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| Number | Title | Issue Date |
| 7288882 | Lamp electrode and method for delivering mercury A lamp electrode adapted to deliver mercury during an assembly process has a supporting electrical lead attached to the proximal end of a metallic shell. The proximal and a distal ends of the metallic shell each lie along a central axis. A container with a vitreous ... | 10/30/2007 |
| 7180232 | Low-pressure mercury vapor discharge lamp Low-pressure mercury vapor discharge lamp comprises a light-transmitting discharge vessel (10) enclosing, in a gastight manner, a discharge space (13) provided with a filling of mercury and a rare gas. The discharge vessel comprises discharge means ( | 02/20/2007 |
| 7119486 | Re-entrant cavity fluorescent lamp system An electrodeless fluorescent lamp (10) having a burner (20), a ballast housing (30) containing a ballast (40) and a screw base (50) for connection to a power supply. A reentrant cavity (60) is formed in the burner (20... | 10/10/2006 |
| 7095167 | Germicidal low pressure mercury vapor discharge lamp with amalgam location permitting high output A germicidal lamp having amalgam for controlling mercury vapor pressure contained in a location facilitating efficient high output operation. A low pressure mercury vapor discharge lamp has an amalgam container containing an amalgam positioned behind an electrode ou... | 08/22/2006 |
| 7061173 | Amalgam-doped low mercury low-pressure UV irradiator A UV lamp unit is provided and comprises a lamp in the form of a mercury low pressure amalgam lamp that is provided with at least one amalgam deposit. A cladding tube surrounds the lamp in such a way that an air gap is provided between the lamp and the cladding tube... | 06/13/2006 |
| 7026760 | Source of light and method for regenerating a source of light A light source with a heatable filament (1) or an electrode, with the filament or the electrode being arranged in a bulb (2) or in a tube, is provided with an improved service life by the provision of a depot (3) with at least one chemical eleme... | 04/11/2006 |
| 6913504 | Method for introducing mercury into a fluorescent lamp during manufacture and a mercury carrier body facilitating such method Method for introducing a limited amount of mercury into a fluorescent lamp during manufacture thereof includes the steps of forming the lamp with an exhaust tubulation therein open at an end thereof, exhausting the interior of the lamp through the exhaust tubulation... | 07/05/2005 |
| 6906460 | Device and method for retaining mercury source in low-pressure discharge lamps A device for retaining a mercury source in the discharge space of a low-pressure discharge lamp is disclosed. The mercury source retaining device comprises a holder, which has an inner space communicating with the discharge space and a receiver opening for receiving... | 06/14/2005 |
| 6905385 | Method for introducing mercury into a fluorescent lamp during manufacture and a mercury carrier body facilitating such method Method for introducing a limited amount of mercury into a fluorescent lamp during manufacture thereof includes the steps of forming the lamp with an exhaust tubulation therein open at an end thereof and provided with a ball retention structure, exhausting the interi... | 06/14/2005 |
| 6753648 | Cesium dispensers and process for the use thereof Cesium dispensers are produced based on the use of a mixture of at least one reducing agent and at least one cesium compound selected among molybdate, tungstate, niobate, tantalate, silicate and zirconate. The cesium dispensers are useful in the production of OLED-t... | 06/22/2004 |
| 6515418 | High pressure sodium discharge lamp A high pressure sodium vapour lamp having a fill consisting of sodium, mercury and xenon in an arc tube with a sodium weight portion within the sodium-mercury-amalgam of approx. 12% to approx. 20%, having a xenon filling pressure in the cold state between... | 02/04/2003 |
| 6476553 | Flourescent discharge tube with amalgam positioning requirements and bulb-shaped fluorescent lamp using the same A small fluorescent discharge tube and a bulb-shaped fluorescent lamp using the same with improved rise characteristics with respect to luminous flux in the case of a relatively short non-operation time of one to six hours after a stop of operation are pr... | 11/05/2002 |
| 6369503 | Mercury capsule for use in a fluorescent lamp A mercury capsule for use in a fluorescent lamp comprises a metal ribbon which is provided with a first portion having a depression formed in a surface thereof for receiving and containing mercury, and a second portion having a protrusion formed on a surf... | 04/09/2002 |
| 6356016 | High-pressure metal-halide lamp that includes a ceramic-carrier oxygen dispenser The invention relates to a high-pressure metal-halide lamp comprising a discharge vessel with an ionizable filling containing Hg, a halide and a rare gas, which vessel includes electrodes with a rod containing substantially W. The lamp, when in operation,... | 03/12/2002 |
| 6304030 | Low-pressure mercury vapor discharge lamp A low-pressure mercury vapor discharge lamp with a discharge vessel (10) having first and second end portions (11). The discharge vessel encloses a discharge space provided with a filling of mercury and an inert gas in a gastight manner. Each end portion ... | 10/16/2001 |
| 6304029 | Low pressure mercury discharge lamp having a mercury holder with reduced lead oxide A method of manufacturing a low-pressure mercury vapor discharge lamp starting from a discharge vessel (10) wherein a closed holder (22) is placed which is provided with a quantity of one or more substances to be introduced in the discharge vessel (10). S... | 10/16/2001 |
| 6285126 | Lamp with mercury release structure and method for dispensing mercury into a lamp A lamp includes a sealed transparent elongated envelope containing a gas fill, a coil at each of two ends of the elongated envelope, the coils extending widthwise of the envelope, and lead-in wires connected to each of the coils and connectable to an exte... | 09/04/2001 |
| 6201347 | Low-pressure discharge lamp The lamp is provided with a metal holder (21) having an opening (21a) and resilient body (20) which fastens the holder in a tube (15) which is in communication with the discharge space. A first portion (20a) of the resilient body (20) is clamped in the op... | 03/13/2001 |
| 6137229 | Metal halide lamp with specific dimension of the discharge tube A metal halide lamp comprises a discharge tube of transparent ceramic in which a discharge metal is sealed, the discharge tube having a main cylindrical portion, ring portions provided at both ends of the main cylindrical portion, and tubular cylindrical ... | 10/24/2000 |
| 5994837 | Electrodeless low-pressure mercury discharge lamp A light-transmitting discharge vessel (10) encloses a discharge space (11) in a gastight manner. The discharge space comprises mercury as well as one or several inert gases. The lamp is in addition provided with an electric coil (20) for generating a high... | 11/30/1999 |
| 5841229 | Amalgam support arrangement for an electrodeless discharge lamp At least one amalgam, which is disposed within the lamp envelope of an electrodeless fluorescent lamp to control mercury vapor pressure, is mechanically supported by an amalgam support arrangement in a manner non-invasive to the lamp envelope. The amalgam... | 11/24/1998 |
| 5831385 | Mercury dispensing composition containing Cu-Si alloy promoter A mercury dispensing device is disclosed that includes a mercury dispenser having the formula Tix Zry Hgz in which x and y are between 0 and 13, inclusive, the quantity x+y is between 3 and 13, inclusive, and z is 1 or 2; ... | 11/03/1998 |
| 5828169 | Discharge lamp having an amalgam within a barrier means In a fluorescent lamp with amalgam, a surface of the amalgam is covered by a barrier having at least one opening through which mercury atoms can move to a discharge space of the lamp from the amalgam while the lamp is being lighted. When the lamp is switc... | 10/27/1998 |
| 5814936 | Low-pressure mercury discharge lamp A low-pressure mercury discharge lamp is provided with a light-transmitting discharge vessel (10) which contains mercury and a rare gas and which comprises means (20) for maintaining an electric discharge in the discharge vessel. A metal holder (30) suppo... | 09/29/1998 |
| 5783912 | Electrodeless fluorescent lamp having feedthrough for direct connection to internal EMI shield and for supporting an amalgam An electrodeless fluorescent lamp includes a feedthrough structure extending from the exterior to the interior of the lamp which is constructed of a suitable material, e.g., platinum or a combination of platinum and rhodium, for directly connecting an int... | 07/21/1998 |
| 5773926 | Electrodeless fluorescent lamp with cold spot control This invention relates to electrodeless fluorescent RF lamp which includes bulbous lamp envelope (10, 20) with a top, a bottom and a fill of rare gas and vaporizable amalgam (14) therein. A reentrant cavity (11, 21) is disposed adjacent the bottom of the ... | 06/30/1998 |
| 5751110 | Electrodeless low-pressure discharge lamp An electrodeless low-pressure discharge lamp is provided with a lamp vessel which is closed in a gastight manner, which surrounds a discharge space, and which contains a filling of mercury and rare gas. The lamp vessel has a cavity and a collar where the ... | 05/12/1998 |
| 5698943 | Starting flag for use in mercury discharge lamp and lamp employing same A low pressure mercury discharge lamp includes a sealed envelope defining a discharge space, an electrode disposed at one end of the envelope, mercury vapor sealed in the discharge space, and a starting flag. The starting flag includes a layer of bonded m... | 12/16/1997 |
| 5686788 | Low-pressure discharge lamp with starting amalgam To retain a starting amalgam in a fluorescent lamp, a carrier body (7, 7', 37, 47), for example formed as an iron sheet-metal element of about 2.5×7 mm, and having a thickness of, for example, 0.2 mm, is secured to a glass element (6, 6', 36, 46) which r... | 11/11/1997 |
| 5672936 | Cold cathode fluorescent discharge tube A cold cathode fluorescent discharge tube is provided having, as an anode standing for one of discharge electrodes, a mercury discharge structure comprising a metal sintered body formed by sintering powder of a high melting point metal such as titanium, w... | 09/30/1997 |
| 5559392 | Apparatus for securing an amalgam at the apex of an electrodeless fluorescent lamp A first portion of a spiral wire support for an amalgam is securely fitted into an exhaust tube formed in a re-entrant cavity of an electrodeless fluorescent lamp before attachment and sealing of the re-entrant cavity to the bulb of the lamp. A second por... | 09/24/1996 |
| 5500567 | Apparatus for securing an amalgam at the apex of an electrodeless fluorescent lamp A glass rod extending through and sealed to the exhaust tube of an electrodeless SEF fluorescent discharge lamp has a metal support member at one end thereof for supporting an amalgam at or near the apex of the lamp envelope. The metal support member may ... | 03/19/1996 |
| 5394056 | Opening of capsule inside sealed lamp A capsule containing a precise amount of a substance such as mercury is mounted in an electrode mount assembly on a temperature sensitive member. At elevated temperatures the capsule is moved away from lamp components by the temperature sensitive member t... | 02/28/1995 |
| 5394058 | Gas discharge lamp having a water vapor enriched fill A sealed gas discharge lamp is filed with a water vapor-enriched low pressure nitrogen oxygen mixture and a storage medium such as manganese dioxide is included in a separate vessel of the lamp for additionally storing water vapor but releasing the water ... | 02/28/1995 |
| 5374871 | Annular dosing capsule for electric discharge lamp and method of dosing the lamp using the capsule An electric arc discharge lamp includes an elongated hollow tubular transparent envelope having a pair of opposite ends, a pair of electrode mounts respectively disposed in the ends of the tubular envelope, and a dosing capsule defining a hermetically sea... | 12/20/1994 |
| 5237240 | Mercury vapor discharge lamp containing device for heating amalgam-forming material A mercury vapor discharge lamp such as a negative glow discharge lamp includes a light-transmitting envelope containing a noble gas fill material. An anode electrode and a cathode electrode are spacedly located within the envelope. An amalgam-forming mate... | 08/17/1993 |
| 4972118 | Amalgam having extended stable mercury vapor pressure range and low mercury vapor pressure discharge lamp using the same An amalgam has a base metal including bismuth in an amount selected from the range between about 45 wt % and 65 wt %, and lead in an amount selected from the range between about 35 wt % and 55 wt %. The amalgam also includes mercury the amount of which is... | 11/20/1990 |
| 4961020 | Sodium vapor lamp for sonic pulse operation An improved high pressure sodium vapor lamp construction is provided for operation on sonic frequency pulses without excessive acoustic noise. The novel jacketed lamp construction employs non-magnetostrictive metal for the frame employed to suspend a cera... | 10/02/1990 |
| 4774433 | Apparatus for generating metal ions A mixture of an alkali metal compound and its reducing agent is heated by a heating means, whereby alkali metal vapors are generated and stored in a vapor reserver. The thus stored vapors permeate through a porous member heated by another heating means an... | 09/27/1988 |
| 4761548 | Optically triggered high voltage switch with cesium vapor An electric arc discharge switch having less susceptibility to electrode erosion and capable of being optically triggered. In a first embodiment the switch includes a gas tight body defining a hollow interior with electrodes mounted onto the body and form... | 08/02/1988 |
