<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          NOV-30-1994
<PERIOD-START>                             DEC-01-1994
<PERIOD-END>                               FEB-28-1995
<CASH>                                       2,517,000
<SECURITIES>                                 9,747,000
<RECEIVABLES>                                9,675,000
<ALLOWANCES>                                   495,000
<INVENTORY>                                  4,237,000
<CURRENT-ASSETS>                            27,247,000
<PP&E>                                      19,548,000
<DEPRECIATION>                              17,228,000
<TOTAL-ASSETS>                              29,828,000
<CURRENT-LIABILITIES>                        9,107,000
<BONDS>                                              0
<COMMON>                                        34,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                  20,684,000
<TOTAL-LIABILITY-AND-EQUITY>                29,828,000
<SALES>                                     14,837,000
<TOTAL-REVENUES>                            14,837,000
<CGS>                                        7,711,000
<TOTAL-COSTS>                                7,711,000
<OTHER-EXPENSES>                             6,535,000
<LOSS-PROVISION>                                15,000
<INTEREST-EXPENSE>                               8,000
<INCOME-PRETAX>                                721,000
<INCOME-TAX>                                    14,000
<INCOME-CONTINUING>                            707,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   707,000
<EPS-PRIMARY>                                      .22
<EPS-DILUTED>                                      .22