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1951-01-16 |
Bell Telephone Labor Inc |
Electrodynamic transducer and connector therefor
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*
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1955-11-30 |
1962-09-25 |
Guss Reuben |
Loudspeaker
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*
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1971-01-20 |
1973-01-16 |
G Bremseth |
Loudspeaker voice coils
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*
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1976-04-15 |
1978-12-19 |
Altec Corporation |
Loudspeaker
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DE2900427B1
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*
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1979-01-08 |
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Licentia Gmbh |
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1980-05-06 |
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Renkus-Heinz, Inc. |
High frequency compression driver and method of manufacture thereof
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1980-11-08 |
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Pioneer Kabushiki Kaisha |
Loudspeaker
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Eletro-Acustica S.A. |
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Kef Audio (Uk) Limited |
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Kabushiki Kaisha Seidenko |
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1991-04-04 |
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Perrson John K |
Direction-adjustable speaker system
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1994-02-14 |
Linaeum Corporation |
Audio transducer with etched voice coil
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1994-09-02 |
1995-08-01 |
Velodyne Acoustics, Inc. |
Loudspeaker
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1996-09-03 |
1998-12-22 |
Boston Acoustics, Inc. |
Loudspeaker
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1996-09-24 |
1998-04-14 |
Lin; Steff |
Speaker base for alternatively mounting different drivers
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1996-12-31 |
1998-04-21 |
Wu Hai-Fu |
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Speaker assembly
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Base for holding the tweeter of a speaker
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Loudspeaker
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2003-02-04 |
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Modular horn loudspeaker
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2002-10-04 |
Star Micronics Co Ltd |
スピーカ固定用ホルダ
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2010-09-29 |
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スピーカ
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2002-06-03 |
2003-10-14 |
Jl Audio, Inc. |
Loudspeaker
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USD488802S1
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*
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2003-04-21 |
2004-04-20 |
Sony Corporation |
Speaker
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USD504416S1
(en)
*
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2003-11-19 |
2005-04-26 |
Roadmaster (Usa) Corp. |
Speaker
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USD529899S1
(en)
*
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2004-09-24 |
2006-10-10 |
Matsushita Electric Industrial Co., Ltd. |
Speaker for an automobile
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*
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2004-12-28 |
2006-05-30 |
Schafernak Randolph J |
Speaker
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JP4594127B2
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2005-02-17 |
2010-12-08 |
パイオニア株式会社 |
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2010-07-07 |
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*
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2006-06-29 |
2008-01-29 |
Pioneer Kabushiki Kaisha |
Loudspeaker
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*
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2010-04-30 |
2011-11-02 |
Gp Acoustics |
Stiffened loudspeaker diaphragm
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CN101938681A
(zh)
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2010-09-10 |
2011-01-05 |
鸿富锦精密工业（深圳）有限公司 |
具有音腔的扬声器
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JP2012195930A
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2011-03-01 |
2012-10-11 |
Panasonic Corp |
スピーカ用フレームおよびこれを用いたスピーカおよびこのスピーカを用いた電子機器、移動体装置
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2012-10-15 |
2014-05-20 |
Yoon Tone |
Sound wave guide system for loudspeaker
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2013-03-19 |
2015-02-24 |
Samsung Electronics Co., Ltd. |
Audio speaker
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(enrdf_load_stackoverflow)
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2014-07-22 |
2015-03-09 |
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2014-10-09 |
2019-12-11 |
パナソニックＩｐマネジメント株式会社 |
ラウドスピーカおよびラウドスピーカ構造体
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JP1547495S
(enrdf_load_stackoverflow)
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2015-09-03 |
2016-04-11 |
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JP1574944S
(enrdf_load_stackoverflow)
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2016-06-24 |
2017-05-01 |
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JP1613655S
(enrdf_load_stackoverflow)
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2017-10-17 |
2018-09-18 |
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