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US20110090763 |
PERSONAL WATER SAFETY DEVICE AND METHOD THEREOF
A personal water safety device includes at least two sonar receivers, at least one water sensing device, and an alarm apparatus. The at least one water sensing device communicates with each of the... |
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US20110096633 |
PORTABLE DIVER APPARATUS, COMPRISING A PORTABLE COMPUTING DEVICE AND AN ADD ON DIVER DEVICE
A portable diving apparatus, which comprises: (a) a water proof casing which comprises an external key pad; (b) a portable computing device within said water proof casing, said portable computing... |
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US20090147624 |
Sound Collection Environment Deciding Device, Sound Processing Device, Electronic Appliance, Sound Collection Environment Deciding Method and Sound Processing Method
A sound collection environment deciding device for deciding whether the sound was collected in air or in water by utilizing an audio signal of collected sound is provided. Methods of Utilizing the... |
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US20120236689 |
Acoustic transducers for underwater navigation and communication
Methods and transducers for producing acoustical signals having a spiral wavefront with omnidirectional magnitude and a phase that varies with angle and transducers for producing broadband... |
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US20090268554 |
Underwater sound projector system and method of producing same
An underwater sound projector system comprises multiple sound projectors, each sound projector being capable of producing acoustic pressures. The sound projectors are held in close proximity such... |
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US20110199863 |
Multi-Vessel Communication System
A method for communicating between marine vessels includes the steps of connecting a communication hub and a first marine vessel via a cable; transmitting an electronic signal via the cable... |
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US20120087518 |
Full Range Planar Magnetic Microphone and Arrays Thereof
Contemplated planar magnetic microphones have a magnet and diaphragm arrangement such that substantially homogenous vertical and high horizontal magnetic flux density is realized in the... |
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US20130094330 |
METHODS AND APPARATUS FOR PASSIVE DETECTION OF OBJECTS IN SHALLOW WATERWAYS
A method and system for detecting watercraft in shallow waterways. In one example, an underwater detection system includes an underwater power source, an acoustic sensor, a controller coupled to... |
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US20110170375 |
MARINE SIREN SEISMIC SOURCE
A very low frequency marine seismic source has a reservoir of water (47) feeding water to an aperture communicating with the surrounding water (13). The rate of water flow through the aperture is... |
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US20120188848 |
ULTRASONIC UNDERWATER PAGER
Disclosed herein is an underwater pager configured such that a hole is not formed in the outer wall of a casing. The ultrasonic underwater pager includes an ultrasonic transducer for transmitting... |
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US20130279298 |
MONITORING OF UNDERWATER MOORING LINES
In some aspects of the inventive subject matter, there is provided a monitor for monitoring at least one operational condition of an underwater mooring line, the monitor comprising an elongate... |
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US20070070813 |
Housing for accommodating an audio device for underwater use
A housing comprises a rigid container and a lid adapted to fit the rigid container, wherein the rigid container is adapted to accommodate an audio device. A hub with an external recess is formed... |
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US20130279299 |
Underwater Navigation
An underwater navigation system comprising a transmitter having an electrically insulted magnetic coupled antenna for transmitting an electromagnetic and/or magneto-inductive signal, a receiver... |
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US20090031940 |
Underwater Vehicle With Sonar Array
An underwater vehicle including an axi-symmetric framing system rotatable about a centerline to define a shell of revolution having a uniformly-convex outer boundary. A narrow-beam sonar array is... |
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US20090201763 |
Airborne Laser-Acoustic Mine Detection System
A system and method is provided for using acoustical pulses generated from an airborne laser source to locate objects under water. An array of acoustic sensors, such as passive sonobuoys at the... |
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US20110090762 |
Underwater navigation system
The present invention provides an underwater navigation system which can determine the bearing and the range of a remotely located beacon from a navigation station. The remotely located beacon... |
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US20090238042 |
METHODS AND SYSTEMS FOR UNDERWATER NAVIGATION
A method for navigating underwater is disclosed. The method uses a navigation system to project a first velocity measurement along one or more signal beams having a second velocity measurement,... |
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US20090114140 |
SUBSEA OPERATIONS SUPPORT SYSTEM
An underwater operations support system facilitates underwater exploration, monitoring, maintenance and construction operations associated with development of natural resources. The operations... |
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US20120051186 |
VALVE CONDITION MONITORING
A method for monitoring the operation of underwater-located equipment is provided. The method comprises: providing a sensor, the sensor comprising at least one of an acoustic sensor and an... |
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US20140293749 |
METHOD AND DEVICE FOR AUTOMATICALLY DETECTING MARINE ANIMALS
A method is provided for automatically detecting marine animals, carried out by a detection device. The method includes obtaining acoustic signal measurements collected by at least one acoustic... |
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US20100061187 |
POSITIONING SYSTEM
A passive listening acoustic system and method of use may include source means for providing continuous, pulsed, or pulse coded acoustic signals at two or more frequencies and at least two... |
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US20120269037 |
BROADBAND SOUND SOURCE FOR LONG DISTANCE UNDERWATER SOUND PROPAGATION
The systems described include a light-weight, low frequency (200 Hz-1000 Hz), broadband underwater sound sources that comprise an inner resonator tube with thin walls tuned to a certain frequency... |
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US20070297290 |
Systems and Methods for Providing Connectivity in an Underwater Environment
A system for providing connectivity in an underwater environment includes a linking system, a target and a linking member. The linking system includes a first base and an unmanned, submersible... |
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US20120170421 |
UNDERWATER COMMUNICATIONS
An environmental monitoring system including at least one underwater measurement device and a transmitter for transmitting data from the measurement device to an above water station using a... |
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US20120170420 |
UNDERWATER COMMUNICATIONS
An environmental monitoring system including at least one underwater measurement device and a transmitter for transmitting data from the measurement device to an above water station using a... |
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US20120170419 |
UNDERWATER COMMUNICATIONS
An environmental monitoring system including at least one underwater measurement device and a transmitter for transmitting data from the measurement device to an above water station using a... |
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US20120170418 |
UNDERWATER COMMUNICATIONS
An environmental monitoring system including at least one underwater measurement device and a transmitter for transmitting data from the measurement device to an above water station using a... |
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US20120170417 |
UNDERWATER COMMUNICATIONS
An environmental monitoring system including at least one underwater measurement device and a transmitter for transmitting data from the measurement device to an above water station using a... |
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US20120170416 |
UNDERWATER COMMUNICATIONS
An environmental monitoring system including at least one underwater measurement device and a transmitter for transmitting data from the measurement device to an above water station using a... |
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US20120170415 |
UNDERWATER COMMUNICATIONS
An environmental monitoring system including at least one underwater measurement device and a transmitter for transmitting data from the measurement device to an above water station using a... |
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US20110149691 |
Supercavitating Projectile Tracking System and Method
A system for three-dimensional tracking of high speed undersea projectiles may utilize a distributed field of randomly positioned passive acoustic sensors. The system measures variables related to... |
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US20150098306 |
METHOD OF PASSIVE ACOUSTIC DEPTH DETERMINATION IN SHALLOW WATER
A method of acoustic depth determination in shallow water. At least one standard acoustic sensor located below an ocean thermocline is provided. The at least one acoustic sensor operates at a... |
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US20090279389 |
ULTRASONIC SIGNAL COMMUNICATION DEVICE, COMMUNICATION DEVICE, COMMUNICATION DEVICE FOR DIVERS, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD
An ultrasonic signal communication device that has an ultrasonic oscillation unit that has at least two resonance frequencies according to the oscillation mode, a transmission unit that generates... |
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US20090208219 |
Multimode Communications System
A multimode wireless communications system that uses the three mechanisms of light, radio and acoustic carriers either in combination or through selection of the most appropriate carrier. |
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US20070280053 |
WATERPROOF AUDIO HEADSET
Disclosed herein is a waterproof audio headset comprising a speaker contained within a submersible waterproof housing. |
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US20080165617 |
Methods of and systems for continually measuring the range between mobile underwater vehicles carrying acoustical signal transmitters and remotely deployed synchronized underwater acoustical receivers provided with signal processing for continually determining such range during the underwater moving of the vehicle, and for measuring acoustic underwater transmission loss, geoacoustical properties and for other purposes
Invention relates to a novel method of and system for ranging between an acoustic source carried on an unmanned or autonomous undersea mobile vehicle (UUV or AUV) and preferably a plurality of... |
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US20120188844 |
ACOUSTIC REFLECTORS
An acoustic reflector comprises a shell surrounding a solid joint free core, said shell being capable of transmitting acoustic waves incident on the surface of the shell into the core to be... |
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US20070165489 |
Underwater sounding method and apparatus
Methods and apparatuses process signals. The method according to one aspect of the present invention receives a first signal; obtains a second signal and a third signal from the first signal,... |
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US20100110835 |
Underwater navigation
An underwater navigation system comprising a transmitter having an electrically insulted magnetic coupled antenna for transmitting an electromagnetic and/or magneto-inductive signal, a receiver... |
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US20150138922 |
VOLTAGE DROP PROTECTION APPARATUS, TRANSMISSION DEVICE, AND VOLTAGE DROP PROTECTION SYSTEM
A voltage drop protection apparatus is provided. The voltage drop protection apparatus includes a power source, a controller electrically connected with the power source and configured to control... |
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US20120294112 |
SYSTEM FOR MEASURING A TIME OFFSET AND METHOD OF MEASURING A TIME OFFSET
A system and method measures the time offsets of a plurality of acoustic sensor nodes relative to a reference time. The system includes an acoustic transceiver arranged to transmit a first signal... |
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US20140321236 |
METHODS AND UNDERWATER BASES FOR USING AUTONOMOUS UNDERWATER VEHICLE FOR MARINE SEISMIC SURVEYS
An underwater base handles an autonomous underwater vehicle. The underwater base includes a storing part configured to store the AUV; a control part configured to control the storing part; and a... |
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US20140010051 |
METHOD AND APPARATUS FOR TRANSMITTING SOUND WAVES IN WATER
Provided are a method and apparatus for transmitting sound waves in water. The method for transmitting sound waves in water includes generating a sound wave signal, and transmitting the sound wave... |
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US20110128822 |
Underwater Communications
A method of underwater communication between a link initiator and a link receptor, by transmitting a link acquisition waveform from the initiator to the receptor, and establishing communications... |
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US20090041145 |
METHOD TO DETECT DATA TRANSMITTED FROM MULTIPLE ANTENNAS AND SYSTEM THEREOF
A method to detect data transmitted from multiple antennas, said method comprising steps of: selecting a starting data block and calling it as previous data block; defining a set of indices of... |
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US20080144442 |
Apparatus, systems and methods for seabed data acquisition
Seabed sensor units, systems including same, and methods for acquiring seabed data are described, one seabed sensor unit comprising a base, the base containing at least one sensor able to detect a... |
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US20150260860 |
Method for Localizing a Marine Mammal in an Underwater Environment Implemented by a PAM System, Corresponding Device, Computer Program Product and Non-Transitory Computer-Readable Carrier Medium
A method for localizing a marine animal in an underwater environment implemented by a passive acoustic monitoring (PAM) system. The passive acoustic monitoring system includes network of acoustic... |
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US20140269202 |
SYSTEM AND METHODS OF ACOUSTIC MONITORING
A high performance computing strategy along with the capability to integrate various layers of data within a modeling framework incorporates various tools such as ambient noise, vessel and animal... |
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US20120170414 |
ACOUSTIC SIGNAL DETECTOR
Disclosed is an acoustic signal detector for detecting a target with moving in water. The acoustic signal detector may include a body having a front portion, the front portion having a cross... |
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US20110242943 |
Hydrophone and Hydrophone Assembly for Performing Stereophonic Underwater Sound Recordings
A hydrophone for recording underwater sound includes a housing having an outer surface designed to serve as a boundary surface for an incident sound wave and at least one vibration sensor having a... |