Logitech Europe S.a.

Honeywell International Inc.

Yuzheng Lu

Shelly Chen

Chun-Wei Su

Richard Hu

Ku Chieh

Li Ping Wang

Xiang Zhu

Wayne Zhang

Conferencing device

Communications device

Embodiments relate generally to methods and systems for detecting and indicating end-of-service-life in disposable filtration masks. Applicant has proposed incorporating end-of-service-life indicators comprising color changing chemicals into the mask. The indicating chemicals may be incorporated into the nonwoven fabric material of the mask, or may be attached to the nonwoven material of the mask, such as by dipping, spraying, or adhering. The color change of the indicating chemicals may indicate to a user that the use life of the mask has been depleted.

End of service life indicator for disposal mask

Disclosed are techniques pertaining to wireless dongles that can wirelessly transfer multimedia data (e.g., video and/or audio) between two computer devices. The computer devices can include a source (e.g., a laptop or tablet computer) and a sink (e.g., a television set or projector). The techniques improve the usability and flexibility of such dongles, allowing them to operate with a wide variety of devices.

Operating system agnostic wireless multimedia dongle

Growing community of inventors

Shanghai, China

Yuzheng Lu