CH207143A
(en )
1939-09-30
Radio receiver.
DK59825C
(en )
1942-06-01
Radio receiver with delayed, automatic Volume control.
CH256781A
(en )
1948-08-31
Overlay receiver with automatic frequency control.
CH206319A
(en )
1939-07-31
Radio receiver with fully automatic tuning.
DK58769C
(en )
1941-06-16
Radio receiver with automatic Tuning.
CH206320A
(en )
1939-07-31
Radio receiver with completely automatic tuning.
DK59046C
(en )
1941-09-22
Radio receiver with automatic Gain control.
DK58465C
(en )
1941-03-03
Radio receiver with automatic Volume control.
CH208103A
(en )
1939-12-31
Radio receiver with fully automatic tuning.
DK55951C
(en )
1939-03-20
Radio receiver with automatic Tuning.
DK53385C
(en )
1937-08-02
Overlay Receiver with Automatic Tuning.
CH207285A
(en )
1939-10-15
Radio receiver.
CH208100A
(en )
1939-12-31
Radio receiver.
DK59105C
(en )
1941-10-13
Radio receiver with mechanical tuning system.
DK57121C
(en )
1940-01-08
Intermediate Frequency Overlay Receive Coupling with Automatic Tuning Correction.
CH202675A
(en )
1939-01-31
Intermediate frequency heterodyne receiving circuit with automatic tuning correction.
DK57432C
(en )
1940-04-01
Radio receiver with automatic Tuning.
DK59483C
(en )
1942-02-16
Radio receiver with automatic Tuning.
CH208104A
(en )
1939-12-31
Radio receiver with completely automatic tuning.
CH214303A
(en )
1941-04-15
Radio receiver with automatic tuning.
CH211390A
(en )
1940-09-15
Radio receiver with automatic tuning.
DK55063C
(en )
1938-08-08
Radio receiver with variable Selectivity.
DK51818C
(en )
1936-06-29
Radio receiver with automatic Selectivity control.
DK49335C
(en )
1934-10-01
Radio receiver with automatic Power control.
DK57334C
(en )
1940-03-04
Circuit for automatic Frequency control.