公开(公告)号：US20220263668A1

公开(公告)日：2022-08-18

申请号：US17609903

申请日：2020-05-08

申请人： AALTO UNIVERSITY FOUNDATION SR

发明人： Juuso AUTIOSALO ,  Petri KUOSMANEN ,  Tuukka MUSTAPÄÄ ,  Pekka NIKANDER

IPC分类号： H04L9/32 ,  H04L9/08

摘要： The invention enables the certification of a measurement result of a measuring device. A measuring device arranged in connection with a data security module according to the invention takes under processing a measurement result produced using a measuring instrument of the measuring device (501). The measuring device associates a digital calibration certificate associated with a public key corresponding to a secret key stored in a key storage with the measurement result taken under processing (502). The measuring device digitally signs the associated measurement result using a signing function of the data security module and the secret key stored in the key storage (503).

公开(公告)号：US20220152711A1

公开(公告)日：2022-05-19

申请号：US17606142

申请日：2020-04-24

申请人： Aalto University Foundation sr

发明人： Petri KUOSMANEN ,  Raine VIITALA ,  Valtteri VAINIO

IPC分类号： B23B31/36

摘要： Fastening an object onto a lathe, such that the location of the centre of rotation of the object may be adjusted relative to the centre of the lathe axis, wherein the centre of rotation of the object relative to the centre of the lathe may be displaced steplessly and biaxially, according to a predetermined calculation, without removing the object from the chuck.