Patent ID: 7331690

Claim:
An infrared headlight comprising: an infrared emitter which is arranged in a reflector and has a radiation source which is held in an internal area of a lamp vessel, and the headlight having a filter which is permeable for radiation in the infrared range and reflects radiation at another wavelength, having a filter body which surrounds the lamp vessel at least in places, wherein the filter body has a part which is provided with a filter layer and a part which is not provided with a filter layer, which parts are designed such that all of the radiation transmitted through the part provided with the filter layer strikes a first area of the reflector formed with a first material having a reflective characteristic or does not strike the reflector, and all of the radiation through the part not provided by the filter layer strikes a second area of the reflector formed from a second material having a second reflective characteristic different from the first reflective characteristic.