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7544952 |
Multivalent ion generating source and charged particle beam apparatus using such ion generating source
A multicharged ions generating source that is easy to manufacture, excellent in controllability and maintainability, high in degree of ionization and large in beam intensity and a charged particle...
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7532180 |
Image display apparatus
An image display apparatus includes a display panel having a plurality of electron emission portions that emit electrons, a plurality of light emitting regions positioned corresponding to the...
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7508654 |
Display apparatus and method
A display apparatus having a display module, to display a picture, includes a front casing positioned adjacent to a front and side of the display module, and a rear casing positioned in a rear of...
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7478616 |
Conduit enclosure system for enclosing an engine wiring harness
A conduit enclosure system for enclosing an engine wiring harness includes a conduit manifold configured to removably enclose a manifold portion of the engine wiring harness, the conduit manifold...
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7443697 |
Electronic device having bezel structure
An electronic device having a bezel structure includes a case, an installation element, part of which is installed to the case, a conductive bezel having a loop shape to fixedly couple the...
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7176642 |
Cathode ray tube display apparatus
A CRT electric field shield display apparatus with an FBT having a plurality of high voltage output terminals, includes an offset voltage generator generating an offset voltage to offset an...
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7088046 |
Integrated process tube and electrostatic shield, assembly thereof and manufacture thereof
A plasma reactor sub-assembly includes both an electrostatic shield and a process tube. Optionally, the electrostatic shield and the process tube are connected. Alternatively, they are configured...
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7057609 |
Electromagnetic interference prevention apparatus for flat panel display
An electromagnetic interference (EMI) prevention apparatus for a flat panel display which is capable of modulating the frequency of an input clock signal using a spread spectrum clocking method to...
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7030546 |
Liquid crystal display device having an electromagnetic-wave shielding member
Disclosed is an LCD device including an electromagnetic wave shielding member for shielding the electromagnetic waves generated from electric power applied to lamp of backlight assembly. The...
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6970151 |
Display controller with spread-spectrum timing to minimize electromagnetic emissions
A display system is provided that reduces electromagnetic emissions of at least one frequency component of a signal in the display system. A signal that drives a display is modulated so that one or...
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6963163 |
Color cathode ray tube having DC magnetic field during degaussing process
A color cathode ray tube having a striped phosphor screen is provided, in which color displacements due to the tube axis (Z-axis) component of the terrestrial magnetism can be decreased at low...
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6946798 |
Plasma display apparatus
The plasma display apparatus has a noise filter circuit with a noise filter connected to an AC supply disposed at the back side of a plasma display panel. The plasma display apparatus also has a...
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6933677 |
Magnetically shielded flourescent lamp ballast case
A magnetically shielded fluorescent lamp ballast case for shielding human beings from the negative effects of magnetic fields emanating from a fluorescent lamp ballast is made of a ferromagnetic...
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6919688 |
Luminescent plasma discharge device, timepiece, having controlled motion of luminous discharge through multiple, independent discharge chambers
A luminous discharge display device having two distinct, independent discharge chambers, stacked vertically; of substantially flat circular shape containing inert gas mixtures, and a central...
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6919674 |
Electron gun for color cathode ray tube
The present invention relates to a cathode ray tube, and more particularly, to a cathode ray tube with reduced stray emissions by improving the electrical conductivity of an electrode material of...
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6914384 |
Degaussing circuit for CRT monitor
A degaussing circuit for compulsorily degaussing a picture tube of a CRT monitor by causing alternating current to flow through a degaussing coil. A switching part, connected to a first end of the...
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6894684 |
Computer system and image processing method therefor
Disclosed are a computer system and an image processing method, that can easily reduce the EMI (electromagnetic interference), introduced into a liquid crystal display using the spread spectrum....
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6850010 |
Microwave powered lamp with reliable detection of burned out light bulbs
The invention is a microwave powered lamp ( 10 ). The lamp includes a light reflective cavity ( 28 ); an electrodeless bulb ( 16 ) contained in the light reflective cavity ( 26 ) from which light...
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6796688 |
Waterproof Christmas light bulb
A waterproof Christmas light bulb includes a connection tube formed on top of the socket and having a diameter smaller than a diameter of the socket so that a step is formed at a joint between the...
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6796485 |
Solder-bearing electromagnetic shield
An electromagnetic shield is provided and includes a shield body having an upper wall connected to opposing side walls and opposing end walls. At least two opposing walls of the electromagnetic...
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6712488 |
Globe type electrodeless lighting apparatus
An electrodeless lighting apparatus using microwave comprises: a waveguide for transmitting microwave generated in a magnetron; a mesh screen coupled to an outlet portion of the waveguide for...
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6700328 |
Discharge lamp driver circuit designed to minimize radiation or noise
A discharge lamp driver circuit is provided which features a field canceller. The driver circuit includes a power supply circuit which turns on and off a switching element to step up a dc voltage...
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6685522 |
Magnetic field measuring system of deflection yoke
Disclosed is a product quality test in a winding step of the entire manufacturing process of a deflection yoke, which is a core part of a display device employing a cathode ray tube such as a color...
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6635994 |
Method and apparatus for demagnetizing color CRT
By passing electric current through a degaussing coil within a vertical retrace period, a displayed image is prevented from disturbance and yet color blurs on the way of degaussing process are made...
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6630791 |
Cathode 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...
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6566817 |
High intensity discharge lamp with only one electrode
A high intensity discharge (HID) lamp includes a starting gas, a vaporizable fill, and only one electrode sealed within a light transmissive envelope. The one electrode produces a high intensity...
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6545419 |
Double chamber ion implantation system
An improved double chamber ion source comprising a plasma generating chamber, a charge exchange chamber and a divider structure therebetween. The charge exchange chamber includes magnetic shielding...
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6501223 |
Device and method for demagnetizing the shielding of a color display device
The present invention relates to a color display device comprising a color display tube ( 1 ) with a front portion having a truncated cone ( 3 ), an element ( 5 ) for generating a plurality of...
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6498435 |
CRT 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...
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6463918 |
Ignition apparatus having an electrically floating shield
An ignition apparatus includes a magnetic circuit comprising a central core and a side core or shield, and primary and secondary windings. The shield is allowed to electrically float, thereby...
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6433492 |
Magnetically shielded electrodeless light source
A dimmable electrodeless light source includes an electrodeless lamp, an electronic ballast and a dimming module. The light source further includes coupling transformers coupled to the...
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6429750 |
Method for attenuating electromagnetic interference using resonant cavities of dissimilar dimensions
An EMI attenuation device comprising at least two substrates such that the spacing between these substrates is selected to maximize shielding performance at a particular frequency. The device...
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6407517 |
Method of attenuating unwanted electric field radiation and a cathode ray tube display
A method of attenuating an unwanted electric field radiation caused by electrostatic induction on an internal conductive coating of a cathode ray tube by a pulse voltage generated by a deflection...
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6376993 |
Power supply to xenon ARC lamp interface
An arc lamp system comprises a power supply coupled to a xenon arc lamp through an interface constructed on a heavy printed circuit board. Such plugs directly into an igniter printed circuit board....
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6323564 |
Circuit configuration with reduced EMI
A circuit configuration with reduced EMC radiation in a motor vehicle includes a semiconductor switch with a load section which is connected, on one hand, through a first supply line to a positive...
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6278240 |
Low interference lighting system
A low-interference lighting system includes a housing, a voltage converter located within the housing, at least one pair of spaced-apart arms serving as electric elongated conductors extending from...
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6259216 |
Cathode ray tube
A cathode ray tube is described having at least one electron gun including a cathode, a control grid, and a focusing unit, and a strip made of electrically conductive material applied to the...
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6147454 |
Display unit with reduced leakage magnetic field
A display unit that enables reduction in number of additional parts, decrease in leakage magnetic field in a VLF band generated from the display unit in all directions at low cost, and suppression...
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6127778 |
Lampholder and lighting unit comprising a lampholder
A lampholder in accordance with the invention can suitably be used for a low-pressure discharge lamp (a) which operates at a high frequency and which comprises an elongated, tubular discharge...
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6084354 |
Vehicle-lamp lighting-on device
In the vehicle-lamp lighting-on device, a body case has a connection opening formed in the front end thereof. A lighting-on transformer is disposed within the body case. The transformer includes a...
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6049173 |
Apparatus for suppressing electric field radiation from a cathode ray tube
An anode ripple voltage waveform is detected by a capacitor built into a flyback transformer. The detected waveform is then phased by a phasing circuit, amplitude adjusted by an amplitude adjusting...
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6043599 |
Cathode ray tube device and method for making a conductive film on a funnel
A cathode ray tube device has a neck, a funnel, a face panel, an inner conductive film disposed on an inner surface of the funnel, a first outer conductive film disposed on an outer surface of the...
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6040878 |
Apparatus, methods and material for absorbing magnetic radiation
Hook- and loop-type tapes are selectively attached to a video display unit and to flexible elongated strips of magnetic material so that the strips of magnetic material may be removably mounted...
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6037716 |
Degaussing circuit with a PTC thermistor
A degaussing circuit is formed as a series connection of a PTC element and a degaussing coil operated such that the operating frequency of the current therethrough is higher than the frequency of...
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6020939 |
Method and apparatus for reducing electromagnetic interference radiated by cathode ray tube displays
Electromagnetic interference ("EMI") is reduced in a CRT video display system by spreading-out the EMI-producing spectra present in the video pixel data and/or clock signals. A clock dropping...
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5990625 |
LCD having noise counteracting parallel resonant circuit
In an electrical assembly with an electrical or electronic component part that generates a noise signal with a disturbing frequency, a parallel resonant circuit tuned to the frequency is arranged...
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5986406 |
Electric field noise eliminating circuit in a video display appliance
The present invention relates to a circuit for eliminating radiated electric field noise in a video appliance which can completely offset radiated electric field noise generated on the front face...
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5969775 |
Video display appliance including a device for eliminating electric field emitted from a cathode ray tube
A video display appliance having a device for eliminating the radiation wave emitted from a cathode ray tube. The appliance includes a shielding wire wound one to several times along the periphery...
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5952786 |
Auto deguassing from stand-by to on
Circuitry to control a power supply of a degaussing coil of a cathode ray tube, said degaussing coil is coupled to a main voltage supply through a switching device the circuitry has inputs coupled...
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5923123 |
Electron gun assembly for cathode ray tube with a voltage stabilizing suppressor ring
The electron gun assembly for cathode ray tube, has the structure in which the first, second and third grids are arranged in the traveling direction of an electron beam emitted from cathodes, and...
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