СПИСОК патентов США - подгруппа МПК16 H04M1/20
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| № п/п | Номер патента | Название патента | |||
2017 | |||||
| 1 | 9538271 | Electronic apparatus having microphone | |||
2016 | |||||
| 2 | 9433271 | Protective cover with an acoustic isolation mechanism | |||
| 3 | 9232071 | Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in a mobile device | |||
2015 | |||||
| 4 | 9179224 | Hearing device with adaptive feedback-path estimation | |||
| 5 | 9167063 | Acoustic isolation mechanism | |||
| 6 | 9165550 | Acoustic isolation mechanism with membrane | |||
2010 | |||||
| 7 | 7739109 | System and process for muting audio transmission during a computer network-based, multi-party teleconferencing session | |||
2009 | |||||
| 8 | 7593749 | Method and radio terminal equipment arrangement of indicating incoming connection | |||
2005 | |||||
| 9 | 6932187 | Protective acoustic cover assembly | |||
2003 | |||||
| 10 | 6526150 | Telephone loudspeaker enclosure | |||
2001 | |||||
| 11 | 6311071 | Low-feedback compact wireless telephone | |||
| 12 | 6304654 | Telephone handset interface with feedback control | |||
| 13 | 6272360 | Remotely installed transmitter and a hands-free two-way voice terminal device using same | |||
| 14 | 6212273 | Full-duplex speakerphone circuit including a control interface | |||
2000 | |||||
| 15 | 6091965 | Low-feedback compact wireless telephone | |||
1999 | |||||
| 16 | 5923750 | Telephone handset | |||
| 17 | 5883966 | Portable telephone with a speaker having an improved acoustic characteristic | |||
| 18 | 5867573 | Telephone handset interface with feedback control | |||
1998 | |||||
| 19 | 5819183 | Low-feedback compact wireless telephone | |||
| 20 | 5778085 | Audio conference device having echo canceller | |||
| 21 | 5757905 | Telephone set with circuit for suppression of howling and echo | |||
| 22 | 5719935 | Cellular telephone | |||
1992 | |||||
| 23 | 5121426 | Loudspeaking telephone station including directional microphone | |||
1991 | |||||
| 24 | 5042071 | Acoustic insulator for a telephone handset microphone | |||
1990 | |||||
| 25 | 4937877 | Modular microphone assembly | |||
1989 | |||||
| 26 | 4876714 | Telephone set | |||
| 27 | 4864611 | Telephone handset attachment for use in-the-ear hearing aids | |||
| 28 | 4823384 | Telephone apparatus for the hearing impaired | |||
1985 | |||||
| 29 | 4491689 | Amplifier for use with telephone transmitter mounted in hand held telephone unit | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||