<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JUL-01-1996
<PERIOD-END>                               SEP-30-1996
<CASH>                                           1,114
<SECURITIES>                                     4,069
<RECEIVABLES>                                   15,429
<ALLOWANCES>                                       232
<INVENTORY>                                     12,402
<CURRENT-ASSETS>                                34,832
<PP&E>                                          16,331
<DEPRECIATION>                                (10,880)
<TOTAL-ASSETS>                                  53,004
<CURRENT-LIABILITIES>                           12,763
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        34,385
<OTHER-SE>                                     (5,712)
<TOTAL-LIABILITY-AND-EQUITY>                    28,673
<SALES>                                         39,565
<TOTAL-REVENUES>                                39,565
<CGS>                                           19,915
<TOTAL-COSTS>                                   18,413
<OTHER-EXPENSES>                                11,646
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 248
<INCOME-PRETAX>                               (10,327)
<INCOME-TAX>                                       427
<INCOME-CONTINUING>                           (10,754)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (10,754)
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                   (2.19)