国家/地区 英国（3） 世界知识产权组织（2）
IPC部 G（3） H（3）
IPC大类 G01（3） H01（2）
IPC小类 G01R（2） H01L（2）
IPC G01R033/07（2）
发明人 BIDDULPH P D（3）
公开年 2022（3）
申请年 2021（2） 
专利权人 PARAGRAF LTD（3）

Audio transducer, such as microphone, for use on spacecraft or on instruments for use on other planets or satellites, comprises first graphene sheet located within magnetic zone, where second graphene sheet has fixed position relative to first graphene sheet.

SCARROW B, LAMBERT A D, BIDDULPH P D

Method for determining magnetic field with graphene Hall effect sensor, involves exposing graphene Hall effect sensor to magnetic field and measuring output voltage from second pair of contacts, and using graphene Hall effect sensor temperature and output voltage to determine magnetic field.

GLASS H F J, BIDDULPH P, BIDDULPH P D

Graphene hall sensor for operation at cryogenic temperatures, comprises substrate, encapsulating layer formed on graphene sheet provided on substrate, dielectric layer or alumina layer provided on graphene sheet, where graphene sheet and dielectric layer share continuous outer edge surface.

LEE L Y, BAINES R, BIDDULPH P D, GLASS H