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GB386994A
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Improvements in or relating to automatic time indicating apparatus
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US1851748A
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Method and apparatus for coding and decoding
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US1781944A
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Device for recording documents transmitted by radio
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US1807889A
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Mechanical movement
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US1785610A
|
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Optical recording device for telegraphic signaling
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US1760866A
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Method and apparatus for transmitting documents electrically
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GB259192A
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Improved method of and apparatus for transmitting optical images
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US1821416A
|
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Method of and apparatus for picture transmission
|
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GB261195A
|
|
Improvements in and relating to radio-vision and telecinematography
|
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US1727194A
|
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Electromagnetic signal transmission
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US1635027A
|
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Method and means of transmitting pictures
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US1535979A
|
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Method of and apparatus for synchronization
|
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US1642637A
|
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System of facsimile telegraphy by wireless signals
|
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GB243049A
|
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Improved system of facsimile telegraphy by wireless signals
|
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US1546280A
|
|
Process and apparatus for treating inked documents
|
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GB209049A
|
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Improvements in and relating to television
|
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US1632163A
|
|
Optical receiver for teletype machines
|
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US1547492A
|
|
Special alphabet for messages sent by the telephotographic process
|
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US1657366A
|
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Secret-message-transmitting system
|
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GB157196A
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Improvements in the cinematograph projection of coloured and other images
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