СПИСОК патентов США - подгруппа МПК16 H04R27/02
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| № п/п | Номер патента | Название патента | |||
2016 | |||||
| 1 | 9307329 | Control device for induction loop system | |||
2015 | |||||
| 2 | 9210519 | Hearing assistance system and method | |||
| 3 | 9204232 | Method of identifying a wireless communication channel in a sound system | |||
1998 | |||||
| 4 | 5734964 | Mass programmable FM stereo sound equalized assistive listening apparatus | |||
1995 | |||||
| 5 | 5432858 | Enhanced concert audio system | |||
1989 | |||||
| 6 | 4831656 | Conference microphone for use with hearing impaired amplification system | |||
1982 | |||||
| 7 | 4354061 | Sensing coil in hearing aid | |||
1979 | |||||
| 8 | 4165487 | Low power system and method for communicating audio information to patrons having portable radio receivers | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||