Back to results
US 6,607,288 B2Granted
Motor vehicle headlight with high-pressure gas discharge lamp
AssigneeRobert Bosch GmbH
InventorsMartin Frey, Ingo Gorille
Life of this patent
Estimating the term…
Abstract
An automotive headlight with a high-pressure gas discharge lamp arranged inside a reflector contains an electronic ballast in a housing for operation of the high-pressure gas discharge lamp. The housing dissipates heat generated by the electronic unit in particular and possibly also by the high-pressure gas discharge lamp and provides an electromagnetic shield against any resulting electronic radiation. Cooling ribs may be provided on the housing to aid in heat dissipation.
Claims10
An automotive headlight, comprising:
- a high-pressure gas discharge lamp provided within a reflector;
- a housing arranged directly on the reflector and attached to the reflector via a locking mechanism;
- and
- an electronic ballast for operating the high-pressure gas discharge lamp provided within the housing, wherein the housing dissipates heat generated by the electronic ballast, and wherein the housing provides an electromagnetic shield against electromagnetic radiation,
- wherein the locking mechanism is a bayonet lock.
2 more elements
An automotive headlight, comprising:
- a high-pressure gas discharge lamp extending from a ballast housing;
- and
- an electronic ballast for operating the high-pressure gas discharge lamp, wherein the electronic ballast is provided within the ballast housing, wherein heat generated by the electronic ballast is dissipated by the ballast housing,
- wherein the ballast housing also provides an electromagnetic shield against electromagnetic radiation from the electronic ballast and, wherein a reflector is attached to the ballast housing via a locking mechanism.
1 more element
An automotive headlight, comprising:
- a high-pressure gas discharge lamp extending from a ballast housing;
- an electronic ballast for operating the high-pressure gas discharge lamp, wherein the electronic ballast is provided within the ballast housing, wherein heat generated by the electronic ballast is dissipated by the ballast housing;
- and,
- wherein a reflector is attached to the ballast housing via a locking mechanism, and wherein the locking mechanism is a bayonet lock.
1 more element
Dependencies are inferred from the claim text.