Henrik Hellberg
11Patents
2h-index
7Co-inventors
39Inventor score
Filing activity: Mar 19, 1997 → Dec 18, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6542605B1 | Method and arrangement for choosing supply voltage | Electricity | 4 | Expired |
| US6148076A | Method and an arrangement for controlling the operating mode of a subscriber line interface circuit | Electricity | 4 | Expired |
| US5901221A | Driving stage for driving differential amplifiers of a subscriber line interface circuit | Electricity | 2 | Expired |
| US6195429A | Arrangement in a subscriber line interface circuit | Electricity | 2 | Expired |
| US6119090A | Subscriber line interface circuit which automatically adjusts the signal headroom on a telephone line and a method of doing the same | Electricity | 1 | Expired |
| US6498849B1 | Arrangement in a subscriber line interface circuit | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7098723B2 | Semiconductor circuit regulator | Electricity | 1 | Expired |
| US5801520A | Supply voltage switching apparatus | Electricity | 1 | Expired |
| US5960076A | Method and apparatus for determining the deviation of longitudinal signal components from a predetermined value | Electricity | 0 | Expired |
| US6973181B2 | Method of generating a ring signal in a subscriber line interface circuit technical field | Electricity | 0 | Expired |
| US6239648A | System and method for dissipating heat in an electric device | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.