Patent ID: 11874286
Assignee: HOUND LABS, INC.
Field: Measurement (Instruments)
Classification: CPC G  A  B | IPC A  B  G

Claim 0:
1. A tetrahydrocannabinol (THC) detection system comprising:
a plurality of components, the plurality of components including;
one or more chambers to elute and retain a breath constituent sample;
one or more indicator chambers containing an indicator;
a buffer reservoir containing a basic buffer;
a THC reservoir containing a non-zero amount of THC;
one or more optical measurement chambers and one or more optical measurement sensors configured to obtain optical measurements from substances in the one or more optical measurement chambers;
a plurality of valves that are configured to fluidly connect the plurality of components; and
a controller configured to control the plurality of components connected by the plurality of valves to:
(i) combine at least a first portion of the basic buffer with the breath constituent sample to form a sample buffer mixture;
(ii) combine at least a first portion of the indicator with sample buffer mixture to cause a first sample composition to be formed with any THC that is present in the breath constituent sample;
(iii) deliver a first sample composition mixture that includes the first sample composition and the basic buffer to the optical measurement chamber;
(iv) combine at least a second portion of indicator with a first amount of THC in the THC reservoir and the basic buffer to form a second sample composition mixture that includes a second sample composition formed by the indicator and the first amount of THC in the THC reservoir; and
(v) deliver the second sample composition to the one or more optical measurement chambers.