Optical waveguides – With optical coupler
Reexamination Certificate
2008-03-11
2008-03-11
Pak, Sung (Department: 2874)
Optical waveguides
With optical coupler
C385S012000
Reexamination Certificate
active
11333432
ABSTRACT:
A safety light curtain comprises a light emitter and a first micro-machined electromechanical system (MEMS), wherein the first MEMS receives light emitted by the emitter and sequentially reflects the received light to a first plurality of light wave guides. A detector receives an optical signal relating to light from at least one of the first plurality of light wave guides, the optical signal received by the detector employed to control operation of a machine associated with the safety light curtain.
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Dogul James E.
Manjunath Hassan R.
Amin Turocy & Calvin LLP
Pak Sung
Rockwell Automation Technologies Inc.
Smith Chad H.
Walbrun William R.
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