PICTURE DISPLAY DEVICE WITH INTERFERENCE SUPPRESSION MEANS

Picture display device having a display tube (3) and a deflection unit (9) comprising a field deflection coil and a line deflection coil (11). To comply with a predetermined interference radiation standard, the picture display device is provided with one interference suppression coil (12) or with a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SLUYTERMAN, ALBERTUS AEMILIUS SEYNO, PASMA, TJEBBE RINSE, BOSCH, GERRIT
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION BASIC ELECTRIC ELEMENTS CHEMISTRY CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SEALS
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Beschreibung
Zusammenfassung:	Picture display device having a display tube (3) and a deflection unit (9) comprising a field deflection coil and a line deflection coil (11). To comply with a predetermined interference radiation standard, the picture display device is provided with one interference suppression coil (12) or with a system of interference suppression coils 18, 18a; 19, 19a, which interference suppression coil or system of interference suppression coils os oriented and can be energized in such a manner that, measured at a predetermined distance from the picture display device, the strength of the local magnetic dipole field is below a desired standard.