Transmission technique in system including chamber

Details Transmission technique in system including chamber Transmission technique in system including chamber

2004-11-01

2010-10-05

Li, Shi K (Department: 2613)

Optical communications

Remote control

In industrial environment or hazardous environmrnt

C398S079000

Reexamination Certificate

active

07809273

ABSTRACT:
A system is provided including a chamber having an internal environment different from an external environment. The chamber includes a transmission line, disposed through a partition wall of the chamber, for transmitting an electromagnetic wave therethrough. A plurality of generators, disposed outside the chamber, are included for generating electromagnetic waves for measurement, and a first multiplex/demultiplex unit is disposed outside the chamber for multiplexing a plurality of electromagnetic waves from the plurality of generators and sending a multiplexed electromagnetic wave to the transmission line and demultiplexing a multiplexed electromagnetic wave received from the transmission line. A second multiplex/demultiplex unit is disposed inside the chamber for multiplexing a plurality of electromagnetic waves and sending a multiplexed electromagnetic wave to the transmission line and demultiplexing a multiplexed electromagnetic wave received from the transmission line. A plurality of measurement units are disposed inside the chamber for directing electromagnetic waves received from the second multiplex/demultiplex unit to to-be-measured regions and sending electromagnetic waves from the to-be-measured regions to the second multiplex/demultiplex unit.

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