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Reel/Frame:	027365/0518			Pages:	11
		Recorded:	12/12/2011
Attorney Dkt #:	70103.1
Conveyance:	VOLUNTARY SURRENDER AGREEMENT

Total properties: 27

Patent #:	7196979	Issue Dt:	03/27/2007	Application #:	09950360	Filing Dt:	09/10/2001
Publication #:	US20020131341	Pub Dt:	09/19/2002
Title:	CALIBRATION STORAGE METHODS FOR A DIGITAL FOCUS AND TRACKING SERVO SYSTEM WITH CALIBRATION

Patent #:	7492675	Issue Dt:	02/17/2009	Application #:	09950372	Filing Dt:	09/10/2001
Publication #:	US20020131342	Pub Dt:	09/19/2002
Title:	DIGITAL SERVO SYSTEM WITH CALIBRATED NOTCH FILTERS

Patent #:	7023766	Issue Dt:	04/04/2006	Application #:	09950373	Filing Dt:	09/10/2001
Publication #:	US20020097644	Pub Dt:	07/25/2002
Title:	FLEXIBLE SERVICING OF SERVO ALGORITHMS USING A DIGITAL SIGNAL PROCESSOR

Patent #:	7260031	Issue Dt:	08/21/2007	Application #:	09950376	Filing Dt:	09/10/2001
Publication #:	US20020136107	Pub Dt:	09/26/2002
Title:	DIGITAL FOCUS AND TRACKING SERVO SYSTEM WITH ONE-TRACK JUMP

Patent #:	6970403	Issue Dt:	11/29/2005	Application #:	09950377	Filing Dt:	09/10/2001
Publication #:	US20020136112	Pub Dt:	09/26/2002
Title:	CALIBRATION OF TRACKING ERROR SIGNAL OFFSET IN A TRACKING SERVO SYSTEM

Patent #:	7522480	Issue Dt:	04/21/2009	Application #:	09950378	Filing Dt:	09/10/2001
Publication #:	US20020145950	Pub Dt:	10/10/2002
Title:	DIGITAL TRACKING SERVO SYSTEM WITH MULTI-TRACK SEEK WITH AN ACCELERATION CLAMP

Patent #:	7016280	Issue Dt:	03/21/2006	Application #:	09950379	Filing Dt:	09/10/2001
Publication #:	US20040090892	Pub Dt:	05/13/2004
Title:	TRACKING AND FOCUS SERVO SYSTEM WITH DEFECT DETECTION

Patent #:	7092322	Issue Dt:	08/15/2006	Application #:	09950392	Filing Dt:	09/10/2001
Publication #:	US20020145953	Pub Dt:	10/10/2002
Title:	CALIBRATION OF FOCUS ERROR SIGNAL OFFSET IN A FOCUS SERVO SYSTEM

Patent #:	6970410	Issue Dt:	11/29/2005	Application #:	09950394	Filing Dt:	09/10/2001
Publication #:	US20020136129	Pub Dt:	09/26/2002
Title:	FOCUS DETECTION IN A DIGITAL FOCUS SERVO SYSTEM

Patent #:	7020054	Issue Dt:	03/28/2006	Application #:	09950395	Filing Dt:	09/10/2001
Publication #:	US20020136113	Pub Dt:	09/26/2002
Title:	DIGITAL SERVO SYSTEM WITH BIASED FEED-FORWARD

Patent #:	6958957	Issue Dt:	10/25/2005	Application #:	09950396	Filing Dt:	09/10/2001
Publication #:	US20020141302	Pub Dt:	10/03/2002
Title:	DIGITAL TRACKING AND FOCUS SERVO SYSTEM WITH TES TO FES CROSSTALK CALIBRATION

Patent #:	6965547	Issue Dt:	11/15/2005	Application #:	09950409	Filing Dt:	09/10/2001
Publication #:	US20020114230	Pub Dt:	08/22/2002
Title:	TRACKING AND FOCUS SERVO SYSTEM WITH ERROR SIGNAL INVERSE NON-LINEARITY CALIBRATION

Patent #:	7095683	Issue Dt:	08/22/2006	Application #:	09950411	Filing Dt:	09/10/2001
Publication #:	US20020141309	Pub Dt:	10/03/2002
Title:	TRACKING AND FOCUS DIGITAL SERVO SYSTEM WITH WRITE ABORT

Patent #:	6950380	Issue Dt:	09/27/2005	Application #:	09950512	Filing Dt:	09/10/2001
Publication #:	US20020118614	Pub Dt:	08/29/2002
Title:	DETECTOR INPUT DARK CURRENT OFFSET CALIBRATION IN AN OPTICAL DISK DRIVE DIGITAL SERVO

Patent #:	6937543	Issue Dt:	08/30/2005	Application #:	09950514	Filing Dt:	09/10/2001
Publication #:	US20020186624	Pub Dt:	12/12/2002
Title:	DIGITAL FOCUS SERVO SYSTEM WITH A SLIDING NOTCH FILTER

Patent #:	7023776	Issue Dt:	04/04/2006	Application #:	09950541	Filing Dt:	09/10/2001
Publication #:	US20020136115	Pub Dt:	09/26/2002
Title:	CALIBRATION INITIATION METHODS FOR A TRACKING AND FOCUS SERVO SYSTEM

Patent #:	7414940	Issue Dt:	08/19/2008	Application #:	09950548	Filing Dt:	09/10/2001
Publication #:	US20020131344	Pub Dt:	09/19/2002
Title:	CALIBRATION OF A FOCUS ERROR SIGNAL GAIN IN A FOCUS SERVO SYSTEM

Patent #:	7065018	Issue Dt:	06/20/2006	Application #:	09951108	Filing Dt:	09/10/2001
Publication #:	US20020097646	Pub Dt:	07/25/2002
Title:	CLV SYSTEM AND METHOD USING PSA LOOKUP

Patent #:	7057983	Issue Dt:	06/06/2006	Application #:	09951331	Filing Dt:	09/10/2001
Publication #:	US20030165090	Pub Dt:	09/04/2003
Title:	SYSTEM AND METHOD FOR CONTROLLING TRACKING AND SEEKING IN AN OPTICAL DISC DRIVE

Patent #:	7095685	Issue Dt:	08/22/2006	Application #:	09951332	Filing Dt:	09/10/2001
Publication #:	US20020145954	Pub Dt:	10/10/2002
Title:	SYSTEM AND METHOD FOR DETECTING AND RECOVERING FROM AN OFF-FORMAT STATE IN AN OPTICAL DISC DRIVE

Patent #:	7038988	Issue Dt:	05/02/2006	Application #:	09951469	Filing Dt:	09/10/2001
Publication #:	US20020131345	Pub Dt:	09/19/2002
Title:	SYSTEM AND METHOD FOR CONTROLLING TIME CRITICAL OPERATIONS IN A CONTROL SYSTEM FOR AN OPTICAL DISC DRIVE

Patent #:	7079459	Issue Dt:	07/18/2006	Application #:	09951475	Filing Dt:	09/10/2001
Publication #:	US20020097651	Pub Dt:	07/25/2002
Title:	SYSTEM AND METHOD FOR PERFORMING A SPIN MOTOR STARTUP OPERATION

Patent #:	6977873	Issue Dt:	12/20/2005	Application #:	09951850	Filing Dt:	09/10/2001
Publication #:	US20020131346	Pub Dt:	09/19/2002
Title:	System and method to adjust the level of re-calibration effort based on disc drive performance

Patent #:	7116621	Issue Dt:	10/03/2006	Application #:	09951931	Filing Dt:	09/10/2001
Publication #:	US20020136131	Pub Dt:	09/26/2002
Title:	SYSTEM AND METHOD FOR HANDLING COMMANDS IN AN OPTICAL DISC DRIVE

Patent #:	7054242	Issue Dt:	05/30/2006	Application #:	09951940	Filing Dt:	09/10/2001
Publication #:	US20020145955	Pub Dt:	10/10/2002
Title:	SYSTEM AND METHOD FOR CONTROLLING FOCUS IN AN OPTICAL DISC DRIVE

Patent #:	7839729	Issue Dt:	11/23/2010	Application #:	11969190	Filing Dt:	01/03/2008
Publication #:	US20080101167	Pub Dt:	05/01/2008
Title:	OPTICAL DRIVE SERVO WITH A SERVO PROCESSOR RECEIVING PHOTODETECTOR SIGNALS

Patent #:	8416651	Issue Dt:	04/09/2013	Application #:	12952135	Filing Dt:	11/22/2010
Publication #:	US20110063958	Pub Dt:	03/17/2011
Title:	SERVO CONTROL USING DIGITAL SIGNAL PROCESSING FOR OPTICAL DISK DRIVE

Assignor

DATAPLAY, INC.

Exec Dt:

03/04/2003

Assignees

SILICON VALLEY BANK

3003 TASMAN DRIVE

SANTA CLARA, CALIFORNIA 95054

GATX VENTURES, INC.

3687 MT. DIABLE BLVD., SUITE 200

LAFAYETTE, CALIFORNIA 94549

SEQUEL ENTREPRENEURS' FUND II, L.P.

4430 ARAPAHOE AVENUE, SUITE 220

BOULDER, COLORADO 80303

Correspondence name and address
	HAYNES AND BOONE, LLP.
	2323 VICTORY AVENUE, SUITE 700
	DALLAS, TX 75219

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