Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 7333084 | Thumbwheel and switch for a mobile electronic device and methods thereof A mobile electronic device has a thumbwheel subassembly having measurable rotatable and depressible input movements, for example, rolling the thumbwheel up, rolling the thumbwheel down and pushing the thumbwheel inwards. Pushing the thumbwheel with a measurable comp... | 02/19/2008 |
| 7327636 | Underwater sounding apparatus and method capable of calculating fish school information, volume of fish school and backscattering strength of single fish An underwater sounding apparatus includes a transducer transmitting an acoustic sounding beam along a plurality of directional surfaces that intersect in three-dimensions and receiving echoes returning from within a fish school using receiving beams. The transducer ... | 02/05/2008 |
| 7272075 | Personal sonar system The sonar device includes a sonar transducer, a noise filter, a microprocessor and an output device. The system warns the user when a hazardous objects is detected or when signals from companions decrease. The portable sonar device can be built into various waterspo... | 09/18/2007 |
| 7242638 | Method and system for synthetic aperture sonar A method and system for synthetic aperture sonar provide improved position estimates of a receive array as in moves through a body of water. ... | 07/10/2007 |
| 7239263 | Platform shake compensation method in synthetic aperture processing system The present information comprises the stages of: applying frequency analysis to positional information on a platform, generating virtual positional information on the platform based on a frequency analysis result; extracting a signal based on the generated virtual p... | 07/03/2007 |
| 7236427 | Vessel hull transducer modular mounting system A vessel hull transducer modular mounting system enables transducers to be replaced and upgraded without necessitating the further modification of the hull and thus not necessitating the dry-docking of the vessel. A further feature includes the ability to reduce and... | 06/26/2007 |
| 7228236 | Subarray matching beamformer apparatus and method A method of beam forming an array, by computer processing a cross covariance, of the reference sub array seismic signal data signal, by having an unknown shape comprising receiving acoustic signals, via the array, and computing the data and segmenting the array into... | 06/05/2007 |
| 7224640 | Underwater acoustic bearing sensor In an underwater acoustic bearing sensor, the vector sensor, heading sensor, and pitch and roll sensor are held in a common mounting ring to ensure that their coordinate systems are collinear. The vector sensor includes x, y, and z accelerometers mounted in the ring... | 05/29/2007 |
| 7207940 | Ultrasonic probe and ultrasonic transmitting and receiving apparatus using the same An ultrasonic probe in which transducer array including ultrasonic transducers out of the specifications can be used so that the yield in the manufacture of transducer arrays is improved. The ultrasonic probe to be used when connected to an external apparatus main b... | 04/24/2007 |
| 7193930 | Quantitative echo sounder and method of quantitative sounding of fish A quantitative echo sounder includes delay circuits, phase correction circuits, an incidence angle calculator and a directivity correction unit. The delay circuits adjust transmission start timing or phases of acoustic waves radiated by individual vibrating elements... | 03/20/2007 |
| 7075858 | Signal processing method for a towed linear antenna The disclosure relates to a signal processing method for a towed linear antenna, notably to resolve right-left ambiguity, said antenna comprising a set of hydrophone multiplets each with n≧3 hydrophones spread over a straight section of the longitudinal axis of sa... | 07/11/2006 |
| 7035166 | 3-D forward looking sonar with fixed frame of reference for navigation An imaging sonar system develops three-dimensional images of the space below, to the sides, and forward of a ship relative to a fixed frame of reference. Various features permit the system to be used in non-military environments and make possible low cost with subst... | 04/25/2006 |
| 6912176 | Active element array apparatus for displaced phase center systems A synthetic aperture side looking sonar system which includes an array of active elements, which provide output signals in response to acoustic reflections received from a target area, during travel over the target area. The array has a first section of elements, th... | 06/28/2005 |
| 6577556 | Free-floating altitude stabilized system A free-floating altitude stabilized system is provided. Independently energizable wire coils are linearly aligned with one another in a vertical direction on a buoyant body. An induced magnetic field is generated by any of the wire coils that are energize... | 06/10/2003 |
| 6201763 | Depthimeter The depthimeter comprises a heave sensor, a mean path compensator and a combiner. The mean path compensator comprises a ranging device which measures the instantaneous distance of the vehicle from a fixed point on the vehicle to ocean surface as a functio... | 03/13/2001 |
| 6185505 | Broad ocean bathymetric fix A method of correcting errors in in inertial navigation system, without imposing restrictions on the ships course, utilizing bathymetric data collected during the Ocean Survey Program (OSP). As the ship is in transit in or crosses an OSP swath, sonar tran... | 02/06/2001 |
| 5883856 | Power switching method for marine seismic acquisition systems An improved bottom cable for a seismic marine data acquisition system 10. The bottom cable 30 includes a cable section 30b having a bus 48. The cable, along with the cable section and bus, are used to electrically connect a master control unit 40 to first... | 03/16/1999 |
| 5781504 | Shallow water beamforming methodology for toroidal volume search sonar An apparatus and method for beamforming for a toroidal volume search sonar. onar array vehicle motion is used to reduce reverberation by fixing beams geometrically in space to prevent beam contact, prior to a specified range, with the sea surface or sea bo... | 07/14/1998 |
| 5528554 | Linear array lateral motion compensation method A method for compensating for lateral distortion in a moving linear array using a frequency domain beamformer, comprising the steps of measuring the instantaneous lateral distortion of the linear array at discrete points along the array, corresponding to ... | 06/18/1996 |
| 5485432 | Method of measuring the acoustic backscatter property of the floor of bodies of water A method is provided for measuring the acoustic backscatter property of the floor of a body of water in which an acoustic multibeam echosounder employed on a ship is used to measure the sonic backscattered from a narrow transmission target strip on the se... | 01/16/1996 |
| 5390152 | Forward looking echosounder A forward looking echosounder uses a non-scanning forward looking transducer inclined from the horizontal at a 45° angle. The forward looking transducer produces a set of acoustic data signals indicative of echo signals received along the central axis of... | 02/14/1995 |
| 5331603 | Magnetic heading sensor alignment and roll reducing device A magnetic heading sensor alignment and roll reducing device is provided. A enerally cylindrical assembly has a first end and a second end. Each end has a plurality of grooves located equiangularly on a circle with the center thereof located at the cylindr... | 07/19/1994 |
| 5317542 | Ship's attitude data converter Ship's attitude parameters, including pitch, roll and heading, provided in he form of synchro signals by redundant sensors, are distributed to various shipboard systems by a synchro selector binary switching tree under the control of a digital processor. T... | 05/31/1994 |
| 5299173 | Method and apparatus for underwater sonar scanning A sonar buoy 40 has narrow-beam sonar heads 80, 82 driven by a stepper motor 84. The heads produce sonar data for example accurately measuring the seabed. The buoy is handled by a crane wire 41 held taut by a float above the buoy and attached to a clump w... | 03/29/1994 |
| 5245586 | Apparatus and method for suppressing reflections at an ultrasound transducer For suppressing reflections of an acoustic reception signal at a transmitting/receiving ultrasound transducer, the ultrasound transducer is connected to a compensation circuit which supplies the ultrasound transducer with a compensation transmission signa... | 09/14/1993 |
| 5142497 | Self-aligning electroacoustic transducer for marine craft A transducer apparatus for marine pleasure craft employs only gravity-induced forces to always orient its electroacoustic transducer in a downward direction or other predetermined direction. The apparatus mounts on the transom or hull of a pleasure craft,... | 08/25/1992 |
| 5097451 | Radial damper disk A motion dampening device is described that is efficiently and conveniently ackaged with sonobuoy components to reduce the effects of vertical motion caused by surface waves or internal buoyant forces. A plurality of spring steel spokes connected by sectio... | 03/17/1992 |
| 5089988 | Method and apparatus for compensating sensitivity fluctuations in a hydrophone transducer array A method and apparatus for compensating sensitivity fluctuations in signals received from respective groups of hydrophones for the purpose of subsequent signal processing, the groups being arranged in a predetermined sequence (0, 1, 2, . . . i) to form a ... | 02/18/1992 |
| 5077696 | Floating sensor to detect very low frequency pressure signals A floating sensor system is provided to detect very low frequency pressure ignals (down to 0.01 Hz). This system detects pressure fluctuations or pressure signals of interest in the ocean or other body of water in the presence of unwanted pressure signals ... | 12/31/1991 |
| 5058082 | Linear hydrophonic antenna and electronic device to remove right/left ambiguity, associated with this antenna A linear hydrophonic antenna with an associated portside/starboard ambiguity removing device comprises three streamers placed in an equilateral triangle, with a center distance of the order of a third of the wave length which corresponds to the center fre... | 10/15/1991 |
| 5020034 | Directional antenna with multiple transducers, in particular for a sonar Antenna, in particular for a sonar, allowing to form directional channels by feeding the transducers by a reduced number of sources by means of an interpolation network that permits to maintain to a low level the image lobes in spite of this reduction of ... | 05/28/1991 |
| 5008863 | Low noise sonar support system A sonar support system that is suspended beneath a ship in a low drag U-sed hydrofoil mounting assembly is provided. The assembly is attached at its upper end to suitable means for pivotally rotating the transverse hydrofoil strut containing a sonar arra... | 04/16/1991 |
| 4953145 | Active phase quieting target highlight detector An active phase quieting target highlight detector using phase and magnitude detection. In contrast to classical magnitude-only detection schemes, the present invention, by combining phase detection, can discriminate sets of spatially-ordered highlights d... | 08/28/1990 |
| 4952938 | Wire detector An underwater, towable wire detector wherein a pick-up coil is carried in R.F. (radio frequency) signal shield that is positioned by gravity to receive only those emanations receivable upwardly through an R.F. window therein.... | 08/28/1990 |
| 4929952 | Search-radar azimuth correction A system for generating a corrected azimuth signal for a radar system hav a radar antenna and a radar display where the radar antenna is mounted on a craft that is subject to motion and that has a stable reference source. A digital computer is connected ... | 05/29/1990 |
| 4893284 | Calibration of phased array ultrasound probe The dynamic range of ultrasound images is extended by providing compensation of errors inherent in the manufacturing process of medical ultrasound phased array probes. Time delay errors are predetermined and stored in a memory associated with each probe. ... | 01/09/1990 |
| 4780860 | Beam forming device The present invention relates to a beam forming device for forming a uniform radiation beam and/or a reception beam. In radiation, the transducer is vibrated in such a way that the pressure of a sound wave produced from each point of the vibrating surface... | 10/25/1988 |
| 4697253 | Sonar heave compensation system A ship-borne sonar heave compensation system measures the heave at time of transmit and at the expected time of receive of a bottom-echo which is approximated by the previous depth determination corrected for heave. Using these values of heave, the depth ... | 09/29/1987 |
| 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 which the transducer is mounted for rotation about a tilt axis... | 11/27/1984 |
| 4454597 | Conformal array compensating beamformer A narrow band compensating beamformer for a receiving array that conforms some surface other than a plane and thus is, in general, three dimensional. The array comprises a number of sensing elements arranged in a non-planar pattern. Each sensing element ... | 06/12/1984 |
