4. Communications: electrical
  5. Condition responsive indicating system
  6. Specific condition

Masami Yamakawa

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Detecting apparatus with resinous body

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

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Light transmitting lens for use with a photoelectric sensor

Optical: systems and elements – Lens – With support
Patent

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Photoelectric sensor

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

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Photoelectric sensor employing custom lens member

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

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Photoelectric sensor having a folded light path

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

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Profile ID: LFUS-PAI-P-341770

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