Patent ID: 11913869
Assignee: PARTICLES PLUS, INC.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A personal particle counter apparatus, comprising:
battery in a device housing, the device housing having a form factor enabling the device housing to be worn during operation by a user wherein the battery is connectable to a battery charger;
an air intake and outlet fluidly connected to a chamber in the device housing wherein an airstream passes through the chamber;
a light source that emits a beam of light that passes through the airstream passing through the chamber;
a light detector that detects light that passes through the airstream in the chamber, the light detector configured to detect airborne particles passing through the beam of light in the airstream traversing from the air intake to the outlet;
an analog circuit connected to the light detector, the analog circuit including at least one low gain amplifier and at least one high gain amplifier that are each in communication with the light detector, the at least one low gain amplifier and the at least one high gain amplifier that are configured to amplify signals for different particle size channels that convert signals from the light detector into amplified electrical pulses;
a microcontroller configured to count particles from the user's local environment that are detected passing through the chamber wherein the microcontroller processes the different particle size channels to generate particle count data for each particle size channel;
an integrated display on the device housing configured to display real-time information related to the particle count data; and
a power management circuit connected to the power source that regulates power to the light source, the light detector, the microcontroller and the display.