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| Number | Title | Issue Date |
| 6713668 | Solar energy converter and solar energy conversion system A solar energy converter includes: a light-concentrating instrument; an electron emitter in an insulated vacuum vessel, emitting electrons in a vacuum as a temperature rises by sunlight; an electron accelerator within the light-concentrating instrument; a cathode on... | 03/30/2004 |
| 6653547 | Solar energy converter The solar energy converter comprises an electron emitter and an electron collector. They are provided separate from each other in a vacuum vessel. Solar energy in a wide range of sunlight spectrum can be efficiently converted into electric energy by movin... | 11/25/2003 |
| 4169379 | Temperature measuring device for non-contacting temperature measurement A temperature measuring device for non-contacting temperature measurement includes a radiation pyrometer, located in a pressure-resistant housing. Power cables connect with said housing through pressure-resistant openings. The wall of the housing located ... | 10/02/1979 |