Halogen dual-beam lamp
The invention relates to a lamp-reflector unit provided with a first and a second light source axially disposed on a lamp axis, and a reflector with a reflecting part. A modification of the reflecting part of the reflector to a shape somewhere in between a parabolic shape and a shape of a straight c...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The invention relates to a lamp-reflector unit provided with a first and a second light source axially disposed on a lamp axis, and a reflector with a reflecting part. A modification of the reflecting part of the reflector to a shape somewhere in between a parabolic shape and a shape of a straight cone achieves that light of a narrow beam, i.e. a beam with a beam angle less than 15°, is obtained from the first light source, while the light beam as obtained from the second light source does not show any "optical hole" in its center. |
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