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. 10, 2019
Filed:
Mar. 22, 2018
Ask Industries Societa' Per Azioni, Monte San Vito (AN), IT;
ASK INDUSTRIES SOCIETA' PER AZIONI, Monte San Vito (AN), IT;
Abstract
A loudspeaker with vibration control system includes: a magnetic assembly with an air gap, a voice coil supported by a cylindrical support, a basket connected to the magnetic assembly, a centering device connected to the basket and to the cylindrical support, a membrane connected to the basket and to the cylindrical support, an external cylinder disposed around the magnetic assembly, at least one control coil supported by the external cylinder and directed towards the magnetic assembly, at least one elastic suspension connected to the external cylinder to permit an axial movement of the external cylinder with respect to the magnetic assembly.