| 4656628 |
Digital signal transmission system |
— |
1987-04-07 |
| 4578797 |
Asynchronous connecting device |
Takane Satoh |
1986-03-25 |
| 4536875 |
Retransmission control system |
Hiroshi Kume |
1985-08-20 |
| 4535450 |
Digital signal repeating system |
— |
1985-08-13 |
| 4525837 |
Digital signal transmission system |
Fumio Miyao |
1985-06-25 |
| 4517531 |
Carrier wave reproducing circuit in synchronized detection system of medium speed facsimile |
Fumio Miyao |
1985-05-14 |
| 4516240 |
Time division digital signal transmission system with block packing |
Hiroshi Kume |
1985-05-07 |
| 4510600 |
Digital signal transmission system |
— |
1985-04-09 |
| 4507778 |
Digital transmission system |
— |
1985-03-26 |
| 4502137 |
Digital signal transmitting method |
— |
1985-02-26 |
| 4480200 |
Zero-crossing point detection circuit |
Fumio Miyao |
1984-10-30 |
| 4435804 |
Sub-signal transmitting system |
— |
1984-03-06 |
| 4270210 |
Digital diversity receiver, comprising an APC loop for locking instants of read-out of buffer memories to an averaged phase of signals supplied thereto |
Seiichi Noda |
1981-05-26 |
| 4250456 |
Device for demodulating PSK-FM double modulated carrier signals |
Saburo Shinmyo |
1981-02-10 |
| 4188615 |
Bit error detecting circuit for use in a digital signal transmission line |
— |
1980-02-12 |