Endoscope for inspection of an observation cavity
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 28, 2003
Grant Date -
Jan 2, 2003
app pub date -
Jan 7, 2000
filing date -
May 13, 1998
priority date (Note) -
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Abstract
An endoscope for inspection of an observation cavity, in particular of an observation cavity in which a hot medium and/or infrared radiation is present, has a shaft in which an optical system is arranged. The shaft has an inner shaft and an outer shaft surrounding the latter at a distance, the optical system being arranged in the inner shaft. The shaft is configured in the region of its distal end in such a way that it is substantially opaque to electromagnetic radiation in the infrared spectral range.
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