In-wire selective cancellation system

Details In-wire selective cancellation system In-wire selective cancellation system

H - Electricity

03

B

H03B 1/00 (2006.01) H03H 21/00 (2006.01) H03K 5/00 (2006.01) H04B 1/10 (2006.01) H04B 3/00 (2006.01)

Patent

CA 2067822

An in-wire active cancelling system for cancelling undesirable repetitive signal components from a primary electronics signal comprising desired intelligent signal components and undesirable repetitive signal components. The primary electronic signal (101) is fed as an input to an electronic mixer (106). A second input of the electronic mixer (106) receives a repetitive cancelling signal generated by an active cancellation controller (103) to cancel the undesirable repetitive signal component from the primary signal (10) without interfering with passage of the primary signal intelligent signal components.

L'invention est un système actif servant à éliminer les parasites répétitifs incorporés à un signal électrique primaire constitué d'un signal intelligible désiré et de parasites répétitifs. Le signal électrique primaire (101) est transmis à l'une des entrées d'un mélangeur électronique (106). Une seconde entrée de ce mélangeur reçoit un signal d'élimination répétitif engendré par un contrôleur d'élimination actif (103) pour éliminer les parasites répétitifs contenus dans le signal primaire (10) sans nuire à la transmission de la composante intelligible du signal primaire.

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