Exhibit 1 Filing Agreement dated January 21, 2000 Re: Joint Filing of Schedule 13D The undersigned hereby agree that: (i) each of them is individually eligible to use the Schedule 13D attached hereto; (ii) the attached Schedule 13D is filed on behalf...

                                   Exhibit 1

                    Filing Agreement dated January 21, 2000
                        Re: Joint Filing of Schedule 13D

The undersigned hereby agree that:

          (i)     each of them is individually eligible to use the Schedule 13D
                  attached hereto;

          (ii)    the attached Schedule 13D is filed on behalf of each of them;

          (iii)   each of them is responsible for the timely filing of such
                  Schedule 13D and any amendments thereto, and for the
                  completeness and accuracy of the information therein
                  concerning itself; but none of them is responsible for the
                  completeness and accuracy of the information concerning the
                  other persons making the filing, unless it knows or has reason
                  to believe that such information is inaccurate.

                                        SIEMENS AKTIENGESELLSCHAFT


                                        By: /s/ Xx. Xxxx Xxxxxx
                                            -----------------------------------
                                            Name:  Xx. Xxxx Xxxxxx
                                            Title:  Prokurist


                                        By: /s/ Xxxxxxx Xxxxx
                                            -----------------------------------
                                            Name:  Xxxxxxx Xxxxx
                                            Title:  Prokurist


                                        SIEMENS ENERGY & AUTOMATION, INC.


                                        By: /s/ Xxxxxx X Xxxxxx
                                            -----------------------------------
                                            Name:  Xxxxxx X Xxxxxx
                                            Title:  President and CEO


                                        MALIBU ACQUISITION CORP.


                                        By: /s/ Xxxx X. Xxxxxxx
                                            -----------------------------------
                                            Name:  Xxxx X. Xxxxxxx
                                            Title:  Treasurer