|
US1560552A
(en)
*
|
1924-06-17 |
1925-11-10 |
Lee W Esterbrook |
Sound-reproducing instrument
|
|
US1640915A
(en)
*
|
1925-06-22 |
1927-08-30 |
Charles G Wieland |
Telephone diaphragm
|
|
FR656654A
(fr)
*
|
1926-04-28 |
1929-05-14 |
|
Perfectionnements aux condensateurs vibrants
|
|
US1896073A
(en)
*
|
1930-10-07 |
1933-02-07 |
Charles F Dilks |
Acoustic diaphragm
|
|
US1990409A
(en)
*
|
1932-02-19 |
1935-02-05 |
Neville Athol Ernest |
Acoustical diaphragm
|
|
US2924290A
(en)
*
|
1955-12-30 |
1960-02-09 |
Gen Electric |
Double cone loudspeaker
|
|
US2975243A
(en)
*
|
1958-01-17 |
1961-03-14 |
Philco Corp |
Transducers
|
|
US3019854A
(en)
*
|
1959-10-12 |
1962-02-06 |
Waitus A O'bryant |
Filter for heating and air conditioning ducts
|
|
US3129268A
(en)
*
|
1961-12-12 |
1964-04-14 |
Standard Mfg Company |
Evaporator panels
|
|
US3194339A
(en)
*
|
1962-06-08 |
1965-07-13 |
Electro Voice |
Loudspeaker system
|
|
US3351719A
(en)
*
|
1964-02-05 |
1967-11-07 |
Electronic Res Associates Inc |
Loudspeaker assembly
|
|
US3383475A
(en)
*
|
1965-09-08 |
1968-05-14 |
Euphonics Corp |
Microphone employing piezoresistive element
|
|
US3674946A
(en)
*
|
1970-12-23 |
1972-07-04 |
Magnepan Inc |
Electromagnetic transducer
|
|
DE2225710C3
(de)
*
|
1971-05-28 |
1975-12-04 |
Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka |
Membran für elektroakustische Wandler und Verfahren zu ihrer Herstellung
|
|
US3892927A
(en)
*
|
1973-09-04 |
1975-07-01 |
Theodore Lindenberg |
Full range electrostatic loudspeaker for audio frequencies
|
|
US3778562A
(en)
*
|
1973-10-21 |
1973-12-11 |
Dayton Wright Ass Ltd |
Electrostatic loudspeaker having acoustic wavefront modifying device
|
|
US3898598A
(en)
*
|
1974-01-24 |
1975-08-05 |
Foster Tsushin Kogyo |
Dynamic electroacoustic transducer
|
|
US3935397A
(en)
*
|
1974-01-28 |
1976-01-27 |
Electronic Industries, Inc. |
Electrostatic loudspeaker element
|
|
JPS5215972B2
(enrdf_load_stackoverflow)
*
|
1974-02-28 |
1977-05-06 |
|
|
|
US3944020A
(en)
*
|
1974-07-17 |
1976-03-16 |
Ronald Leroy Brown |
Speaker headrest for motor vehicles
|
|
JPS51140619A
(en)
*
|
1975-05-30 |
1976-12-03 |
Pioneer Electronic Corp |
Vibration member for acoustic convertor
|
|
USD248856S
(en)
*
|
1976-10-22 |
1978-08-08 |
Saidel Jack R |
Speaker grill
|
|
US4187926A
(en)
*
|
1977-06-27 |
1980-02-12 |
Altec Corporation |
Loudspeaker horn
|
|
USD260891S
(en)
*
|
1978-12-04 |
1981-09-22 |
Windsor Industries, Inc. |
Portable radio
|
|
FR2632472B1
(fr)
*
|
1988-06-03 |
1990-07-27 |
Loire Electronique |
Dispositif de fixation de grilles ou plaques de decor et de protection d'appareils, en particulier d'appareils electriques ou electroniques
|
|
US5020630A
(en)
*
|
1989-12-08 |
1991-06-04 |
Electro-Voice, Inc. |
Loudspeaker and horn therefor
|
|
US5069011A
(en)
*
|
1990-04-06 |
1991-12-03 |
Grosh Scenic Studios, Inc. |
Portable acoustical panel structure
|
|
US5103927A
(en)
*
|
1990-08-07 |
1992-04-14 |
Heavener James D |
Variable pattern, collapsible, directional transducer
|
|
US5322979A
(en)
*
|
1992-01-08 |
1994-06-21 |
Cassity Terry A |
Speaker cover assembly
|
|
USD358205S
(en)
*
|
1993-03-01 |
1995-05-09 |
Ottawa Mould Craft Ltd. |
Grill for a vent
|
|
US5392358A
(en)
*
|
1993-04-05 |
1995-02-21 |
Driver; Michael L. |
Electrolytic loudspeaker assembly
|
|
US5992561A
(en)
*
|
1998-01-06 |
1999-11-30 |
Kinetics Noise Control |
Sound absorber, room and method of making
|
|
US6393129B1
(en)
*
|
1998-01-07 |
2002-05-21 |
American Technology Corporation |
Paper structures for speaker transducers
|
|
USD418138S
(en)
*
|
1998-04-28 |
1999-12-28 |
Sony Corporation |
Speaker box
|
|
US5987647A
(en)
*
|
1998-10-23 |
1999-11-23 |
Ouellette; Jennifer |
Women's headband its method of construction
|
|
US6112847A
(en)
*
|
1999-03-15 |
2000-09-05 |
Clair Brothers Audio Enterprises, Inc. |
Loudspeaker with differentiated energy distribution in vertical and horizontal planes
|
|
USD437405S1
(en)
*
|
1999-11-23 |
2001-02-06 |
Nuvent, Inc. |
Ventilation grill
|
|
US20020014369A1
(en)
*
|
2000-07-31 |
2002-02-07 |
Mark Engebretson |
System for integrating mid-range and high frequency acoustic sources in multi-way loudspeakers
|
|
USD450778S1
(en)
*
|
2000-07-31 |
2001-11-20 |
Harman International Industries, Incorporated |
Radiation boundary integrator for a loudspeaker system
|
|
USD482676S1
(en)
*
|
2002-01-17 |
2003-11-25 |
Genelec Oy |
Loudspeaker
|
|
USD491165S1
(en)
*
|
2003-09-16 |
2004-06-08 |
Sony Corporation |
Speaker box
|
|
USD512988S1
(en)
*
|
2003-11-18 |
2005-12-20 |
Bose Corporation |
Loudspeaker
|
|
US7230822B2
(en)
*
|
2004-04-30 |
2007-06-12 |
Altec Lansing, A Division Of Plantronics, Inc. |
Compact portable media reproduction system
|
|
USD532773S1
(en)
*
|
2005-03-01 |
2006-11-28 |
Altec Lansing Technologies, Inc. |
Compact portable media reproduction device
|
|
US7469053B2
(en)
*
|
2005-04-15 |
2008-12-23 |
Plantronics, Inc. |
Stand system with integrated electrical plug for portable electronic devices
|
|
US8670581B2
(en)
*
|
2006-04-14 |
2014-03-11 |
Murray R. Harman |
Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically
|
|
USD578633S1
(en)
*
|
2006-05-01 |
2008-10-14 |
Middle Atlantic Products, Inc. |
Vented hexagonal pattern panel
|
|
US7845462B2
(en)
*
|
2008-08-07 |
2010-12-07 |
Moore Dana A |
Wide frequency range horn with modular method for reducing diffraction effects
|
|
USD676020S1
(en)
*
|
2010-12-02 |
2013-02-12 |
Pioneer Corporation |
Speaker grill for automobile
|
|
USD674375S1
(en)
*
|
2011-01-31 |
2013-01-15 |
Tannoy Limited |
Waveguide
|
|
USD659678S1
(en)
*
|
2011-05-27 |
2012-05-15 |
Bose Corporation |
Loudspeaker
|
|
USD695705S1
(en)
*
|
2011-12-13 |
2013-12-17 |
Sony Corporation |
Audio player
|
|
USD689042S1
(en)
*
|
2012-01-12 |
2013-09-03 |
Harman International Industries, Incorporated |
Loudspeaker
|
|
USD698751S1
(en)
*
|
2012-08-15 |
2014-02-04 |
Loud Technologies Inc. |
Speaker
|
|
USD709856S1
(en)
*
|
2012-12-07 |
2014-07-29 |
Sdi Technologies, Inc. |
Bluetooth clock radio
|
|
WO2014132393A1
(ja)
*
|
2013-02-28 |
2014-09-04 |
パイオニア株式会社 |
スピーカ用振動板
|
|
USD726684S1
(en)
*
|
2013-08-27 |
2015-04-14 |
Harman International Industries, Incorporated |
Loudspeaker
|
|
USD719929S1
(en)
*
|
2013-10-16 |
2014-12-23 |
Motorola Mobility Llc |
Audio interface
|
|
USD767541S1
(en)
*
|
2014-04-23 |
2016-09-27 |
Martin Audio Limited |
Loudspeaker
|
|
USD742854S1
(en)
*
|
2014-06-12 |
2015-11-10 |
Bose Corporation |
Loudspeaker
|
|
USD775608S1
(en)
*
|
2014-10-17 |
2017-01-03 |
Yamaha Corporation |
Speaker diaphragm
|