Quotables
"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7331837 | Coil antenna/protection for ceramic metal halide lamps The invention relates to a high-pressure discharge lamp of the ceramic metal halide type of the Philips MasterColor series having a molybdenum coil wrapped around the discharge vessel and at least a portion of the electrode feed through means, and having power range... | 02/19/2008 |
| 7256548 | Electric circuit for igniting a discharge lamp, and electric component module and discharge lamp incorporating such an electric circuit An electric circuit for igniting a discharge lamp includes a voltage source, and at least one condenser electrically connected to the voltage source. Further, a series chain is provided, electrically connected in parallel with the condenser, of at least one ignition... | 08/14/2007 |
| 7230389 | Metal halide lamp having function for suppressing abnormal discharge A metal halide lamp includes a ceramic arc tube that is composed of a main body and two narrow tube parts provided at respective ends of the main body; a pair of electrodes provided inside the main body; two feeders, each being connected at one end thereof to a diff... | 06/12/2007 |
| 7199531 | Variable output single constant source light fixture A light fixture having a variable light output level using one constant voltage power source includes multiple individually computer controllable light sources. Multiple light fixtures may be networked and individually controlled. Additional accessory control device... | 04/03/2007 |
| 7170200 | Starter assembly for a gas discharge lamp The present invention comprises a unique starter assembly for a gas discharge lamp. The starter assembly comprises a main current path with a first leg connected to one electrode of a gas discharge lamp, and a second leg connected to a second electrode of the gas di... | 01/30/2007 |
| 7102298 | Integral lamp An integrated lamp/lamp electronics unit includes a lamp having a first end with first end electrical terminals, and a second end with second end electrical terminals. An end cap having an interior section is placed into electrical connection with the first end elec... | 09/05/2006 |
| 7091676 | Arc maintenance device for high density discharge lamps including an adaptive wave form monitor A supplemental arc maintenance electrical supply for a high density discharge (HID) lamp (L) for applying a high frequency supplemental arc voltage to maintain the arc during a period of unstable or intermittent AC supply in addition to or in lieu of the voltage or ... | 08/15/2006 |
| 7002300 | Microwave generator and method of radiating microwave energy Intensive microwave radiation in particular of great band width and energy over a relatively long period of time in the form of long pulse packets with a high pulse repetition frequency and a very high frequency spectrum can be achieved if microwave irradiation is e... | 02/21/2006 |
| 6995513 | Coil antenna/protection for ceramic metal halide lamps The invention relates to improvements in high-pressure discharge lamps of the ceramic metal halide type of the Philips MasterColor series having a metal coil wrapped around the discharge vessel and/or at least a portion of the electrode feed through means, and havin... | 02/07/2006 |
| 6935762 | Light string assembly A decorative light string assembly comprises a string of light bulb sockets electrically interconnected by an electrical cord and terminated by at least one electrical connector. A plurality of decorative light bulbs are mated with the sockets. Each decorative light... | 08/30/2005 |
| 6917163 | Inductively powered lamp assembly A lamp assembly configured to inductively receive power from a primary coil. The inductively powered lamp assembly includes a lamp circuit including a secondary and a lamp connected in series. In a first aspect, the lamp circuit includes a capacitor connected in ser... | 07/12/2005 |
| 6861805 | Coil antenna/protection for ceramic metal halide lamps The invention relates to a high-pressure discharge lamp of the ceramic metal halide type of the Philips MasterColor series having a molybdenum coil wrapped around the discharge vessel and at least a portion of the electrode feed through means, and having power range... | 03/01/2005 |
| 6774546 | Multiple, parallel filament lamp An improvement to the usable lifetime of a lamp includes the use of a primary filament, a backup filament, and a means to switch portions of the backup filament into the current flow path after a portion of the primary filament open circuits. Using bypass shunts, wh... | 08/10/2004 |
| 6583536 | Multiple, sequential filament lamp An improvement to the current-carrying components of a lamp includes two filaments connected to two different electrodes and one common electrode, and a switch for directing current through the secondary filament upon the failure of the primary filament. ... | 06/24/2003 |
| 6404128 | Glow discharge starter In a glow discharge starter, a layer of lanthanum is present on one of the conductors and the gas filling is a Penning mixture. The glow discharge starter does not contain radioactive material. The delay time between the application of a voltage between t... | 06/11/2002 |
| 5801491 | Supply circuit for discharge lamps with means for preheating the electrodes The circuit for firing and supplying a discharge lamp, includes: a load circuit (10), with at least one discharge lamp (L) and a voltage supply for supplying a discharge lamp, a subportion of the circuit is in parallel with the lamp (L). This subportion includ... | 09/01/1998 |
| 5565736 | Discharge lamp provided with a bimetal switch, and bimetal switch suitable for a lamp A high-pressure discharge lamp includes a discharge vessel which is enclosed with intervening space by an outer bulb. The lamp is provided with a starter circuit constructed as a starter unit comprising a bimetal switch and glow switch starter. The bimeta... | 10/15/1996 |
| 5512799 | Glowbottle starting device for gaseous discharge devices A glowbottle starter switch for igniting gaseous discharge lamps in alternating current circuits. The glowbottle including a hermetically sealed glass envelope (7) containing a fill of an ionizable gas and having at least two lead wires (2,3) disposed the... | 04/30/1996 |
| 5331250 | Thick film resistor for use in a vacuum and a high pressure discharge lamp having such a resistor A high pressure discharge lamp having a thick film resistor comprising a plurality of resistive elements. A first resistive element is included in a starting circuit for the lamp and a second resistive element is in series with the arc tube during lamp op... | 07/19/1994 |
| 5309061 | Compact fluorescent lamp having incandescent lamp starting aid A lamp assembly includes a tubular incandescent lamp located between the four tube sections of a double twin tube compact fluorescent lamp such that heat is transferred from the incandescent lamp to the fluorescent lamp when the incandescent lamp is energ... | 05/03/1994 |
| 5187416 | Arc discharge lamp with a vertical thermal switch extending between the lamp stem and inner neck wall An arc discharge lamp having an arc tube mounted within a lamp envelope includes a thermal switch for controlling application of electrical energy to a starting electrode. The thermal switch is mounted between the arc tube and the lamp base with its longi... | 02/16/1993 |
| 5109183 | High pressure discharge lamp having a simplified mount construction A high pressure sodium discharge lamp having an arc tube mounted within a lamp envelope and having a resistor connected electrically in series with the arc tube. An insulative body is provided between the arc tube feed-through closest to the stem and a ri... | 04/28/1992 |
| 5079480 | Bimetal/resistor switch and ceramic bridge assembly for metal halide lamps A high pressure lamp assembly having an improved structure for supporting the discharge tube while providing an opening bi-metallic switch for electrically disconnecting the auxiliary electrode. Metallic frames are disposed at the upper and lower ends of ... | 01/07/1992 |
| 5066892 | Glow discharge lamp with incandescent filament A glow discharge lamp includes a sealed lamp envelope containing a noble gas and mercury, a cathode and an anode disposed in the lamp envelope and an incandescent filament for emitting visible light for illumination immediately upon application of power a... | 11/19/1991 |
| 5015916 | Electric discharge lamp and thermal switch starter means therefor An electric discharge lamp is disclosed utilizing an improved thermally responsive switch for operation of an auxiliary starting electrode. The improved switch has a more compact structural configuration which further accommodates temperature excursions b... | 05/14/1991 |
| 4981330 | High-pressure sodium vapor discharge lamp A high-pressure sodium vapor discharge lamp having a discharge vessel in which main electrodes are arranged and an ignition system which comprises an electric conductor surrounding the discharge vessel over at least a part of its circumference, which cond... | 01/01/1991 |
| 4975622 | HPS discharge lamp with simplified starting aid structure An HPS sodium vapor discharge lamp having a starting aid consisting essentially of a metallic band disposed circumscribing one end of the lamp discharge vessel, and means for applying a voltage to the metallic bond for inducing ionization throughout the v... | 12/04/1990 |
| 4897576 | Metal vapor discharge lamp having starter therein In parallel connecting a starter to a luminous tube, the starter being formed by a coiled nonfusible metal wire which is wound to or laid along the outer wall of the luminous tube and a nonlinear capacitor which is in series connected to the nonfusible me... | 01/30/1990 |
| 4742275 | High pressure metal vapor discharge lamp with starting element A high pressure metal vapor discharge lamp comprises a light-emitting tube in which a pair of electrodes is enclosed, a starting element including a normally closed-type thermal switch and a resistive member, the starting element generating a pulse by clo... | 05/03/1988 |
| 4672270 | Metal vapor discharge lamp having a starting device of a thermal switch type A metal vapor discharge lamp has a burner for sealing xenon gas, mercury and a light-emitting additive in a translucent ceramic tube, a starting device of a thermal switch type which has a series circuit of a thermal switch and a coil filament and which i... | 06/09/1987 |
| 4658184 | Method of triggering a high pressure sodium vapor lamp and sodium vapor lamp with improved triggering A high vacuum sodium vapor lamp whose discharge tube is surrounded by a heating coil connected in series with a switch opening to interrupt the heating after the lapse of a heating period sufficient to allow breakdown of the tube, is also provided with ov... | 04/14/1987 |
| 4608521 | Dual spiral line generator method and apparatus for starting low wattage high intensity discharge lamps A starter circuit for metal halide discharge lamps in which a pair of spiral line generators are coupled between the source of lamp operating power and the electrodes of the high intensity discharge lamp. The spiral line generators are connected across th... | 08/26/1986 |
| 4570104 | Electric lamp having a fuse in a feed-through molding A lamp having a ceramic molding between a cap and a lamp envelope, the current supply conductors passing through the molding between the cap and the envelope. The conductors pass through separate ducts in the molding, one of the conductors includes a fuse... | 02/11/1986 |
| 4567403 | High pressure discharge lamp with incorporated starter In a high pressure discharge lamp device provided with an inductive stabilizer and a starting circuit consisting of a serial circuit of a resistor and a bimetal switch, a pulse waveform conversion circuit is arranged therein to reduce the pulse peak of th... | 01/28/1986 |
| 4560906 | Lighting system and compact electric lighting unit A lighting system having a high pressure gas discharge light source and an incandescent light source within a common sealed and evacuated bulb. A ballast unit fitted externally to the neck of the bulb includes in series with the incandescent light source ... | 12/24/1985 |
| 4498030 | High-pressure sodium vapor discharge lamp with bimetallic element The invention relates to a high-pressure sodium vapor discharge lamp comprising a discharge vessel and a glow starter. The glow starter in the inoperative condition of the lamp is electrically connected parallel to the discharge vessel. In the operative c... | 02/05/1985 |
| 4481446 | Metal vapor discharge lamp In a metal vapor discharge lamp for operating it by high voltage generated in the actuation of a heat sensitive switch means in an outer bulb, a relatively low pressure of a sealed gas or mercury is sealed in the outer bulb to operate the heat sensitive s... | 11/06/1984 |
| 4471264 | Cathode ray tube An electrical conductor device is connected between an anode voltage supply terminal on the funnel and an electron gun assembly in the neck in parallel with a conductive inner graphite film for electrical connection of the terminal and the assembly. The c... | 09/11/1984 |
| 4459513 | High pressure sodium vapor lamp having resistance heater means An improved high pressure sodium vapor lamp is described having resistance heater means contained within a tubular light-transmitting ceramic envelope that further contains a reservoir of sodium-mercury amalgam in excess of the quantity vaporized during l... | 07/10/1984 |
| 4442379 | High pressure sodium vapor lamp having resistance heater means An improved high pressure sodium vapor lamp is described having resistance heater means contained within a tubular light-transmitting ceramic envelope that further contains a reservoir of sodium-mercury amalgam in excess of the quantity vaporized during l... | 04/10/1984 |
