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.

Date of Patent:
Jan. 13, 2026

Filed:

May. 17, 2022
Applicant:

Paragraf Limited, Somersham, GB;

Inventors:

Phillip David Biddulph, Somersham, GB;

Alexander David Lambert, Somersham, GB;

Benjamin Scarrow, Somersham, GB;

Assignee:

PARAGRAF LIMITED, Somersham, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/06 (2006.01); H04R 9/04 (2006.01); H04R 9/08 (2006.01); H04R 23/00 (2006.01);
U.S. Cl.
CPC ...
H04R 9/046 (2013.01); H04R 9/06 (2013.01); H04R 9/08 (2013.01); H04R 23/002 (2013.01); H04R 23/008 (2013.01);
Abstract

A transducer comprising a primary element comprising a magnet configured to provide a magnetic field within a magnetic zone, the magnetic field extending in a magnetic field direction; a secondary element comprising a first graphene sheet located within the magnetic zone; a static portion; and a rotating portion configured to rotate about an axis of rotation relative to the static portion. The rotating portion comprises a first one of a set comprising the primary element and the secondary element; and wherein the static portion comprises a second one of the set; and wherein an axis of rotation of the rotating portion is such that: in a first position of the static portion relative to the rotating portion, the first graphene sheet lies in a first plane that is parallel to the magnetic field direction; and in a second position of the static portion relative to the rotating portion, the first graphene sheet lies in an offset plane that is at an angle to the first plane about the axis of rotation. On deployment of the transducer in a first mode, movement of the rotating portion relative to the static portion causes an electrical potential to be generated in the first graphene sheet thereby converting rotational kinetic energy into electrical potential; and/or on deployment of the transducer in a second mode, electrical potential in the first graphene sheet causes rotation of the rotating portion relative to the static portion thereby converting electrical potential into rotational kinetic energy.


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Biddulph, Phillip. (2026). Graphene transducer (U.S. Patent No. 12526579). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12526579

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