The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 17, 2015
Filed:
Aug. 13, 2012
Gil Ho Kang, Gunpo-si, KR;
Seong Moon Jung, Daejeon, KR;
Ju Hyung Lee, Uiwang-si, KR;
Joo Hwan Seo, Seoul, KR;
Gil Ho Kang, Gunpo-si, KR;
Seong Moon Jung, Daejeon, KR;
Ju Hyung Lee, Uiwang-si, KR;
Joo Hwan Seo, Seoul, KR;
LG HAUSYS, LTD., Seoul, KR;
Abstract
The present invention relates to a sound absorbing sheet having excellent sound absorbing performance and surface decorative effects. The sound absorbing sheet of the present invention is characterized by comprising a base and having an average sound absorption of 0.4 or higher in a frequency range of 200 to 2000 Hz. The permeability and air porosity of a base layer of the sound absorbing sheet of the present invention may be adjusted, thereby achieving significantly superior effects of sound absorbing performance despite the thinness of the sound absorbing sheet.