors respectively. The color of the radar image may be altered by photosensitive...
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4104609 |
Fish-finder
In a fish-finder of the type emitting ultrasonic pulses into the water and receiving and displaying the reflected waves, the received reflected waves are converted into digital signals...
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4060791 |
Imaging system
An energy imaging system providing high resolution at the center of the field of view and reduced resolution as a function of the distance away from the center.
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3986160 |
Visualization by ultrasonic detection
A system for sensing by ultrasonic vibrational energy the shape and character of objects immersed in a visually opaque transmission medium is disclosed. Frequency modulated ultrasonic waves are...
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3964012 |
Color display system in ultrasonic sonar
A fish detection sonar is provided wherein a receiver has a display device comprising a rotary disk having a display element mounted thereupon, and a scale disk disposed coaxially of and in opposed...
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3918025 |
Ultrasonic imaging apparatus for three-dimensional image display
An improved ultrasonic imaging apparatus utilizing ultrasonic waves for obtaining an image of a target object which comprises a transmitting transducer radiating ultrasonic waves whose direction of...
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3909771 |
Ophthalmic B-scan apparatus
This invention relates to an optical display system and more particularly to an improved B-scan ultrasonoscope. The apparatus may be used for scanning tissue, for example, the human eye and...
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3886489 |
Ultrasonic image converter and system
The present invention provides a system for sonifying an area such as the floor of the ocean and converting reflected signals to optical images. The system includes a sonic pulse transmitter and a...
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3845462 |
SONAR SIGNAL PROCESSING AND DISPLAY TECHNIQUE
The object of this invention is to provide an improved system for presenton of information available at a sonar receiver by the use of parallel processing and simultaneous display of individual...
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3711822 |
REFLECTED-BEAM RANGING SYSTEM
A reflected-beam ranging system in which echo signals are displayed cartographically on the screen of a color picture tube having at least two color components. A circuit means, including frequency...
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3617997 |
DISPLAY DEVICE FOR TARGET POSITION-FINDING APPARATUS
A display device for target position-finding apparatus of the type employing echo signals, which displays a true map-scale image of targets on a cathode ray tube screen. According to the invention,...
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3614720 |
LOGARITHMIC THREE-COLOR DISPLAY SONAR
The instant invention is a sonar system which incorporates a receiving trducer and a receiver having logarithmic signal compression characteristics connected thereto. A trio of signal processing...
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3603919 |
POLY-PANCHROMATIC TARGET IDENTIFICATION
In a radar or sonar system, a continuous spectrum of electromagnetic or compressional wave energy is transmitted and defines a wide band of frequencies. The receiver has one or more channels, the...
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3599478 |
SELF-CALIBRATING ULTRASONIC THICKNESS-MEASURING APPARATUS
Pulsed ultrasonic thickness-measuring apparatus utilizing three ultrasonic transducers equally spaced from the adjacent surface of an object whose thickness is to be measured. Two transducers...
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3412390 |
Echo ranging system for monitoring plurality of detection zones to determine presence of absence of objects
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3307142 |
Three-color echo ranging display
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3293614 |
Data converter system
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3292018 |
Transducers
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3156110 |
Ultrasonic detection and visualization of internal structure
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3134975 |
Radar display for collision warning device and navigational aid
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3114907 |
Two-color, two persistence radar display systems
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2901747 |
Color identification in radar systems
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2884567 |
Lamp control circuit
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2822536 |
Meteorological radar
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2780805 |
Display systems for radar
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3587298 |
Title is not available
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