User:Barkercoder/sandbox: Difference between revisions

Revision as of 08:53, 28 April 2025

Revision as of 08:58, 28 April 2025

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PCM

Barker contributed specifically to practical PCM encoding techniques, reflected in his patents on electrical pulse-code modulation. Barker, Ronald H. ‘‘Electrical Pulse Code Modulation’’. UK patent GB662338A. Filed January 8, 1951. Published December 5, 1951. [https://worldwide.espacenet.com/patent/search/family/024884276/publication/GB662338A Available online].Barker, Ronald H. ‘‘Electrical Pulse Code Modulation’’. US patent US2730676A. Filed January 8, 1951. Issued January 10, 1956. [https://patents.google.com/patent/US2730676A/en Available online]. His later work also included developments in PCM encoder design for radar and telemetry systems.Barker, Ronald H. ‘‘Pulse Code Modulation Encoder’’. US patent US3721318A. Filed November 17, 1971. Issued March 20, 1973. [https://patents.google.com/patent/US3721318A/en Available online].

PCM

His work on electrical pulse-code modulation systems <ref>{{cite patent| country=US|number=US2730676A|title= Electrical Pulse Code Modulation| url=<https://worldwide.espacenet.com/publicationDetails/originalDocument?FT=D&date=19530520&DB=&locale=en_EP&CC=GB&NR=691810A&KC=A&ND=4#|application-date=1951}}/ref> and digital transmission methods also contributed to early experiments in encrypted radar signals and the foundations of modern air traffic control systems.

1952 Group Synchronising of Binary Digital Systems

1948 Improvements in or relating to Apparatus for data in Binary Digital Form <ref>{{cite patent|country=US|number=US2730676A|title=Improvements in or relating to apparatus for the representation of data in a binary digital form |url=https://worldwide.espacenet.com/patent/search/family/010175782/publication/GB650913A?q=pn%3DGB650913A |publisher=European Patents Office |access-date=January 24, 2024 |ref=GB650913A |date=1951}}</ref>