FR1106441A
(en )
1955-12-19
Magnetron frequency stabilization system
CH362440A
(en )
1962-06-15
Frequency multiplier device
CH366104A
(en )
1962-12-15
Mechanical frequency filter
CH362015A
(en )
1962-05-15
Electrical device for displaying the relative positions of mutually displaceable means
BE598020A
(en )
1961-03-31
Frequency scanning radio receiver
CH355872A
(en )
1961-07-31
Mechanical high frequency filter
CH353096A
(en )
1961-03-31
Mechanical frequency filter
CH337242A
(en )
1959-03-31
Circuit arrangement for frequency demodulation
AT199700B
(en )
1958-09-25
Circuit arrangement with screen tube for amplifying two different frequency bands
FR1221607A
(en )
1960-06-02
adjustable frequency standard
FR1212914A
(en )
1960-03-28
Frequency detector
CH358873A
(en )
1961-12-15
Mechanical frequency filter
CH349434A
(en )
1960-10-15
Device for monitoring the tuning position of television receivers
FR1129797A
(en )
1957-01-25
Advanced Frequency Modulation Radio Receiver
CH350332A
(en )
1960-11-30
Frequency divider circuit
FR1196417A
(en )
1959-11-24
Low frequency amplifier
CH370171A
(en )
1963-06-30
Athermapeutic ultrashort wave apparatus
CH325324A
(en )
1957-10-31
Circuit arrangement for frequency modulation
FR1087866A
(en )
1955-03-01
Gradient contrast correction and high frequency loss compensation circuits
FR1212983A
(en )
1960-03-28
Variable frequency oscillator
FR1196976A
(en )
1959-11-27
Frequency selector
AT196461B
(en )
1958-03-25
Circuit arrangement for tuning display in television receivers
FR1173604A
(en )
1959-02-27
Improvements to tuned radio circuits
AT204094B
(en )
1959-06-25
Intermediate frequency amplifier for television receivers
CH361306A
(en )
1962-04-15
Intermediate frequency amplifier for television receivers