Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INTERNATIONALE DE LUMIERE FROIDE PROCEDES Ste
Original Assignee
INTERNATIONALE DE LUMIERE FROIDE PROCEDES Ste
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by INTERNATIONALE DE LUMIERE FROIDE PROCEDES StefiledCriticalINTERNATIONALE DE LUMIERE FROIDE PROCEDES Ste
Application grantedgrantedCritical
Publication of FR453058ApublicationCriticalpatent/FR453058A/en
H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
Landscapes
Physics & Mathematics
(AREA)
Electromagnetism
(AREA)
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
FR453058D1912-03-221912-03-22
Apparatus for optical telegraphy
ExpiredFR453058A
(en)