Patent
   D866525
Priority
Dec 06 2017
Filed
Jun 06 2018
Issued
Nov 12 2019
Expiry
Nov 12 2034
Assg.orig
Entity
unknown
3
12
n/a
I claim, the ornamental design for a phase plug for loudspeaker, as shown and described.

FIG. 1 is a top perspective view of a phase plug for loudspeaker, showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a bottom perspective view thereof.

Chen, Zhi

Patent Priority Assignee Title
D912013, Apr 18 2018 TYMPHANY ACOUSTIC TECHNOLOGY HUIZHOU CO , LTD Magnet for magnetic circuit of loudspeaker
D920285, Jul 01 2019 B&C SPEAKERS S P A Loudspeaker
D956021, Mar 26 2018 VIABLUE GMBH Spike for a loudspeaker
Patent Priority Assignee Title
8181736, Aug 14 2008 Harman International Industries, Incorporated Phase plug and acoustic lens for direct radiating loudspeaker
D249509, Sep 23 1976 ALTEC LANSING CORPORATION, 101 COLLEGE ROAD, EAST, PRINCETON, NEW JERSEY, 08540, A CORP OF DE Acoustical transformer for coupling sound waves from the diaphragm to the throat of a horn-type loudspeaker
D357678, Oct 06 1993 Meyer Sound Laboratories Incorporated Acoustical ranging transceiver
D598429, Dec 13 2007 Panasonic Corporation Phase correcting plate for speakers
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D713821, Jul 10 2013 Harman International Industries, Incorporated Loudspeaker rear cover
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D791106, Dec 11 2014 Sony Corporation Speaker
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 31 2018CHEN, ZHIPREMIUM LOUDSPEAKERS HUI ZHOU CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0463680541 pdf
Jun 06 2018Tymphany Acoustic Technology (Huizhou) Co., Ltd.(assignment on the face of the patent)
Dec 25 2018PREMIUM LOUDSPEAKERS HUI ZHOU CO , LTD TYMPHANY ACOUSTIC TECHNOLOGY HUIZHOU CO , LTD CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0491210317 pdf
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