Patents - Global Data - Dimensions
Grant
Loudspeaker with a non-uniform suspension and an enforcement element
Applicants
- 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 as some portions will be upwardly directed and other portions downwardly directed.
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