Electrostatic loudspeakers
United States Patent 3008013

Inventors:
Nelson, Williamson David Theodo
James, Walker Peter
Publication Date:
11/07/1961
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Assignee:
FERRANTI LTD
Primary Class:
381/182
Other Classes:
381/116, 381/191
International Classes:
H04R19/02; H04R19/00
US Patent References:
1983377Production of sound
2631196Electrostatic loud-speaker
2796467Directional transducer
Foreign References:
GB610297A