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:
Sep. 07, 2021
Filed:
Apr. 16, 2018
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Xiaogang Song, Nanjing, CN;
Pinghua Duan, Nanjing, CN;
Guanghua Pan, Nanjing, CN;
Zhen Yang, Nanjing, CN;
Jinhui Dou, Nanjing, CN;
Zhan Ying, Nanjing, CN;
Pengxiao Ge, Nanjing, CN;
Peng Xu, Nanjing, CN;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
A vent filter and a Radio Remote Unit having the vent filter. The vent filter includes a first member including a first body having a ventilation path extending through the first body, an inner wall constituting a ventilation hole which is communicated with the ventilation path, and an outer wall constituting a gap between the inner wall and the outer wall. The vent filter also includes a second member including a second body and at least one enclosure wall protruding out from the second body, wherein at least one of the at least one enclosure wall is located outside the outer wall and surrounding the outer wall. Both the inner and outer walls have at least one first groove at an end and each of the at least one enclosure wall has at least one second groove at an end.