Exhibit 23.1 CONSENT OF NEEDHAM & COMPANY, INC. We hereby consent to the use of our opinion as Appendix C to the Supplement to Proxy Statement/Prospectus included as part of the Registration Statement on Form S-4 (File No. 33-55343) and to the use of our firm's name as it appears in such Supplement to Proxy Statement/Prospectus. /s/ NEEDHAM & COMPANY, INC. - ------------------------------- Needham & Company, Inc. New York, New York February 8, 1995