|
US1844787A
(en)
*
|
1930-12-26 |
1932-02-09 |
Gen Motors Radio Corp |
Cone type speaker
|
|
GB686743A
(en)
*
|
1947-08-27 |
1953-01-28 |
Magnavox Australia Pty Ltd |
Improvements in loud speakers
|
|
US2539672A
(en)
*
|
1949-04-29 |
1951-01-30 |
Rca Corp |
Coaxial dual-unit electrodynamic loud-speaker
|
|
US2873812A
(en)
*
|
1957-09-05 |
1959-02-17 |
Electro Voice |
High frequency loudspeaker structure
|
|
US3111187A
(en)
*
|
1959-11-23 |
1963-11-19 |
H J Leak & Company Ltd |
Diaphragm for electro acoustic transducer
|
|
US3462559A
(en)
*
|
1964-08-03 |
1969-08-19 |
Dallas Richard Wilder |
Two-piece loudspeaker
|
|
US3356796A
(en)
*
|
1964-08-11 |
1967-12-05 |
Gen Motors Corp |
Field case assembly for loudspeaker
|
|
USD250586S
(en)
*
|
1976-04-15 |
1978-12-19 |
Altec Corporation |
Loudspeaker
|
|
USD253108S
(en)
*
|
1977-06-13 |
1979-10-09 |
Pemcor, Inc. |
Loudspeaker
|
|
US4365114A
(en)
*
|
1979-09-14 |
1982-12-21 |
Pioneer Electronic Corporation |
Automotive loudspeaker having variable speaker orientation and particular electrical connections
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|
US4525604A
(en)
*
|
1983-06-07 |
1985-06-25 |
Electro-Voice, Incorporated |
Horn loudspeaker with convex diaphragm
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USD282065S
(en)
*
|
1983-10-17 |
1986-01-07 |
Tru-Die, Inc. |
Loudspeaker basket
|
|
USD295741S
(en)
*
|
1985-03-18 |
1988-05-17 |
Pioneer Electronic Corporation |
Speaker
|
|
DE3541493A1
(en)
*
|
1985-11-23 |
1987-06-04 |
Philips Patentverwaltung |
DEVICE FOR INSTALLING A LOUDSPEAKER IN A PART OF A BALL
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|
US5042072A
(en)
*
|
1989-04-14 |
1991-08-20 |
Harman International Industries, Inc. |
Self-cooled loudspeaker
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|
USD360886S
(en)
*
|
1994-09-02 |
1995-08-01 |
Velodyne Acoustics, Inc. |
Loudspeaker
|
|
USD393641S
(en)
*
|
1996-12-31 |
1998-04-21 |
Wu Hai-Fu |
Speaker
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US6072887A
(en)
*
|
1998-03-06 |
2000-06-06 |
Merry Electronics Co., Ltd. |
Receiver-transmitter of communication equipment
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US5909015A
(en)
*
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1998-03-26 |
1999-06-01 |
Yamamoto; Shuji |
Self-cooled loudspeaker
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US6095278A
(en)
*
|
1999-04-28 |
2000-08-01 |
Lin; Steff |
Base for holding the tweeter of a speaker
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US6738490B2
(en)
*
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2000-01-11 |
2004-05-18 |
Eugene P. Brandt |
Loudspeaker with independent magnetic dampening and excursion control
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|
US6393132B1
(en)
*
|
2000-01-18 |
2002-05-21 |
Jih Yo Electronic Co., Ltd. |
Speaker
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|
USD432118S
(en)
*
|
2000-01-19 |
2000-10-17 |
Syntronic Instruments, Inc. |
Loudspeaker
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|
JP2002078075A
(en)
*
|
2000-08-31 |
2002-03-15 |
Pioneer Electronic Corp |
Diaphragm for speaker
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JP2002135888A
(en)
*
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2000-10-23 |
2002-05-10 |
Pioneer Electronic Corp |
Diaphragm for speaker
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US7031490B2
(en)
*
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2002-03-26 |
2006-04-18 |
T C Sounds Inc. |
Speaker driver with detachable motor and basket
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USD486818S1
(en)
*
|
2003-02-11 |
2004-02-17 |
Sony Corporation |
Speaker
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|
USD502939S1
(en)
*
|
2003-11-19 |
2005-03-15 |
Roadmaster (Usa) Corp. |
Speaker
|
|
USD504416S1
(en)
*
|
2003-11-19 |
2005-04-26 |
Roadmaster (Usa) Corp. |
Speaker
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|
US7379558B2
(en)
*
|
2004-12-16 |
2008-05-27 |
Jl Audio, Inc. |
Loudspeaker with integrated spider standoff ring
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|
US7676045B2
(en)
*
|
2005-11-29 |
2010-03-09 |
Altec Lansing, Llc |
Mountable speaker assembly
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|
WO2008085177A1
(en)
*
|
2007-01-12 |
2008-07-17 |
Samson Technologies Corporation |
Speaker motor and speaker
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|
DE102008058028A1
(en)
*
|
2008-11-18 |
2010-05-20 |
K+H Vertriebs- Und Entwicklungsgesellschaft Mbh |
Speaker unit
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FR2955444B1
(en)
*
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2010-01-15 |
2012-08-03 |
Phl Audio |
COAXIAL SPEAKER SYSTEM WITH COMPRESSION CHAMBER
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CN202026439U
(en)
*
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2011-04-25 |
2011-11-02 |
瑞声光电科技(常州)有限公司 |
Loudspeaker
|