4. Pulse or digital communications
  5. Pulse position, frequency, or spacing modulation

John Leonard Walley

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Method and apparatus for sending signals over an electric fence

Communications: electrical – Systems – Selsyn type
Patent

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Method of electronic control

Pulse or digital communications – Pulse position – frequency – or spacing modulation
Patent

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Safety operation of an electric fence at its junction points

Electrical transmission or interconnection systems – Wave form or wave shape determinative or pulse-producing...
Patent

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Profile ID: LFUS-PAI-P-909838

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