Exhibit 23.1


                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

                  As independent public accountants, we hereby consent to the
incorporation by reference in this Form S-8 Registration Statement of our report
dated February 20, 2002, included in InterDigital Communications Corporation's
Form 10-K for the year ended December 31, 2001.


                                                  /s/ Arthur Andersen LLP


Philadelphia, Pennsylvania
April 4, 2002