Field device configured for wireless data communication

Details Field device configured for wireless data communication Field device configured for wireless data communication

2007-06-19

2007-06-19

Chan, Jason (Department: 2613)

Optical communications

Optical communication over freee space

Transceivers

C398S120000, C455S127100, C340S539100

Reexamination Certificate

active

09983890

ABSTRACT:
Field devices comprising a transmitter and/or receiver for wireless data communication are provided. It is proposed to evaluate the energy available for wireless data communication in data transmitting or data receiving field devices prior to activation of the transmitter and/or receiver of the field device.

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patent: WO93/22713 (1993-11-01), None
patent: WO96/12993 (1996-05-01), None
patent: WO98/20408 (1998-05-01), None

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