Patent ID: 11898952
Assignee: SONY GROUP CORPORATION
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 16:
17. A microparticle measuring method, comprising:
in a microparticle measuring apparatus that includes a plurality of light detectors, a liquid sample reservoir connected to a liquid sample flow channel, a liquid sheath reservoir connected to a liquid sheath flow channel, a sorted liquid reservoir connected to a sorting flow channel, and a waste liquid reservoir connected to a discarding flow channel:
detecting, by the plurality of light detectors, at different positions, optical information emitted from microparticles flowing through a flow channel, wherein
the liquid sample flow channel, the liquid sheath flow channel, the sorting flow channel, and the discarding flow channel are connected to the flow channel,
the liquid sample reservoir is configured to store a liquid sample that includes the microparticles,
the plurality of light detectors includes:
a first light detector that includes a first plurality of channels, and
a second light detector that includes a second plurality of channels, the first light detector including the first plurality of channels is at a first position on the flow channel, and
the second light detector including the second plurality of channels is at a second position on the flow channel different from the first position; and
controlling a detection timing of each light detector of the plurality of light detectors based on:
a trigger signal detected at a first reference channel of the first plurality of channels of the first light detector, and
an optical signal detected at a second reference channel of the second plurality of channels of the second light detector;
setting a light detection process period of the first reference channel of the first plurality of channels of the first light detector based on a time period in which the trigger signal detected at the first reference channel exceeds a threshold value;
adding a first time period and a second time period to the set light detection process period, wherein
the first time period is added prior to the set light detection process period, and
the second time period is added subsequent to the set light detection process period; and
controlling a detection process period of the second light detector based on the set light detection process period of the first reference channel that includes the first time period and the second time period.