Appeal No. 97-2763 Application No. 08/580,790 transmitting said error-detecting code words through the respective exchange as a component part of said transition monitoring cells; evaluating said error-detecting code words at an exit boundary of the respective exchange and outputting an appertaining error message to a maintenance position responsible therefor given an information falsification that is thereby identified; before the information cell blocks pass the exit boundary, replacing the transition monitoring cells by newly formed transmission monitoring cells whose regular error- detecting code word respectively covers the entire, appertaining information cell block; and wherein the information cell block is thereby faultlessly transmitted over the respective virtual connection. The references relied on by the examiner are: Philip et al. (Philip) 4,197,523 Apr. 8, 1980 Izawa et al. (Izawa) 5,251,204 Oct. 5, 1993 (filing date of Sept. 19, 1991) Uchida et al. (Uchida) 5,313,453 May 17, 1994 (filing date of Mar. 20, 1992) Claims 1 through 8 stand rejected under 35 U.S.C. § 103 as being unpatentable over Izawa. Claims 1 through 8 stand rejected under 35 U.S.C. § 103 as being unpatentable over Uchida. Claims 1 through 8 stand rejected under 35 U.S.C. § 103 4Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 NextLast modified: November 3, 2007