A television apparatus using non-interlaced scanning format

Claim 2

Television apparatus for generating from an incoming television signal first and second luminance output signals that are capable of providing picture information for display in a first plurality and in a different second plurality of display lines, respectively, of a non-interlaced television display, to form a picture frame, comprising: an input for receiving said incoming television signal; delay means (400,400') coupled to said input for delaying said incoming television signal by substantially one field period and by one frame period, respectively to produce field (V fd and frame (Vfr) delayed television signals, respectively; means (405) responsive to said incoming television signal and said frame delayed television signal (V fr ) to produce a first luminance video signal (Y fr ) containing a luminance component derived from said incoming frame delayed television signals; means (404') responsive to said field delayed television signal (V fd ) for producing a second luminance video signal (Y fd ) containing a luminance component derived from said field delayed television signal; means (412,416) for combining said first (Y fr ) and second luminance (Y fd ) video signals to produce said first luminance output signal (Y m ); and means (414,415) responsive to said second luminance video (Y fd ) signal for generating said second luminance output signal (Y fd ) therefrom.

Claim 3

Television apparatus as recited in Claim 1 further comprising, means (403', 413) for extracting a picture detail signal from said field delayed television signal (V fd ) wherein said generating means (414,415) is responsive to said picture detail signal for producing said second luminance output signal containing restored picture details.

Claim 4

Television apparatus as recited in Claim 1 or 2, wherein said delay means (400,400 ' ) includes first and second intermediate output taps spaced apart by a delay (401') of one video line time, and wherein said second luminance signal producing means (406') comprises means (402') for summing the signals at said first and second output taps to form said second luminance video signal ( Y ' fd ).

Claim 5

Television apparatus as recited in claim 1, 2 or 3 further comprising, means (406) for combining said incoming television signal and said frame delayed television signal (V fr ) to produce the difference (412'b) thereof and means (407) for producing from said difference signal a motion indicative signal (207) and wherein said combining means (412) combines said first and second luminance video signals in dependence upon said motion indicative signal.

Claim 6

Television apparatus as recited in Claim 4 wherein said motion indicative signal assumes a preset level when said television signal manifests a non- Stationary picture scene.

Claim 7

Television apparatus as recited in Claim 4, wherein the combining means proportionally combines the said first and second luminance signals in accordance with the motion indicative signal.

Claim 8

Television apparatus as recited in Claim 6, wherein the contribution of said second luminance video signal in the combined first and second luminance video signals is directly proportional to the amplitude of said motion indicative signal.

Claim 9

Television apparatus as recited in any preceding claim for use wherein the incoming television signal is a composite color television signal and further comprising, means (412', 421, 417) responsive to said difference signal (412'b) for producing therefrom first I and second Q color output signals.

Claim 10

Television apparatus as recited in claim 8 when appended to claim 4 wherein there are means (403') responsive to the field delayed televisision signal for producing a field delayed chrominance signal and Paid first and second color output signals producing means further comprises means (412') for combining said field delayed chrominance and difference signals in dependence upon the motion indicative signal.

Claim 11

Television apparatus as recited in claim 9 wherein said field delayed difference signals combining means is responsive to said motion indicative signal for proportionally combining the said field delayed chrominance signal and the said difference signal.

Claim 12

Television apparatus as recited in Claim 8 when appended to Claim 4, 9 or 10, wherein said motion indicative signal producing means (406,407) comprises a low pass filter (407) for producing a signal from said difference signal such that chrominance components of said television signal are attenuated and means (407, 408) for producing said motion indicative signal from said signal produced by said low pass filter such that the amplitude of said motion indicative signal is directly related to the amplitude of said signal that is produced by said low pass filter.

Claim 13

A television apparatus for displaying in a non-interlaced television display the picture information of an incoming interlaced television signal containing a luminance component comprising: a first field delay (400) for delaying said incoming television signal by substantially one field period; means (404') responsive to the signal at the output of said first field delay (400) for producing therefrom a first luminance signalthe luminance of each video line of which is estimated from a pair of video lines of the signal at the output of said first field delay; a second field delay (400') responsive to the television signal at the output of said first field delay (400) for delaying said incoming television signal by a further field period to produce a frame delayed television signal; means responsive to the television signal at the output of said second field delay for producing a second luminance signal that contains substantially the luminance component of the television signal at the output of said second field delay; Claim 12 Continued means (406) responsive to said incoming and frame delayed television signals for producing a motion indicative signal; means (412) responsive to said motion indicative signal for combining said first and second luminance signals to form a third luminance signal in accordance with said motion indicative signal; and means (Fig 4) for displaying in progressively scanned manner the picture information of video lines of said first and third luminance signals.

Claim 14

Television apparatus as recited in Claim 12 further comprising means (403,413) for producing a picture detail signal (y vd ) from the signal at the output of said first field delay, the detail signal containing picture detail missing from said first luminance signal, and means (414) for reinserting the missing picture detail into said first luminance signal.

Claim 15

Television apparatus as recited in Claim 12 or 13 wherein said combining means comprises means (409, 411, 410) for adding said first and second luminance signals such that the respective proportions of said first and second luminance signals that are added therein are controlled by said motion indicative signal.

Claim 16

Television apparatus as recited in Claim 12 or 13 wherein said motion indicative signal causes said third luminance signal to contain the picture information of only one of said first and second signals in accordance with the presence and absence of motion in the picture, respectively.

Claim 17

Television apparatus as recited in Claim 11 which is for displaying in a non-interlaced television display the picture information of an incoming television signal containing luminance and chrominance components, and further comprising means (401',403') responsive to the signal at the output of said first field delay (400) for separating a chrominance signal (c fd ) from the television signal.

Claim 18

Television apparatus as recited in Claim 16 wherein said motion signal indicative producing means additionally produces a further chrominance signal which contains substantially the chrominance information of said frame delayed signal and further comprising means (412') responsive to said motion indicative signal for combining said first-mentioned and further chrominance signals in dependence upon said motion indicative signal to produce a combined chrominance signal .

Claim 19

Television apparatus as recited in Claim 17, wherein the combining means proportionally combines the first-mentioned and further chrominance signals in accordance with the motion indicative signal to produce the combined chrominance signal.

Claim 20

Television apparatus as recited in Claim 17, wherein the motion indicative signal causes the combined chrominance signal to contain only one of the first-mentioned and further chrominance signals in accordance with presence and absence of motion in the picture.

Claim 21

Television apparatus as recited in Claims 17, 18 or 19 further comprising means (421, 417) for separating at least a first chrominance component (I or Q) from said combined chrominance signal (c) and means Claim 20 Continued (419,420) for interpolating from a pair of video lines of said separated chrominance component, a second interpolated chrominance component (Ib or Qb), wherein the said displaying means is arranged to display in progressively scanned manner the picture information of the said first and second chrominance components.