СПИСОК патентов США - подгруппа МПК16 H04R7/26



Выделить слова в названиях патентов:


№ п/п Номер патента Название патента

2017

19602926Spatial placement of audio and video streams in a dynamic audio video display device
29591408Adjustable ventilation openings in MEMS structures

2016

39532144Loudspeaker
49497545Analog area speaker panel with precision placement and direction of audio radiation
59445200Piezoelectric speaker having weight and method of producing the same
69420380Acoustic transducer
79386378Acoustic generator
89369805Acoustic absorber, acoustic transducer, and method for producing an acoustic absorber or an acoustic transducer
99277327Acoustic generator, acoustic generating device, and electronic device
109232316Optically clear diaphragm for an acoustic transducer and method for making same

2015

119210514Throat microphone
129197960Phase correcting canalphone system and method
139185492Systems and methods for acousto-haptic speakers
149161134Acoustic generator, acoustic generating device, and electronic device
159094750Loudspeaker, inner-ear headphone including loudspeaker, and hearing aid including loudspeaker

2010

167845461Acoustic diaphragm and speaker

2009

177529154Hybrid thin film heterostructure modular vibration control apparatus and methods for fabrication thereof

2008

187325650Speaker

2007

197165647Mechanical acoustic filter by erosion etching

2004

206820719Butterfly damper

2003

216655495Loudspeaker damper and loudspeaker

1999

225999633Speaker damper

1997

235619019Damper for loudspeaker
245615275Planar diaphragm loudspeaker with counteractive weights

1992

255162619Diaphragm for a loudspeaker
265125473Speaker damper configuration

1989

274847908Loudspeaker having a two-part diaphragm for use as a car loudspeaker
284829581Electrodynamic transducer comprising a two-part diaphragm
294805729Speaker enclosure

1988

304722517Mechanical spring having negative spring stiffness useful in an electroacoustic transducer

1987

314709392Dome speaker with a diaphragm having at least one elongated cut-out portion

1986

324607382Electroacoustic transducer unit with reduced resonant frequency and mechanical spring with negative spring stiffness, preferably used in such a transducer unit
334591667Dome speaker with cut-out portions in the voice coil bobbin
344581496Diaphragm for attenuating harmonic response in an electroacoustic transducer

1984

354440983Electro-acoustic transducer with active dome
364440259Loudspeaker system for producing coherent sound

1983

374387787Loudspeaker having acoustic impedance frontal loading element
384379952Mechanical filter for an electrodynamic transducer

1982

394319098Loudspeaker having a unitary mechanical-acoustic diaphragm termination

1981

404283605Piezoelectric speaker
414252211Loudspeaker

1979

424163876Electro-acoustic transducer with variable thickness foam surfaced diaphragm
434146756Moving voice coil transducer with diaphragm having concentric sections of opposite curvature

1978

444105877Electrostatic loudspeaker having elastic diaphragm spacer elements cured in situ
454076098Loudspeaker diaphragm
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017