Appeal No. 96-3211
Application 07/928,717
8. Folsom's system switches from time-lapse mode to real-
time mode "automatically" when an alarm button is pressed during
an emergency. (4:31-48.)
9. Folsom does not teach detection of movement by any
method or switching to real-time mode based on detection of
motion.
10. Suzuki teaches "driving a [television] and a [videotape
recorder] with the actuation of [a] sensor" activated by a
trespasser. (Abstract.) Suzuki describes automatic recording on
detection as "conventional". (2:10-12.)
11. Suzuki lists "[p]hotoelectric, ultrasonic,
electroextraction, oscillation, or infrared type of sensors" as
appropriate in his system. (3:3-4.) Many of these are directly
(e.g., ultrasonic sensors) or indirectly (e.g., photoelectric
sensors) motion detectors.
12. The two recording modes that Suzuki teaches are
continuous and off, not intermittent and continuous. (6:9-7:1.)
13. Suzuki does not teach detection of motion using
differences in a luminance signal over time.
14. Niitsu teaches that using a luminance frame difference
signal to detect motion in a video signal is "conventional".
(1:13-22.) Niitsu generates a difference signal in part by
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