Older Than deck / Inventions and everyday things
Frequency hopping
Patented by Lamarr and Antheil
1942
Hedy Lamarr and George Antheil’s idea for jumping between radio channels.
Sources and checks
Checked 2026-11-01: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify, or content-verify-pdf for PDFs); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source; for dates the quote is the year as printed, read in context.
“1942”National Inventors Hall of Fame: source, retrieved 2026-10-27; quote re-found by the server check
“1942”U.S. Patent Office — original patent reproduced by Google Patents: source, retrieved 2026-10-27; quote re-found by the server check
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