02.02.24
Brian Schiffer, San Francisco, CA.
Assigned to Verily Life Sciences LLC, South San Francisco, CA.
Filed: 6/17/22
Issued: 12/26/23
A method comprising: causing, at a first time, a first light source to transmit light that includes a first peak wavelength that corresponds to a first excitation wavelength of a substance, the substance comprising multiple excitation wavelengths; obtaining a first measurement of light intensity within a first range of emission wavelengths of the substance; causing, at a second time, a second light source to transmit light that includes a second peak wavelength that corresponds to a second excitation wavelength of the substance; obtaining a second measurement of light intensity within a second range of emission wavelengths; and responsive to comparing a ratio of the first measurement of light intensity and the second measurement of light intensity against a threshold, identifying a presence of the substance.
Assigned to Verily Life Sciences LLC, South San Francisco, CA.
Filed: 6/17/22
Issued: 12/26/23
A method comprising: causing, at a first time, a first light source to transmit light that includes a first peak wavelength that corresponds to a first excitation wavelength of a substance, the substance comprising multiple excitation wavelengths; obtaining a first measurement of light intensity within a first range of emission wavelengths of the substance; causing, at a second time, a second light source to transmit light that includes a second peak wavelength that corresponds to a second excitation wavelength of the substance; obtaining a second measurement of light intensity within a second range of emission wavelengths; and responsive to comparing a ratio of the first measurement of light intensity and the second measurement of light intensity against a threshold, identifying a presence of the substance.