Title:
Electrostatic transducers
United States Patent 2755796
US Patent References:
Wave detector
- - 1584613
Microphone
- - 1975801
Apparatus for and method of measuring or indicating limb or digital volume changes resulting from arterial pulsations
- - 2452799
Diaphragm for electrostatic loud-speakers
- - 2615994
Wave detector
- - 1584613
Microphone
- - 1975801
Apparatus for and method of measuring or indicating limb or digital volume changes resulting from arterial pulsations
- - 2452799
Diaphragm for electrostatic loud-speakers
- - 2615994
Inventors:
Heinz, Boucke
Publication Date:
07/24/1956
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Export Citation:
Assignee:
RADIO PATENTS COMPANY
Primary Class:
Other Classes:
367/149, 340/407.100, 310/334, 361/283.100, 73/724
International Classes:
A61B7/04; H04R19/00; H04R19/06; A61B7/00