СПИСОК патентов США - подгруппа МПК16 H04M3/04
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9609109 | Method and apparatus for displaying incoming call information | |||
2012 | |||||
| 2 | 8320365 | Presence based telephony | |||
| 3 | 8107612 | Distributed session-based data | |||
2010 | |||||
| 4 | 7668157 | Presence based telephony | |||
2008 | |||||
| 5 | 7317716 | Methods and systems for presence-based telephony communications | |||
2006 | |||||
| 6 | 7139248 | Electronic conference system using presentation data processing based on audience equipment information | |||
2004 | |||||
| 7 | 6690792 | Active decoupling and power management circuit for line-powered ringing generator | |||
2003 | |||||
| 8 | 6654461 | Synthesized telephone line ring signal impedance termination | |||
1999 | |||||
| 9 | 5892812 | Common channeling signaling network maintenance and testing | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||