US5606427A — Video device for recording a high definition stil…

Claim 1

Independent Claim 208 words

A still video device in which high definition image signals are recorded on concentric tracks of a recording disk, said still video device comprising: means for dividing a high definition image signal corresponding to one frame into a plurality of parts by at least one dividing line that is substantially perpendicular to horizontal scanning lines of said high definition image signal, said one frame comprising a first field and a second field; means for recording said plurality of parts on separate tracks of said recording disk; means for adding a distinct reference signal to each of said plurality of parts when said recording means records said plurality of parts on said recording disk; and means for reproducing said plurality of parts, said plurality of divided parts being combined by said reproducing means in such a manner that horizontal scanning lines, corresponding to each of said plurality of parts included in a same field, are connected to each other to re-create said high definition image signal, said reproducing means comprising: means for detecting an amplitude of said distinct reference signal; and means for adjusting an amplitude of each of said plurality of parts to a same predetermined level in accordance with said detected amplitude of said distinct reference signal.

Claim 2

Dependent Claim 208 words

A still video device in which high definition image signals are recorded on concentric tracks of a recording disk, said still video device comprising: means for dividing a high definition image signal corresponding to one frame into a plurality of parts by at least one dividing line that is substantially perpendicular to horizontal scanning lines of said high definition image signal, said one frame comprising a first field and a second field; means for recording said plurality of parts on separate tracks of said recording disk; means for adding a distinct reference signal to each of said plurality of parts when said recording means records said plurality of parts on said recording disk; and means for reproducing said plurality of parts, said plurality of divided parts being combined by said reproducing means in such a manner that horizontal scanning lines, corresponding to each of said plurality of parts included in a same field, are connected to each other to re-create said high definition image signal, said reproducing means comprising: means for detecting an amplitude of said distinct reference signal; and means for adjusting an amplitude of each of said plurality of parts to a same predetermined level in accordance with said detected amplitude of said distinct reference signal.

Claim 3

Dependent Claim 53 words

The still video device of claim 1, wherein said frame is divided into four parts by a first line that extends in a vertical direction and which passes through a center of said frame, and a second line that extends in a horizontal direction and which passes through said center of said frame.

Claim 4

Dependent Claim 26 words

The still video device of claim 1, wherein said recording means records said plurality of parts to a plurality of recording areas of said recording disk.

Claim 5

Dependent Claim 24 words

The still video device of claim 1, wherein said recording means records said plurality of parts to one recording area of said recording disk.

Claim 6

Dependent Claim 63 words

The still video device of claim 1, further comprising means for time-expanding said plurality of parts to change a bandwidth of said plurality of parts to a bandwidth in which said plurality of parts can be recorded on said recording disk, said high definition image signal of said first field and said second field being recorded on separate tracks of said recording disk.

Claim 7

Dependent Claim 35 words

The still video device of claim 5, wherein information necessary for dividing said image signals and time-expanding said image signals is stored on a portion of said recording disk in which ID codes are recorded.

Claim 8

Dependent Claim 25 words

The still video device of claim 1, further comprising means for reproducing said image signals recorded to said recording disk, while time-compressing said image signals.

Claim 9

Dependent Claim 36 words

The still video device of claim 7, wherein information necessary for reproducing said plurality of parts of said divided image signals is stored in a portion of said recording disk in which ID codes are recorded.

Claim 10

Dependent Claim 25 words

The still video device of claim 1, wherein said recording means subsamples said image signals and records said subsampled image signals to said recording disk.

Claim 11

Dependent Claim 29 words

The still video device of claim 9, further comprising means for reproducing said subsampled image signals recorded to said recording disk, while time-compressing and interpolating said subsampled image signals.

Claim 12

Dependent Claim 70 words

The still video device of claim 1, wherein a first synchronizing signal is provided at a beginning of each of said divided image signals, said still video device further comprising means for adding a second synchronizing signal to each of said divided image signals, said recording means recording said divided image signals together with said first and second synchronizing signals to said recording disk, based on said second synchronizing signal.

Claim 13

Dependent Claim 29 words

The still video device of claim 11, wherein said adding means adds said second synchronizing signal in front of said first synchronizing signal of each of said image signals.

Claim 14

Dependent Claim 33 words

The still video device of claim 11, further comprising means for delaying said image signals so that said adding means adds said second synchronizing signal in front of each of said image signals.

Claim 15

Dependent Claim 59 words

The still video device of claim 11, further comprising means for reproducing said first synchronizing signal, said second synchronizing signal and said image signals recorded to said recording disk, means for separating said first synchronizing signal from signals reproduced by said reproducing means, and means for processing said image signals to be reproduced based on said first synchronizing signal.

Claim 16

Dependent Claim 31 words

The video device of claim 11, wherein said first synchronizing signal is formed according to a NTSC mode, and said second synchronizing signal is formed according to a high definition mode.

Claim 17

Dependent Claim 31 words

The still video device of claim 1, wherein said reference signal is provided between each of said image signals and a synchronizing signal positioned behind said each of said image signals.

Claim 18

Dependent Claim 15 words

The still video device of claim 1, wherein said reference signal comprises a square-wave signal.

Claim 19

Dependent Claim 19 words

The still video device of claim 1, wherein said reference signal comprises a burst signal having a predetermined frequency.

Claim 20

Dependent Claim 39 words

The still video device of claim 18, wherein a ratio of said frequency of said reference signal and a sampling clock frequency signal used for recording said image signals to said recording disk comprises a fraction of an integer.

Claim 21

Dependent Claim 30 words

The still video device of claim 18, wherein said reference signal is envelope-detected prior to said adjustment of an amplitude of said reference signal when said image signals are reproduced.

Claim 22

Dependent Claim 30 words

The still video device of claim 18, wherein said reference signal is generated based on a sampling signal that is used for recording said image signals on said recording disk.

Claim 23

Dependent Claim 29 words

The still video device of claim 18, further comprising means for generating a sampling clock signal that is used for reproducing said image signals based upon said reference signal.

Claim 24

Dependent Claim 21 words

The still video device of claim 1, wherein said reproducing means eliminates joins in a reproduced image of said one frame.

Claim 25

Dependent Claim 49 words

The still video device of claim 1, wherein said dividing means comprises means for dividing said one frame into four parts, said recording means recording image signals corresponding to said first field and said second field of each of said four parts on adjacent tracks of said recording disk.

Claim 26

Dependent Claim 46 words

The still video device of claim 1, wherein said dividing means comprises means for dividing said one frame into two parts, said recording means recording image signals corresponding to said one of said first field and said second field on adjacent tracks of said recording disk.

Claim 27

Dependent Claim 18 words

The still video device of claim 1, wherein said same predetermined level corresponds to a preselected amplitude level.

Claim 28

Dependent Claim 20 words

The still video device of claim 1, wherein said same predetermined level corresponds to a level of approximately 40 IRE.

Claim 29

Dependent Claim 194 words

A still video device in which image signals are recorded on concentric tracks of a recording disk, said still video device comprising: means for dividing a frame of a high definition image signal, comprising a first field and a second field, into a plurality of parts by at least one dividing line that is substantially perpendicular to horizontal scanning lines of said high definition image signal; means for adding a distinct reference signal to each of said plurality of parts, said distinct reference signal establishing an amplitude level for each of said plurality of parts; means for recording said plurality of parts on separate tracks of said recording disk; and means for reproducing said plurality of parts, said plurality of parts being combined by said reproducing means in such a manner that horizontal scanning lines, corresponding to each of said plurality of parts included in a same field, are connected to each other to re-create said high definition image signal, said distinct reference signal being detected by said reproducing means so as to adjust an amplitude of each of said plurality of parts to eliminate join lines in said re-created high definition image signal.

Claim 30

Dependent Claim 194 words

A still video device in which image signals are recorded on concentric tracks of a recording disk, said still video device comprising: means for dividing a frame of a high definition image signal, comprising a first field and a second field, into a plurality of parts by at least one dividing line that is substantially perpendicular to horizontal scanning lines of said high definition image signal; means for adding a distinct reference signal to each of said plurality of parts, said distinct reference signal establishing an amplitude level for each of said plurality of parts; means for recording said plurality of parts on separate tracks of said recording disk; and means for reproducing said plurality of parts, said plurality of parts being combined by said reproducing means in such a manner that horizontal scanning lines, corresponding to each of said plurality of parts included in a same field, are connected to each other to re-create said high definition image signal, said distinct reference signal being detected by said reproducing means so as to adjust an amplitude of each of said plurality of parts to eliminate join lines in said re-created high definition image signal.

Claim 31

Dependent Claim 31 words

The still video device of claim 28, wherein said distinct reference signal is used to set an amplitude of each of said combined plurality of parts to a predetermined amplitude level.

Claim 32

Dependent Claim 19 words

The still video device of claim 29, wherein said predetermined amplitude level comprises an amplitude of approximately 40 IRE.

Claim 33

Dependent Claim 26 words

The still video device of claim 28, wherein said recording means records said plurality of parts to a plurality of recording areas of said recording disk.

Claim 34

Dependent Claim 21 words

The still video device of claim 28, further comprising means for time-compressing said image signals when said image signals are reproduced.

Claim 35

Dependent Claim 167 words

A video device in which high definition image signals, comprising a first field and a second field, divided into a plurality of parts by at least one dividing line that is substantially perpendicular to horizontal scanning lines of said high definition image signal and recorded to a recording disk, are reproduced, a distinct reference signal being superimposed upon each of said plurality of parts when said plurality of parts are recorded to said recording disk, said video device comprising: means for reproducing said plurality of parts recorded to said recording disk; means for combining said plurality of parts in such a manner that horizontal scanning lines, corresponding to each of said plurality of parts included in a same field, are connected to each other to re-create said high definition image signal; and means for adjusting a reproduced level of said reference signal associated with each of said plurality of parts to have a predetermined value so that said re-created high definition image signal has no visible joins.

Claim 36

Dependent Claim 167 words

A video device in which high definition image signals, comprising a first field and a second field, divided into a plurality of parts by at least one dividing line that is substantially perpendicular to horizontal scanning lines of said high definition image signal and recorded to a recording disk, are reproduced, a distinct reference signal being superimposed upon each of said plurality of parts when said plurality of parts are recorded to said recording disk, said video device comprising: means for reproducing said plurality of parts recorded to said recording disk; means for combining said plurality of parts in such a manner that horizontal scanning lines, corresponding to each of said plurality of parts included in a same field, are connected to each other to re-create said high definition image signal; and means for adjusting a reproduced level of said reference signal associated with each of said plurality of parts to have a predetermined value so that said re-created high definition image signal has no visible joins.

Claim 37

Dependent Claim 18 words

The video device of claim 33, wherein said predetermined value comprises a level substantially equal to 40 IRE.

Claim 38

Dependent Claim 15 words

The video device of claim 33, wherein said video device comprises a still video camera.

Claim 39

Dependent Claim 16 words

The video device of claim 33, further comprising means for time-compressing said reproduced plurality of parts.

Claim 40

Dependent Claim 14 words

The video device of claim 33, wherein said reference signal comprises a square-wave signal.

Claim 41

Dependent Claim 18 words

The video device of claim 33, wherein said reference signal comprises a burst signal having a predetermined frequency.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2000-02-25	2000-08-26	2001-02-25	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2004-02-25	2004-08-26	2005-02-25	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2008-02-25	2008-08-26	2009-02-25	$7700.00	Window Closed / Lapsed

Video device for recording a high definition still image

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