| Patent Number |
Title Of Patent |
Date Issued |
| 5827438 |
Electrically modulatable thermal radiant source with specific filament |
October 27, 1998 |
| The invention is related to an electrically modulatable thermal radiant source with a multilayer structure. The radiant source includes a substrate, a first insulating layer formed onto the substrate, a radiant surface layer formed onto the first insulating layer, a second insulating |
| 5818586 |
Miniaturized fabry-perot spectrometer for optical analysis |
October 6, 1998 |
| A miniaturized spectrometer for gas concentration measurement includes a radiation source for admitting electromagnetic radiation onto the gas to be measured, a detector for detecting the radiation transmitted through or emitted from the gas, an electrically tunable Fabry-Perot interfero |
| 5646729 |
Single-channel gas concentration measurement method and apparatus using a short-resonator Fabry- |
July 8, 1997 |
| A single-channel gas concentration measurement method and apparatus. According to the method, a radiant source is employed to generate a measuring signal, the measuring signal is subsequently directed to a measurement object containing a gas mixture to be measured, the measuring sign |
| 5644676 |
Thermal radiant source with filament encapsulated in protective film |
July 1, 1997 |
| An electrically modulatable radiant source includes an essentially planar substrate, a well or hole formed in the substrate, and at least one incandescent filament attached to the substrate. The incandescent filament is aligned with the well or hole and is formed of a metallic compound |
| 5561523 |
Electrically tunable fabry-perot interferometer produced by surface micromechanical techniques f |
October 1, 1996 |
| An electrostatically tunable Fabry-Perot interferometer produced by surface micromechanical techniques is used in optical material analysis as an optical sweeping filter in which the optical measurement wavelength is centered at a wavelength .lambda.. The Fabry-Perot interferometer based |
| 5500569 |
Electrically modulatable thermal radiant source and method for manufacturing the same |
March 19, 1996 |
| A radiant source including an essentially planar substrate having a well or hole formed therein. At least one incandescent filament is mounted to the substrate and aligned at the well or hole. Contact pads are formed onto the substrate, to both ends of the incandescent filament, and feed |
