DK55313C
(en )
1938-10-10
Tilting device for TV receivers.
DK46925C
(en )
1933-02-13
Device for automatic volume control by radio receivers.
DK45622C
(en )
1932-05-02
Device by Radio Receivers.
DK46310C
(en )
1932-10-10
Device by Radio Receivers.
DK46212C
(en )
1932-09-19
Device for Radio Receivers.
DK53892C
(en )
1937-11-22
Control device for Radio Receivers.
DK46309C
(en )
1932-10-10
Device for Adjusting the Volume of Radio Receivers.
DK48063C
(en )
1933-11-27
Device by Radio Receivers.
DK54311C
(en )
1938-02-14
Automatic Selectivity Adjustment Device for Radio Receivers.
DK55638C
(en )
1939-01-02
Automatic Volume Control Device for Modulated Carrier Receivers.
DK47476C
(en )
1933-06-26
Device by Radio Receivers.
DK56625C
(en )
1939-09-04
Control device for Radio Receivers.
DK47600C
(en )
1933-07-31
Circuit device for Radio receivers.
DK46193C
(en )
1932-09-12
Scale lighting device for Radio Receivers.
DK46975C
(en )
1933-02-20
Device for Superheterodyne Receivers for Suppressing Interfering Signal Fluctuations.
DK48151C
(en )
1933-12-18
Selectivity device for Radio receivers.
AT140662B
(en )
1935-02-25
Control device for radio receivers.
DK45524C
(en )
1932-04-18
Device for Inventing the Setting of Radio Receivers.
DK53822C
(en )
1937-11-08
Automatic Tuning Device for Radio Receivers.
DK49719C
(en )
1935-01-02
Amplifier with automatic Sensitivity control, especially for Radiophone receivers.
DK48576C
(en )
1934-04-03
Device for Setting Up Radio Devices.
DK47767C
(en )
1933-09-11
Coupling device for Radio receivers.
ES124115A1
(en )
1931-10-16
Automatic radio verification device.
CA313962A
(en )
1931-08-04
Volume control means for radio receivers
DK49676C
(en )
1934-12-17
Selection device for Radio Devices.