Appeal No. 2002-1674 Application 09/089,901 groove track and the land track, then reproducing the signal from both the groove track and the land track; a detector for detecting a quality of the signal thus recorded and reproduced by the recording and reproduction unit; a control parameter setting unit for setting a control parameter related to at least one of the recording and the reproduction of the optical disk; and a controller for changing the control parameter set by the control parameter1 setting unit, repeating the recording and reproduction performed by the recording and reproduction unit and detection performed by the detector every time the control parameter is changed, and determining the control parameter based on the quality of the signal detected by the detector. The Examiner relies on the following prior art references:2 Johann et al. (Johann) 5,341,360 Aug. 23, 1994 Moriya et al. (Moriya) 5,508,995 Apr. 16, 1996 Pietrzykoski et al. (Pietrzykoski) 5,812,506 Sep. 22, 1998 (effectively filed Oct. 02, 1996) Nakane et al (Nakane ‘932) 5,936,932 Aug. 10, 1999 (filed Mar. 25, 1997) Nakane et al. (Nakane ‘285) 5,946,285 Aug. 31, 1999 (filed Feb. 28, 1997) Nakane et al. (Nakane ‘699)) 6,091,699 Jul. 18, 2000 (filed Apr. 10, 1997) 1 The language “set by the control parameter” is inadvertently duplicated at line 2 of claim 1 appearing in the amendment filed August 7, 2000, Paper No. 8. 2 In addition, the Examiner relies on Appellants’ admissions as to the prior art at pages 29 and 30 of Appellants’ specification. 3Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007