FR844920A
(en )
1939-08-04
Automatic tuning device for apparatus for receiving electric oscillations
FR837998A
(en )
1939-02-23
Antenna device
FR685005A
(en )
1930-07-03
Tuning device for receiving stations
FR842452A
(en )
1939-06-13
Tuning indicator for radio receiver
FR847978A
(en )
1939-10-19
Advanced tuning mechanism for t positions. s. f.
CH206045A
(en )
1939-07-15
Tuning indicating device for radio receiver.
FR877453A
(en )
1942-12-08
Tuning device for radio receivers of the superheterodyne type
FR793547A
(en )
1936-01-27
Tuning device for the local oscillator circuit of a superheterodyne receiver
CH271261A
(en )
1950-10-15
Tuning mechanism for radio device.
FR885836A
(en )
1943-09-27
Tuning device for radio receiver
FR831432A
(en )
1938-09-02
Receiver device for printing machines
FR780455A
(en )
1935-04-26
Silent tuning device for radio receiver
FR813743A
(en )
1937-06-08
Silent tuning device for receivers
FR885192A
(en )
1943-09-07
Tuning device for radio receiver
FR823670A
(en )
1938-01-25
Selective tuning mechanism for radio receivers
FR830676A
(en )
1938-08-05
Tuning device for radio-electric receivers
CH268703A
(en )
1950-05-31
Tuning mechanism for radio device.
FR66205E
(en )
1956-06-05
Tuning devices for radio receivers
CH257893A
(en )
1948-10-31
Tuning indicator device for radio receiver.
FR796830A
(en )
1936-04-16
Frequency changer device for radio receiver
FR861713A
(en )
1941-02-15
Tuning indicator for radio receivers
FR837910A
(en )
1939-02-23
Automatic tuning device
FR857164A
(en )
1940-08-29
Tuning device, in particular for frequency changing receivers
CH266216A
(en )
1950-01-15
Device for frequency transposition.
FR750737A
(en )
1933-08-17
Unique adjustment device for radio receiver