公开(公告)号：US20220179224A1

公开(公告)日：2022-06-09

申请号：US17430632

申请日：2019-11-14

Applicant: LABROX OY

Inventor： Pauli SALMELAINEN

IPC: G02B27/09 ,  G01N21/64

Abstract: A reader device for detecting a test result from a testing element carrying a sample includes a radiation source for emitting electromagnetic radiation, an optical system for directing the electromagnetic radiation to the testing element, and a detector for receiving electromagnetic radiation from the testing element and for producing a detection signal responsive to the received electromagnetic radiation. The optical system includes a guide rod for conducting electromagnetic radiation and a lens system for focusing the electromagnetic radiation coming out via an egress-end surface of the guide rod to the testing element. The egress end-surface of the guide rod has an elongated shape so that a radiation pattern having an elongated shape is produced on the testing element. The elongated shape of the radiation pattern facilitates scanning the testing element with the electromagnetic radiation.