Apparatus for reproducing color video signal recorded by TCI signal format

Claim 1

An apparatus for reproducing a color video signal recorded in a recording medium by a time compressed integration signal format in a luminance signal, one of two types of chrominance signals beings selected by a predetermined rule in every horizontal scanning period, and a chrominance index signal representing the type of the selected one of chrominance signals are multiplexed along a time base, comprising: at least two cascade-connected delay means, each having one horizontal scanning period delay time, for delaying at least the chrominance signal in a signal reproduced from the recording medium; extracting means for extracting, from the reproduced signal, the chrominance index signal actually appearing in the reproduced signal; at least two cascade-connected latch means, connected to said extracting means, for holding extracted the chrominance index signal corresponding to output signals from said delay means; identifying means for identifying the type of chrominance signal desired to appear in each horizontal scanning period of the reproduced signal; and selecting means for selecting one of the reproduced signal and the output signals from said delay means in response to a combination of an output signal from said identifying means and output signals from said latch means so as to cause the identified type of chrominance signal to appear in the horizontal scanning period of the selected output signal.

Claim 2

An apparatus for reproducing a color video signal recorded in a recording medium by a time compressed integration signal format in a luminance signal, one of two types of chrominance signals beings selected by a predetermined rule in every horizontal scanning period, and a chrominance index signal representing the type of the selected one of chrominance signals are multiplexed along a time base, comprising: at least two cascade-connected delay means, each having one horizontal scanning period delay time, for delaying at least the chrominance signal in a signal reproduced from the recording medium; extracting means for extracting, from the reproduced signal, the chrominance index signal actually appearing in the reproduced signal; at least two cascade-connected latch means, connected to said extracting means, for holding extracted the chrominance index signal corresponding to output signals from said delay means; identifying means for identifying the type of chrominance signal desired to appear in each horizontal scanning period of the reproduced signal; and selecting means for selecting one of the reproduced signal and the output signals from said delay means in response to a combination of an output signal from said identifying means and output signals from said latch means so as to cause the identified type of chrominance signal to appear in the horizontal scanning period of the selected output signal.

Claim 6

An apparatus for reproducing a color video signal recorded in a recording medium by a time compressed integration signal format in a luminance signal, one of two types of chrominance signals being selected by a predetermined rule in every horizontal scanning period, and a chrominance index signal representing the type of the selected one of chrominance signals are multiplexed along a time base, comprising: at least two first cascade-connected delay means, each having one horizontal scanning period delay time for delaying at least the chrominance signal in a signal reproduced from the recording medium; extracting means for extracting, from the reproduced signal, the chrominance index signal actually appearing in the reproduced signal; at least two cascade-connected latch means, connected to said extracting means, for holding extracted the chrominance index signals corresponding to output signals from said first delay circuits; identifying means for identifying the type of chrominance signal desired to appear in each horizontal scanning period of the reproduced signal; first selecting means for selecting one of the reproduced signal and the output signals from said first delay means in response to a combination of an output signal from said identifying means and output signals from said latch means so as to cause the identified type of chrominance signal to appear in the horizontal scanning period of the selected output signal; second delay means for delaying an output signal from said first selecting means by a predetermined time of at least two horizontal scanning periods; and second selecting means for selecting an output signal from said second delay means when all types of chrominance signals in the reproduced signal and the chrominance signals output from said first delay means do not coincide with the type identified by said identifying means, and, otherwise, for selecting an output signal from said first selecting means.

Claim 7

An apparatus for reproducing a color video signal recorded in a recording medium by a time compressed integration signal format in a luminance signal, one of two types of chrominance signals being selected by a predetermined rule in every horizontal scanning period, and a chrominance index signal representing the type of the selected one of chrominance signals are multiplexed along a time base, comprising: at least two first cascade-connected delay means, each having one horizontal scanning period delay time for delaying at least the chrominance signal in a signal reproduced from the recording medium; extracting means for extracting, from the reproduced signal, the chrominance index signal actually appearing in the reproduced signal; at least two cascade-connected latch means, connected to said extracting means, for holding extracted the chrominance index signals corresponding to output signals from said first delay circuits; identifying means for identifying the type of chrominance signal desired to appear in each horizontal scanning period of the reproduced signal; first selecting means for selecting one of the reproduced signal and the output signals from said first delay means in response to a combination of an output signal from said identifying means and output signals from said latch means so as to cause the identified type of chrominance signal to appear in the horizontal scanning period of the selected output signal; second delay means for delaying an output signal from said first selecting means by a predetermined time of at least two horizontal scanning periods; and second selecting means for selecting an output signal from said second delay means when all types of chrominance signals in the reproduced signal and the chrominance signals output from said first delay means do not coincide with the type identified by said identifying means, and, otherwise, for selecting an output signal from said first selecting means.

Claim 11

An apparatus for reproducing a color video signal recorded in a recording medium by a time compressed integration signal format in a luminance signal, one of two types of chrominance signals being selected by a predetermined rule in every horizontal scanning period, and a chrominance index signal representing the type of the selected one of chrominance signals are multiplexed along a time base, comprising: storage means for storing at least one field of a signal reproduced from the recording medium; means for writing the reproduced signal in said storage means; write address correcting means for performing correction for shifting a write address of a chrominance signal in the reproduced signal of one of odd and even fields from a write address of a chrominance signal in the reproduced signal of the other field by a predetermined amount when the reproduced signal is written in the storage means; means for reading out the reproduced signal from the storage means; and read address correcting means for performing correction for shifting a read address of a chrominance signal in the reproduced signal of one of the odd and even fields from a read address of a chrominance signal of the reproduced signal of the other field by a predetermined amount when the reproduced signal is read out from the storage means; wherein said write address correcting means comprises: frequency-dividing means, reset in response to a vertical sync signal in the reproduced signal, for frequency-dividing a horizontal sync signal and generating a signal for identifying the type of chrominance signal desired to appear in each horizontal scanning period of the reproduced signal; means for determining a coincidence/noncoincidence between the type of chrominance signal identified by an output signal from said frequency-dividing means and the type of chrominance signal designated by the chrominance index signal in the reproduced signal; and means for shifting the write address of the chrominance signal in the reproduced signal of said one field from the write address of the chrominance signal of the reproduced signal of said other field by the predetermined amount when said determining means determines the noncoincidence.

Claim 12

An apparatus for reproducing a color video signal recorded in a recording medium by a time compressed integration signal format in a luminance signal, one of two types of chrominance signals being selected by a predetermined rule in every horizontal scanning period, and a chrominance index signal representing the type of the selected one of chrominance signals are multiplexed along a time base, comprising: storage means for storing at least one field of a signal reproduced from the recording medium; means for writing the reproduced signal in said storage means; write address correcting means for performing correction for shifting a write address of a chrominance signal in the reproduced signal of one of odd and even fields from a write address of a chrominance signal in the reproduced signal of the other field by a predetermined amount when the reproduced signal is written in the storage means; means for reading out the reproduced signal from the storage means; and read address correcting means for performing correction for shifting a read address of a chrominance signal in the reproduced signal of one of the odd and even fields from a read address of a chrominance signal of the reproduced signal of the other field by a predetermined amount when the reproduced signal is read out from the storage means; wherein said write address correcting means comprises: frequency-dividing means, reset in response to a vertical sync signal in the reproduced signal, for frequency-dividing a horizontal sync signal and generating a signal for identifying the type of chrominance signal desired to appear in each horizontal scanning period of the reproduced signal; means for determining a coincidence/noncoincidence between the type of chrominance signal identified by an output signal from said frequency-dividing means and the type of chrominance signal designated by the chrominance index signal in the reproduced signal; and means for shifting the write address of the chrominance signal in the reproduced signal of said one field from the write address of the chrominance signal of the reproduced signal of said other field by the predetermined amount when said determining means determines the noncoincidence.

Claim 16

An apparatus for reproducing a color video signal recorded in a recording medium by a time compressed integration signal format in a luminance signal, one of two types of chrominance signals being selected by a predetermined rule in every horizontal scanning period, and a chrominance index signal representing the type of the selected one of chrominance signals are multiplexed along a time base, comprising: identifying means for identifying a type of chrominance signal desired to appear during each horizontal scanning period of a signal reproduced from the recording medium; determining means for determining a coincidence/noncoincidence between a type of chrominance signal of the reproduced signal which is represented by the chrominance index signal and the type of chrominance signal identified by said identifying means; and means for correcting the chrominance signal in the reproduced signal so as to obtain the type of chrominance signal identified by said identifying means during each horizontal scanning period of the corrected chrominance signal when said determining means determines the noncoincidence.

Claim 17

An apparatus for reproducing a color video signal recorded in a recording medium by a time compressed integration signal format in a luminance signal, one of two types of chrominance signals being selected by a predetermined rule in every horizontal scanning period, and a chrominance index signal representing the type of the selected one of chrominance signals are multiplexed along a time base, comprising: identifying means for identifying a type of chrominance signal desired to appear during each horizontal scanning period of a signal reproduced from the recording medium; determining means for determining a coincidence/noncoincidence between a type of chrominance signal of the reproduced signal which is represented by the chrominance index signal and the type of chrominance signal identified by said identifying means; and means for correcting the chrominance signal in the reproduced signal so as to obtain the type of chrominance signal identified by said identifying means during each horizontal scanning period of the corrected chrominance signal when said determining means determines the noncoincidence.