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:
May. 30, 2017
Filed:
Jul. 02, 2015
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Toshiyuki Matsumura, Osaka, JP;
Shuji Saiki, Nara, JP;
Abstract
A speaker diaphragm includes: a vibrator; and a suspension adhered to an outer peripheral part of the vibrator and supporting the vibrator so that the vibrator can vibrate, at least part of the suspension including a top surface member constituting a top surface part of the suspension, a rear surface member constituting a rear surface part of the suspension, and an intermediate member between the top surface member and the rear surface member, these members being stacked, the intermediate member having a rigidity lower than that of at least one of the top surface member and the rear surface member, the top surface member having one or more first holes, the rear surface member having one or more second holes, and at least some of the first holes and second holes being dispose so as to overlap across the intermediate member in a direction in which the members are stacked.