Patent ID: 11899097
Assignee: KABUSHIKI KAISHA TOSHIBA
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 4:
5. The distance measurement device according to claim 2, wherein the calculation unit calculates the distance based on two or more pieces of the first phase information and one or more pieces of the second phase information obtained through a distance measurement sequence in which
the first transmitter-receiver transmits the first distance measurement signal, and the second transmitter-receiver receives the first distance measurement signal,
the second transmitter-receiver transmits the second distance measurement signal, and the first transmitter-receiver receives the second distance measurement signal, and
the first transmitter-receiver sets a phase of the received second distance measurement signal as a phase at transmission start and transmits the first distance measurement signal, and the second transmitter-receiver receives the first distance measurement signal.