Automatic handset-speakerphone switching arrangement for...

Details Automatic handset-speakerphone switching arrangement for... Automatic handset-speakerphone switching arrangement for...

H - Electricity

04

B

H04B 1/40 (2006.01) H04M 1/60 (2006.01) H04Q 7/32 (2006.01)

Patent

CA 2090167

A personal communicator handset is designed to operate as both a handset and as a speakerphone and to automatically switch between the two modes based on distance between the handset and the user's ear. This distance is determined by an infrared range detection unit built into the handset.

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