
<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 JUNE 30, 1998 AND IS QUALIFIED IN ITS
                 ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS

</LEGEND>

       
<S>                                                  <C>
<PERIOD-TYPE>                                         3-MOS
<FISCAL-YEAR-END>                                     DEC-31-1998
<PERIOD-START>                                        APR-01-1998
<PERIOD-END>                                          JUN-30-1998
<CASH>                                                8,983
<SECURITIES>                                          51,063
<RECEIVABLES>                                         19,782
<ALLOWANCES>                                          (2,238)
<INVENTORY>                                           22,707
<CURRENT-ASSETS>                                      103,353
<PP&E>                                                41,183
<DEPRECIATION>                                        31,338
<TOTAL-ASSETS>                                        118,281
<CURRENT-LIABILITIES>                                 37,792
<BONDS>                                               29,301
<PREFERRED-MANDATORY>                                 63,718
<PREFERRED>                                           1,045
<COMMON>                                              498
<OTHER-SE>                                            (76,402)
<TOTAL-LIABILITY-AND-EQUITY>                          118,281
<SALES>                                               15,194
<TOTAL-REVENUES>                                      15,194
<CGS>                                                 8,703
<TOTAL-COSTS>                                         16,927   <F1>
<OTHER-EXPENSES>                                       1,274    <F2>
<LOSS-PROVISION>                                      0
<INTEREST-EXPENSE>                                    913
<INCOME-PRETAX>                                       (3,081)
<INCOME-TAX>                                          (4,792)
<INCOME-CONTINUING>                                   1,711
<DISCONTINUED>                                        0
<EXTRAORDINARY>                                       0
<CHANGES>                                             0
<NET-INCOME>                                          1,711
<EPS-PRIMARY>                                         0.04
<EPS-DILUTED>                                         0.04
<FN>
 <F1>     INCLUDES S&A AND RD&E OF 5,101 AND 3,123 RESPECTIVELY
 <F2>     INCLUDES ROYALTY INCOME OF 1,670 AND ACQUIRED IN-PROCESS R&D OF 2,940
</FN>
        


</TABLE>
