Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5410557 | Method and apparatus for recognizing valid components in a digital signal | — | 1995-04-25 |
| 5367535 | Method and circuit for regenerating a binary bit stream from a ternary signal | — | 1994-11-22 |
| 4773084 | Synchronizing pattern | — | 1988-09-20 |
| 4639687 | Phase control circuit | — | 1987-01-27 |
| 4636875 | Playback device for a digital signal recorded by a plurality of heads | — | 1987-01-13 |
| 4609688 | Transparent, anti-fogging coating comprised of plastic material containing a surface active agent | Helmer Radisch | 1986-09-02 |
| 4551484 | Transparent, antifogging coating comprised of a plastic material containing a surface active agent | Helmer Radisch | 1985-11-05 |
| 4430736 | Circuit for correcting distortions in a PCM transmission device | — | 1984-02-07 |
| 4425644 | PCM Signal system | — | 1984-01-10 |
| 4406988 | Circuit for processing a digital signal | — | 1983-09-27 |
| 4346353 | Modulator and demodulator circuits for modified delay modulation method | — | 1982-08-24 |
| 4331927 | Noninverting amplifier circuit with low input impedance | — | 1982-05-25 |
| 4319205 | Control voltage generator for a system for dynamic compression or expansion | — | 1982-03-09 |
| 4293869 | Circuit for reducing drop-out errors in a video signal derived from a recording device | — | 1981-10-06 |
| 4287491 | Circuit for selectively obtaining automatic dynamic compression or expansion | — | 1981-09-01 |
| 4220968 | Circuit for generating a constant reference oscillation from a video signal affected by a time error | — | 1980-09-02 |
| 4183043 | Trilinear sequential transmission system for a color television signal, particularly for a recording | Gerald Dickopp, Gerhard Mahler | 1980-01-08 |