国家/地区 美国（7） 世界知识产权组织（7） 欧洲专利局（EPO）（6） 中国（5）
IPC部 H（7） G（4） C（2）
IPC大类 H01（5） G01（3） H03（3）
H04（3）
IPC小类 H01L（4） G01J（2） H03H（2）
IPC G01J001/04（2） G01J001/42（2） G01J003/51（2）
H01L027/146（2）
发明人 VOUTILAINEN M（7）
公开年 2016（3） 2012（2）
申请年 2015（3） 
专利权人 NOKIA TECHNOLOGIES OY（7）

Apparatus e.g. electronic device, has reduced graphene oxide layers for collecting electrical charge induced in reduced graphene oxide layers by vibration of piezoelectric diaphragm in response to sound input wave in sound input mode.

VOUTILAINEN M K, KONONENKO O, VOUTILAINEN M

Apparatus for detecting carbon monoxide, has graphene-based sensor which is configured to detect carbon dioxide produced by oxidation cell.

VOUTILAINEN M

Apparatus for reading out quantum dot-graphene FET based imaging sensors for X-ray imaging application, has FET biased to back gate through output connector element connected to back gate such that holes are trapped in quantum dot.

VOUTILAINEN M, KALLIOINEN S

Detector structure apparatus for electromagnetic radiation sensing, has two electromagnetic radiation sensor cells which have graphene as electromagnetic radiation absorbing material, electrical connections which are made of graphene.

VOUTILAINEN M, ROUVALA M

Apparatus for tuning resonance frequency of micromechanical of resonator used in e.g. mobile telephone, has graphene foil that is provided with piezoelectric properties and is adapted to convert electric field produced by signal.

VOUTILAINEN M

Photon sensing apparatus e.g. charge coupled device image sensor, for use in e.g. digital storage camera, has integrated graphene field effect transistor that is functioned as pre-amplifier for photodetecting structure.

VOUTILAINEN M, ROUVALA M, PASANEN P, PASANE P

Apparatus e.g. direct current voltage regulator, for use in mobile device i.e. personal digital assistant, that is utilized to provide e.g. gaming function, has graphene capacitors to provide for smoothing of signaling provided to output.

VOUTILAINEN M K, PASANEN P M, PASANEN P, VOUTILAINEN M