Patent ID: 11941927
Assignee: nan
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 21:
22. A method for displaying a value, said method comprising:
(a) providing a housing comprising:
(i) one or more sensors comprising an ultrasonic sensor for detecting an ultrasonic signal corresponding with one or more objects entering a space or exiting said space, thereby producing location data for said one or more objects;
(ii) one or more microcontrollers that (1) receives said location data from said ultrasonic sensor, and (2) calculates said value, based, at least in part, on said location data received in (1) from said ultrasonic sensor; and
(iii) a display disposed on a surface of said housing that displays said value; and

(b) transmitting, by said one or more microcontrollers, said value to a server, wherein said server transmits said value to one or more electronic devices in wireless communication with said server
wherein said value is calculated in (2) by a method comprising:
counting a number of said one or more objects in said space based on said location data received in (ii)(1); and
subtracting said number of said one or more objects in said space from a predetermined threshold value, wherein said predetermined threshold value is a maximum occupancy for said space, and wherein said value comprises a number of said one or more objects permitted to enter said space.