СПИСОК патентов США - подгруппа МПК16 H04R9/10



Выделить слова в названиях патентов:


№ п/п Номер патента Название патента

2016

19462403Package-integrable high sound quality moving coil loudspeaker structure
29456280Electromagnetic transducer
39451344Speaker device
49432773Speaker and audio-visual system
59338535Micro-speaker
69327961Electrodynamic speaker structure having MEMS technology
79319777Drive control circuit for vibration speaker

2004

86766034Multifunction acoustic device
96751332Speaker
106744904Multifunction acoustic device
116744895Loudspeaker
126711274Compound speaker for a portable communication device

2003

136665416Speaker with built-in direct current motor

2002

146466682Vibration speaker

2001

156289101Telephone receiver having a hollow portion

1995

165440630Telephone receiver with electrostatic discharge prevention

1993

175243662Electrodynamic sound generator for hearing aids

1992

185155773Electrodynamic transducer including inset

1988

194736435Ear piece transducer

1985

204529846Dynamic telephone receiver with magnetic shunt

1983

214418247Electrodynamic transducer
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017