4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Photocell controls its own optical systems

Gunnar Jespersen

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Note skew detector

Optics: measuring and testing – Position or displacement
Reexamination Certificate

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Optical sensor and method of operation thereof

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate

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Sensing system for ascertaining currency content of ATM

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
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Sensing system for detecting whether one bill, or more than...

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2941400

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