Receiving head for polarized microwave, parabolic antenna and receiving station provided with such a receiving head
FR2602097A1
Antenna for high frequency signals
FR2596220A1
FREQUENCY DEMODULATOR
FR2575606A1
Amplitude equalizer device for signals transmitted by high frequency channels and assembly of such devices
FR2571188A1
Linear amplitude modulator with dual gate field-effect transistor
FR2571180A1
Antenna pointing device
FR2558658A1
Phase locked loop demodulator
EP0110481A1
System for the identification of local stations by a central interrogating station
FR2547957A1
Radio signal receiving antenna and radio signal receiving system comprising such an antenna
FR2546425A1
Antenna consisting of a tubular spacer and cross-sectional strands and its manufacturing method
FR2545667A1
Phase locked loop and frequency modulated signal demodulation device including such a loop
FR2530377A1
Link between several parallel tracks and a common track
EP0060762A1
Receiving system for orthogonally polarized HF signals
FR2447642A1
Correcting linearity faults in transistor amplifier - utilises nonlinear component with controlled bias connected to feedback path, with diode to modify series feedback
FR2406318A1
TV receiver external aerial fixing system - has split pin supporting ratchet wheels in angled slots
