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About Panasonic

Corporate History

Innovative Products

Rewritable optical disc recorder

Rewritable optical disc recorderThe industry's first rewritable optical disc recorder for pictures, the LQ-4100, was developed in 1991 to meet the image information age.
A magneto-optical recording system was employed with an erasure system to produce a disc and drive having a high S/N ratio. It allowed TV image signals to be recorded on a 30-cm optical disc for 30 minutes and the recorded image signals to be erased, thus making the disc rewritable.
It led the way to the subsequent development of the DVD recorder and other optical disc recorders for recording and reproducing images.

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