Alternating current hid lamp with magnetic deflection

A lamp system comprising:

• an arc discharge lamp having an arc formed between two electrodes,
• a lamp controller receiving power from a power source, and providing alternating lamp current having a first portion of the alternating cycle, and a second portion of the alternating cycle, the alternating current to power the lamp, and providing a power signal indicating the state of the lamp current, a first electromagnet positioned adjacent the lamp to affect the position of the arc in a first direction,
• a second electromagnet positioned adjacent the lamp to affect the position of the arc in a second direction, different from the first direction, and
• an amplifier circuit receiving power from a power source, and receiving the power signal, and providing a first current during the first portion of the current cycle to the first electromagnet with respect to the alternating lamp current to direct the arc in the first direction, and providing a second current during the second portion of the current cycle to drive the second electromagnet with respect to the alternating lamp current to direct the arc in the second direction,
• wherein the amplifier in a first state provides magnetic power control with a first phase relation with respect to the lamp current, and in a second state provides magnetic power control with a second phase relation with respect to the lamp current, and wherein the lamp system further includes a switch to switch the amplifier between the first state and the second state.

A lamp system comprising:

• an arc discharge lamp having an arc formed between two electrodes,
• a lamp controller receiving power from a power source, and providing alternating lamp current to power the lamp, and providing a power signal indicating the state of the lamp current,
• an electromagnet positioned adjacent the lamp to affect the position of the arc, and an amplifier circuit receiving power from a power source, and receiving the power signal, and providing alternating current electromagnet power to drive the electromagnet with respect to the alternating lamp current,
• wherein the amplifier in a first state provides magnetic power control with a first phase relation with respect to the lamp current, and in a second state provides magnetic power control with a second phase relation with respect to the lamp current, and wherein the lamp system further includes a switch to switch the amplifier between the first state and the second state.

A lamp system comprising:

• an arc discharge lamp having an arc formed between two electrodes,
• a lamp controller receiving power from a power source, and providing alternating lamp current having a first portion of the alternating cycle, and a second portion of the alternating cycle, the alternating current to power the lamp, and providing a power signal indicating the state of the lamp current,
• a first electromagnet positioned adjacent the lamp to affect the position of the arc in a first direction,
• a second electromagnet positioned adjacent the lamp to affect the position of the arc in a second direction, different from the first direction, and
• an amplifier circuit receiving power from a power source, and receiving the power signal, and providing a first current during the first portion of the current cycle to the first electromagnet with respect to the alternating lamp current to direct the arc in the first direction, and providing a second current during the second portion of the current cycle to drive the second electromagnet with respect to the alternating lamp current to direct the arc in the second direction.

A lamp system comprising:

• an arc discharge lamp having an arc formed between two electrodes,
• a lamp controller receiving power from a power source, and providing alternating lamp current to power the lamp, and providing a power signal indicating the state of the lamp current,
• an electromagnet positioned adjacent the lamp to affect the position of the arc, and
• an amplifier circuit receiving power from a power source, and receiving the power signal, and providing alternating current electromagnet power to drive the electromagnet with respect to the alternating lamp current.

A lamp system comprising:

• an arc discharge lamp with a high operating pressure, having an arc formed between two single tipped electrodes,
• a lamp controller receiving power from a power source, and providing alternating lamp current to power the lamp, generating an arc between the electrode tips and, and providing a power signal indicating the state of the lamp current,
• an electromagnet positioned adjacent the lamp to affect the position of the arc, and
• an amplifier circuit receiving power from a power source, and receiving the power signal, providing alternating current electromagnet power to drive the electromagnet with respect to the alternating lamp current, and
• a reflector having a first focal region offset from a second focal region by about 2 millimeters, with the reflector positioned around the lamp, with the arc within magnetically deflectable range of the first focal region and the second focal region.