СПИСОК патентов США - подгруппа МПК16 H04Q1/39
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| № п/п | Номер патента | Название патента | |||
2010 | |||||
| 1 | 7800518 | Pulse modulation method | |||
2000 | |||||
| 2 | 6020834 | System and method for transmitting coded data signals over a bandlimited bus | |||
1993 | |||||
| 3 | 5241591 | Telephone system having a dial data changeover switch | |||
1991 | |||||
| 4 | 5077735 | Method and an apparatus for mutually converting different signaling systems | |||
| 5 | 5060259 | Call progress capability for a switched channel data service unit | |||
| 6 | 4995076 | Call progress capability for a switched channel data service unit | |||
1987 | |||||
| 7 | 4683567 | Asynchronous signaling system for digital communication channel | |||
| 8 | 4672603 | Combined analog/digital CCIS data transmitter/receiver circuit | |||
1986 | |||||
| 9 | 4592051 | Activation in a digital subscriber connection | |||
| 10 | 4574376 | Activation of a transmission link by code sending | |||
1983 | |||||
| 11 | 4375102 | Digital code word detection | |||
1979 | |||||
| 12 | 4174466 | Multi-party telephone system allowing speech connection between extensions as between extensions and an outer line | |||
1978 | |||||
| 13 | 4129756 | Telephone exchange signalling unit | |||
| 14 | 4075513 | Averaging and peak detection circuit | |||
1977 | |||||
| 15 | 4060797 | Serial digital bit stream code detector | |||
1976 | |||||
| 16 | 3997727 | Time division multiplexed digital switching apparatus | |||
| 17 | 3985965 | Digital signal generator | |||
| 18 | 3965457 | Digital control processor | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||