H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/58 (2006.01)
Patent
CA 2746355
A differential transformer-free hybrid circuit includes a first amplifier configured to receive a first signal from a transmitter and output the first signal to a telephone loop, and a second amplifier configured to receive a second signal from the telephone loop and output the second signal lo a receiver Further, the differential transformer- free hybrid circuit also includes at least one balanced network element and a trans former-less interface configured to couple the first amplifier and the second amplifier to the telephone loop, wherein the transformer-less interface includes at least one current blocking device.
L'invention concerne un circuit hybride sans transformateur différentiel comprenant un premier amplificateur configuré pour recevoir un premier signal d'un émetteur et sortir le premier signal sur une boucle téléphonique, et un second amplificateur configuré pour recevoir un second signal de la boucle téléphonique et sortir le second signal sur un récepteur. En outre, le circuit hybride sans transformateur différentiel comprend également au moins un élément de réseau équilibré et une interface sans transformateur configurée pour coupler le premier amplificateur et le second amplificateur à la boucle téléphonique, l'interface sans transformateur comprenant au moins un dispositif de blocage de courant.
Becker Donald Edward
Chen Wei
Edwards William
Qin Laigui
Shu Baohua
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Utc Fire & Security Americas Corporation Inc.
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