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Fail safe gas furnace optical flame sensor using a transconducta

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

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Fail-safe monitoring system

Radiant energy – Photocells; circuits and apparatus – Flame light source
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Fiber optic solid/hybrid rocket motor grain regression rate sens

Radiant energy – Photocells; circuits and apparatus – Flame light source
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Fire sensor device

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

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Fire sensor system utilizing optical fibers for remote sensing

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

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Flame detecting arrangement for detecting a flame through horizo

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

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Flame detector

Radiant energy – Photocells; circuits and apparatus – Flame light source
Reexamination Certificate

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Flame detector

Radiant energy – Photocells; circuits and apparatus – Flame light source
Reexamination Certificate

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Flame detector

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

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Flame detector

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

Radiant energy – Photocells; circuits and apparatus – Flame light source
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Flame detector for detecting phase difference in two different w

Radiant energy – Photocells; circuits and apparatus – Flame light source
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Flame detector for use with a burner

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

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Flame detector including detector testing apparatus

Radiant energy – Photocells; circuits and apparatus – Flame light source
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Flame detector self diagnostic system employing a modulated opti

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

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

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Flame monitoring apparatus

Radiant energy – Photocells; circuits and apparatus – Flame light source
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Flame monitoring apparatus and method

Radiant energy – Photocells; circuits and apparatus – Flame light source
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Flame monitoring apparatus and method having a second signal pro

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

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Flame monitoring system

Radiant energy – Photocells; circuits and apparatus – Flame light source
Reexamination Certificate

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