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Patent No. 5926857

Armor With Rollers

An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.

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Class 315/368.27 - Including particular magnetic field distribution


Subclass of Class 315 - Electric lamp and discharge devices: systems
Definition: Subject matter which specifically describes the spatial
No. of patents: 38
Last issue date: 07/11/2006


NumberTitleIssue Date
7075075Charged particle deflecting system
The invention provides a deflecting system for deflecting a charged particle beam from a first direction to a second direction, the deflecting system comprising a first deflector for deflecting said charged particle beam off the first direction within a first deflec...
07/11/2006
7034449Image display apparatus and method of manufacturing the same
An image display apparatus is provided, in which the generation of discharge can be suppressed and a preferable display image can be obtained. A method of manufacturing an image display apparatus having an airtight container including a rear plate having a plurality...
04/25/2006
6924590Color picture tube device with distortion correction coils
A color picture tube device has a funnel glass, a pair of horizontal deflection coils, an insulating frame, and a pair of vertical deflection coils. The pair of horizontal deflection coils are opposed to each other in a vertical direction around the outer surface of...
08/02/2005
6586893Convergence correction device for electron beams in color picture tube and process of using
A device for correcting residual mis-convergence errors in a color cathode ray tube, the tube including a narrow-necked section, located at the rear thereof, in which electron guns mounted therein generate forwardly-directed red, blue and green electronic...
07/01/2003
6501238Apparatus for correcting mis-convergence and geometric distortion in deflection yoke using variable resistance
The present invention relates to a deflection yoke, and in particular, to an apparatus for correcting a mis-convergence and geometric distortion in a deflection yoke using a variable resistance, proving a more convenient way to adjust VCR by adjusting the...
12/31/2002
6498435CRT display device to suppress electromagnetic radiation therefrom
To construct a CRT display device capable of effectively suppressing unwanted radiation of electromagnetic waves occurring as a result of horizontal deflection or vertical deflection. A correction lead (6) series-connected to horizontal deflection coils (...
12/24/2002
6492783Deflection yoke and cathode ray tube device
Horizontal line misconvergences produced at screen upper and lower portions, among rasters displayed by side electron beams are corrected without producing degradation in vertical deflection sensitivity so much and changing horizontal trapezoidal distorti...
12/10/2002
6424084Cathode ray tube apparatus including an electron gun assembly capable of dynamic astigmatism compensation
In the electron gun assembly of a cathode ray tube, a main electron lens portion is formed by a fifth grid to an eighth grid, and incorporates a quadrupole lens. The fifth grid receives a voltage obtained by superposing, on a voltage as a reference voltag...
07/23/2002
6404133Cathode ray tube device that reduces magnetic field leakage
Two closed-loop coils are respectively set at the top or the bottom of a cathode ray tube. These two closed-loop coils serves in a pair as a cancel coil. Each closed-loop coil is positioned so as to make an interlinkage with the magnetic field leakage tha...
06/11/2002
6380699Color display tube device
A first magnet that generates a magnetic field having the same polarity as that generated by a vertical deflection coil during a deflection toward the upper side is provided on a phosphor screen side of the deflection coil and above a horizontal axis. A s...
04/30/2002
6359397Deflection yoke and color cathode ray tube receiver using same
In a deflection yoke for use in a color cathode ray tube receiver, two sets of sextuple pole coils formed of bifilar windings are disposed around the orbits of three electron beams emitted from an electron gun of a cathode ray tube. Horizontal-period para...
03/19/2002
6291948Image distortion correction circuit
An image distortion correction circuit is provided in which a horizontal deflection current (IH) flows through horizontal correction coils (L1, L2) and a vertical deflection current (IV) flows through either of vertical correction coils (L3, L4). The vert...
09/18/2001
6268705Raster demodulation apparatus and method
Raster demodulation apparatus for a raster-scanned cathode ray tube display comprises control means (400) for varying the shape of at least one scanned electron beam spot (661-663) in a direction perpendicular to scan lines of the raster. The control mean...
07/31/2001
5828189Process and apparatus for magnetizing a magnetic ring for static convergence correction in a CRT
A process and apparatus are described for custom magnetizing a magnetic ferrite ring on the outside of the neck of a color cathode ray tube (CRT), in order to provide correction of convergence, color purity and frame errors in the CRT. The two step proces...
10/27/1998
5493179Image display apparatus, computer apparatus, computer system equipped with both of them and control method of computer system
A computer system executing a degaussing operation of a display monitor, an input-prohibiting/permitting operation of a display-adjusting key and a shifting operation to a waiting state is provided. In the computer system of the present invention, indicat...
02/20/1996
5350967Inline electron gun with negative astigmatism beam forming and dynamic quadrupole main lens
In an inline electron gun for use in a color cathode ray tube (CRT), a fixed, or static, electrostatic quadrupole in the low voltage beam forming region (BFR) exerts a negative astigmatism on the electron beams in reducing beam horizontal cross-section an...
09/27/1994
5177412Color cathode ray tube apparatus
A deflecting unit of a color cathode ray tube is constituted by a main deflecting section whose deflecting center is located on a phosphor screen side from an optimal deflecting center of the color cathode ray tube and at least one sub deflecting section ...
01/05/1993
5172035Convergence system
A system for generating magnetic fields to converge a plurality of electron beams in a cathode-ray tube including at least one convergence yoke having a core with a ring-shaped outer periphery and a plurality of magnetic poles on an inner periphery thereo...
12/15/1992
4864195Color display system with dynamically varied beam spacing
The improved color display system includes a cathode-ray tube and a magnetic deflection yoke positioned on the tube. The tube includes a faceplate having a phosphor screen thereon; a shadow mask adjacent to said screen; and an electron gun for generating ...
09/05/1989
4820958Color cathode ray tube device
Three electron beams are generated so that they are arranged in-line in a horizontal plane to impinge through a shadow mask on a phosphor screen consisting of red, green and blue phosphors. These beams are generated practically parallel. In the deflection...
04/11/1989
4725763Convergence correcting device capable of coma correction for use in a cathode ray tube having in-line electron guns
A convergence correcting device for correcting mis-convergence of a cathode ray tube having in-line electron guns and, at the same time, correcting coma at the top and bottom of the screen, the device comprising pole pieces provided for the outermost elec...
02/16/1988
4719391Convergence circuit
The convergence circuit has the bridge type rectifying circuit and the first potentiometer parallel-connected to this rectifying circuit and having the slide which is connected to the output terminal at the hot side of the rectifying circuit and moved to ...
01/12/1988
4706115Geometry adjustment circuit for a color video projector producing vertical amplitude, vertical linearity and horizontal trapezoid correction signals from a single user-controlled signal
A geometry adjustment device for a color video projector having three monochrome tubes each projecting an image of a given color on a screen, comprising a geometry correction circuit adjustable by the user for providing, by acting on a single signal, vert...
11/10/1987
4704564Convergence correction apparatus
A convergence correction apparatus comprises a pair of horizontal deflecting coils and a pair of vertical deflecting coils constituting a deflection yoke of a self-convergence system color picture tube, saturable reactors for correcting convergence error ...
11/03/1987
4689525Color cathode ray tube device
A color cathode ray tube device in which three electron beams are generated so that they are arranged in-line in a horizontal plane to impinge through a shadow mask on a phosphor screen consisting of red, green and blue phosphors. These beams are generate...
08/25/1987
4662853Method of manufacturing a color display tube and device for carrying out said method
A method of and a device for use in manufacturing a color display tube in which magnetic poles are provided in or around the neck (4) of the tube envelope (1) and around the paths of the electron beams (18, 19, 20) extending substantially parallel to the ...
05/05/1987
4641062Method and apparatus for adjusting the static convergence and purity of color television tubes
An apparatus for adjusting the static convergence and/or the purity of a color television tube particularly of the kind having a perforated mask. A magnetizable ring encircles the neck of the tube. Poles are formed in this ring by means of coils displacea...
02/03/1987
4588930Device for correcting an image on a picture tube having in-line electron guns and a coil assembly for the device
In a deflecting yoke of an in-line type color picture tube, a pair of saturable reactors responsive to vertical deflection is connected to the horizontal deflecting coils so that horizontal deflection currents respectively flowing in two horizontal deflec...
05/13/1986
4551657Format reconfigurable CRT display
A CRT display is provided with a multiple-pole, double-throw switching mechanism, which in conjunction with alternate circuitry provides a means for easily reconfiguring the CRT display presentation. By operating the switches the normal left to right, the...
11/05/1985
4547707Deflection yoke apparatus
The deflection yoke apparatus comprises the deflection yoke and the correction coil device which is fitted to the deflection yoke. The deflection yoke is provided with a pair of horizontal deflection coils and a pair of vertical deflection coils which are...
10/15/1985
4494047Convergence device for color-producing cathode ray tube
An electron beam convergence device is provided for a cathode ray tube of the type including an electron beam gun for developing three electron beams disposed on the screen in linear array. First and second rods formed of magnetic material and each includ...
01/15/1985
4227122Convergence device for projection type color television system
In a convergence device for a three primary-color projection type color television system with three cathode-ray tubes, it is known to use two separate cores respectively for dynamic and static convergence correction. In the present invention a single cor...
10/07/1980
4220897Method of manufacturing a color display tube and color display tube manufactured according to said method
A ring is provided to correct the convergence, color purity and frame errors of a color display tube which ring is magnetized as a multipole and which is secured in or around the tube neck and around the paths of the electron beams. The magnetization of s...
09/02/1980
4211960Method of manufacturing a static convergence unit, and a color display tube comprising a convergence unit manufactured according to the method
The method according to the invention consists in the determination of data of the convergence errors of a color display tube, data being derived from the said determinations for determining the polarity and the intensity of magnetic poles of a structure....
07/08/1980
4201932Color purity adjusting method
To adjust for color purity for a cathode ray tube, an auxiliary magnetic field magnetizes metallic components including the metal shadowmask. A remanent magnetic field is created upon removal of the auxiliary field and is used as an aid in purity adjustme...
05/06/1980
4138628Magnetizing method for use with a cathode ray tube
A magnetic material to be located adjacent a neck portion of a cathode ray tube includes magnetized regions for producing an electron beam moving magnetic field for moving at least one electron beam within the cathode ray tube in a predetermined manner. A...
02/06/1979
4027219Device for displaying color television images
A color television display tube comprising at least eight correction coils, arranged in one plane about the tube neck, for controlling the static convergence and possibly other aspects such as color purity....
05/31/1977
3935506Device for radial, static and dynamic convergence of electron beams in a colour television display tube
Thus far a substantial amount of energy was required for the two coils for the dynamic line frequency convergence in a device for radial, static and dynamic convergence. So as to improve this situation, a magnetic bridge is arranged between the two legs o...
01/27/1976
 
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