FR746441A
(en )
1933-05-29
Device for connecting an antenna to one or more radio receivers
DK50126C
(en )
1935-04-15
Antenna device for directional transmission or directional reception of preferably short electric waves.
FR799112A
(en )
1936-06-06
Improvements in the assembly of electric lines, telephone or aerial aerials
FR839683A
(en )
1939-04-07
Telegraph receiver
FR729186A
(en )
1932-07-19
Antenna mast
FR45262E
(en )
1935-07-22
Antenna for broadcast transmitters
CH183822A
(en )
1936-04-30
Electric wave transmission system.
FR798677A
(en )
1936-05-23
Broadcast antenna
ES134623A1
(en )
1934-08-16
ANTENNA ARRANGEMENT FOR DIRECTED TRANSMISSION OR RECEPTION PREFERENTIALLY OF SHORT ELECTRIC WAVES
DK54070C
(en )
1937-12-27
Radio reception system.
FR595830A
(en )
1925-10-09
Antenna cable
FR763796A
(en )
1934-05-07
Radio reception arrangement
FR779179A
(en )
1935-03-30
Telegraph receiver
FR710088A
(en )
1931-08-17
High frequency conductor usable as an antenna or to connect the receiving device with the antenna
FR47889E
(en )
1937-08-14
Improvements in the assembly of electric lines, telephone or aerial aerials
DK48289C
(en )
1934-01-22
Antenna coil for radios without aerial antenna.
DK48046C
(en )
1933-11-20
Device for Radiating or Receiving Ultra-Short Electric Waves.
ES141354A1
(en )
1936-06-01
RADIO-ELECTRICITY RECEIVING ANTENNA
CA285256A
(en )
1928-12-04
Short wave antennae
DK49769C
(en )
1935-01-14
Frequency Increaser for Short Waves.
FR738782A
(en )
1932-12-29
Antenna for broadcast transmitters
FR813957A
(en )
1937-06-12
Dipole antenna for short waves
FR769583A
(en )
1934-08-28
Radio transmission and reception antenna
CA281215A
(en )
1928-06-26
Short wave antenna
DK52541C
(en )
1937-01-11
Radio receiver.