CH207143A
(en )
1939-09-30
Radio receiver.
DK50580C
(en )
1935-08-26
Tuning device for High Frequency Current Devices, in particular Radio Devices.
DK43928C
(en )
1931-03-30
Connecting device for tuners for tuning coils in radios.
DK47600C
(en )
1933-07-31
Circuit device for Radio receivers.
DK49676C
(en )
1934-12-17
Selection device for Radio Devices.
DK49290C
(en )
1934-09-24
For Setting The Tuning Devices In Electrical Oscillations Specific Device.
DK54071C
(en )
1937-12-27
Time Controlled Power Switch for Radio Receivers.
DK48578C
(en )
1934-04-03
Input oscillation circuit device for Radio receivers.
DK59273C
(en )
1941-12-08
Tuning device for Radio Receivers.
DK50552C
(en )
1935-08-12
Superheterodyne Radio receiver.
ES131756A1
(en )
1933-11-01
Improvements in radio devices.
DK48576C
(en )
1934-04-03
Device for Setting Up Radio Devices.
ES136082A1
(en )
1935-05-01
Improvements in radio reception devices.
DK60742C
(en )
1943-03-29
Tuning device for Radio Receivers.
DK48151C
(en )
1933-12-18
Selectivity device for Radio receivers.
DK37535C
(en )
1927-05-30
Device for tuning the antenna circuit in receivers for electrical oscillations.
DK55579C
(en )
1938-12-19
Coil revolvers for High Frequency Devices, especially for Radio Receivers.
DK49834C
(en )
1935-02-04
Radio receiver.
DK51023C
(en )
1935-12-16
Radio receiver.
DK52541C
(en )
1937-01-11
Radio receiver.
DK48063C
(en )
1933-11-27
Device by Radio Receivers.
DK46212C
(en )
1932-09-19
Device for Radio Receivers.
DK49794C
(en )
1935-01-28
Superheterodyne Radio receiver.
ES135443A1
(en )
1934-11-01
Disturbance elimination device in radio reception.
DK62860C
(en )
1944-11-06
Device at High Frequency Circuits, especially in Radio Receivers, for Indicating True Tuning.