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Methods and apparatus for reducing the velocity of a rider in or on an open cockpit vehicle when the rider is thrown from the vehicle.

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Class 367/113 - Cathode-ray tube


Subclass of Class 367 - Communications, electrical: acoustic wave systems and devices
Definition: Subject matter in which the display device is an evacuated
No. of patents: 61
Last issue date: 06/21/2005


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NumberTitleIssue Date
6909397Stabilizing motion in a radar detection system using ultrasonic radar range information
One preferred embodiment of the present invention provides a system and method for suppressing motion artifacts introduced by movement of a radar detection system. Briefly described, in architecture, one embodiment of the system, among others, can be implemented as ...
06/21/2005
6326915Radar device with multiplexed display functions for use in backing up a vehicle
A radar device for use in backing up a vehicle is disclosed herein. A plurality of wave sensors is installed on a rear portion of a vehicle for detecting an obstacle therebehind. A master controller has a plurality of transceiver circuits and a microproce...
12/04/2001
5598206Beamformed 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 equipment to form interactive beams. The transmitting array syst...
01/28/1997
5537380Sonar system having an interactive sonar viewing apparatus and method of configuring same
A sonar system includes an interactive sonar viewing apparatus for facilitating operator selection of a variety of features. The interactive sonar viewing apparatus can include a screen display for displaying a graphical representation of characterization...
07/16/1996
5367498Lateral direction detection sonar
The present invention relates to a PPI sonar for horizontally turning a transmitting and receiving transducer emitting and receiving ultrasonic signals in one direction within an azimuthal range in one angular direction and in the reverse angular directio...
11/22/1994
5363307Measuring apparatus having an indicator for displaying tide or tidal current data
A measuring apparatus such as a fish school detecting apparatus or a navigation apparatus which displays tide or tidal current data and is installed on a ship. The measuring apparatus comprises a transmitter/receiver for emitting ultrasonic search signals...
11/08/1994
5285388Detection of fluid reflection for echo sounding operation
An echo sounding system includes an acoustic gun which is mounted to the wellhead of a borehole. The acoustic gun produces an acoustic pulse which is transmitted down the borehole. A tubing string is installed in the borehole and has substantially evenly ...
02/08/1994
4982384Split beam sonar
A sonar system is disclosed that includes contiguously angularly disposed d oppositely rotated transmitting and receiving transducers for broadcasting an acoustic signal and for receiving target echoes thereof, respectively, at different angles from withi...
01/01/1991
4809242Apparatus for processing fish detection signals
Disclosed is a signal processor for an ultrasonic fish detector, in which the signal processing circuit is arranged separately from the display unit, whereas conventionally both are configured integrally, within a case with the provision of a composite co...
02/28/1989
4774573Method and apparatus for generating a video display from signals produced by borehole scanning
Apparatus for creating a video display from information generated by acoustically scanning a reflecting boundary circumferential of a borehole. A downhole tool generates a first signal each time a rotating transducer therein passes through magnetic north....
09/27/1988
4729121Underwater detection system
An underwater detection system display underwater conditions on an indicator comprised of a monochrome cathode ray tube with two groups of different degrees of brightness. One group of different degrees of brightness is related to the amplitude of echo si...
03/01/1988
4694434Three-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 angular relationships of targets at all ranges are maintained...
09/15/1987
4672589Underwater 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 reception beams, and turns the transmitting and receiving ...
06/09/1987
4653032Arrangement for the determination of the direction and/or distance of objects by means of water-borne sound waves
The system is for determining the direction and/or distance of objects and, especially of watercrafts, by means of water-borne sound waves transmitted from the ship to a torpedo, for example. The system includes a cathode ray tube located on the ship for ...
03/24/1987
4644511Display system for fish sonar
A display system for fish sonar displays two ultrasonic echo signals of different frequencies from the left side to the central portion and from the central portion to the right side on the screen of a cathode ray tube. After the two ultrasonic echo signa...
02/17/1987
4642801Visual display process for sonars
A visual display process of objects identified by a classification sonar consisting of modifying the visual display cathode ray tube scan laws in order to obtain a representation which is modified according to a perspective mode where the ratio of their h...
02/10/1987
4492117Ultrasonic nondestructive test apparatus
An ultrasonic transmitting element and an ultrasonic receiving element are arranged in a sample liquid in opposition to each other. Either the ultrasonic transmitting element or the ultrasonic receiving element is finely vibrated, and the difference betwe...
01/08/1985
4479206Scanning sonar display system
A Scanning Sonar Display System comprised of a TV monitor, a scanning mechanism with transducer, control logic with image memory and timing, a power source such as a 12 volt storage battery and a set of operator controls. The type of TV monitor used is we...
10/23/1984
4410966Method and apparatus for detection of insoluble sinking pollutants
A method and apparatus for locating and mapping a pool of a pollutant (12) in a body of water (11) comprising the steps of scanning the bottom of said body of water with ultrasonic energy using a transducer (10) periodically pulsed to project pulse envelo...
10/18/1983
4397008Echo sounder with CRT display
In an echo sounder including a cathode-ray tube display device for providing a visual display in the form of a succession of image frames each composed of a series of image lines extending in a first direction on the display and spaced apart in a second d...
08/02/1983
4347591Imaging sonar system and method
An imaging sonar system is disclosed comprising a transmitter, a receiver, and a rotatable transducer coupled with the transmitter and receiver for generating sound waves and for detecting echoes therefrom. Drive means are provided for rotating the rotata...
08/31/1982
4310903Method of and apparatus for providing information as to the existence or position of objects
A method of and apparatus for locating an object by stress wave energy reflection in which the wave energy is transmitted as a beam by transmitting transducer elements, and is scanned through successive sectors of a field of view by imposing differential ...
01/12/1982
4300216Multi-channel fishscope
The present invention entails a multi-channel fishscope that includes an expandable microprocessor unit that is adapted to receive echo profile signals from one or more transmitter-receiver modules and through voltage comparatory networks generating an ou...
11/10/1981
4298965Directivity display device and method
A directivity display device and method are disclosed which involve a first saw-tooth generator producing a scan signal and a brilliance modulation circuit producing a brilliance modulated signal derived from the characteristic output of a test object wit...
11/03/1981
4234937Peak detector for resolution enhancement of ultrasonic visualization systems
A digital electronic system for improving the resolution of dynamic range-handling capacity for received ultrasound in reflection or transmission imaging systems. This system provides a means for preventing loss of structural detail in the display by mini...
11/18/1980
4213198Method for classification of sonar echoes
1. A method for distinguishing between submarine and non-submarine sonar gets comprising the steps of producing a series of permanent displays of sonar target echoes having fixed electrical characteristics by projecting a beam of energy pulses of more th...
07/15/1980
4210904Method and apparatus for converting analog ultrasonic echo signals into digital form
A method and apparatus are provided for converting into digital form the analog ultrasonic echo signals received as a result of cyclically transmitted ultrasonic search signals intercepting an acoustic discontinuity in a workpiece. The ultrasonic echo sig...
07/01/1980
4204281Signal processing system for underwater transducer
1. A high resolution sound wave detecting system having a fan-shape beam of receiver sensitivity comprising a pair of transducers having elongated active faces coplanar and in end to end relation, an output signal channel for each transducer, means includ...
05/20/1980
4202050Multi-angular sector sound transmitting and receiving system
This disclosure relates to multi-angular sector sound transmitting and receiving systems embodying stacked pluralities of arrays of transducers and novel scanning arrangements and circuits for enabling the display of the sound-wave reflections emanating f...
05/06/1980
4201971Ultrasonic centering apparatus
An ultrasonic centering apparatus, wherein it comprises at least one ultrasonic transducer placed within an enclosure, said transducer transmitting at least one ultrasonic wave, means for collecting the different ultrasonic echos from the walls of said en...
05/06/1980
4197591Facsimile recording of sonic values of the ocean bottom
1. A towable spread for surveying a water-submerged surface with a single towing vessel comprising at least two laterally spaced submarine vehicles of which at least one is dirigible, tow cables of substantially equal lengths attached to said vehicles, me...
04/08/1980
4154114Biometric measuring device
A biometric measuring device measures distances between selected elements in a human body, and in particular, the human eye. Trace means produces respective signals for a preselected number of cycles wherein each signal represents the distance between the...
05/15/1979
4119939Acoustic imaging method and apparatus
In acoustic imaging method and apparatus using a plurality of acoustic transducers for transmitting and receiving non-directional acoustic waves, the intensities or magnitudes of the received signals corresponding to the propagation times required for the...
10/10/1978
4115752Echo sounding device with cathode ray tube display
An echo sounding device for searching and exploring the depth of a body of water is provided with a cathode ray tube (CRT) display showing the echo returns. A memory device is provided to store the electrical signal levels of the echo returns while new si...
09/19/1978
4104609Fish-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 corresponding to their levels and written into a main memory as inform...
08/01/1978
4102203Underwater inspection and communication apparatus
A system for non-destructive underwater evaluation of structures comprises an ultrasonic testing means, such as a transducer, means for converting the output thereof into a visual signal, such as an oscilloscope, and means for conveying that visual signal...
07/25/1978
4099179Method and system of electronic image storage and display
A method and system of electronic image storage and display wherein the display is viewed on a raster scan TV display and the incoming signal comprises a sequence of scan lines whose line rate is lower than that of the horizontal TV line rate and is an in...
07/04/1978
4097835Dual transducer arrangement for ultrasonic imaging system
Combination Doppler and B-scan ultrasonic imaging apparatus is disclosed which includes visual display means for the simultaneous visual display of received ultrasonic Doppler and B-scan information. The apparatus includes first and second focused transdu...
06/27/1978
4086560Secret depth sounder
1. The method of measuring depth of a body of water comprising the steps of ecording the natural ambient noises at the location where the depth is to be measured, projecting the recorded noises back into the surrounding body of water, receiving the reflect...
04/25/1978
4079352Echo sounding technique
An ultrasonic echo sounding technique for reducing unwanted echoes from reflectors outside the focal line of a focused ultrasonic field is disclosed. In this technique at least two pulse-defined ultrasonic waves are successively transmitted. The amplitude...
03/14/1978
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