СПИСОК патентов США - подгруппа МПК16 H04R7/22



Выделить слова в названиях патентов:


№ п/п Номер патента Название патента

2016

19521498Assembling method for micro-loudspeaker assembly
29510099Speaker device
39398375Electrodynamic electroacoustic transducer, diaphragm thereof, and method of manufacturing the same
49369810Acoustic generator, acoustic generation device, and electronic device
59236042Oscillation device

2012

68262824Method for manufacturing electret diaphragm

2011

78053954Piezoelectric speaker

2007

87225895Audio speaker with wobble free voice coil movement
97185735Audio speaker with wobble free voice coil movement

2006

107025170Speaker

2005

116889796Loudspeaker suspension

2004

126782114Loudspeaker

2003

136568503Loudspeaker with improved mounting structure for the surround
146546106Acoustic device

1999

155969298Compression driver

1998

165850461Diaphragm support frames for acoustic transducers and method of assembly
175748759Loud speaker structure

1993

185255328Dynamic microphone

1992

195115474Speaker system

1987

204692942Electroacoustic transducer with piezoelectric diaphragm

1977

214063049Piezoelectric electroacoustic transducer
224016376Concave diaphragm for electro-acoustic transducer
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017