SENSING SYSTEM
A sensing device comprising: a light detection and ranging (LiDAR) sensor; and one or more optical spectroscopic sensors configured to extract biomarker information from one or more optical measurements of a user.
1 . A sensing device comprising:
a light detection and ranging (LiDAR) sensor; and
an optical spectroscopic sensor configured to extract biomarker information from one or more optical measurements of a user.
2 . The sensing device of claim 1 , wherein the LIDAR sensor is a highly accurate frequency modulated continuous wave (FMCW) scanning LIDAR.
3 . The sensing device of claim 1 wherein the optical spectroscopic sensor comprises one or more lasers.
4 . The sensing device of claim 3 , wherein the optical spectroscopic sensor comprises:
a silicon or silicon nitride transmitter photonic integrated circuit (PIC), the transmitter PIC comprising:
a plurality of lasers, each laser of the plurality of lasers operating at a wavelength that is different from the wavelength of the others;
an optical manipulation region, the optical manipulation region comprising one or more of: an optical modulator, optical multiplexer (MUX); and additional optical manipulation elements; and
one or more optical outputs for light originating from the plurality of lasers.
5 . The sensing device of claim 1 , further comprising a passive image sensor.
6 . The sensing device of claim 5 , wherein the passive image sensor is configured to obtain an image of a face of a user.
7 . The sensing device of claim 6 , further configured to:
locate the eyes of the user within the image of the face of the user; and
configure a scan by the LiDAR sensor which avoids the location of the user's eyes.
8 . The sensing device of claim 6 , wherein an image taken by the passive image sensor is used to identify a user.
9 . The sensing device of claim 8 , wherein the biomarker information extracted from one or more optical measurements of a user is a signed to a user profile that matches the identity of the user that is assigned based on the image taken by the passive image sensor.
10 . The sensing device of claim 5 , further configured to identify areas that correspond to exposed skin.
11 . The sensing device of claim 5 , wherein the passive image sensor is an IR sensor.
12 . The sensing device of claim 5 , configured to carry out an optical spectroscopic scan concurrently with a scan by the passive image sensor.
13 . The sensing device of claim 5 , wherein the passive image sensor is configured to carry out:
a first scan that sweeps over a first area with a first resolution; and
a second scan that sweeps over a second area with a second resolution;
wherein the first area is larger than the second area, and wherein the first resolution is lower than the second resolution.
14 . The sensing device of claim 1 , wherein the biomarker information from one or more optical measurements of the user comprises one or more of:
body temperature, heart rate, blood pressure, blood sugar, and/or hydration.
15 . A wearable device comprising the sensing device of claim 1 .
16 . The wearable device of claim 15 , wherein the sensing device is located on a watch strap.
17 . The wearable device of claim 15 , wherein the sensing device is located on a wearable band.