Ex Parte Bershad et al - Page 1




                The opinion in support of the decision being entered today was not written for               
                publication and is not binding precedent of the Board.                                       

                           UNITED STATES PATENT AND TRADEMARK OFFICE                                         
                                             _______________                                                 
                                BEFORE THE BOARD OF PATENT APPEALS                                           
                                           AND INTERFERENCES                                                 
                                             _______________                                                 
                                        Ex parte NEIL J. BERSHAD,                                            
                                       ANURAG BIST, STAN HSIEH,                                              
                                           and JAMES W. MAYER                                                
                                             _______________                                                 
                                           Appeal No. 2006-1690                                              
                                         Application No. 10/154,185                                          
                                             _______________                                                 
                                                 ON BRIEF                                                    
                                             _______________                                                 

                Before JERRY SMITH, BARRY, and SAADAT, Administrative Patent Judges.                         
                JERRY SMITH, Administrative Patent Judge.                                                    



                                         DECISION ON APPEAL                                                  
                      This is a decision on the appeal under 35 U.S.C. § 134 from the                        
                examiner’s rejection of claims 1, 2, and 4-27, which constitute all the claims               
                pending in this application.                                                                 
                The disclosed invention pertains to a system and method for canceling                        
                echo in communications systems that adapts to double-talk and channel impulse                
                response changes to improve the quality of communications signals.                           
                Specifically, the system comprises a non-adaptive filter and an adaptive filter that         






Page:  1  2  3  4  5  6  7  8  9  10  11  12  13  14  Next 

Last modified: November 3, 2007