Such devices "transmit the material by scanning input documents and producing a series of digital pulses electrically related to the scanned printed or pictorial images. The digital pulses are sent via wire to a receiving machine which, when synchronized with the sending machine, is able to reproduce the transmitted document.”
- Secure Servs. Technology, Inc. v. Time & Space Processing, Inc., 722 F. Supp. 1354, 1356 (E.D. Va. 1989) (full-text).