Exhibit 1
JOINT FILING AGREEMENT
In accordance with Rule 13d-1 (f) under the Securities Exchange Act of
1934, as amended, the undersigned hereby agree to the joint filing with all
other Reporting Entities (as such term is defined in the Schedule 13G) on behalf
of each of them of a statement on Schedule 13G (including amendments thereto)
with respect to the Common Stock, no par value per share,
of Cyberoptics Corporation,
and that this Agreement be included as an
Exhibit to such joint filing.
This Agreement
may be executed in any number of counterparts all of which
taken together shall constitute one and the same instrument.
IN WITNESS WHEREOF, the undersigned hereby execute this
Agreement this 10th day of November, 2001.
EQSF ADVISERS, INC.
By:/s/ XXXXXX X. XXXXXXX
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Xxxxxx X. Xxxxxxx
Chairman and Chief Executive Officer
X.X. XXXXXXX ADVISERS, INC.
By:/s/ XXXXXX X. XXXXXXX
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Xxxxxx X. Xxxxxxx
Chairman and Chief Executive Officer
