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8179045 |
Slow wave structure having offset projections comprised of a metal-dielectric composite stack
A traveling wave amplifier circuit to receive an RF wave and an electron sheet beam and to effect synchronized interaction therebetween. The circuit includes a wave guide having at least a first...
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8179048 |
High frequency helical amplifier and oscillator
Disclosed herein is a class of mm and sub mm wavelength amplifiers and oscillators operating with miniature helical slow wave circuits manufactured using micro fabrication technology. The helices...
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8179047 |
Method and system for adjusting the frequency of a resonator assembly for a plasma lamp
A plasma electrodeless lamp comprises a substantially hollow metallic body, closely receiving two coupling elements, the first coupling element connected to the output of an RF amplifier, and the...
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8179046 |
Ultraviolet lamp system with cooling air filter
A microwave-excited ultraviolet lamp system includes a microwave chamber cooled with air drawn through the chamber by a negative pressure source. A filter provided at an inlet of the lamp system...
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8169152 |
Plasma lamp with field-concentrating antenna
An electrodeless plasma lamp is described comprising a lamp body including a solid dielectric material. The lamp includes a bulb received at least partially within an opening in the solid...
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8164265 |
Lighting method of microwave excitation discharge lamp
To prevent the continuation of the abnormal state occurring immediately after the lighting start of the electrodeless discharge lamp excited by a DC driven magnetron and to recover promptly from...
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8164264 |
Lamp
A bandpass filter comprises an air filled aluminum chamber having a lid and a cuboid resonant cavity having a central iris. At opposite end nodes of the cavity, perfect electric conductors (PECs)...
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8159137 |
Magnetron
To provide a magnetron capable of reducing noises in a low frequency band of 30 MHz or less without deteriorating the stability of a load depending on phases, and also ensuring the precision of...
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8159136 |
Frequency tunable resonant cavity for use with an electrodeless plasma lamp
A plasma lamp is described with resonant frequency tuning capability and associated methods for tuning. One tuning method allows plasma lamp manufacturer to set the frequency of lamps to several...
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8154206 |
Portable microwave plasma generator capable of generating plasma with low electric power
There is provided a small-sized portable microwave plasma generator capable of generating plasma at atmospheric pressure with low electric power including a coaxial cable, an outer conductor, a...
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8154216 |
External resonator/cavity electrode-less plasma lamp and method of exciting with radio-frequency energy
Described is a plasma electrode-less lamp. The device comprises an electromagnetic resonator and an electromagnetic radiation source conductively connected with the electromagnetic resonator. The...
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8143816 |
Power variator
An apparatus for use in a process to regulate power for a particle accelerator includes a first circulator, a second circulator, a tee coupled between the first and the second circulator, and a...
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8143801 |
Electrodeless lamps and methods
An electrodeless plasma lamp and method of generating light are described. The lamp may comprise a lamp body, a source of radio frequency (RF) power and a bulb. The lamp body may comprise a solid...
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8125153 |
Microwave energized plasma lamp with dielectric waveguide
A plasma lamp including a waveguide body comprising at least one dielectric material. The body is coupled to a microwave power source which causes the body to resonate in at least one resonant...
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8120258 |
Magnetron
The present invention provides a magnetron which can conduct more magnetic flux in the active space at the periphery of a cathode structure to thereby further improve the efficiency of a magnetic...
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8115392 |
Device for generation of microwaves
The invention relates to a device for generation of microwaves comprising a coaxial virtual cathode oscillator (1) with an outer cylindrical tube forming a cathode (2) and connected to a...
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8110988 |
Plasma lamp with dielectric waveguide
A dielectric waveguide integrated plasma lamp is disclosed for powering a small and bright bulb with a diameter of a few millimeters. The lamp is contained within a high dielectric constant...
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8101931 |
RF screen assembly for microwave powered UV lamps
An RF screen for microwave powered UV lamp systems is provided. The RF screen is formed of a single sheet of conductive material in which a mesh pattern has been formed. The screen includes a...
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8084955 |
Systems and methods for improved startup and control of electrodeless plasma lamp using current feedback
In one example embodiment, a drive probe is coupled to the lamp body to provide the primary power for ignition and steady state operation of the lamp. Feedback may be used to adjust frequency in...
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8077909 |
Apparatus and method for testing infrared camera
An apparatus for testing infrared cameras includes: a cover plate which has a plurality of holes formed therethrough and arranged in line in a horizontal direction at a regular interval, the cover...
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8063565 |
Method and apparatus to reduce arcing in electrodeless lamps
A lamp and methods of forming are shown. In one example, a dielectric layer is formed over a gap between conductors in a plasma lamp. Electric arcing is reduced or eliminated, thus allowing tighter...
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8040067 |
Magnetron with cathode decoupled from output
A magnetron including a cathode, an anode axially aligned with the cathode and including a plurality of radial vanes defining resonant cavities, an output coupler connected to a first set of the...
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8038936 |
Cooking device with deodorization
A cooking device includes a cooking chamber; a first deodorization region along which air from the cooking chamber flows and in which a plasma discharge is generated for removing odor-producing...
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8026497 |
Methods and apparatus for generating ultraviolet light
A housing for an elongate electrodeless bulb which is energiseable by an rf field such as a microwave field, preferably at or around 2.45 GHz. The housing is constructed of electrically conductive...
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8027389 |
Interface circuit
A transmission circuit (101) for transmitting data onto a transmission line, and a mask circuit (102) for generating a mask signal (105) for removing a reflected wave based on a transmission timing...
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8022607 |
Plasma lamp with small power coupling surface
In an example embodiment, an electrodeless plasma lamp is, provided which comprises a dielectric body having an effective dielectric constant greater than two. The dielectric body may have a...
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8018160 |
Magnetron having a feature for collecting material lost from a cathode thereof
A magnetron has a cathode, an anode with vanes, and an insulating surface which faces the cathode and receives material from the cathode due to sputtering at the cathode. A conductor enables the...
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8018159 |
Magnetron device with mode converter and related methods
The present invention provides a relativistic magnetron with axial extraction, or magnetron with diffraction output (MDO), with a mode converter placed directly within the diffraction output of...
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7994721 |
Plasma lamp and methods using a waveguide body and protruding bulb
A plasma lamp for an electrodeless plasma lamp having a dielectric waveguide body and a bulb positioned, at least in part, in the waveguide body and having at least one end protruding from the...
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7973261 |
Cooling structure for plasma lighting system
Disclosed is a cooling structure for a plasma lighting system comprising a fan housing having at least two discharge ports having different flow rates for introducing external air into a case and...
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7965044 |
Light source device and projector including light source device
An optical source device includes a solid high frequency oscillating unit that outputs a high frequency signal, a waveguide that receives the high frequency signal output from the solid high...
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7952289 |
UV lamp system and associated method with improved magnetron control
An ultraviolet lamp system for irradiating a substrate includes a magnetron and a memory physically attached to the magnetron. An electrodeless lamp is configured to emit ultraviolet light when...
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7952287 |
Traveling-wave tube 2D slow wave circuit
A two-dimensional circuit for a traveling-wave tube for millimeter and sub-millimeter electromagnetic waves synchronously interacts with an electron beam in a vacuum electronic microwave amplifier...
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7940007 |
Plasma lamp with dielectric waveguide integrated with transparent bulb
A dielectric waveguide integrated plasma lamp (DWIPL) with a body comprising at least one dielectric material having a dielectric constant greater than approximately 2, and having a shape and...
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7919923 |
Plasma lamp with dielectric waveguide
A plasma lamp and a method of generating light are provided. The plasma lamp may include a lamp body having a dielectric constant greater than about 2 and a power source. The power source is...
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7919924 |
Magnetron and method of manufacturing magnetron anode vane
In each anode vane 10, there is provided the brazing material spreading prevention groove 13 that interconnects the strap ring inserting portions 11 and 12 in parallel to the direction of the...
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7915827 |
Magnetron control method, magnetron service life judgment method, microwave generation device, magnetron service life judgment device, processing device, computer program, and storage medium
A microwave generation device includes: a magnetron having a cathode containing a filament and an anode containing a hollow resonator arranged to oppose to each other; a filament current measuring...
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7906912 |
Magnetron
The magnetron includes: a cylindrical-shaped anode barrel member 10 having two openings respectively formed in the two end portions thereof; a cathode structure member 12 disposed on the center...
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7906911 |
Luminaire assembly having a bonded reflector cavity for supporting an ultra-violet lamp
A luminaire reflector comprises a first end reflector segment, a second end reflector segment, and a main reflector segment bonded together as a single-piece. The main reflector segment, the first...
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7906910 |
Plasma lamp with conductive material positioned relative to RF feed
In an example embodiment, an electrodeless plasma lamp is provided which comprises a lamp body comprising a dielectric material having a relative permittivity greater than 2, and a bulb adjacent to...
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7902766 |
Plasma lighting system
A plasma lighting system comprises a resonator, a bulb received in the resonator and containing a discharge material therein for emitting light in accordance with the discharge material is exited...
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7898181 |
Traveling wave tube
A bottom portion of a metal tape is attached to an end portion of a helix. A coaxial inner conductor for input or output of a high frequency signal is fixed by its end portion being interposed...
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7893621 |
Eggbeater transparent cathode for magnetrons and ubitrons and related methods of generating high power microwaves
An “eggbeater” cathode comprising a transparent cathode including a plurality of longitudinally oriented cathode strips anchored at both ends between support discs and forming an open-walled hol...
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7888874 |
Plasma lamp with conductive material positioned relative to RF feed
In an example embodiment, an electrodeless plasma lamp is provided which comprises a lamp body comprising a dielectric material having a relative permittivity greater than 2, and a bulb adjacent to...
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7880402 |
Plasma lamp with field-concentrating antenna
An electrodeless plasma lamp is described comprising a lamp body including a solid dielectric material. The lamp includes a bulb received at least partially within an opening in the solid...
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7868273 |
Microwave generator
In order to make it possible to direct sufficient microwave energy at a target with an electronic device which is to be interfered with or to be destroyed, the beams (7) from at least two antenna...
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7863834 |
Ultraviolet lamp system and method for controlling emitted UV light
An ultraviolet lamp assembly and corresponding methods is operable to generate ultraviolet light for irradiating a substrate. The lamp assembly includes a magnetron, an electrodeless lamp for...
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7863590 |
UV irradiator
An apparatus having one or more UV bulbs arranged around a structural element and within an outer conductive element. The apparatus also contains an inner conductive element which extends the...
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7863988 |
Microwave signal generator
A microwave signal generator includes a magnetron to generate a microwave signal, a coupler to receive the microwave signal generated by the magnetron and to send the microwave signal to a load;...
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7855495 |
Magnetron with relatively fixed yoke and cooling block by means of a cushioning material and fixing member
A gap is provided between a cooling block 22 and a magnetic yoke 20. A cushioning material 25 is interposed in the gap to fix the cooling block 22 relatively to the magnetic yoke 20 by screws....
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