Matches 101 - 150 out of 262 < 1 2 3 4 5 6 >
Match Document Document Title
5051966 Fastening means for seismic equipment  
A fastening device for fixing seismic circular devices is designed with a rigid, split, annular clamp (4) with an open void facing the seismic device (1) for insertion of at least one shock...
5046443 Steel-fiberglass float  
A seismic float is made in two parts--an upper foam-filled fiberglass hull and a lower steel hull, thereby resulting in a more stable float of reduced dimensions.
5047996 Sonar transducer  
A sonar transducer wherein a plurality of transducer modules are affixed along the length of a mounting member in the form of an elongated bar. The bar is contained within a protective housing and...
5041029 Automatic trolling arrangement  
Automated constant depth steering and automated yaw correcting techniques for fishing boats or similar craft usable in concert or separately are disclosed. The constant depth steering arrangement...
5022012 Acoustic sensing arrangements  
An underwater sensing arrangement in which hydrophones are embodied in horizontally disposed arms of a hydrophone support structure adaptive to be suspended below the surface of the water and in...
5016225 Transducer mounting bracket  
A transducer mounting bracket for mounting a sonar transducer of a fish locator on a boat transom has an elongated base formed from a thermoplastic resilient material and including a downwardly...
4999816 Hydrophone deployment system for a sonobuoy  
A sonobuoy is disclosed which has a linear array of hydrophones horizonta depolyable at sea by a metal hydride jet thruster. The thruster is powered by releasing hydrogen gas from iron-titanium...
4995010 Depth finding-trolling system  
A depth finding-trolling system for measuring the water depth and operating a trolling motor. The depth finder and trolling motor are configured within a unitary structure having dimensions of a...
4984218 Marine acoustic array configured for tow noise reduction  
A marine acoustic array employs a plurality of sections connected together sequentially with the outer surfaces of said sections having a non-smooth configuration to create a water flow along the...
4982924 Mounting apparatus for sonar transducer  
An apparatus mounts a sonar transducer to a boat. The apparatus includes a tubular member with a handle at one end and a transducer mounting bracket at the other end. The transducer mounting...
4982385 Acoustic decoupler for a sonar array  
An inner decoupler for a sonar array including a linear array of hydrophones and consisting of an alternating multi-layer configuration of acoustic compliance elements in the form of acoustic...
4980872 Transducer position control  
Universal directional orientation of the vibratory sensing face of a transducer is achieved by mounting the transducer on horizontal axles journaled by surrounding sleeves mounted on the depending...
4979153 Mounting apparatus for the sonic transducer of a fish-finder  
A mounting apparatus for the sonic transducer of a directional Doppler fish-finder includes an elongate tubular control arm and a clamp assembly for attaching the control arm to the side of a boat...
4970046 Marine seismic source frame  
An apparatus for positioning a plurality of marine seismic sources in an array. The marine seismic sources are retained in retaining means which are mounted to a frame so that each source is...
4938136 Resonant acousticmagnetic minisweeper  
A system for sweeping acoustic and magnetic mines or a combination of both s disclosed as comprising a pair of spatially disposed magnetic pipes that are held in their respective spatial...
4926399 Transducer mounting system  
A transducer mounting system for permitting the remote pivotal actuation of an underwater signal transducer. The mounting bracket permits a wide variety of transducers to be mounted upon a...
4907208 Sonar transducer assembly for fishing boats  
A sonar transducer assembly for a fishing boat provides electrical signals corresponding to an image of the area surrounding the boat on both sides thereof based on sound echoes received by the...
4897824 Sonar systems  
A sonar system for a water craft including a transducer assembly mounted to the hull of the water craft, and a control circuit for applying signals to the transducer for forward transmission by the...
4888747 Sonar transducer control arm assembly for fishermen  
A remotely actuable boom assembly for floating and positioning a sonar transducer in otherwise inaccessible positions for fishermen. A rigid, supportive frame assembly adapted to be coupled in a...
4881210 Torsionally rigid support apparatus for marine seismic transducer  
An apparatus for supporting a seismic transducer under water adjacent a towing vessel includes an elongated substantially rigid towing arm. A lower connector assembly is operably associated with...
4866682 Transducer device  
The present invention is directed to an ultrasonic device comprising a plurality of transducer elements arranged in rows and columns and acoustic insulation material maintained between each two...
4853691 Method of and apparatus for the acoustic signalling of cases of drowning in swimming pools  
The invention describes a method and apparatus for the acoustic signalling of cases of drowning in swimming pools, to guarantee reliable trigger of the alarm while avoiding any false alarms. This...
4850559 Marine instrument mounting mechanism  
Mechanism for mounting a marine instrument (I) on a boat having a mounting block (12) and a pair of brackets (10) spaced from each other on opposite sides of the block (12). There are pivots (20)...
4829494 Acoustic pinger for use in high speed water entry test bodies  
Tracking and location of a high speed water rentry vehicle is assured by the inclusion of an acoustic source. An acoustic generator in the form of a piezoelectric transducer is potted in...
4815048 Dual axis transducer  
A dual axis transducer assembly comprises a transducer (20), a yoke (24) which mounts the transducer for oscillating movement about a substantially horizontal axis. A turntable (28) mounts the yoke...
4810913 Increased sensitivity piezoelectric hydrophones  
A hydrophone is provided having at least one flexible piezoelectric sensitive element applied to a support, each sensitive element being formed of a flexible piezoelectric film associated with two...
4811310 Transducer mounter  
A transducer mounter comprises a portable housing adapted to have a wide variety of transducers fastened thereto. The housing is adjustable and releasably mounted to a boat transom by a suction cup...
4777627 Extendible sonobuoy apparatus  
A sonobuoy has several components slidably mounted in an elongated tube. The components are longitudinally stacked one above the other at the lower end of the tube when the sonobuoy is in a...
4766575 Cylindrical sonar array  
A cylindrical array employs rectangular planar array segments which extend in the axial direction when assembled on a cylindrical conducting plate having flat longitudinal portions to which the...
4745584 Sonar transducer array  
A transducer array which includes backing and an acoustic window separated by a plurality of elongated parallel rail members having notches in the sidewalls thereof. Notches in adjacent rail...
4737940 Trolling motor with sonar transducer  
An assembly is provided for mounting a sonar depth sounder transducer on an electric trolling motor such that the transducer is protected from entaglement with vegetation and from being knocked out...
4731763 Sonar antenna for use as the head of an underwater device, and method for manufacturing the same  
A sonar antenna is provided which can serve as the head of an underwater device, e.g., a torpedo, and a method for manufacturing the same. The sonar antenna is formed of a block of syntactic foam...
4709361 Flexural disk transducer  
A flexural disk transducer includes two thickness poled piezoelectric disks each of which is bonded on one side to a metal backing plate of substantial thickness and on the other side to a thin...
4692906 Ocean bottom seisometer  
An improved ocean bottom seismometer is disclosed wherein a skirted spherical configuration provides bottom weight and provides a sealed area for seawater ballast which may be ejected to provide...
4674075 Cardan suspension for microphones for sound ranging in water  
A hydrophone comprises a microphone pivotally mounted on each end of a gimballed tube. A coiled cable connects each microphone with a housing for a receiver. A tube having an external diameter...
4656616 Volumetric transducer array and erecting structure  
A structure for support of a volumetric transducer array that self-erects en deployed in water. Dual assemblies of radially arranged telescoping arms are coaxially aligned to support a plurality of...
4639903 Underwater sound delivery system  
A sound transducer mounted inside a buoy for broadcasting sounds both underwater and above water. The buoy is a hollow sphere which admits water; but whose buoyancy is maintained by air-filled...
4581685 Ultrasonic transducer  
An ultrasonic transducer having an ultrasonic vibrator for transmitting and receiving ultrasonic waves, and a reflecting plate for imparting directivity to the ultrasonic waves transmitted by the...
4536862 Seismic cable assembly having improved transducers  
A seismic cable assembly having an acoustically transparent tubular enclosure has at least one hydrophone electrically connected and positioned within the cable assembly enclosure. The hydrophone...
4534307 Adapter for installation of marine instruments  
An adapter assembly for surface mounting of marine instruments and the like through a constant diameter opening in a marine vessel surface and the like; including a cylindrical mount housing having...
4530269 Remotely initiated separation latch assembly  
The present disclosure describes a latch assembly wherein structural members are coupled to each other by an electric match-type device interposed therebetween. The latter device generally...
4525819 Horizontal geophone transducer assembly  
The geophone transducer comprises in combination: a geophone capable of detecting horizontal seismic waves, and a rigid casing having a gimbal chamber. A gimbal is provided inside the chamber on...
4485462 Transducer mounting apparatus  
Apparatus for remotely controlling the horizontal and vertical direction of a pendulously suspended transducer by means of concentric generally vertical control shafts is disclosed. A frame in...
4462330 Current stabilized underwater platform  
Apparatus for providing a stable platform for equipment to be employed in underwater environment includes a fin assembly for preventing uncontrolled azimuthal motion of the equipment when the fin...
4463454 Sonar vibration isolation transducer mount  
An apparatus for supporting in a housing, a mount adapted to carry a transducer, the mount having a predetermined positional locus, the apparatus comprising: cooperating sets of magnets attached to...
4462094 Method and apparatus for determining angle of inclination of seismometer and leveling seismic motion detectors  
A geophone is hung from a ball bearing in a pendular fashion so that it is free to swing in any direction. Because it is weighted, it will assume the correct positioning for operation. A clamp,...
4399526 Acoustic baffle for high-pressure service, modular design  
An acoustic array for use at high hydrostatic pressures comprises an acouc isolation baffle positioned adjacent to the hull; an intermediate acoustic conditioning module supported over the...
4390976 Acoustic signal conditioning device  
An underwater acoustic array comprises an acoustic skirt baffle positioned djacent to a hull surface for reducing the transmission of shipboard noise; an acoustic conditioning module positioned...
4371957 Antisubmarine warfare system  
A system for determining the direction of an underwater discrete source of acoustic vibrations by sensing acoustic wavefronts produced thereby, which system comprises a neutrally buoyant semirigid...
4358834 Self-deploying buoy system  
A self-deploying buoy system which will moor itself in various depths of er. The system has a fixed mid-water buoy and canister. In one end of the canister is an RF telemetry buoy and upper cable...
Matches 101 - 150 out of 262 < 1 2 3 4 5 6 >