Exhibit 23.1

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

         As Independent Public Accountants, we hereby consent to the
incorporation by reference in this Registration Statement on Form S-8 of our
reports dated February 6, 2001, included in InterDigital Communications
Corporation's Form 10-K for the year ended December 31, 2000.

                                               /s/ Arthur Andersen LLP

Philadelphia, Pennsylvania
July 31, 2001