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Obituary: Louis W. Parker

Thursday 24 June 1993 18:02 EDT
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Louis W. Parker, inventor, died 21 June, aged 87. Held more than 250 patents on electronic devices, from a meter that allowed moon-walking astronauts to monitor how long their oxygen supply would last, to an electric car. His most successful invention was the Intercarrier Sound System, used in televisions from 1947 to synchronise sound with picture.

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