Weitbrecht, Robert H., 1920-1983.
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Weitbrecht, Robert H., 1920-1983.
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Weitbrecht, Robert H., 1920-1983.
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Robert H. Weitbrecht, born deaf in 1920, was a physicist, astronomer, electronic design engineer, and licensed ham radio operator best known for his invention of TTY, also known as the teletypewriter, TDD, or Telecommunication Device for the Deaf.
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Assistive listening systems
Astronomers
Deaf
Electronics
Hearing impaired
Physicists
Radioteletype
Self-help devices for people with disabilities
Telecommunications devices for the deaf
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United States
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California
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