Systems, devices and methods for disinfecting objects or surfaces in a scene

A system for disinfecting one or more objects or surfaces in a scene, the system comprising:

• a sensing subsystem, the sensing subsystem comprising:
• at least one sensor configured and enabled to identify at least one user approaching the one or more objects or surfaces or the scene;
• at least one device for measuring a distance of said at least one user or said one or more objects or surfaces from the system;
• at least one timer for measuring the time said at least user or said one or more objects are in the scene or touching the one or more objects or surfaces;
• a treatment subsystem, said treatment subsystem comprising:
• one or more containers comprising cleaning or disinfecting agents or materials;
• at least one pump connected via one or more pipes to the one or more containers said at least one pump is configured and enabled to pump said cleaning or disinfecting agents or materials to one or more spraying devices, wherein said one or more spraying devices comprising one or more nozzles for spraying the one or more objects on the scene or on the one or more objects or surfaces in the scene;
• a processing subsystem comprising at east one processor, said at least one processor is configured to:
• receive said identification of the at least one user approaching the one or more objects or surfaces or the scene;
• activate the one or more spraying devices before or after the identified one or more users touch the one or more objects or surfaces or approach or leave the scene based on the measured time or identification or location or measured distance of the one or more users from the system.