СПИСОК патентов США - подгруппа МПК16 H04R23/02
|
|
| № п/п | Номер патента | Название патента | |||
2016 | |||||
| 1 | 9479875 | Multi-mode microphones | |||
2008 | |||||
| 2 | 7327637 | Acoustic pulse actuator | |||
2002 | |||||
| 3 | 6393129 | Paper structures for speaker transducers | |||
1999 | |||||
| 4 | 5910855 | Passive acousto-optic modulator | |||
1998 | |||||
| 5 | 5726396 | Folded acoustical horn | |||
| 6 | 5721379 | Electromagnetic acoustic transducers | |||
1991 | |||||
| 7 | 5047683 | Hybrid transducer | |||
1985 | |||||
| 8 | 4554414 | Multi-driver loudspeaker | |||
| 9 | 4504703 | Electro-acoustic transducer | |||
| 10 | 4497981 | Multi-driver loudspeaker | |||
1984 | |||||
| 11 | 4475014 | Acoustical transducer | |||
| 12 | 4447678 | Electracoustic transducer | |||
| 13 | 4443731 | Hybrid piezoelectric and magnetostrictive acoustic wave transducer | |||
1983 | |||||
| 14 | 4418248 | Dual element headphone | |||
| 15 | 4384394 | Method of manufacturing a piezoelectric transducer device | |||
1981 | |||||
| 16 | 4284921 | Polymeric piezoelectric transducer with thermoformed protuberances | |||
1980 | |||||
| 17 | 4242541 | Composite type acoustic transducer | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||