Rotary recording medium which is playable in still picture, slow-motion and normal reproduction modes

Claim 2

A rotary recording medium which is playable in still-picture, slow-motion and normal reproduction modes on a reproducing apparatus which comprises a reproducing element for reproducing signals from the rotary recording medium, said rotary recording medium comprising: at least one recording surface; a spiral track formed on said recording surface, said spiral track being made up of a plurality of track turns; a first video signal related to a unit which is repeatedly recorded with N field periods in each of said track turns, where N is a natural number which is greater than one, said unit being equal to one picture of a movie film; a track shift address signal recorded in at least one position in each of said track turns with a constant period regardless of whether said unit is one field of the second video signal or one picture of the movie film, said track shift address signal comprising a rotary recording medium discriminating code for indicating a specific track pattern recorded on said rotary recording medium which comprises as recorded signals the first video signal related to the unit which is repeatedly recorded with N field periods in each of said track turns, a kick existence instructing code for indicating the existence of a forced track shift of the reproducing element from one track turn to another track turn, and a kick direction instructing code for indicating the direction of the forced track shift; and divided audio signal segments successively arranged and recorded in accordance with a scanning locus of the reproducing element in the normal reproduction mode of the reproducing apparatus, said divided audio signal segments being obtained by segments of an audio signal, said rotary recording medium having track parts with said divided audio signal segments recorded on at least a part of said recording surface, said first video signal being repeatedly recorded for four field periods in each of said track turns, each of said track turns comprising first through fourth vertical blanking period recorded parts (a, b, c, d), each of said parts being recorded with a vertical blanking period of said first video signal, each of said track turns starting from said first vertical blanking period recorded part (a), an (M+1)-th divided audio signal segment out of said divided audio signal segments extending for eight fields of said first video signal from an intermediate point between said second and third vertical blanking period recorded parts (b, c) on a (2M+2)-th track turn, where M is a natural number including zero, said (M+1)-th divided audio signal segment containing an audio information in a first half part thereof which extends over four fields of said first video signal, said audio information being indentical to an audio information which is contained in a latter half part of an M-th divided audio signal segment, said latter half part of said M-th divided audio signal segment extending over four fields of said first video signal, said kick existence instructing code and said kick direction instructing code of said track shift address signal having values such that the forced track shift of the reproducing element in the normal reproduction mode occurs in a (2M+1)-th track turn within said third vertical blanking period recorded part (c) in the inner peripheral direction of said rotary recording medium, so that a normal reproduction picture is obtained together with a continuously reproduced audio signal in response to a 2-2 pull-down performed in the reproducing apparatus, a still picture being obtainable in the still picture reproduction mode when the forced track shift of the reproducing element occurs within said first vertical blanking period recorded part in the outer peripheral direction of said rotary recording medium so as to repeately reproduce the same track turn.

Claim 3

The rotary recording medium as claimed in claim 1 in which said movie film has twenty-four pictures per second.

Claim 4

The rotary recording medium as claimed in claim 1 in which said movie film has thirty pictures per second.

Claim 5

The rotary recording medium as claimed in claim 1 in which said track shift address signal further comprises a track number code for indicating the number of times that the same track turn is to be repeatedly reproduced, and said track number code of said track shift address signal has a value such that the forced track shift of the reproducing element in the slow-motion reproduction mode occurs in each track turn within said first vertical blanking period recorded part in the outer peripheral direction of said rotary recording medium, said slow-motion track shift recurring a number of times which is determined by the value of said track number code.

Claim 6

A rotary recording medium which is playable in still-picture, slow-motion and normal reproduction modes on a reproducing apparatus which comprises a reproducing element for reproducing signals from the rotary recording medium, said rotary recording medium comprising: at least one recording surface; a spiral track formed on said recording surface, said spiral track being made up of a plurality of track turns; a first video signal related to a unit which is repeatedly recorded with N field periods in each of said track turns, where N is a natural number which is greater than one, said unit being equal to one field of a second video signal; a track shift address signal recorded in at least one position in each of said track turns with a constant period regardless of whether said unit is one field of the second video signal or one picture of a movie film, said track shift address signal comprising a rotary recording medium discriminating code for indicating a specific track pattern recorded on said rotary recording medium which comprises as recorded signals the first video signal related to the unit which is repeatedly recorded with N field periods in each of said track turns, a kick existence instructing code for indicating the existence of a forced track shift of the reproducing element from one track turn to another track turn, and a kick direction instructing code for indicating the direction of the forced track shift; and divided audio signal segments successively arranged and recorded in accordance with a scanning locus of the reproducing element in the normal reproduction mode of the reproducing apparatus, said divided audio signal segments being obtained by segmenting an audio signal, said rotary recording medium having track parts with said divided audio signal segments recorded on at least a part of said recorded surface, said first video signal being repeatedly recorded for four field periods in each of said track turns, each of said track turns comprising first through fourth vertical blanking period recorded parts (a, b, c, d), each of said vertical blanking periods containing a recorded vertical blanking period of said first video signal, each of said track turns starting from said first vertical blanking period recorded part (a), a (3M+1)-th divided audio signal segment out of said divided audio signal segments extending for four fields of said first video signal beginning with an intermediate point between said fourth and first vertical blanking period recorded parts (d, a) on a (4M+1)-th track turn, where M is a natural number including zero, a (3M+2)-th divided audio signal segment out of said divided audio signal segments extending for four fields of said first video signal beginning with an intermediate point between said fourth and first vertical blanking period recorded parts (d, a) on a (4M+2)-th track turn, a (3M+3)-th divided audio signal segment out of said divided audio signal segments extending for eight fields of said first video signal beginning with an intermediate point between said fourth and first vertical blanking period recorded parts (d, a) on a (4M+3)-th track turn, said (3M+3)-th divided audio signal segment containing in a first half part thereof extending for four fields of said first video signal an audio information which is identical to the audio information contained in each of 3M-th, (3M+1)-th and (3M+2)-th divided audio signal segments, said kick existence instructing code and said kick direction instructing code of said track shift address signal having values such that the forced track shift of the reproducing element in the normal reproduction mode occurs in a (4M+1)-th track turn within said second vertical blanking period recorded part (b) in the inner peripheral direction of said rotary recording medium, a (4M+2)-th track turn within said third vertical blanking period recorded part (c) in said inner peripheral direction and a (4M+3)-th track turn within said fourth vertical blanking period recorded part (d) in said inner peripheral direction, so that a normal reproduction picture is obtained together with a continuous reproduced audio signal.

Claim 7

A rotary recording medium which is playable in still-picture, slow-motion and normal reproduction modes on a reproducing apparatus which comprises a reproducing element for reproducing signals from the rotary recording medium, said rotary recording medium comprising: at least one recording surface; a spiral track formed on said recording surface, said spiral track being made up of a plurality of track turns; a first video signal related to a unit which is repeatedly recorded with N field periods in each of said track turns, where N is a natural number which is greater than one, said unit being equal to one field of a second video signal; a track shift address signal recorded in at least one position in each of said track turns with a constant period regardless of whether said unit is one field of the second video signal or one picture of a movie film, said track shift address signal comprising a rotary recording medium discriminating code for indicating a specific track pattern recorded on said rotary recording medium which comprises as recorded signals the first video signal related to the unit which is repeatedly recorded with N field periods in each of said track turns, a kick existence instructing code for indicating the existence of a forced track shift of the reproducing element from one track turn to another track turn, and a kick direction instructing code for indicating the direction of the forced track shift; and divided audio signal segments successively arranged and recorded in accordance with a scanning locus of the reproducing element in the normal reproduction mode of the reproducing apparatus, said divided audio signal segments being obtained by segmenting an audio signal, said rotary recording medium having track parts with said divided audio signal segments recorded on at least a part of said recorded surface, said first video signal being repeatedly recorded for four field periods in each of said track turns, each of said track turns comprising first through fourth vertical blanking period recorded parts (a, b, c, d), each of said vertical blanking periods containing a recorded vertical blanking period of said first video signal, each of said track turns starting from said first vertical blanking period recorded part (a), a (3M+1)-th divided audio signal segment out of said divided audio signal segments extending for four fields of said first video signal beginning with an intermediate point between said fourth and first vertical blanking period recorded parts (d, a) on a (4M+1)-th track turn, where M is a natural number including zero, a (3M+2)-th divided audio signal segment out of said divided audio signal segments extending for four fields of said first video signal beginning with an intermediate point between said fourth and first vertical blanking period recorded parts (d, a) on a (4M+2)-th track turn, a (3M+3)-th divided audio signal segment out of said divided audio signal segments extending for eight fields of said first video signal beginning with an intermediate point between said fourth and first vertical blanking period recorded parts (d, a) on a (4M+3)-th track turn, said (3M+3)-th divided audio signal segment containing in a first half part thereof extending for four fields of said first video signal an audio information which is identical to the audio information contained in each of 3M-th, (3M+1)-th and (3M+2)-th divided audio signal segments, said kick existence instructing code and said kick direction instructing code of said track shift address signal having values such that the forced track shift of the reproducing element in the normal reproduction mode occurs in a (4M+1)-th track turn within said second vertical blanking period recorded part (b) in the inner peripheral direction of said rotary recording medium, a (4M+2)-th track turn within said third vertical blanking period recorded part (c) in said inner peripheral direction and a (4M+3)-th track turn within said fourth vertical blanking period recorded part (d) in said inner peripheral direction, so that a normal reproduction picture is obtained together with a continuous reproduced audio signal.

Claim 8

The rotary recording medium as claimed in claim 5 in which said track shift address signal further comprises a track number code for indicating the number of times the same track turn is to be repeatedly reproduced, and said track number code of said track shift address signal has a value such that the forced track shift of the reproducing element in the slow-motion reproduction mode occurs in each track turn within said first vertical blanking period recorded part in the outer peripheral direction of said rotary recording medium for a number of times which is determined by the value of said track number code.

Claim 9

A rotary recording medium which is playable in still-picture, slow-motion and normal reproduction modes on a reproducing apparatus which comprises a reproducing element for reproducing signals from the rotary recording medium, said rotary recording medium comprising: at least one recording surface; a spiral track formed on said recording surface, said spiral track being made up of a plurality of track turns; a first video signal related to a unit which is repeatedly recorded with N field periods in each of said track turns, where N is a natural number which is greater than one, said unit being equal to one picture of a movie film; a track shift address signal recorded in at least one position in each of said track turns with a constant period regardless of whether said unit is one field of the second video signal or one picture of the movie film, said track shift address signal comprising a rotary recording medium discriminating code for indicating a specific track pattern recorded on said rotary recording medium which comprises as recorded signals the first video signal related to the unit which is repeatedly recorded with N field periods in each of said track turns, a kick existence instructing code for indicating the existence of a forced track shift of the reproducing element from one track turn to another track turn, and a kick direction instructing code for indicating the direction of the forced track shift; and divided audio signal segments successively arranged and recorded in accordance with a scanning locus of the reproducing element in the normal reproduction mode of the reproducing apparatus, said divided audio signal segments being obtained by segmenting an audio signal, said rotary recording medium having track parts with said divided audio signal segments recorded on at least a part of said recording surface, said first video signal being repeatedly recorded with four field periods in each of said track turns, said movie film having twenty-four pictures per second, each of said track turns comprising first through fourth vertical blanking period recorded parts (a, b, c, d), each of said vertical blanking period containing a recorded vertical blanking period of said first video signal, each of said track turns starting from said first vertical blanking period recorded part (a), a (3M+1)-th divided audio signal segment out of said divided audio signal segments extending over nine fields of said video signal beginning with an intermediate point between said second and third vertical blanking period recorded parts (b, c) on a (8M+2)-th track turn, where M is a natural number including zero, a (3M+2)-th divided audio signal segment out of said divided audio signal segments extending over eleven fields of said first video signal beginning with an intermediate point between said third and fourth vertical blanking period recorded parts (c, d) on a (8M+4)-th track turn, a (3M+3)-th divided audio signal segment out of said divided audio signal segments extending for twelve fields of said first video signal beginning with an intermediate point between said second and third vertical blanking period recorded parts (b, c) on a (8M+7)-th track turn, each of said divided audio signal segments containing in a first part thereof extending over four fields of said first video signal an audio information identical to the audio information contained in a last part of an immediately preceding divided audio signal segment, which last part of said immediately preceding divided audio signal segment extending over four fields of said first video signal, said kick existence instructing code and said kick direction instructing code of said track shift address signal having values such that the forced track shift of the reproducing element in the normal reproduction mode occurs within said second through fourth vertical blanking period recorded parts (b, c, d) in selected track turns in the inner peripheral direction of said rotary recording medium and within said first vertical blanking period recorded part (a) in selected track turns in the outer peripheral direction of said rotary recording medium, so that a normal reproduction picture is obtained together with a continuous reproduced audio signal by a 2-3 pull-down performed in the reproducing apparatus.

Claim 10

A rotary recording medium which is playable in still-picture, slow-motion and normal reproduction modes on a reproducing apparatus which comprises a reproducing element for reproducing signals from the rotary recording medium, said rotary recording medium comprising: at least one recording surface; a spiral track formed on said recording surface, said spiral track being made up of a plurality of track turns; a first video signal related to a unit which is repeatedly recorded with N field periods in each of said track turns, where N is a natural number which is greater than one, said unit being equal to one picture of a movie film; a track shift address signal recorded in at least one position in each of said track turns with a constant period regardless of whether said unit is one field of the second video signal or one picture of the movie film, said track shift address signal comprising a rotary recording medium discriminating code for indicating a specific track pattern recorded on said rotary recording medium which comprises as recorded signals the first video signal related to the unit which is repeatedly recorded with N field periods in each of said track turns, a kick existence instructing code for indicating the existence of a forced track shift of the reproducing element from one track turn to another track turn, and a kick direction instructing code for indicating the direction of the forced track shift; and divided audio signal segments successively arranged and recorded in accordance with a scanning locus of the reproducing element in the normal reproduction mode of the reproducing apparatus, said divided audio signal segments being obtained by segmenting an audio signal, said rotary recording medium having track parts with said divided audio signal segments recorded on at least a part of said recording surface, said first video signal being repeatedly recorded with four field periods in each of said track turns, said movie film having twenty-four pictures per second, each of said track turns comprising first through fourth vertical blanking period recorded parts (a, b, c, d), each of said vertical blanking period containing a recorded vertical blanking period of said first video signal, each of said track turns starting from said first vertical blanking period recorded part (a), a (3M+1)-th divided audio signal segment out of said divided audio signal segments extending over nine fields of said video signal beginning with an intermediate point between said second and third vertical blanking period recorded parts (b, c) on a (8M+2)-th track turn, where M is a natural number including zero, a (3M+2)-th divided audio signal segment out of said divided audio signal segments extending over eleven fields of said first video signal beginning with an intermediate point between said third and fourth vertical blanking period recorded parts (c, d) on a (8M+4)-th track turn, a (3M+3)-th divided audio signal segment out of said divided audio signal segments extending for twelve fields of said first video signal beginning with an intermediate point between said second and third vertical blanking period recorded parts (b, c) on a (8M+7)-th track turn, each of said divided audio signal segments containing in a first part thereof extending over four fields of said first video signal an audio information identical to the audio information contained in a last part of an immediately preceding divided audio signal segment, which last part of said immediately preceding divided audio signal segment extending over four fields of said first video signal, said kick existence instructing code and said kick direction instructing code of said track shift address signal having values such that the forced track shift of the reproducing element in the normal reproduction mode occurs within said second through fourth vertical blanking period recorded parts (b, c, d) in selected track turns in the inner peripheral direction of said rotary recording medium and within said first vertical blanking period recorded part (a) in selected track turns in the outer peripheral direction of said rotary recording medium, so that a normal reproduction picture is obtained together with a continuous reproduced audio signal by a 2-3 pull-down performed in the reproducing apparatus.

Claim 11

The rotary recording medium as claimed in claim 7 in which said track shift address signal further comprises a track number code for indicating the number of times that the same track turn is to be repeatedly reproduced, and said track number code of said track shift address signal has a value such that the forced track shift of the reproducing element in the slow-motion reproduction mode occurs in each track turn within said first vertical blanking period recorded part in the outer peripheral direction of said rotary recording medium for a number of times determined by the value of said track number code.