TY - PAT CY - Patent A1 - Albrecht, Martin A1 - Buck, Martin A1 - Buxbaum, Bernd A1 - Fensterle, Rolf A1 - Lange, Robert T1 - Object`s distance measurement method, involves providing electrical reference signal to time-of-flight unit, mixing electromagnetic radiation falling on unit with reference signal and detecting delay time between signal and radiation UR - https://depatisnet.dpma.de/DepatisNet/depatisnet?action=bibdat&docid=DE102004037137A1 ER -