4. Optical waveguides
  5. With optical coupler
  6. Switch

Chii-How Chang

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Iris diaphragm actuator, magnetic position sensing structure...

Photography – Camera detail – Diaphragm
Reexamination Certificate

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Magnetic actuator for adjusting an iris diaphragm in an...

Photography – Camera detail – Diaphragm
Reexamination Certificate

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Magnetic actuators

Electrical generator or motor structure – Dynamoelectric – Reciprocating
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Method for eliminating the noise of optical switch

Optical waveguides – With optical coupler – Switch
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Wavelength stabilizing apparatus and control method

Optical waveguides – Integrated optical circuit
Reexamination Certificate

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