Apparatus for eliminating noise in ac power waveform

Details Apparatus for eliminating noise in ac power waveform Apparatus for eliminating noise in ac power waveform

H - Electricity

02

J

H02J 3/01 (2006.01) H01L 35/00 (2006.01) H01L 35/28 (2006.01) H02M 1/12 (2006.01)

Patent

CA 2343187

A "PN junction element ta which produces the Peltier effect and Seebeck effect within the same element and imparts a noise reducing effect," which prevents an adverse influence of white noise included in an AC waveform to be supplied from a commercially available AC power supply or a parasitic noise or the like caused by electromagnetic interference on an electromagnetic device that is supplied with power and which is effective when attached at the designing or manufacturing stage to each "low-power" functional circuit which. provides a later-attached or externally-attached device is adapted to a "high-power" circuit. An external attachment unit is constructed by separating at least one of lines between an AC power input terminal IN and an output terminal OUT to an electromagnetic device into parallel branch lines a and b, and connecting the series circuit of a diode da, db and a PN junction element ta, tb to each branch circuit, thereby facilitating its use by ordinary users.

L'invention concerne un dispositif à jonction PN (ta) présentant un effet Peltier et un effet Seebeck, ainsi qu'un effet antiparasites. Le dispositif à jonction PN (ta) empêche le bruit blanc compris dans l'onde c.a. du courant fourni par une alimentation en courant alternatif commerciale et les parasites dus aux interférences électromagnétique de perturber le dispositif électromagnétique alimenté par le courant. Il s'utilise par connexion avec un circuit fonctionnel "électronique", auquel on le rajoute ou à l'extérieur duquel on le fixe à l'étape de la conception ou de la fabrication. Ce dispositif à jonction PN est utilisé avec un circuit "électrique". Au moins un des conducteurs reliant la borne d'entrée c.a. (IN) et la borne de sortie (OUT) connectés à un dispositif électromagnétique est branché sur deux conducteurs secondaires parallèles (a, b). Dans ces derniers, un circuit connecté en série, comprenant des diodes (da, db) et des dispositifs à jonction PN (ta, tb), est connecté de façon à former un dispositif externe, ce qui facilite son utilisation par un utilisateur moyen.

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