FR2682837A1
(fr )
1993-04-23
Circuit separateur-coupleur directif pour courants porteurs a frequence moyenne sur ligne electrique a basse tension.
US20110294452A1
(en )
2011-12-01
Antenna amplifier device and antenna device provided in mobile object
KR0146379B1
(ko )
1998-08-17
신호분리장치
BE338769A
(index.php )
US4117492A
(en )
1978-09-26
Low profile remotely tuned dipole antenna
US20050270031A1
(en )
2005-12-08
Antenna Amplifier, in particular for a magnetic resonance antenna
US20050242915A1
(en )
2005-11-03
Multi-tap coil
JP2019114852A
(ja )
2019-07-11
無線周波数増幅器及び無線周波数増幅器を用いた集積回路
US2059389A
(en )
1936-11-03
Frequency discriminating electric network
JP3614614B2
(ja )
2005-01-26
テレビジョン信号受信チュ−ナ
US1954470A
(en )
1934-04-10
High frequency transformer
US2082589A
(en )
1937-06-01
Adjustable coupling for high-frequency coupling devices
CH115828A
(fr )
1926-07-16
Amplificateur à tubes thermioniques.
US2475032A
(en )
1949-07-05
Variable permeability tuning system
US20180109290A1
(en )
2018-04-19
Coupling circuit for power line communications
US8903020B2
(en )
2014-12-02
Radio signal receiving system
JP3515828B2
(ja )
2004-04-05
軌道リレーの位相調整装置
RU2239901C2
(ru )
2004-11-10
Регулируемая катушка индуктивности на кольцевом сердечнике
US1799000A
(en )
1931-03-31
Volume-control means for radioreceivers and the like
BE544245A
(index.php )
US1789673A
(en )
1931-01-20
Amplifier coupling
BE345822A
(index.php )
JP2017135619A
(ja )
2017-08-03
スイッチ部、スイッチ装置および無線機
BE480379A
(index.php )
FR2664766A1
(fr )
1992-01-17
Radio-telephonie.