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

Francois Lalonde

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Alarm system and method for detecting proximity of an object to

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Apparatus for the dynamic and non-contact measurement of small d

Communications: electrical – Continuously variable indicating – With particular transmitter
Patent

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Current surge indicator

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – For fault location
Patent

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Electronic lighting device

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch in the primary circuit of the supply...
Patent

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Electronic low-pass filter circuit with an adjustable long time

Oscillators – Automatic frequency stabilization using a phase or frequency... – Afc with logic elements
Patent

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Profile ID: LFUS-PAI-P-940687

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