DECT System With Two or More Diverse Antennas for a Respiratory Protection Mask
Assignees3M Innovative Properties Company, Rtx A/S
InventorsDarin K. Thompson, Graham Wilson, Gareth D. Evans, Klaus A. Pedersen
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Abstract
An apparatus for digital enhanced cordless telecommunications (DECT) on a respiratory protection mask having two or more diverse antennas is disclosed. According to one aspect, a communication module in a respiratory protection mask is configured to send and receive radio signals. The communication module includes a first antenna within the communication module and a second antenna within the communication module, the second antenna being separated from the first antenna to achieve antenna spatial diversity.
Claims21
A communication module for a respiratory protection mask, the communication module configured to send and receive radio signals, the communication module comprising:
- a housing having at least partially enclosed therein:
- a first antenna;
- and
- a second antenna separated from the first antenna to achieve antenna spatial diversity.
A respiratory protection mask, comprising:
- a facepiece to cover a face of a wearer of the respiratory protection mask;
- an audio communication module removably attachable to a side of the respiratory protection mask, the audio communication module having a housing configured to at least partially enclose two spatially separated antennas to achieve antenna spatial diversity.
(canceled)
Dependencies are inferred from the claim text.