СПИСОК патентов США - подгруппа МПК16 H04Q1/26
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| № п/п | Номер патента | Название патента | |||
2009 | |||||
| 1 | 7546110 | Low power highly linear RF downconverter | |||
2002 | |||||
| 2 | 6335967 | Buffer for connection data | |||
1999 | |||||
| 3 | 5999592 | Network node event notification in circuit switched environments | |||
1998 | |||||
| 4 | 5852649 | Alarm notification system and method for a telephone switch | |||
1995 | |||||
| 5 | 5461662 | Electronic exchange apparatus | |||
1994 | |||||
| 6 | 5276727 | Remote maintenance method and device thereof in private branch exchange system | |||
1993 | |||||
| 7 | 5261061 | Remote maintenance and administration method in a switchboard system | |||
1991 | |||||
| 8 | 4989176 | Remote maintenance system | |||
1987 | |||||
| 9 | 4675896 | Remote monitoring apparatus | |||
1986 | |||||
| 10 | 4575839 | Centralized supervisory system | |||
1983 | |||||
| 11 | 4403119 | DTMF Activated remote telephone line switching and testing | |||
1980 | |||||
| 12 | 4187414 | Circuit arrangement for an interference data alarm system in communication facilities, particularly in telephone equipment | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||