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US4639717A
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Method and apparatus for monitoring flame condition
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Microcomputer driven fail-safe device with short circuit detection for electronic control circuitry
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Fail-safe device for electronic control circuit
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Self-checking flame failure control
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CA1119694A
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Burner control apparatus
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Burner control system
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BE884914A
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System condition indicator.
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FR2488979A1
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Monitoring condition of burner system - uses control system which indicates which of several detectors has operated first
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DE3030857A1
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Monitoring condition of burner system - uses control system which indicates which of several detectors has operated first
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GB2082360A
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System condition indicator for burner control system
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CA1143814A
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System condition indicator
|
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CA1137193A
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Burner control system
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GB2053448A
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Burner flame detection
|
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US4482312A
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Burner control system
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System condition indicator
|
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Interface circuit for use with electronic control devices
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|
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Burner control system
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|
US4249884A
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Burner control apparatus with stabilized pilot flame timing interval
|
|
US4137035A
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Burner control apparatus
|
|
US4110608A
|
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Two-terminal photodetectors with inherent AC amplification properties
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