Application

A LOUDSPEAKER WITH A NON-UNIFORM SUSPENSION AND AN ENFORCEMENT ELEMENT

Patent Number EP-3723387-A1

Publication Year 2020

Application Year 2019

Priority Year 2019

Jurisdiction EP

Status Withdrawn

Inventors

PUTZEYS BRUNO JOHAN GEORGES RISBO LARS TINGGAARD CARSTEN

Applicants

  1. Purifi ApS

Abstract

A loudspeaker with a non-uniform surround, a membrane and a stiffening element preventing the surround from flexing the membrane during operation. A non-uniform surround does not have the same cross section, along the radius of the speaker if circular, all around the perimeter of the membrane.

Patent Family Records (6)

Loudspeaker with a non-uniform suspension and an enforcement element  

Purifi ApS PUTZEYS BRUNO, RISBO LARS, TINGGAARD CARSTEN

2024, US-12003935-B2

LOUDSPEAKER WITH A NON-UNIFORM SUSPENSION AND AN ENFORCEMENT ELEMENT  

Purifi ApS PUTZEYS BRUNO, RISBO LARS, TINGGAARD CARSTEN

2022, US-20220167089-A1

A LOUDSPEAKER WITH A NON-UNIFORM SUSPENSION AND AN REINFORCEMENT ELEMENT  

Purifi ApS TINGGAARD CARSTEN

2022, EP-3954134-A1

Loudspeaker with non-uniform suspension and stiffening element  

Polyfi Ltd PUTZEYS BRUNO, RISBO LARS, TINGGAARD CARSTEN

2021, CN-113841424-A

A LOUDSPEAKER WITH A NON-UNIFORM SUSPENSION AND AN REINFORCEMENT ELEMENT  

PURIFI APS PUTZEYS BRUNO, RISBO LARS, TINGGAARD CARSTEN

2020, WO-2020208070-A1

A LOUDSPEAKER WITH A NON-UNIFORM SUSPENSION AND AN ENFORCEMENT ELEMENT

Purifi ApS PUTZEYS BRUNO JOHAN GEORGES, RISBO LARS, TINGGAARD CARSTEN

2020, EP-3723387-A1

Data Provider: Digital Science