EXHIBIT 23.1

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


To InterDigital Communications Corporation:

As independent public accountants, we hereby consent to the incorporation of our
report included in this Form 10-K, into InterDigital's previously filed
Registration Statements File No. 33-32888, File No. 33-43253, File No. 33-44689,
File No. 33-47388, File No. 33-53388, File No. 33-53660, File No. 33-88248, File
No. 33-89920, File No. 33-89922, File No. 33-60711, File No. 33-61021, File No.
333-02345 and File No. 333-10521.



 Philadelphia, PA                              Arthur Andersen LLP
   March 29, 1999