The EEG-spectrograph

article
An apparatus is described providing for continuous display of 20 frequencies with a time resolving power of one second approximately. The spectrogram is directly visible on a cathode ray tube and is photographically recorded with another cathode ray tube. Spectrograms of various test signals are shown. © 1958.
TNO Identifier
226677
DOI
https://dx.doi.org/10.1016/0013-4694(58)90017-8.
ISSN
00134694
Source
Electroencephalography and Clinical Neurophysiology, 10(3), pp. 555-559.
Pages
555-559