СПИСОК патентов США - подгруппа МПК16 H04Q5/24
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9554245 | Dynamic configuration of mobile station location services | |||
2013 | |||||
| 2 | 8593255 | Method and apparatus for providing user interaction via transponders | |||
2011 | |||||
| 3 | 7965172 | Detection of toxic waste using RFIDs | |||
1989 | |||||
| 4 | 4797874 | Circuit arrangement for the transmission of communication signals | |||
1988 | |||||
| 5 | 4755994 | Capacity expander for telephone line | |||
1987 | |||||
| 6 | 4653046 | Single channel subscriber carrier system | |||
1984 | |||||
| 7 | 4459433 | Station identification circuit arrangement | |||
| 8 | 4435619 | Switching network interfacing telephone-exchange equipment with two-subscriber party line | |||
1983 | |||||
| 9 | 4418245 | Interference limiting two-port network for 1+1 type transmission systems | |||
1982 | |||||
| 10 | 4310723 | Party line apparatus | |||
1980 | |||||
| 11 | 4209667 | Subscriber drop-connected circuits | |||
| 12 | 4197433 | Device for conveying a high-voltage low-frequency signal over a carrier connection | |||
1978 | |||||
| 13 | 4103114 | Variable delay ringing detector | |||
1977 | |||||
| 14 | 4048551 | Battery charging circuit | |||
1976 | |||||
| 15 | 3939308 | Electronic side of line detector | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||