CH257589A
(en )
1948-10-15
Indicating device for the observation of radio transmissions.
CH257893A
(en )
1948-10-31
Tuning indicator device for radio receiver.
CH271261A
(en )
1950-10-15
Tuning mechanism for radio device.
FR885836A
(en )
1943-09-27
Tuning device for radio receiver
FR877453A
(en )
1942-12-08
Tuning device for radio receivers of the superheterodyne type
FR885192A
(en )
1943-09-07
Tuning device for radio receiver
FR892360A
(en )
1944-04-05
Loop antenna for t devices. s. f.
CH250538A
(en )
1947-08-31
Frequency discriminator device.
FR891128A
(en )
1944-02-28
Tuning device with synoptic dual control dial for spread-band radio receivers
FR890873A
(en )
1944-02-21
Ultra-shortwave oscillator tuning device
FR894155A
(en )
1944-12-15
Tuning device for t devices. s. f.
FR893471A
(en )
1944-07-28
Transmission device, especially for remote controls
FR890885A
(en )
1944-02-21
Superheterodyne receiver for centimeter waves
FR877879A
(en )
1943-01-05
Balancing device for signal transmission systems
FR884504A
(en )
1943-08-19
Locking device for telerapide transmitter
CH206045A
(en )
1939-07-15
Tuning indicating device for radio receiver.
FR892630A
(en )
1944-05-15
Control device for radio receiver
FR891895A
(en )
1944-03-22
Device for tuning a lick circuit
CH268703A
(en )
1950-05-31
Tuning mechanism for radio device.
FR938011A
(en )
1948-09-02
Tuning device for t receivers. s. f. with spread bands
FR891642A
(en )
1944-03-13
Device for equalizing the frequency characteristic of tuning elements
FR952820A
(en )
1949-11-24
Tuning indicator, especially for radio receiver
FR893082A
(en )
1944-05-30
Sliding core tuning device
FR932964A
(en )
1948-04-07
Detection or frequency change device for radio frequency oscillations
FR899805A
(en )
1945-06-12
Lick system for fairly wide tuning scales