Title: Segmented video playback apparatus with ancillary recording medium

Abstract: A system for playback of segmented video information on a tape employs an ancillary recording medium which is rotationally driven at a rotation rate of the primary segment scanning apparatus. Each segment of a video field is recorded in a respective track of the ancillary medium, the information of one field being recorded over the information of another field. By recording only signals of a predetermined quality on the ancillary recording medium, play back of video information from the ancillary medium will produce a coherent display on a display monitor, regardless of the rate at which the tape is run. This is possible because of the one-to-one correspondence between the rotary rates of the scanner and the ancillary medium. Each coherent display is comprised of information from one or a number of video fields.

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Inventors: Bixby, James A. (San Diego, CA, US)
Lemke, James U. (Del Mar, CA, US)
Lentz, Robert A. (Rancho Santa Fe, CA, US)

Application Number: 780945
Filing Date: 1977-03-24
Publication_date: 1980-03-11
Assignee: Spin Physics, Inc. (San Diego, CA)
Primary Class(es): 386/52 386/95, 386/125
Other Classes:
US Patent Ref:

2874214	Feb, 1959	Anderson	360/35.
3395248	Jul, 1968	Suzuki et al.	360/10.
3454713	Jul, 1969	Yanagimachi et al.	360/10.
3557320	Jan, 1971	Hopf	360/10.
3662101	May, 1972	Segerstrom	360/10.
3721757	Mar, 1973	Ettlinger	360/14.
3999218	Dec, 1976	Iyama et al.	360/10.

Other Refs: 45-26802

Sep, 1970	JP

Primary Examiner: Cardillo, Jr., Raymond F.
Assistant Examiner:
Attorney: Cody; Robert F.