Abstract: An induction RF fluorescent light lamp capable of providing increased structural support and axial alignment for a power coupler located in a re-entrant cavity of a lamp envelope of the induction RF fluorescent light lamp, the lamp envelope with re-entrant cavity both covered on a partial vacuum side with phosphor and filled with a working gas mixture, the re-entrant cavity having an open entrance end and a closed innermost end, and a pliable spacer positioned between and in contact with both the innermost end of the power coupler and the innermost end of the re-entrant cavity, the pliable spacer having a shape that both provides structural support to prevent movement of the power coupler with respect to the re-entrant cavity and to provide axial alignment of the power coupler to the re-entrant cavity.

Abstract: An induction RF fluorescent lamp includes a lamp envelope with a re-entrant cavity both covered on a partial vacuum side with phosphor and filled with a working gas mixture; an air-core power coupler on the non-vacuum side of said re-entrant cavity comprising a coil composed of at least one turn of an electrical conductor; an electronic ballast, wherein the ballast converts mains frequency voltage and current to a power coupler frequency voltage and current, the electronic ballast providing the voltage and current to the power coupler through at least two of a plurality of electrical terminals of the electronic ballast; and a capacitor electrically connected between the air-core power coupler and at least one of the plurality of electrical terminals of the electronic ballast, wherein the magnitude of the impedance of the capacitor is high at the mains frequency and the magnitude of the impedance of that same capacitor is low at the operating frequency of the RF fluorescent lamp.

Abstract: A fast starting dimmable induction RF fluorescent lamp comprising a dimming facility enabling the induction RF fluorescent lamp to dim in response to a signal from an external dimming device, and with structures within the bulb envelope that facilitate rapid luminous development during a turn-on phase.

Abstract: An induction RF fluorescent lamp includes a lamp envelope with a re-entrant cavity both covered on a partial vacuum side with phosphor and filled with a working gas mixture; a power coupler on the non-vacuum side of said re-entrant cavity comprising a ferromagnetic core overwound with at least one turn of an electrical conductor; an electronic ballast, wherein the ballast converts mains frequency voltage and current to a power coupler frequency voltage and current, the electronic ballast providing the voltage and current to the power coupler through at least two of a plurality of electrical terminals of the electronic ballast; a capacitor electrically connected between the ferromagnetic core and at least one of the plurality of electrical terminals of the electronic ballast, wherein the magnitude of the impedance of the capacitor is high at the mains frequency and the magnitude of the impedance of that same capacitor is low at the operating frequency of the RF fluorescent lamp.

Abstract: An apparatus for powering and TRIAC dimming of a gas discharge lamp includes an electronic ballast for powering a gas discharge lamp from a TRIAC based dimmer connected to an AC line, an EMI filter for protecting the AC line from EMI generated by the ballast and the lamp, a DC bus without a smoothing electrolytic capacitor, a resonant DC-to-AC inverter connected to the DC bus for powering the gas discharge lamp with a high frequency current, wherein an auxiliary DC-to-DC power supply input is connected to the DC bus and a first resonant tank having in series a first resonant inductor and a first resonant capacitor, wherein the gas discharge lamp is connected in parallel to the resonant capacitor.

Abstract: An induction RF fluorescent lamp comprising a dimming device load control facility enabling the induction RF fluorescent lamp to provide for electrical loads required for the proper operation of an external control dimming device, the dimming device load control facility controlling a switched electrical load switched in and out of connectivity within the electronic ballast to provide a load for the external dimming device.

Abstract: An induction RF fluorescent lamp, comprising a lamp envelope and re-entrant cavity filled with a fluorescing gas mixture, a power coupler receiving an alternating voltage and current to generate an alternating magnetic field and thereby inducing an alternating electric field within the lamp envelope, a first metallic structure mounted within the lamp envelope in such a location and orientation to rapidly heat and vaporize mercury to promote rapid luminous development during the turn-on phase of the induction RF fluorescent lamp and a second metallic structure so as to promote electrical breakdown of the fluorescing gas mixture during the turn-on phase of the induction RF fluorescent lamp.

Abstract: A dimmable induction RF fluorescent lamp comprising a burst-mode dimming facility that periodically interrupts the high frequency voltage and current to a power coupler in order to reduce the power being delivered to the power coupler, where the periodic interruptions are synchronized with the operating frequency of the electronic ballast.

Abstract: A fast starting induction RF fluorescent lamp comprising a power coupler with conductive material in contact with the power coupler to reduce extraneous electromagnetic radiation emanating from the power coupler, and with structures within the bulb envelope that facilitate rapid luminous development during a turn-on phase.

Abstract: A dimmable induction RF fluorescent light bulb comprising a power coupler with conductive material in contact with the power coupler to reduce extraneous electromagnetic radiation emanating from the power coupler.

Abstract: An induction RF fluorescent lamp that is able to replace an ordinary reflector-type incandescent lamp, both in its ability to screw into a standard incandescent lamp socket and to have the general look of the ordinary reflector incandescent lamp, but with all of the advantages of an induction lamp, as described herein.

Abstract: A burst-mode dimmable induction RF fluorescent lamp that is able to replace an ordinary reflector-type incandescent lamp, both in its ability to screw into a standard incandescent lamp socket and to have the general look of the ordinary reflector incandescent lamp, but with all of the advantages of an induction lamp, as described herein.

Abstract: A fast starting induction RF fluorescent lamp comprising an electronic ballast operating at greater than 5 MHz, and a lamp envelope with structures that facilitate rapid luminous development during a turn-on phase.

Abstract: A high frequency induction RF fluorescent lamp comprising an electronic ballast operating at greater than 5 MHz and a power coupler with conductive material in contact with the power coupler to reduce extraneous electromagnetic radiation emanating from the power coupler.

Abstract: A dimmable induction RF fluorescent lamp that is able to replace an ordinary reflector-type incandescent lamp, both in its ability to screw into a standard incandescent lamp socket and to have the general look of the ordinary reflector incandescent lamp, but with all of the advantages of an induction lamp, as described herein.

Abstract: An induction RF fluorescent light lamp capable of providing increased structural support and axial alignment for a power coupler located in a re-entrant cavity of a lamp envelope of the induction RF fluorescent light lamp, the lamp envelope with re-entrant cavity both covered on a partial vacuum side with phosphor and filled with a working gas mixture, the re-entrant cavity having an open entrance end and a closed innermost end, and a pliable spacer positioned between and in contact with both the innermost end of the power coupler and the innermost end of the re-entrant cavity, the pliable spacer having a shape that both provides structural support to prevent movement of the power coupler with respect to the re-entrant cavity and to provide axial alignment of the power coupler to the re-entrant cavity.

Abstract: An induction RF fluorescent light bulb that is able to replace an ordinary incandescent light bulb, both in its ability to screw into a standard incandescent light bulb socket and to have the general look of the ordinary incandescent light bulb, but with all of the advantages of an induction lamp, as described herein. The present disclosure describes structures for an induction RF fluorescent light bulb that includes a bulbous portion, a tapered portion, an electronics portion, and a screw base, creating an external look that is similar to the profile of an ordinary incandescent light bulb.

Abstract: A dimmable induction RF fluorescent light bulb that is able to replace an ordinary incandescent light bulb, both in its ability to screw into a standard incandescent light bulb socket and to have the general look of the ordinary incandescent light bulb, but with all of the advantages of an induction lamp, as described herein. The present disclosure describes structures for an induction RF fluorescent light bulb that includes a bulbous portion, a tapered portion, an electronics portion, and a screw base, creating an external look that is similar to the profile of an ordinary incandescent light bulb.

Abstract: A high frequency induction RF fluorescent lamp with an electronic ballast operating at a frequency greater than 5 MHz comprising a burst-mode dimming facility enabling the induction RF fluorescent light bulb to dim in response to a control signal.

Abstract: An induction RF fluorescent lamp, comprising a bulbous vitreous portion filled with a working gas mixture, a power coupler comprising at least one winding of an electrical conductor for receiving an alternating voltage, and an electronic ballast providing appropriate voltage and current to the power coupler and operating at a frequency greater than 5 MHz wherein the electronic ballast comprises an EMI filter, an AC-to-DC converter, a DC bus, an input choke inductor and a DC-to-AC inverter.