H - Electricity – 03 – F
Patent
H - Electricity
03
F
H03F 1/32 (2006.01)
Patent
CA 2373778
A transmission system (14) broadcasts an information signal. Within the system (14), several components (e.g., 20-24) cause distortion to the information signal as the signal is processed and proceeds toward a broadcast antenna. The group of distortion causing components (20-24) is identified as a first group, and is arranged in a sequence along a signal path (12) toward the antenna. The first group of components (20-24) performs various functions, including amplification, but each subjects the information signal to distortion shifts away from intended values. A second group of components (e.g., 28-32) modifies the information signal to compensate for the distortion shifts imposed by the first group of components (20-24). The second group of components (28-32) is located upstream of the first group of components (20-24). The second group of components (28-32) is arranged in a sequence to modify the information signal to compensate for the distortions in an order inverse to the occurrence of the distortions.
Dans un système de transmission (14) diffusant un signal d'information plusieurs composantes (par exemple 20-24) causent des distorsions au signal d'information pendant son traitement et sa progression vers l'antenne d'émission. Le groupe des composantes perturbatrices (20-24), identifié comme premier groupe, est arrangé en séquence le long du conducteur (12) alimentant l'antenne. Ce premier groupe (20-24) assure plusieurs fonctions, y compris l'amplification, produisant chacune sur le signal d'information des dérives de distorsion s'écartant des valeurs souhaitées. Un deuxième groupe de composantes (par exemple 28-32) modifie le signal d'information pour compenser les dérives de distorsion dues au premier groupe de composantes (20-24). Le second groupe de composantes (28-32), situé en amont du premier (20-24), est arrangé en une séquence modifiant le signal d'information de manière à en compenser les distorsions dans l'ordre inverse de leur survenance.
Plonka Robert
Twitchell Edwin Ray
Harris Corporation
Oldham Edward H.
LandOfFree
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