US2541039A
(en )
1951-02-13
Amplitude channelizer
US3970944A
(en )
1976-07-20
Pulse suppressing circuit arrangements and equipment incorporating the same
US2288196A
(en )
1942-06-30
Radio beacon system
GB1360705A
(en )
1974-07-17
Chroma key circuit
GB1572136A
(en )
1980-07-23
Ac amplifier circuits
GB1581819A
(en )
1980-12-17
Apparatus for modifying the scale of a logarithmic signal
GB526114A
(enrdf_load_html_response )
US3187262A
(en )
1965-06-01
Detector of phase differences between currents of different frequencies
ATE235694T1
(de )
2003-04-15
Simulator zum prüfen eines kollisionsvermeidungs- radarsystems
GB2274560A
(en )
1994-07-27
Echo pulse detection circuit
US4325068A
(en )
1982-04-13
Loran-C signal processor
US3601899A
(en )
1971-08-31
Single core solid-state compass
JPH03159419A
(ja )
1991-07-09
異なった動作電圧にて作動される2つの電子回路間のインターフェース
US3204119A
(en )
1965-08-31
Signal-to-noise ratio detector
US2241915A
(en )
1941-05-13
Direction-finding system
US2290974A
(en )
1942-07-28
Direction finding system
US1949256A
(en )
1934-02-27
Radio direction finder
JPS58103675A
(ja )
1983-06-20
探知電波到来方位検出装置
GB441370A
(enrdf_load_html_response )
GB1010001A
(en )
1965-11-17
Improvements in or relating to character recognition systems
GB600313A
(en )
1948-04-06
Radio detection system
GB579072A
(en )
1946-07-23
Improvements in visual indicators for distinguishing between two signals of rectangular wave form particularly for radio blind approach systems
GB579090A
(en )
1946-07-23
Improvements in or relating to radio systems for guiding aircraft
GB1525778A
(en )
1978-09-20
Direction-finding device having a two-channel watson-watt receiver
SU1619296A1
(ru )
1991-01-07
Устройство дл моделировани ошибок в волоконно-оптической линии св зи