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GB740970A
|
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Electronic cameras for recording electron images
|
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DE1024352B
|
|
Process and device for the production of a film sensitive to electron beams
|
|
GB739809A
|
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Improvements in or relating to the recording and reproduction of sound and other signals
|
|
GB715485A
|
|
Method of and apparatus for recording pictures using cathode rays
|
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GB738570A
|
|
Improvements in or relating to apparatus for rendering visible magnetic and electric field patterns
|
|
GB738634A
|
|
Improvements in or relating to the recording of images in the form of magnetic fieldpatterns
|
|
GB751843A
|
|
Improvements in or relating to magnetic record carriers
|
|
GB751844A
|
|
Improvements in or relating to magnetic record carriers
|
|
GB729546A
|
|
Method and apparatus for optically projecting electron images
|
|
DE1005840B
|
|
Film sensitive to electron beams
|
|
DE832403C
|
|
Die for photo typesetting
|
|
DE910481C
|
|
Method and device for reproducing magnetograms
|
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US2396563A
|
|
Speaking machine
|
|
US2342464A
|
|
Copying sound events taken in amplitude records
|
|
DE904356C
|
|
Recording or playback device for endless needle-point films
|
|
US2338421A
|
|
Apparatus for unwinding and winding up endless films
|
|
US2297398A
|
|
Method of receiving and reproducing fast oscillations
|
|
GB366045A
|
|
Improvements in or relating to picture radio apparatus
|
|
GB347251A
|
|
Method of and apparatus for universal splitting up and assembling of pictures for electrical picture transmission, television and similar purposes
|
|
DE395464C
|
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Device for the noiseless control of valves on internal combustion engines
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