With the SyncPen, the manufacturer Newyes offers an alternative to classic digitizers. We tested the pen, and we had a positive experience with it. There is a slight dependency on the manufacturer - although this is mitigated by the LCD pad.
https://www.notebookcheck.net/SyncPen-A-digital-pen-that-uses-real-paper-and-an-LCD-pad-received-and-tested.484871.0.html