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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
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                                    FORM 8-K

                                 CURRENT REPORT

                        PURSUANT TO SECTION 13 OR 15 (d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

       DATE OF REPORT (Date of earliest event reported): November 23, 2004
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                     InterDigital Communications Corporation
             (Exact name of registrant as specified in its charter)



          Pennsylvania                 1-11152                23-1882087
 (State or other jurisdiction        (Commission             (IRS Employer
        of incorporation)            File Number)          Identification No.)




781 Third Avenue, King of Prussia, Pennsylvania             19406-1409
(Address of Principal Executive Offices)                    (Zip Code)


        Registrant's telephone number, including area code: 610-878-7800


Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act
    (17 CFR 230.425) 

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act 
    (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under
    the Exchange Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the
    Exchange Act (17 CFR 240.13e-4(c))

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Item 7.01. Regulation FD Disclosure.

On November 23, 2004, InterDigital Communications Corporation issued a press
release announcing an upward revision of its royalty revenue guidance for fourth
quarter 2004. A copy of the press release is attached hereto as Exhibit 99.1.


Item 9.01. Financial Statements and Exhibits.

(c)  Exhibits.

     Press release dated November 23, 2004.



                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this Current Report on Form 8-K to be signed on its
behalf by the undersigned hereunto duly authorized.


                               INTERDIGITAL COMMUNICATIONS CORPORATION


                               By: /s/ R.J. Fagan
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                                   Richard J. Fagan
                                   Chief Financial Officer
                             


Dated: November 24, 2004



                                  EXHIBIT INDEX



Exhibit No.       Description
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99.1              Press release dated November 23, 2004.