Ex parte CHOI - Page 4




            Appeal No. 1998-3409                                                                              
            Application No. 08/525,152                                                                        


            that Park teaches that delay data is maintained internally within the microcomputer 10b           
            and that the delay data is neither output to the integrator circuit 10c nor to the mono-multi     
            circuit 14.  We agree with appellant that Park does not teach or suggest “a controller for        
            supplying the delay data and the shift command signal of the head switching point of time         
            for each head to the head switching signal generator according to the output of the format        
            detector” as recited in claim 1.  The basic problem is that the examiner is relying on            
            essentially the same structure to provide both claim limitations, yet the examiner does not       
            clearly explain how the reference meets the limitations as recited in claim 1.  For example,      
            the examiner maintains that the “delay data and shift command signal (output 10c and 14)”         
            are output from “format detector 10(b)”.  Later the examiner maintains that “controller for       
            supplying the delay data and shift command signal (10, 10c)” is taught by Park.  (See             
            answer at page 3.)  Here, the examiner relies upon different teachings within the reference       
            for the same information where one is the overall automatic mono-multi signal control             
            circuit 10, and the other is a sub-unit 10c within the automatic mono-multi signal control        
            circuit 10.  The examiner then maintains that the “signal outputted from 14 is being              
            interpreted as the delay data and shift command signal.  In col. 6 lines 47-53, Park              
            describes how the output from 14 causes the head switching signal to rise from a low state        
            to a high state.                                                                                  




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