4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Hagai Sigalov

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Attachment for a light unit having a light detector and...

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate

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Pre-fabricated stage incorporating light-actuated triggering...

Electric lamp and discharge devices: systems – With automatic shunt and/or cutout – Combined with signal – indicator – or alarm
Reexamination Certificate

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Transmissive and reflective optical control of sound, light and

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Profile ID: LFUS-PAI-P-425122

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