08160535 is referenced by 5 patents and cites 321 patents.

An adapter for coupling to a process control transmitter of the type used to monitor a process variable in an industrial process is provided. The adapter includes I/O circuitry configured to couple to a two wire process control loop and to the process control transmitter and communicate on the process control loop. Wireless communication circuitry couples to the two wire process control loop and is configured to transmit an RF signal. Power supply circuitry provides power to the wireless communication circuitry.

Title
RF adapter for field device
Application Number
12/125187
Publication Number
8160535 (B2)
Application Date
May 22, 2008
Publication Date
April 17, 2012
Inventor
David A Broden
Andover
MN, US
Kelly M Orth
Apple Valley
MN, US
Brian L Westfield
Victoria
MN, US
Robert J Karschnia
Chaska
MN, US
John A Kielb
Eden Prairie
MN, US
Agent
Westman Champlin & Kelly P A
Assignee
Rosemount
MN, US
IPC
G05F 1/00
G08B 23/00
H04B 1/16
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