Telefunken
6Patents
0Active
6Granted
24Portfolio score
Filing activity: Jul 24, 1991 → Feb 20, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5384811A | Method for the transmission of a signal | Electricity | 19 | Expired |
| US5325127A | Process for transmitting digital data, in particular sound data, in a TV channel | Electricity | 18 | Expired |
| US5208668A | Television transmission system including encoder and decoder compatible with current television standards having a 4:3 aspect ratio | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5740519A | Method for the time-correlated transmission of a control signal and a radio program signal | Electricity | 2 | Expired |
| US5666660A | System for receiving a radio signal including multiple receiving units | Electricity | 1 | Expired |
| US5627595A | Sdystem for transmitting and decoding biphase data, in particular for VPS | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.