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PatentBrief

Inventor

Reeves Alec Harley

Patents indexed

1

Year range

1941

Associated with

Years active

1941

Total patents

1

Most recent

1941

Domains

telecommunicationssemiconductors

Activity by decade

1940s
1

Patents

1

Career timeline

1 patents, in 1941

Dot size = forward citations

19411942

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US 2266401·1941·International Standard Electric Corp

How Pulse Code Modulation Digitizes Analog Signals

A foundational 1938 patent describing how to convert continuous sound waves into a stream of digital numbers for transmission.

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