Inductively powered lamp assembly

An inductively powered lamp assembly comprising:

• an inductive secondary to receive power from an inductive primary, the inductive secondary having a reactance;
• a lamp disposed in series with the inductive secondary, the lamp having an impedance that is substantially equal to the reactance of the inductive secondary;
• and
• a capacitor disposed in series with the inductive secondary and the lamp, the capacitor having a reactance that is substantially equal to or slightly less than the sum of the impedance of the lamp and the reactance of the inductive secondary.

An inductively powered lamp assembly comprising:

• a lamp circuit including:
• an inductive secondary to receive power from an inductive primary;
• a lamp disposed in series with the inductive secondary;
• and
• a transparent sleeve entirely enclosing the lamp circuit.

An inductively powered lamp assembly comprising:

• an electric-discharge lamp having a pair of electrodes;
• an inductive secondary to receive power from an inductive primary, each of the electrodes including a first lead electrically connected to the inductive secondary;
• and
• a magnetic starter switch operable between open and closed positions in response to a magnetic field, each of the electrodes including a second lead electrically connected to the magnetic starter switch, the magnetic starter switch shorting the electrodes across the inductive secondary when in the closed position to preheat the electric-discharge lamp.

An inductively powered electric discharge lamp assembly comprising:

• a lamp, the lamp having a first electrode, a second electrode and an electric-discharge gas contained within a lamp sleeve;
• an inductive secondary to receive power from an inductive primary;
• an electrical connector connecting the inductive secondary to the first electrode, whereby the inductive secondary provides power to the first electrode when subjected to an appropriate electromagnetic field generated by an inductive primary;
• and
• wherein the inductive secondary and the electrical connector are enclosed within the lamp sleeve, whereby the lamp is self-contained with the lamp sleeve being fully sealed and unpenetrated.

An inductively powered incandescent lamp assembly comprising:

• an incandescent lamp, the incandescent lamp having a filament contained within a lamp sleeve;
• an inductive secondary to receive power from an inductive primary;
• an electrical connector for connecting the inductive secondary to the filament, whereby the inductive secondary provides power to the filament when subjected to an appropriate magnetic field by an inductive primary;
• and
• wherein the inductive secondary and the electrical connector are enclosed within the lamp sleeve, whereby the incandescent lamp is self-contained with the lamp sleeve being fully sealed and unpenetrated.

An inductively powered electric-discharge lamp assembly comprising:

• first and second secondaries;
• a lamp having first and second electrodes, the first electrode being electrically connected to the first secondary, the second electrode being electrically connected to the second secondary;
• a capacitor connected in series between the first secondary and the second secondary;
• and
• a starter for preheating the first electrode and the second electrode, the starter electrically connected in series between the first electrode and the second electrode.

An inductively powered electric-discharge lamp assembly comprising:

• first and second secondaries;
• a lamp, the lamp having a first electrode and a second electrode, the first electrode being electrically connected to the first secondary, the second electrode being electrically connected to the second secondary;
• a capacitor connected in series between the first electrode and the second electrode;
• and
• a first remotely operable switch and a second remotely operable switch for preheating the electrodes, the first remotely operable switch electrically connected in series between the first electrode and the first secondary to selectively short the first electrode across the first secondary, the second remotely operable switch electrically connected in series between the second electrode and the second secondary to selectively short the second electrode across the second secondary.

An inductively powered electric-discharge lamp assembly comprising:

• first and second secondaries;
• a lamp having first and second electrodes, the first electrode being electrically connected to the first secondary, the second electrode being electrically connected to the second secondary;
• a capacitor connected in series between the first electrode and the second electrode;
• and
• a first switch and a second switch for preheating the electrodes, the first switch electrically connected in series between the first electrode and the first secondary to selectively short the first electrode across the first secondary, the second switch electrically connected in series between the second electrode and the second secondary to selectively short the second electrode across the second secondary.

An inductively powered electric-discharge lamp assembly comprising:

• first and second secondaries;
• a lamp, the lamp having a first electrode and a second electrode, the first electrode being electrically connected to the first secondary, the second electrode being electrically connected to the second secondary;
• first and second capacitors, the first capacitor connected in series between the first electrode and the first secondary, the second capacitor connected in series between the second electrode and the second secondary;
• and
• a first switch and a second switch for preheating the electrodes, the first switch electrically connected in series between the first electrode and the first secondary to selectively short the first electrode across the first secondary, the second switch electrically connected in series between the second electrode and the second secondary to selectively short the second electrode across the second secondary.