File:US3267931-Puharich-Electrically-Stimulated-Hearing-Signal-Feedback.pdf: Revision history

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1 June 2026

  • curprev 04:0404:04, 1 June 2026 Geckopico talk contribs 485 bytes +485 Upload the full PDF of US Patent 3,267,931 – 'Electrically Stimulated Hearing with Signal Feedback', invented by Henry K. Puharich and Joseph L. Lawrence, patented August 23, 1966. Caption: 'US Patent 3,267,931 – Electrically Stimulated Hearing with Signal Feedback (Puharich & Lawrence, 1966). Documents a closed-loop audio-modulated electrical stimulation system targeting the facial nerve system of human subjects, with radio-frequency feedback coupling. Filed January 9, 1963.'