DK39813C
(en )
1929-02-18
Device for Reducing the Losses in Transformers for High Frequency Currents, Tuning Coils and the like for Radios.
DK50580C
(en )
1935-08-26
Tuning device for High Frequency Current Devices, in particular Radio Devices.
DK42621C
(en )
1930-07-21
Device for switching transformers, in particular for low frequency amplifiers.
DK43928C
(en )
1931-03-30
Connecting device for tuners for tuning coils in radios.
DK37984C
(en )
1927-09-26
Device for Avoiding Veil in Variable Electrical Capacitors, Variometers and the Like.
DK36310C
(en )
1926-08-02
Tuning device for radios and the like.
DK36100C
(en )
1926-06-14
Fine tuning device for Feedback coils and the like.
CH138423A
(en )
1930-02-28
Step switch on multi-phase transformers.
DK36531C
(en )
1926-09-13
Radio high frequency transformer.
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.
DK45409C
(en )
1932-03-21
Magnetic Coupling Device for a Low Frequency Transformer, in particular for Radio Receivers.
GR1121B
(en )
1926-02-18
PERFECTIONS IN THE RADIO TELEGRAPH STATIONS.
DK38004C
(en )
1927-10-03
Coil Holder and Coil for Radios.
ES103635A1
(en )
1927-08-16
Improvements in the antennas for telegraphy and wireless telephony.
DK40398C
(en )
1929-07-01
Tuning device for Radio use and the like by automatically Changing the Tuning area.
DK41742C
(en )
1930-03-03
Device for sockets or substrates for transformers, inductors and other similar apparatus parts for radio receivers and transmitters.
DK35342C
(en )
1925-12-07
Coil Holder for Tuning Coils at Receiving Devices for Wireless Telegraphy and Telephoning.
DK38748C
(en )
1928-05-07
Exchange with high turnover ratio, especially for use with tuning devices in wireless devices and the like.
ES118667A1
(en )
1930-07-16
Improvements in the tuning devices for telegraph and wireless telephony receivers.
DK61687C
(en )
1943-12-13
Radio receiver that can be tuned both manually and with pushbuttons.
DK38936C
(en )
1928-07-02
Magnetic alloys, especially for use in the manufacture of telegraph and telephone cables.
DK43351C
(en )
1930-11-10
High frequency transformer.
DK45257C
(en )
1932-02-15
High frequency transformer.
DK46253C
(en )
1932-09-26
Device for Transformers for Low Frequency Amplifiers.