Time reconciliation for image recording devices

Details Time reconciliation for image recording devices Time reconciliation for image recording devices

2007-02-02

2011-12-20

Shibru, Helen (Department: 2484)

Motion video signal processing for recording or reproducing

Process of generating additional data during recording or...

Additional data controlling recording or playback operation

C386S327000, C386S351000

Reexamination Certificate

active

08081868

ABSTRACT:
Time reconciliation, in which images that each are associated with a recording device system time are received, the recording device records the images at an original rate, a reference time is determined, and a difference time D representing an amount of time that the recording device system time is ahead of the reference time is calculated. In one alternative implementation, a down-sampling rate N is determined, and a time T to reconcile the recording device system time with the reference time is calculated based upon the down-sampling rate N and the difference time D. In another alternative implementation, a time T is determined, and a down-sampling rate N to reconcile the recording device system time with the reference time is calculated based upon the time T and the difference time D. In both alternative implementations, the images recorded by the recording device are down-sampled at 1/N of the original rate, and the down-sampled images are stored.

REFERENCES:
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patent: 6639907 (2003-10-01), Neufeld et al.
patent: 6717978 (2004-04-01), Yang et al.
patent: 09-116536 (1997-05-01), None
patent: 2004-260390 (2004-09-01), None
patent: 2005-051470 (2005-02-01), None
Office Action from Korean Patent Office, dated Jun. 25, 2007, Application No. 10-2006-0044088, 3 pages.
Notice of Allowance from Korean Patent Office, dated Oct. 31, 2007, Application No. 10-2006-0044088, 2 pages.

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