Juha Rapeli
25Patents
14h-index
21Co-inventors
77Inventor score
Filing activity: Oct 23, 1981 → Sep 6, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6112061A | Radio communication device | Emerging Cross-Sectional Technologies | 59 | Expired |
| US6202932A | contactless coupling between a host unit and a smart card | Physics | 58 | Expired |
| US5754541A | Data transmission method, base station, and subscriber terminal | Electricity | 46 | Expired |
| US5822366A | Transceiver and method for generating and processing complex I/Q-signals | Electricity | 32 | Expired |
| US6167237A | Universal wireless communication system, a transmission protocol, a wireless communication station, and a radio base station | Electricity | 30 | Expired |
| US5285165A | Noise elimination method | Electricity | 30 | Expired |
| US6195559A | Communication system, a primary radio station, a secondary radio station, and a communication method | Electricity | 28 | Expired |
| US6510313B1 | Wireless communication device | Electricity | 24 | Expired |
| US5325075A | Method and circuit arrangement to generate a phase modulated or frequency modulated signal | Electricity | 21 | Expired |
| US5991605A | Method and circuit for creating a modulated signal in a transceiver | Electricity | 20 | Expired |
| US6182032A | Terminal switching to a lower speech codec rate when in a non-acoustically coupled speech path communication mode | Electricity | 17 | Expired |
| US6058261A | RF channel simulator | Electricity | 16 | Expired |
| US5079520A | Interpolating phase-locked loop frequency synthesizer | Electricity | 15 | Expired |
| US5270666A | Method and circuitry for demodulation of angle modulated signals by measuring cycle time | Electricity | 14 | Expired |
| US6731242B1 | Method of calculating the position of a mobile radio station based on shortest propagation time | Physics | 13 | Expired |
| US5387874A | Method and circuit for dynamic voltage intergration | Physics | 10 | Expired |
| US5497116A | Method and apparatus for processing signals | Physics | 9 | Expired |
| US6103417A | Flat elementary electrochemical cell and precursor element | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4408170A | Component with trimmable electric impedance | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6677541B1 | Keyboard and key and telephone apparatus with such a keyboard | Electricity | 5 | Expired |
| US5831303A | Field effect transistor utilizing the gate structure two-dimensionally | Electricity | 5 | Expired |
| US5949267A | Circuit arrangement for generating signals with different phases | Electricity | 3 | Expired |
| US5923204A | Two phase low energy signal processing using charge transfer capacitance | Physics | 2 | Expired |
| US5732108A | Method and apparatus for producing a difference signal between two signal frequencies, and for detection of modulation | Electricity | 1 | Expired |
| US6850737B1 | Antenna direction finding in mobile phones | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.