DK51135C
(en )
1936-01-13
Device for Radio Receivers and Other High Frequency Amplifiers for Selectivity Control.
DK51910C
(en )
1936-07-20
Device for Radio Receivers and other High Frequency Amplifiers for Automatic Sensitivity Control.
DK51911C
(en )
1936-07-20
Device for Radio Receivers and other High Frequency Amplifiers for Automatic Sensitivity Control.
DK47713C
(en )
1933-09-04
Device for Volume Control for Radio Receivers and High Frequency Amplifiers.
DK47657C
(en )
1933-08-21
Automatic volume control device for Radio Receivers and High Frequency Amplifiers.
DK47674C
(en )
1933-08-21
Device for Volume Control for Radio Receivers and High Frequency Amplifiers.
DK57490C
(en )
1940-04-15
Device for Tuning Elements for Radio Receivers and Other High Frequency Amplifiers.
FR762941A
(en )
1934-04-20
Radio frequency amplifiers
DK48472C
(en )
1934-03-05
Device for radio receivers, amplifiers and the like.
DK58388C
(en )
1941-02-03
Device for Radio Receivers and other High Frequency Amplifiers with Automatic Gain Control.
DK50608C
(en )
1935-09-02
Device for High Frequency Transformers in Radio Receivers or Other High Frequency Amplifiers.
DK51548C
(en )
1936-04-20
Automatic Volume control device for Radio Receivers and other Amplifiers of electrical Oscillations.
DK59346C
(en )
1941-12-29
Device for Radio Receivers and Amplifiers for Automatic Bandwidth Adjustment.
DK46567C
(en )
1932-11-28
Device for Radio Receivers or other tunable High Frequency Amplifiers.
DK50650C
(en )
1935-09-16
Device for Radio Receivers and similar Devices for combined Sound and Volume Control.
DK52188C
(en )
1936-09-21
Superheterodyne Radio Receiver and Procedure for its Setting.
DK48151C
(en )
1933-12-18
Selectivity device for Radio receivers.
DK49933C
(en )
1935-02-25
Device for Radio Receivers for Elimination of Unwanted Frequencies.
DK46253C
(en )
1932-09-26
Device for Transformers for Low Frequency Amplifiers.
DK53892C
(en )
1937-11-22
Control device for Radio Receivers.
DK46212C
(en )
1932-09-19
Device for Radio Receivers.
DK57359C
(en )
1940-03-11
Device with High Frequency Amplifiers, in particular Radio Receivers, for automatic Adjustment of the Selectivity.
DK47327C
(en )
1933-05-15
Device for Tuning Circuits for High Frequency Amplifiers and Radios.
DK48108C
(en )
1933-12-04
Device for Tuning Circuits for High Frequency Amplifiers and Radios.
DK55876C
(en )
1939-02-27
Automatic Fine Tuner for Radio Receivers or Other High Frequency Amplifiers.