ES224589U - Cable reception device and simultaneous emission by waves and cable (Machine-translation by Google Translate, not legally binding)
- Google Patents
Cable reception device and simultaneous emission by waves and cable (Machine-translation by Google Translate, not legally binding)
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Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves
(AREA)
Abstract
Cable reception device and simultaneous emission by waves and cable essentially characterized in that it is constituted by a radio frequency transmitter, integrated in a cable transmitter and fed by said cable transmitter, constituting a set that can be coupled to a receiver emitter by cables separated, said radio frequency emitter being constituted by a microphone connected to a low frequency amplifier, connected in turn to a radio frequency oscillator and a modulator, said radio frequency transmitting circuit being fed through a diode bridge, which also constitutes a means of outputting low frequency and half frequency and half input signals of the low frequency signals emitted by the cable receiver. (Machine-translation by Google Translate, not legally binding)
ES0224589U1976-11-181976-11-18
Device for cable reception and simultaneous broadcasting by waves and cable
ExpiredES224589Y
(en)
An apparatus for the wireless transmission of the sound signal from a television receiver or a separate reproductive device. (Machine-translation by Google Translate, not legally binding)
System of individual audition of a collective emission, without employment of connection by thread between issuer and receiver. (Machine-translation by Google Translate, not legally binding)