СПИСОК патентов США - подгруппа МПК16 H04R1/42



Выделить слова в названиях патентов:


№ п/п Номер патента Название патента

2017

19602914Porting audio using a connector in a small form factor electronic device

2016

29497545Analog area speaker panel with precision placement and direction of audio radiation
39430998Radio apparatus comprising an agglomeration of acoustically adsorbing members
49344819Adjustable securing mechanism for a space access device
59241205Vibration device, sound generator, speaker system, and electronic device

2015

69210514Throat microphone
79186277External ear canal pressure regulation system
89117435Volume amplifying assembly and portable electronic device packing case using the volume amplifying assembly
99100754Electrically conductive membrane pump/transducer and methods to make and use same
109060230Ear cleaning apparatus

2014

118804986Acoustic transducer including airfoil for generating sound

2013

128406450Thermoacoustic device with heat dissipating structure

2004

136752238Water resistant audible toys with sound effects

2002

146412594Water gun with sound effects module

2000

156055080Optical microphone

1997

165676353Hydraulic lever actuator

1996

175540248Fluidic sound amplification system

1995

185388162Sound innovation speaker system

1994

195377166Polyhedral directional transducer array
205281777Fluid damped acoustic enclosure system

1993

215246353Air breezing pump
225179595Electrodynamic-fluidic transducer element for pneumatic loudspeaker

1991

235060274Hydrostatic speaker and speaker driver
245054080Pneumatic loudspeaker with a continuous pressurized fluid flow

1989

254815049Disappearing baffle for sonar arrays

1988

264722517Mechanical spring having negative spring stiffness useful in an electroacoustic transducer

1987

274700396Sound-wave receiving appliance

1986

284607382Electroacoustic transducer unit with reduced resonant frequency and mechanical spring with negative spring stiffness, preferably used in such a transducer unit

1983

294409681Transducer
304392548Speaker enclosure and method of producing same

1981

314308431Speaker with low mass driver

1980

324194095Fluid flow control speaker system

1979

334175552Vibration device
344161632Pneumatic acoustic transducer with ferromagnetic fluid valve
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017