COLLATERAL PATENT ASSIGNMENT
THIS COLLATERAL PATENT ASSIGNMENT (the "Assignment") is made and entered into this 13th day of
June, 1997, by and among Norris Communications, Inc., a Delaware corporation and Norris Communications,
Inc., a California corporation (collectively, "Assignor") and the individuals and entities listed on Schedule A hereto
(individually, an "Assignee" and collectively, the "Assignees") who are a signatory to this Assignment.
A. Assignor and Assignee are parties to a certain Note Agreement of even date (together with any and all
amendments now or hereafter made thereto, the "Note Agreement"), which provides for (i) Assignee to purchase
one or more Secured Promissory Notes ("Notes") from Assignor and (ii) the grant by Assignor to Assignee of a
security interest in Assignor's FLASHBACK technology including, without limitation, its U.S. patents and
pending patent applications and any licensing, manufacturing and/or royalty agreements related thereto; and
B. Assignee has required, as a condition to purchase of the Notes from Assignor under the Note Agreement, that
Assignor execute and deliver to Assignee this Assignment.
NOW, THEREFORE, in consideration of the premises set forth herein and for other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, Assignor agrees as follows:
1. INCORPORATION OF NOTE AGREEMENT. The Note Agreement and the terms and provisions thereof
are hereby incorporated herein in their entirety by this reference. Terms used herein that are not defined in this
Agreement shall have the meanings ascribed to them in the Note Agreement.
2. COLLATERAL ASSIGNMENT OF PATENTS. To secure the complete and timely satisfaction of all of the
Obligations (as defined in the Note Agreement and hereinafter called the "Obligations"), Assignor hereby grants,
conveys, and assigns to Assignee, as and by way of a first security interest having priority over all other security
interests, with power of