
<TABLE> <S> <C>
                          
                                
<ARTICLE>                         5
<LEGEND>                          THE SCHEDULE CONTAINS SUMMARY FINANCIAL
                                  INFORMATION EXTRACTED FROM THE COMPANY'S
                                  CONSOLIDATED FINANCIAL STATEMENTS FOR THE
                                  THREE MONTHS ENDED SEPTEMBER 30, 1997 AND IS
                                  QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
                                  FINANCIAL STATEMENTS
</LEGEND>
       
<S>                              <C>
<PERIOD-TYPE>                     3-MOS
<FISCAL-YEAR-END>                 DEC-31-1997
<PERIOD-START>                    JUL-01-1997
<PERIOD-END>                      SEP-30-1997
<CASH>                            10,328
<SECURITIES>                      17,991
<RECEIVABLES>                     24,125
<ALLOWANCES>                      (1,625)
<INVENTORY>                       17,323
<CURRENT-ASSETS>                  70,962
<PP&E>                            54,334
<DEPRECIATION>                    44,858
<TOTAL-ASSETS>                    81,848
<CURRENT-LIABILITIES>             28,508
<BONDS>                           0
<PREFERRED-MANDATORY>             69,970
<PREFERRED>                       0
<COMMON>                          456
<OTHER-SE>                        (76,513)
<TOTAL-LIABILITY-AND-EQUITY>      81,848
<SALES>                           18,182
<TOTAL-REVENUES>                  18,182
<CGS>                             9,950
<TOTAL-COSTS>                     18,834    <F1>
<OTHER-EXPENSES>                  (2,738)   <F2>
<LOSS-PROVISION>                  0
<INTEREST-EXPENSE>                (714)     <F3>
<INCOME-PRETAX>                   2,800
<INCOME-TAX>                      196
<INCOME-CONTINUING>               2,604
<DISCONTINUED>                    0
<EXTRAORDINARY>                   0
<CHANGES>                         0
<NET-INCOME>                      2,604
<EPS-PRIMARY>                     0.06
<EPS-DILUTED>                     0.06
        

<FN>
 <F1>                             INCLUDES S&A AND RD&E OF 5,043 AND 3,841
                                  RESPECTIVELY
 <F2>                             INCLUDES ROYALTY INCOME OF 1,786 AND
                                  RESTRUCTURING CREDITS OF 950
 <F3>                             NETS INTEREST INCOME OF 733 AND INTEREST 
                                  EXPENSE OF 19
</FN> 

</TABLE>
