Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8208572 | Method for transmitting and receiving quadrature amplitude modulation signals, a system for carrying out said method, a machine-readable carrier and the use of a method for synchronously receiving quadrature amplitude modulation signals | Leonid Letunov, Alexander Grigoriev | 2012-06-26 |
| 7903759 | Method for transmitting and receiving quadrature-amplitude modulation signals, system for implementing thereof, machine-readable medium, and application of the method for synchronizing reception of amplitude modulation signals | Alexander Grigoriev, Leonid Letunov | 2011-03-08 |
| 7903765 | Method for demodulating the signal of multiple-position frequency manipulation with equidistant frequency spreading, demodulator for this signal, and computer-readable medium | Alexander Grigoriev, Leonid Letunov | 2011-03-08 |
| 7684496 | Methods and systems for digital data transmission | Leonid Letounov | 2010-03-23 |
| 7212577 | Information transfer methods | Leonid Alexeyevich Letounov | 2007-05-01 |
| 7187720 | Noiseless data transmission method | Leonid Alexeyevich Letounov | 2007-03-06 |