4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Flame light source

Robert A. Dunbar

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Control device responsive to infrared radiation

Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Patent

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Detector for sensing hot spots and fires in a region

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent

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High temperature resistant flame detector

Radiant energy – Photocells; circuits and apparatus – Flame light source
Patent

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Wet bench flame and droplet detector

Radiant energy – Photocells; circuits and apparatus – Flame light source
Patent

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Profile ID: LFUS-PAI-P-889644

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