H - Electricity – 04 – R
Patent
H - Electricity
04
R
338/2, 179/35
H04R 3/12 (2006.01) H04S 7/00 (2006.01)
Patent
CA 1236406
16 ABSTRACT: The invention relates to a fading arrangement in electrical reproduction apparatus, for fading the signals supplied to two reproduction units by a signal source, comprising a variable resistor whose resistance track co-operates with wiper means which, when moved along the track, connect a fading resistance which decreases from the maximum value to the minimum value in series with one reproduction unit and a fading resistance which incr ases from the minimum value to the maximum value in series with the other reproduction unit. Additional variable resistors (RZ) are arranged in parallel with the reproduction units (RL1, Ri1 + RL1; RL2, Ri2)+ RL2). During the common movement of all the wiper means the additional wiper means vary the resistance values of the additional resistors (R2, 100 R2) oppositely, in such a way that the resistance value of the additional resistor (R2) connected in parallel with one reproduction unit varies from the maximum value to a minimum value and the resistance value of the additional resistor connected in parallel with the other reproduction unit varies from the minimum value to the maximum value.
487012
Philips'gloeilampenfabrieken N.v.
Van Steinburg C.e.
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