Device for extracting still picture frames from a moving image video signal and recording same on a magnetic recording medium
First Claim
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1. A magnetic recording device of a helical scanning system provided with rotary magnetic heads, for recording a PCM video signal representative of successive frames of a motion picture, comprising:
- PCM still picture recording means for recording a still picture in a time division manner in a scanning period of said magnetic heads, said PCM still picture recording means including,means for converting a selected frame of said motion picture into a digital video signal,means for receiving said digital video signal for subjecting said digital video signal to a time axis expansion, andmeans for converting said expanded digital video signal into said PCM signal and for recording said PCM signal on said magnetic tape over a plurality of continual head scanning periods.
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Abstract
Disclosed herein is a magnetic recording device simple in arrangement, in which, while a motion picture is being recorded, a unitary part of the motion picture is extracted to perform a still picture recording operation with high picture quality.
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Citations
9 Claims
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1. A magnetic recording device of a helical scanning system provided with rotary magnetic heads, for recording a PCM video signal representative of successive frames of a motion picture, comprising:
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PCM still picture recording means for recording a still picture in a time division manner in a scanning period of said magnetic heads, said PCM still picture recording means including, means for converting a selected frame of said motion picture into a digital video signal, means for receiving said digital video signal for subjecting said digital video signal to a time axis expansion, and means for converting said expanded digital video signal into said PCM signal and for recording said PCM signal on said magnetic tape over a plurality of continual head scanning periods. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification