Title:
Electrostatic loudspeakers
United States Patent 3008014


Inventors:
Williamson, David T. N.
Walker, Peter J.
Application Number:
US68357857A
Publication Date:
11/07/1961
Filing Date:
09/12/1957
Assignee:
FERRANTI LTD
Primary Class:
Other Classes:
381/191
International Classes:
H04R19/02
View Patent Images:
US Patent References:
2864899Transducer1958-12-16
2855467Loud speakers1958-10-07
2796467Directional transducer1957-06-18
2631196Electrostatic loud-speaker1953-03-10
1930518Electrostatic loud speaker1933-10-17
1762981Acoustic device1930-06-10
1631583Capacitatively-actuated loud speaker1927-06-07
1622039Apparatus for and method of reproducing sound1927-03-22
1550381Electrostatic telephone1925-08-18
Foreign References:
GB348573A1931-05-12
GB370248A1932-04-07
GB610297A1948-10-13