Patent Liability Patent Liability Team KANG Team KANG Group 1 - PDF document

Patent Liability Patent Liability Team KANG Team KANG Group 1 Group 1

Overview Overview � “ “ Camera tracking moveable Camera tracking moveable � transmitter apparatus” ” transmitter apparatus � “ “ Sentry robot Sentry robot ” ” � � “ “ Automatic tracking camera control Automatic tracking camera control � system ” ” system

Similar Product/Patent Similar Product/Patent � “ “ Camera tracking moveable transmitter Camera tracking moveable transmitter � apparatus” ” apparatus • US Patent 4,905,315 US Patent 4,905,315; filed 30 June 1988 ; filed 30 June 1988 • � Summary: Summary: � • An apparatus for mounting and positioning an An apparatus for mounting and positioning an • associated device associated device • Method: array of IR sensors at equal angular Method: array of IR sensors at equal angular • positions about an axis positions about an axis • Sensors receive signal from transponder Sensors receive signal from transponder • � Info is used to extrapolate angular Info is used to extrapolate angular � displacement/ position displacement/ position

Claims Claims � Possible conflicting claims: Possible conflicting claims: � • Claims 1 and 5 Claims 1 and 5 • � Deal with using IR sensors to position Deal with using IR sensors to position � camera camera • Similar Similar • � Motion sensors position camera platform in Motion sensors position camera platform in � general area general area • Different Different • � Motion sensors are ancillary, not main Motion sensors are ancillary, not main � method of detection method of detection

Course of Action Course of Action � Term of patent expires in a few Term of patent expires in a few � months months • Can wait to submit the patent to avoid Can wait to submit the patent to avoid • infringement claims infringement claims

Similar Product/Patent Similar Product/Patent � “ “ Sentry robot Sentry robot ” ” � • Patent application Patent application • 20070208459; Filed ; Filed 20070208459 27 Feb 2007 27 Feb 2007 • Designed by Designed by • Samsung to patrol Samsung to patrol border between N. border between N. and S. Korea and S. Korea � Summary Summary � • This This - - > > • • Moving background Moving background • algorithm algorithm • Video targeting Video targeting •

Claims Claims � Possible conflicts: Possible conflicts: � • Body pivoting about main base Body pivoting about main base • � Camera moves independently of main body Camera moves independently of main body � • Gun on main body following where camera Gun on main body following where camera • looks looks • Optically track and follow a target w/ gun Optically track and follow a target w/ gun • � Similarity Similarity � • Overall structure and method Overall structure and method • � Difference Difference � • Specific structure of body Specific structure of body • • Targeting algorithm Targeting algorithm •

Course of Action Course of Action � Clever wording of patent application Clever wording of patent application � � What to do in case of conflict with a What to do in case of conflict with a � patent application? patent application? � Patent for using a sentry gun or just Patent for using a sentry gun or just � one specific application? one specific application? • Pay licensing/ royalty fees Pay licensing/ royalty fees •

Similar Product/Patent Similar Product/Patent � “ “ Automatic tracking camera control Automatic tracking camera control � system ” ” system • US Patent 5,434,617 US Patent 5,434,617; filed 7 Dec 1994 ; filed 7 Dec 1994 • � Summary: Summary: � • Uses differences between two frames to Uses differences between two frames to • track a target track a target • Two cameras: Two cameras: • � Main camera Main camera � � Second camera acting as ancillary sensor Second camera acting as ancillary sensor �

Claims Claims � Possible conflicts: Possible conflicts: � • Use of Use of “ “ current image current image” ” • • Use of Use of “ “ previous image previous image” ” • • Use of threshold box to reduce noise Use of threshold box to reduce noise • • Use of pixel differences Use of pixel differences • � Similarity Similarity � • More or less the same algorithm More or less the same algorithm • � Difference Difference � • Method of using ancillary sensors Method of using ancillary sensors • • Specifics: probably a moving background Specifics: probably a moving background • algorithm algorithm

Course of Action Course of Action � Free video algorithms found online Free video algorithms found online � • Fair use under open Fair use under open- - source license? source license? • • May have to change video algorithm May have to change video algorithm • � Evaluate probability of Evaluate probability of � litigation/ infringement claims litigation/ infringement claims

Questions? Questions?