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.)
RAOUL MARIE JEAN FRANCOIS PERO
Original Assignee
RAOUL MARIE JEAN FRANCOIS PERO
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 RAOUL MARIE JEAN FRANCOIS PEROfiledCriticalRAOUL MARIE JEAN FRANCOIS PERO
Application grantedgrantedCritical
Publication of FR463664ApublicationCriticalpatent/FR463664A/fr
H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
H04L15/24—Apparatus or circuits at the receiving end
H04L15/26—Apparatus or circuits at the receiving end operating only on reception of predetermined code signals, e.g. distress signals, party-line call signals
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
FR463664D1913-10-141913-10-14Avertisseur à sonnerie d'appel pour télégraphie sans fil
ExpiredFR463664A
(fr)