DK59825C
(en )
1942-06-01
Radio receiver with delayed, automatic Volume control.
DK55313C
(en )
1938-10-10
Tilting device for TV receivers.
DK49719C
(en )
1935-01-02
Amplifier with automatic Sensitivity control, especially for Radiophone receivers.
ES131635A1
(en )
1933-10-01
Amplifier with automatic sensitivity regulation especially radio receiver.
FR759832A
(en )
1934-02-10
Amplifier with automatic sensitivity adjustment, applicable in particular to receivers of t. s. f.
DK59046C
(en )
1941-09-22
Radio receiver with automatic Gain control.
FR759727A
(en )
1934-02-07
Improvements at t receiving stations. s. f.
FR821802A
(en )
1937-12-14
Improvements at t receiving stations. s. f.
DK49335C
(en )
1934-10-01
Radio receiver with automatic Power control.
FR808346A
(en )
1937-02-03
Improvements at t receiving stations. s. f.
DK57151C
(en )
1940-01-15
Overlay radio receiver with automatic Tuning control.
DK48727C
(en )
1934-05-07
Receiving device with automatic volume control.
DK48063C
(en )
1933-11-27
Device by Radio Receivers.
DK58465C
(en )
1941-03-03
Radio receiver with automatic Volume control.
DK51818C
(en )
1936-06-29
Radio receiver with automatic Selectivity control.
DK53892C
(en )
1937-11-22
Control device for Radio Receivers.
DK47767C
(en )
1933-09-11
Coupling device for Radio receivers.
DK49473C
(en )
1934-11-05
Radio receiver with Fading Compensation Means.
FR792772A
(en )
1936-01-10
Improvements at t receiving stations. s. f.
CH171758A
(en )
1934-09-15
Automatic firearm.
DK51794C
(en )
1936-06-22
Station scale with light signal, especially for radios.
DK45716C
(en )
1932-05-23
Automatic Telephone System with Relaiser usable for Landcentraler.
FR749052A
(en )
1933-07-18
Improvements to radio receivers with automatic volume control
AT140662B
(en )
1935-02-25
Control device for radio receivers.
DK54412C
(en )
1938-03-07
Transmission system for Radio receivers.