ARMSTRONG EDWIN H innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	34
#2	Canada	18

#	Industry
#1	Basic communication technologies
#2	Telecommunications
#3	Digital networks
#4	Measurement

#	Technology
#1	Transmission
#2	Modulation
#3	Demodulation
#4	Amplification control
#5	Digital information transmission
#6	Broadcast communication
#7	Generation of oscillations
#8	Multiplex communication
#9	Electromechanical clocks
#10	Amplifiers

#	Name	Total Patents
#1	Armstrong Edwin H	52

Publication	Filing date	Title
US2630497A	1949-06-01	Frequency modulation multiplex system
US2602885A	1946-03-30	Radio signaling
US2323698A	1940-10-12	Frequency modulation signaling system
US2275486A	1940-09-25	Means and method for relaying frequency modulated signals
US2315308A	1940-08-02	Method and means for transmitting frequency modulated signals
US2295323A	1940-08-02	Current limiting device
US2215284A	1940-02-19	Frequency modulation signaling system
US2264608A	1940-01-12	Means and method for relaying frequency modulated signals
US2318137A	1940-01-12	Means for receiving radio signals
US2290159A	1940-01-12	Frequency modulation system
US2276008A	1940-01-12	Radio rebroadcasting system
US2540643A	1940-01-12	Frequency-modulated carrier signal receiver
US2169212A	1937-01-16	Radio transmitting system
US2130172A	1936-08-25	Radio transmitting system
US2203712A	1936-08-25	Radio transmitting system
US2116502A	1936-08-25	Radio receiving system
US2122401A	1935-09-14	Frequency changing system
US2085940A	1935-09-14	Phase control system
US2063074A	1935-09-14	Radio transmitting system
US2098698A	1935-09-14	Radio transmitting system