4. Electrical transmission or interconnection systems
  5. Switching systems
  6. Condition responsive

Aksel Jespersen

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Apparatus for adjusting and indicating the operating curve of a

Electrical resistors – Mechanically variable – Mathematical function
Patent

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Method and apparatus for prescribing a time of day

Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent

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Programmable time switch

Electricity: motive power systems – Automatic and/or with time-delay means – Time or with time-delay means
Patent

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Time switch with adjustable program

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
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Profile ID: LFUS-PAI-P-694157

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