Dag E. Akerberg
18Patents
15h-index
7Co-inventors
71Inventor score
Filing activity: Jan 23, 1975 → Sep 4, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4980907A | Telecommunication combination comprising a telepoint and a portable radio terminal | Electricity | 170 | Expired |
| US3973200A | Process for acknowledging calls in a system for wireless staff locators | Physics | 150 | Expired |
| US5533027A | Digital fixed radio access system providing local mobility | Electricity | 149 | Expired |
| US6483826B1 | Utilization of plural multiple access types for mobile telecommunications | Electricity | 70 | Expired |
| US4347501A | Installation for transmitting alarm signals | Physics | 54 | Expired |
| US5150362A | Beacon carrier | Electricity | 53 | Expired |
| US4731812A | Installation with portable, wireless telephone sets | Electricity | 44 | Expired |
| US6839333B1 | TDMA-TDD/FDD radio communication system and channel selection method and apparatus for such a system | Electricity | 44 | Expired |
| US5109527A | Mobile radio communications method avoiding unnecessary transmissions in environment of unknown channel allocation | Electricity | 36 | Expired |
| US4628152A | Method and apparatus for transmission of telephone calls to a portable, wireless telephone set | Electricity | 32 | Expired |
| US5134710A | Method of transmitting call information in a short range mobile telephone system and a radio unit for carrying out the method | Electricity | 31 | Expired |
| US4759022A | Method and receiver for receiving messages sent by radio | Electricity | 19 | Expired |
| US4709401A | Method of setting radio transmitters for synchronous radio transmission | Physics | 17 | Expired |
| US4764928A | Method and apparatus in radio reception for avoiding storing a message more than once | Electricity | 17 | Expired |
| US4709402A | Method of synchronizing radio transmitters for synchronous radio transmission | Physics | 16 | Expired |
| US7389112B2 | Mobile terminal for optimal spectrum utilization in cellular systems | Electricity | 11 | Expired |
| US4682350A | Equipment for wireless telephone transmission | Electricity | 9 | Expired |
| US6046993A | Method to adapt a synchronous transmission | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.