Demagnetization and earthing device for a picture tube and machine for manufacturing same

Demagnetization and earthing device for a picture tube and machine for manufacturing same

A device for demagnetization of the picture tube of a television receiver and earthing of the conductive coating applied to the cone of the tube includes a demagnetization coil system (4) constituted by a bundle of insulated electric wires held together and forming at least one loop applied to the c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PRIGENT, GEORGES, BESNARD, PATRICK, DUPAILLON, JACQUES
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
PICTORIAL COMMUNICATION, e.g. TELEVISION
PRINTED CIRCUITS
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Beschreibung
Zusammenfassung:A device for demagnetization of the picture tube of a television receiver and earthing of the conductive coating applied to the cone of the tube includes a demagnetization coil system (4) constituted by a bundle of insulated electric wires held together and forming at least one loop applied to the cone of the tube. The wires of the strand are held together by a tape of plastic material wound helically around them, while a bare electric wire (1) is wound helically with the same pitch as the tape. This wire is connected to earth (15, 16).