Koninklijke Philips Corporation N.v.

Huibin Wei

Declan Patrick Kelly

Rainer Hilbig

Jun Shi

Zhongchi Luo

Mirela Alina Weffers-Albu

Jing Su

Rui Ke

Ruben Arnold Herman Reekers

Rita Priori

John Robert Mcgarva

Disclosed is an air purification system () comprising an air purifier apparatus () for removing a pollutant from air, a sensor () for sensing a concentration of the air pollutant and a scent release apparatus () responsive to a scent release signal, wherein the air purification system further comprises a processor () adapted to monitor the pollutant concentration from sensor data received from the sensor and to generate the scent release signal upon the monitored pollutant concentration falling below a defined threshold. Also disclosed is a method of generating a scented atmosphere in a room housing an air purification apparatus () for removing a pollutant from the air in the room.

Air purifier and atmosphere scenting

A sleep monitoring system () for monitoring the sleep of a subject is disclosed. The system comprises a COsensor () and a processor () communicatively coupled to the COsensor, wherein the processor is adapted to monitor a COconcentration from sensor data produced by the COsensor; and derive sleep pattern information from the monitored COconcentration, wherein the sleep pattern information comprises at least an indication that the subject is awake and an indication that the subject is asleep. A sleep monitoring method and computer program product are also disclosed.

Sleep monitoring

Growing community of inventors

Eindhoven, Netherlands

Huibin Wei