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Class 313/344 - Coiled


Subclass of Class 313 - Electric lamp and discharge devices
Definition: Filaments and electrodes where the filament is formed into
No. of patents: 80
Last issue date: 04/01/2008


1    
NumberTitleIssue Date
7352846Filament for X-ray tube and X-ray tube having the same
A coiled filament for an X-ray tube has a varied coil pitch to obtain a good uniformity of the longitudinal temperature distribution. The filament has a central region including plural turns having a same coil pitch, and end regions which include plural turns each o...
04/01/2008
7332866Arc tube and low-pressure mercury lamp that can be reduced in size
An arc tube includes an arc tube body and a pair of electrodes. The arc tube body is formed from a glass tube which is double-spirally wound from a middle portion to both ends around a spiral axis. The pair of electrodes are sealed at both ends of the arc tube body....
02/19/2008
7326199System and method for flexible architecture for dermatologic treatments utilizing multiple light sources
A system and method for providing light treatments to a patients skin, which could include both dermal and epidermal regions. The system and method utilize multiple hand pieces where each hand piece can deliver light from a different light source. The system and met...
02/05/2008
7291140System and method for low average power dermatologic light treatment device
The invention comprises a system and method for providing for pulses or relatively low energy light to an area of skin being treated. Typically, these low energy pulses will include shorter wavelength light, and will provided for multiple pulses of light for the are...
11/06/2007
7241021Emergency information lighting system
An emergency information lighting system (100/200/300), comprising a primary light source (110/210/310) and a housing (112/212/312) for the primary light source (110/210). The housing (112/212/312) includes a first wall (120/220...
07/10/2007
7218047Indirectly heated electrode for gas discharge tube
An indirectly heated cathode for gas discharge tube C1 comprises a heater 1, a double coil 2, a plate member 3, and a metal oxide 10. An electrical insulating layer 4 is formed on the surface of heater 1. Heater 1
05/15/2007
7193367Indirectly heated electrode for gas discharge tube, gas discharge tube with this, and its operating device
An indirectly heated cathode C1 comprises a heater 1, a double coil 2, a mesh member 3, and a metal oxide 10. An electrical insulating layer 4 is formed on the surface of heater 1. Heater 1 is inserted into and...
03/20/2007
7190117Incandescent lamp having a carbide-containing luminous element
The incandescent lamp is equipped with a luminous element which is hermetically inserted in a bulb together with a filling, the luminous element having a metal carbide whose melting point is above that of tungsten. The supply lead is fabricated integrally with the l...
03/13/2007
7116043Compact self-ballasted fluorescent lamp with improved rising characteristics
A compact self-ballasted fluorescent lamp includes a double-spiral arc tube formed by winding a glass tube to its both ends around a spiral axis, and sealing electrodes each having a filament coil at the ends of the glass tube, and a holding member that has a closed...
10/03/2006
7041094Tissue treatment device and method
A hair removal device (22) includes a cooling surface (34) which is used to contact the skin (6) prior to exposure to hair tissue-damaging laser light (74) passing from a radiation source (36) through a recessed window (46)....
05/09/2006
6984928Coil filament
A coiled filament has a light emitter with a reduced volume as best possible to serve in downsizing a light bulb and elevate an illumination with high efficiency in an illuminated field. A flat coiled filament wound into flatness is arranged in the form of a helix o...
01/10/2006
6972514Low-pressure mercury vapor discharge lamp with improved heat dissipation, and manufacturing method therefore
A bulb-type fluorescent lamp has a case having an open end portion for housing a lighting circuit therein, an arc tube extending outside through the open end portion of the case, and a globe having an open end portion for housing the arc tube therein. An adhesive is...
12/06/2005
6922017Infrared lamp, method of manufacturing the same, and heating apparatus using the infrared lamp
A material including a carbon-based substance and resins are mixed, and the mixture is extruded and dried, and the extrusion is sintered in an inert atmosphere, thereby obtaining a heating element material. The heating element material is reheated in a vacuum so tha...
07/26/2005
6853119Double layer electrode coil for a HID lamp and method of making the electrode coil
A double-layer electrode coil for a high intensity discharge (HID) lamp and a method of making the electrode coil are provided. A more stable layer of coils is made by front winding, instead of back winding, the layers of wire. The second layer of wire is entirely w...
02/08/2005
6809477Fluorescent lamp electrode for instant start circuits
A fluorescent lamp (10) with improved life is formed by winding a coil (30) using first, second, and third mandrels (45, 46, 50), the third mandrel having a diameter of at least 1.0 mm. The coil is wound around the second mandrel to provide at l...
10/26/2004
6784605Halogen incandescent lamp and a lighting apparatus using the lamp
A halogen incandescent lamp comprises a light-transmitting envelope filled with a gas including a halogen gas and an inert gas. A pair of inner conductive wires is arranged in the envelope. A triple-coiled filament, which has a first coiling, a second coiling, and a...
08/31/2004
6777860Luminous element for lamp
A luminous element (10) for a lamp is double helix-shaped, with two connection parts (18, 20) situated at one end of said double helix. The diameter (D1, D2) of the double helix increases consistently in the direction of the two connectio...
08/17/2004
6690103Incandescent light bulb with variable pitch coiled filament
An incandescent light bulb includes a lamp envelope, a coiled filament with a predetermined amperage rating disposed inside the lamp envelope, and current supply wires that electrically connect a pair of opposite terminal ends of the filament to a power s...
02/10/2004
6492768Cathode ray tube having an improved indirectly heated cathode
A cathode ray tube includes a phosphor screen and an electron gun. The electron gun includes an indirectly heated cathode structure and plural grid electrodes in axially spaced relationship. The cathode structure includes a base metal having an electron e...
12/10/2002
6426587Thermionic emitter with balancing thermal conduction legs
A thermionic emitter has a flat emission surface that is subdivided by slits into generally spiral or serpentine conductor sections, the surface having legs extending therefrom that form part of the current supply terminals and that also serve for securin...
07/30/2002
6191527Stress relieved filament support assembly
The structure is an improvement to prevent thermal cycle damage to a braze joint in a magnetron filament assembly. The filament is welded to a molybdenum filament weld ring which, in turn, is brazed to a solid iron filament support cylinder. This braze jo...
02/20/2001
5962972Electric incandescent lamp
The electric incandescent lamp has a lamp vessel (1) in which a filament (3) is disposed substantially concentric with the longitudinal axis (2) of the lamp vessel (1). Current conductors (4) extend from the lamp vessel (1), an internal conductor (10) par...
10/05/1999
5959398Cathode ray tube with improved cathode structure
A cathode ray tube is provided with an electron gun which comprises a cathode structure which contains an electron-emitting material at an end portion and in which a heating element of bifilarly wound wire is accommodated. Except in the vicinity of the en...
09/28/1999
5936350Metal halide headlamp
A metal halide headlamp comprising an electrode and a coil wrapping around said electrode to prevent the occurrence of cracks in a sealing portion, in which the diameter d0 of said electrode, the cross-section S of said electrode including said...
08/10/1999
5923122Electrodeless bulb with means for receiving an external starting electrode
An electrodeless lamp comprises an envelope containing a fill and a substance for facilitating the starting of the lamp. An outer tube is secured to an outside portion of the envelope in proximity to the given region and an inner tube is disposed within t...
07/13/1999
5864209Cathode filament for an ultra-violet discharge lamp
A unique cathode (30) for an ultraviolet discharge lamp (10) is described. The cathode includes a triple-coil wire, i.e., the wire has a primary coil (43), a secondary coil (41) wound around the primary coil and a tertiary coil (36) wound around the secon...
01/26/1999
5861716Magnetron having a cathode mount with a grooved recess for securely receiving a cathode filament
A magnetron includes a cathode mount having a directly heated helical cathode filament for emitting thermoelectrons, an upper end shield and a lower end shield disposed so as to support the filament at upper and lower ends thereof, and center and side lea...
01/19/1999
5811934Electric incandescent halogen lamp with barrel-shaped bulb
An electric incandescent lamp (4), in particular an incandescent halogen p, has a bulb or envelope (5), which is shaped as an ellipsoid or optionally ellipsoidlike (barrel-shaped body) and provided with an IR layer (8). Located inside the bulb (5) axiall...
09/22/1998
5793161High-pressure discharge lamp electrode
The high pressure discharge lamp has electrodes which each have a wrapping of tungsten wire near the tip of the electrode rod. The electrode rod has unround cross-sections, formed by indentations and bulges. The tungsten wire, wrapped around the electrode...
08/11/1998
5729081Electrode coil for discharge lamps and method for producing such an electrode coil
The invention relates to electrode coils for discharge lamps having a coiled wire (1) which is wound around by a braiding wire (2). The coiled wire (1) has both turns (II) with an essentially circular cross-section and turns (I, III) with an oval cross-se...
03/17/1998
5729082Cathode structure comprising a heating element
A cathode structure comprises at an end portion (1) an electron-emitting material (4) and a heating element (5) of wire (7), said cathode structure having a plurality of primary helical turns (8). These primary turns are used to form a first series of sec...
03/17/1998
5680003Coiled-coil filament design for an incandescent lamp
An improved coiled-coil filament for use in an incandescent lamp has a primary coil winding with a substantially uniform spacing between successive coil turns. The primary coil winding is wound around a second mandrel in a manner to provide a main coil bo...
10/21/1997
5629586Compact fluorescent lamp unit having first and second sealed end portions separated by a support member
A compact fluorescent lamp unit has a phosphor coated bulb of which first and second sealed end portions. A pair of filaments is disposed in the bulb. The filament contains an emitter for enhancing thermionic emission of electrons therefrom and is caused ...
05/13/1997
5510675Flicker-suppressed, low-power, high-pressure discharge lamp
To reduce flicker in low-power, high-pressure discharge lamps, the electrs, in the region in which they face each other, have wrap windings, of about 2 to 4 turns wrapped thereabout and the terminal end of the electrode has an essentially spherical end h...
04/23/1996
5453657Indirectly-heated cathode heater structure for a cathode ray tube
This invention relates to an indirectly-heated cathode heater structure comprising a heat generation section disposed inwardly of an upper portion of a sleeve for generating heat to emit thermions at an electron gun of a cathode ray tube, the heat generat...
09/26/1995
5426351Heater coil for electron tube
A heater coil for an electron tube includes a spiral wire which is double wound to be cylindrical, and a connection wire which is formed on an upper face of the spiral wire in a horizontal plane. The connection wire is shaped to have at least two bent por...
06/20/1995
5357167High pressure discharge lamp with a thermally improved anode
A high pressure discharge lamp with a thermally improved anode, as well as a method of making such a lamp, are disclosed. The lamp includes a refractory arc tube with a hermetically sealed arc chamber, a fill in the arc chamber for facilitating light gene...
10/18/1994
5343112Cathode arrangement
A cathode arrangement for emitting electrons includes an electrode-conductive emission body that defines an emission surface from which the electrons propagate. A slit pattern is cut into the emission body for dividing the emission body into a current pat...
08/30/1994
5258687Mercury vapor discharge device
In a mercury vapor arc discharge tube having a pair of electrodes, an emissive material disposed on the electrodes consists essentially of a single phase compound of Bax Sr1-x Y2 O4 where x is from about 0.25 to...
11/02/1993
5198720Direct heating cathode structure for cathode ray tubes
A direct heating cathode structure for a miniature cathode ray tube is disclosed wherein angular rod-shaped supports where the coiled heater is welded are bent so that one edge thereof is directed upward, and opposing delta welding portions are formed by ...
03/30/1993
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