EXHIBIT 10.7.1
                                 PROMISSORY NOTE

$50,000                                                     San Jose, California
                                                            August 20, 1998


         FOR VALUE RECEIVED, the undersigned, Charles S. Duncheon, ("Employee"),
promises to pay to the order of ADEPT TECHNOLOGY, INC., (the "Corporation"),  at
its office at 150 Rose Orchard Way, San Jose,  California  95134,  the principal
sum of FIFTY THOUSAND DOLLARS  ($50,000),  with interest on the unpaid principal
amount outstanding from the date hereof,  initially at the current Federal short
term  rate,  and  thereafter  during  the term  hereof,  each  January  1 at the
applicable  Federal  short  term  rate  in  effect  on  such  date,   compounded
semi-annually,  and each July 1 at the  applicable  Federal  short  term rate in
effect  on such  date,  compounded  semi-annually.  Interest  shall  be  payable
annually  commencing  August 20, 1999. Any interest for a partial month shall be
prorated  based on the  number of days in such  month.  All  accrued  and unpaid
interest, and all unpaid principal, shall be due and payable on or before August
20, 1999. All money paid toward the  satisfaction  of this Note shall be applied
first  to the  payment  of  interest  as  required  hereunder  and  then  to the
retirement of principal.
         The  undersigned  further agrees that, in the event that his employment
by or association with the Company is terminated for any reason prior to payment
in full of this Note,  this Note shall be accelerated  and all remaining  unpaid
principal shall become due and payable immediately after such termination.
         If an action is instituted for collection of the Note, the  undersigned
agrees to pay court costs and reasonable  attorneys' fees incurred by the holder
hereof.
         This note may be prepaid at any time without penalty.


                         /s/ Charles S. Duncheon
                         --------------------------------------------
                         Borrower, Charles S. Duncheon


                         /s/ Betsy A. Lange
                         --------------------------------------------
                         Witness, Betsy A. Lange