EP 3665907 A4 20200819 - LOUDSPEAKER AND SOUND OUTPUTTING APPARATUS HAVING THE SAME
Title (en)
LOUDSPEAKER AND SOUND OUTPUTTING APPARATUS HAVING THE SAME
Title (de)
LAUTSPRECHER UND TONAUSGABEVORRICHTUNG DAMIT
Title (fr)
HAUT-PARLEUR ET APPAREIL DE SORTIE DE SON LE COMPRENANT
Publication
Application
Priority
- US 201762591388 P 20171128
- KR 20180092298 A 20180808
- KR 2018013443 W 20181107
Abstract (en)
[origin: KR20190062144A] Disclosed is a sound output apparatus which comprises: a plurality of loudspeakers; and a main body for receiving the plurality of loudspeakers. Each of the plurality of loudspeakers includes: a sound transformation unit for generating a sound wave; and a sound guide unit for directionally outputting the sound wave via a plurality of openings. A diameter of each of the plurality of openings can be increased as a distance from the sound transformation unit increases.
IPC 8 full level
H04R 1/28 (2006.01); H04R 1/32 (2006.01); H04R 1/34 (2006.01); H04R 5/02 (2006.01)
CPC (source: EP KR)
H04R 1/2803 (2013.01 - KR); H04R 1/2857 (2013.01 - EP); H04R 1/323 (2013.01 - KR); H04R 1/288 (2013.01 - EP); H04R 1/345 (2013.01 - EP); H04R 5/02 (2013.01 - EP); H04R 2205/022 (2013.01 - EP)
Citation (search report)
- [XYI] WO 2016134861 A1 20160901 - PSS BELGIUM NV [BE]
- [XP] EP 3334182 A1 20180613 - SAMSUNG ELECTRONICS CO LTD [KR]
- [Y] JP 2009296153 A 20091217 - MITSUBISHI ELECTRIC ENG, et al
- [A] US 5552569 A 19960903 - SAPKOWSKI MECHISLAO [VE]
- See references of WO 2019107781A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3665907 A1 20200617; EP 3665907 A4 20200819; KR 102486291 B1 20230110; KR 20190062144 A 20190605
DOCDB simple family (application)
EP 18884089 A 20181107; KR 20180092298 A 20180808