Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934810 | Method and apparatus for controlling the quantity of emitted light in an optical measuring head | Ulrich Nagele, Berndt Kammleiter, Klaus-Peter Koch | 1990-06-19 |
| 4876535 | Method and apparatus for non-contacting information transmission | Rudolf Grosskopf | 1989-10-24 |
| 4651301 | Circuit arrangement for performing rapid sortation or selection according to rank | Henry Kramer | 1987-03-17 |
| 4597009 | Method and circuit arrangement for video-rapid determination of the median of an evaluation window | Henry Kramer | 1986-06-24 |
| 4531814 | Method and apparatus for temporarily increasing the absorptance of optical transmitting components | — | 1985-07-30 |
| 4529275 | Continuous charge control for electrochromic layers | — | 1985-07-16 |
| 4529873 | Optical control circuit for electrochromic layers | Erwin Wiedmann | 1985-07-16 |
| 4512637 | Method and means for stepwise charge control of electrochromic layers | — | 1985-04-23 |