Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5907727 | Device for exposure metering | Walter Bletz, Robert Denk, Gerhard Kranz | 1999-05-25 |
| 4737668 | Circuit arrangement for reducing the settling time of logarithmic amplifiers | Walter Bletz, Helmut Bill | 1988-04-12 |
| 4694155 | Circuit arrangement to ascertain and indicate that a luminous density limit condition is exceeded | Walter Bletz | 1987-09-15 |
| 4647175 | Circuit arrangement for an electronic exposure meter | Walter Bletz | 1987-03-03 |
| 4310229 | Method and apparatus for automatic exposure control on a photographic camera | — | 1982-01-12 |
| 4284334 | Circuit arrangement for the compensation of the temperature coefficient of semiconductor junctions | — | 1981-08-18 |