Meaning ac-dc ringing
What does ac-dc ringing mean? Here you find 2 meanings of the word ac-dc ringing. You can also add a definition of ac-dc ringing yourself
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ac-dc ringingTelephone ringing that makes use of both ac and dc voltages and currents. Note: An alternating current may be used to operate a ringer and direct current to aid the relay action that stops the ringing when the called telephone is answered.
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ac-dc ringingTelephone ringing that makes use of both ac and dc voltages and currents. Note: An alternating current may be used to operate a ringer and direct current to aid the relay action that stops the ringing when the called telephone is answered.
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