EP 3341932 B1 20200812 - MACHINE AND METHOD FOR ACOUSTIC WHITE NOISE GENERATION
Title (en)
MACHINE AND METHOD FOR ACOUSTIC WHITE NOISE GENERATION
Title (de)
MASCHINE UND VERFAHREN ZUR ERZEUGUNG VON AKUSTISCHEM WEISSEM RAUSCHEN
Title (fr)
MACHINE ET PROCÉDÉ POUR PRODUCTION DE BRUIT BLANC ACOUSTIQUE
Publication
Application
Priority
- US 201562209852 P 20150825
- US 2016048761 W 20160825
Abstract (en)
[origin: CN107924676A] Embodiments of the present invention are generally related to acoustic white noise machines. In particular, embodiments of the present invention are directed to an acoustic white noise machine that comprises a fan blade designed to shear airflow against a sharp edge in order to create broadband turbulent noise. Embodiments of the present invention may further include an adjustable enclosure that may be manipulated via the rotation or other movement of an outer shell to alter the amount of air being sheared by the fan blade, thereby changing the frequencies which resonate in the adjustable enclosure.
IPC 8 full level
G10K 15/04 (2006.01); G10K 11/175 (2006.01)
CPC (source: EP US)
G10K 11/175 (2013.01 - EP US); G10K 15/04 (2013.01 - EP); G10K 2210/3049 (2013.01 - EP)
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
DOCDB simple family (publication)
CN 107924676 A 20180417; EP 3341932 A2 20180704; EP 3341932 A4 20190828; EP 3341932 B1 20200812
DOCDB simple family (application)
CN 201680050528 A 20160825; EP 16840149 A 20160825